[libvirt] [PATCH] util: avoid symbol clash between json libraries
The jansson and json-glib libraries both export symbols with a json_ name prefix and json_object_iter_next() clashes between them. Unfortunately json_glib is linked in by GTK, so any app using GTK and libvirt will get a clash, resulting in SEGV. This also affects the NSS module provided by libvirt Instead of directly linking to jansson, use dlopen() with the RTLD_LOCAL flag which allows us to hide the symbols from the application that loads libvirt or the NSS module. Some preprocessor black magic and wrapper functions are used to redirect calls into the dlopen resolved symbols. Signed-off-by: Daniel P. Berrangé <berrange@redhat.com> --- libvirt.spec.in | 2 + src/Makefile.am | 3 + src/util/Makefile.inc.am | 3 +- src/util/virjson.c | 9 +- src/util/virjsoncompat.c | 253 +++++++++++++++++++++++++++++++++++++++ src/util/virjsoncompat.h | 86 +++++++++++++ 6 files changed, 354 insertions(+), 2 deletions(-) create mode 100644 src/util/virjsoncompat.c create mode 100644 src/util/virjsoncompat.h diff --git a/libvirt.spec.in b/libvirt.spec.in index 4113579e47..cfe7ab8a09 100644 --- a/libvirt.spec.in +++ b/libvirt.spec.in @@ -898,6 +898,8 @@ Requires: ncurses Requires: gettext # Needed by virt-pki-validate script. Requires: gnutls-utils +# We dlopen() it so need an explicit dep +Requires: libjansson.so.4()(64bit) %if %{with_bash_completion} Requires: %{name}-bash-completion = %{version}-%{release} %endif diff --git a/src/Makefile.am b/src/Makefile.am index 83263e69e5..59ae7a2e79 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -690,6 +690,7 @@ libvirt_setuid_rpc_client_la_SOURCES = \ util/virhashcode.c \ util/virhostcpu.c \ util/virjson.c \ + util/virjsoncompat.c \ util/virlog.c \ util/virobject.c \ util/virpidfile.c \ @@ -961,6 +962,8 @@ libvirt_nss_la_SOURCES = \ util/virhashcode.h \ util/virjson.c \ util/virjson.h \ + util/virjsoncompat.c \ + util/virjsoncompat.h \ util/virkmod.c \ util/virkmod.h \ util/virlease.c \ diff --git a/src/util/Makefile.inc.am b/src/util/Makefile.inc.am index 71b2b93c2d..8ef9ee1dfa 100644 --- a/src/util/Makefile.inc.am +++ b/src/util/Makefile.inc.am @@ -86,6 +86,8 @@ UTIL_SOURCES = \ util/viriscsi.h \ util/virjson.c \ util/virjson.h \ + util/virjsoncompat.c \ + util/virjsoncompat.h \ util/virkeycode.c \ util/virkeycode.h \ util/virkeyfile.c \ @@ -264,7 +266,6 @@ libvirt_util_la_CFLAGS = \ $(NULL) libvirt_util_la_LIBADD = \ $(CAPNG_LIBS) \ - $(JANSSON_LIBS) \ $(LIBNL_LIBS) \ $(THREAD_LIBS) \ $(AUDIT_LIBS) \ diff --git a/src/util/virjson.c b/src/util/virjson.c index 01a387b2f7..5bab662cd3 100644 --- a/src/util/virjson.c +++ b/src/util/virjson.c @@ -1437,7 +1437,8 @@ virJSONValueCopy(const virJSONValue *in) #if WITH_JANSSON -# include <jansson.h> + +# include "virjsoncompat.h" static virJSONValuePtr virJSONValueFromJansson(json_t *json) @@ -1524,6 +1525,9 @@ virJSONValueFromString(const char *jsonstring) size_t flags = JSON_REJECT_DUPLICATES | JSON_DECODE_ANY; + if (virJSONInitialize() < 0) + return NULL; + if (!(json = json_loads(jsonstring, flags, &error))) { virReportError(VIR_ERR_INTERNAL_ERROR, _("failed to parse JSON %d:%d: %s"), @@ -1630,6 +1634,9 @@ virJSONValueToString(virJSONValuePtr object, json_t *json; char *str = NULL; + if (virJSONInitialize() < 0) + return NULL; + if (pretty) flags |= JSON_INDENT(2); else diff --git a/src/util/virjsoncompat.c b/src/util/virjsoncompat.c new file mode 100644 index 0000000000..c317e50c32 --- /dev/null +++ b/src/util/virjsoncompat.c @@ -0,0 +1,253 @@ +/* + * virjsoncompat.c: JSON object parsing/formatting + * + * Copyright (C) 2018 Red Hat, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library. If not, see + * <http://www.gnu.org/licenses/>. + * + */ + +#include <config.h> + +#include "virthread.h" +#include "virerror.h" +#define VIR_JSON_COMPAT_IMPL +#include "virjsoncompat.h" + +#define VIR_FROM_THIS VIR_FROM_NONE + +#if WITH_JANSSON + +#include <dlfcn.h> + +json_t *(*json_array_ptr)(void); +int (*json_array_append_new_ptr)(json_t *array, json_t *value); +json_t *(*json_array_get_ptr)(const json_t *array, size_t index); +size_t (*json_array_size_ptr)(const json_t *array); +void (*json_delete_ptr)(json_t *json); +char *(*json_dumps_ptr)(const json_t *json, size_t flags); +json_t *(*json_false_ptr)(void); +json_t *(*json_integer_ptr)(json_int_t value); +json_int_t (*json_integer_value_ptr)(const json_t *integer); +json_t *(*json_loads_ptr)(const char *input, size_t flags, json_error_t *error); +json_t *(*json_null_ptr)(void); +json_t *(*json_object_ptr)(void); +void *(*json_object_iter_ptr)(json_t *object); +const char *(*json_object_iter_key_ptr)(void *iter); +void *(*json_object_iter_next_ptr)(json_t *object, void *iter); +json_t *(*json_object_iter_value_ptr)(void *iter); +void *(*json_object_key_to_iter_ptr)(const char *key); +int (*json_object_set_new_ptr)(json_t *object, const char *key, json_t *value); +json_t *(*json_real_ptr)(double value); +double (*json_real_value_ptr)(const json_t *real); +json_t *(*json_string_ptr)(const char *value); +const char *(*json_string_value_ptr)(const json_t *string); +json_t *(*json_true_ptr)(void); + + +static int virJSONJanssonOnceInit(void) +{ + void *handle = dlopen("libjansson.so.4", RTLD_LAZY|RTLD_LOCAL|RTLD_DEEPBIND|RTLD_NODELETE); + if (!handle) { + virReportError(VIR_ERR_NO_SUPPORT, + _("libjansson.so.4 JSON library not available: %s"), dlerror()); + return -1; + } + +#define LOAD(name) \ + do { \ + if (!(name ## _ptr = dlsym(handle, #name))) { \ + virReportError(VIR_ERR_NO_SUPPORT, \ + _("missing symbol '%s' in libjansson.so.4: %s"), #name, dlerror()); \ + goto error; \ + } \ + fprintf(stderr, "Resolve %s to %p\n", #name, name ## _ptr); \ + } while (0) + + LOAD(json_array); + LOAD(json_array_append_new); + LOAD(json_array_get); + LOAD(json_array_size); + LOAD(json_delete); + LOAD(json_dumps); + LOAD(json_false); + LOAD(json_integer); + LOAD(json_integer_value); + LOAD(json_loads); + LOAD(json_null); + LOAD(json_object); + LOAD(json_object_iter); + LOAD(json_object_iter_key); + LOAD(json_object_iter_next); + LOAD(json_object_iter_value); + LOAD(json_object_key_to_iter); + LOAD(json_object_set_new); + LOAD(json_real); + LOAD(json_real_value); + LOAD(json_string); + LOAD(json_string_value); + LOAD(json_true); + + return 0; + + error: + return -1; +} + +VIR_ONCE_GLOBAL_INIT(virJSONJansson); + +int virJSONInitialize(void) { + return virJSONJanssonInitialize(); +} + +json_t *json_array_impl(void) +{ + return json_array_ptr(); +} + + +int json_array_append_new_impl(json_t *array, json_t *value) +{ + return json_array_append_new_ptr(array, value); +} + + +json_t *json_array_get_impl(const json_t *array, size_t index) +{ + return json_array_get_ptr(array, index); +} + + +size_t json_array_size_impl(const json_t *array) +{ + return json_array_size_ptr(array); +} + + +void json_delete_impl(json_t *json) +{ + return json_delete_ptr(json); +} + + +char *json_dumps_impl(const json_t *json, size_t flags) +{ + return json_dumps_ptr(json, flags); +} + + +json_t *json_false_impl(void) +{ + return json_false_ptr(); +} + + +json_t *json_integer_impl(json_int_t value) +{ + return json_integer_ptr(value); +} + + +json_int_t json_integer_value_impl(const json_t *integer) +{ + return json_integer_value_ptr(integer); +} + + +json_t *json_loads_impl(const char *input, size_t flags, json_error_t *error) +{ + return json_loads_ptr(input, flags, error); +} + + +json_t *json_null_impl(void) +{ + return json_null_ptr(); +} + + +json_t *json_object_impl(void) +{ + return json_object_ptr(); +} + + +void *json_object_iter_impl(json_t *object) +{ + return json_object_iter_ptr(object); +} + + +const char *json_object_iter_key_impl(void *iter) +{ + return json_object_iter_key_ptr(iter); +} + + +void *json_object_iter_next_impl(json_t *object, void *iter) +{ + return json_object_iter_next_ptr(object, iter); +} + + +json_t *json_object_iter_value_impl(void *iter) +{ + return json_object_iter_value_ptr(iter); +} + + +void *json_object_key_to_iter_impl(const char *key) +{ + return json_object_key_to_iter_ptr(key); +} + + +int json_object_set_new_impl(json_t *object, const char *key, json_t *value) +{ + return json_object_set_new_ptr(object, key, value); +} + + +json_t *json_real_impl(double value) +{ + return json_real_ptr(value); +} + + +double json_real_value_impl(const json_t *real) +{ + return json_real_value_ptr(real); +} + + +json_t *json_string_impl(const char *value) +{ + return json_string_ptr(value); +} + + +const char *json_string_value_impl(const json_t *string) +{ + return json_string_value_ptr(string); +} + + +json_t *json_true_impl(void) +{ + return json_true_ptr(); +} + +#endif + diff --git a/src/util/virjsoncompat.h b/src/util/virjsoncompat.h new file mode 100644 index 0000000000..c3963a5259 --- /dev/null +++ b/src/util/virjsoncompat.h @@ -0,0 +1,86 @@ +/* + * virjson.h: JSON object parsing/formatting + * + * Copyright (C) 2018 Red Hat, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library. If not, see + * <http://www.gnu.org/licenses/>. + * + */ + + +#ifndef __VIR_JSON_COMPAT_H_ +# define __VIR_JSON_COMPAT_H_ + +#ifndef VIR_JSON_COMPAT_IMPL + +#define json_array json_array_impl +#define json_array_append_new json_array_append_new_impl +#define json_array_get json_array_get_impl +#define json_array_size json_array_size_impl +#define json_delete json_delete_impl +#define json_dumps json_dumps_impl +#define json_false json_false_impl +#define json_integer json_integer_impl +#define json_integer_value json_integer_value_impl +#define json_loads json_loads_impl +#define json_null json_null_impl +#define json_object json_object_impl +#define json_object_iter json_object_iter_impl +#define json_object_iter_key json_object_iter_key_impl +#define json_object_iter_next json_object_iter_next_impl +#define json_object_iter_value json_object_iter_value_impl +#define json_object_key_to_iter json_object_key_to_iter_impl +#define json_object_set_new json_object_set_new_impl +#define json_real json_real_impl +#define json_real_value json_real_value_impl +#define json_string json_string_impl +#define json_string_value json_string_value_impl +#define json_true json_true_impl + +#include <jansson.h> + +#else + +#include <jansson.h> + +json_t *json_array_impl(void); +int json_array_append_new_impl(json_t *array, json_t *value); +json_t *json_array_get_impl(const json_t *array, size_t index); +size_t json_array_size_impl(const json_t *array); +void json_delete_impl(json_t *json); +char *json_dumps_impl(const json_t *json, size_t flags); +json_t *json_false_impl(void); +json_t *json_integer_impl(json_int_t value); +json_int_t json_integer_value_impl(const json_t *integer); +json_t *json_loads_impl(const char *input, size_t flags, json_error_t *error); +json_t *json_null_impl(void); +json_t *json_object_impl(void); +void *json_object_iter_impl(json_t *object); +const char *json_object_iter_key_impl(void *iter); +void *json_object_iter_next_impl(json_t *object, void *iter); +json_t *json_object_iter_value_impl(void *iter); +void *json_object_key_to_iter_impl(const char *key); +int json_object_set_new_impl(json_t *object, const char *key, json_t *value); +json_t *json_real_impl(double value); +double json_real_value_impl(const json_t *real); +json_t *json_string_impl(const char *value); +const char *json_string_value_impl(const json_t *string); +json_t *json_true_impl(void); + +#endif + +int virJSONInitialize(void); + +#endif -- 2.17.1
Hi,
This series was run against 'syntax-check' test by patchew.org, which failed, please find the details below:
Type: series
Message-id: 20180731145528.9845-1-berrange@redhat.com
Subject: [libvirt] [PATCH] util: avoid symbol clash between json libraries
=== TEST SCRIPT BEGIN ===
#!/bin/bash
# Testing script will be invoked under the git checkout with
# HEAD pointing to a commit that has the patches applied on top of "base"
# branch
time bash -c './autogen.sh && make syntax-check'
=== TEST SCRIPT END ===
Updating bcb55ab053bc79561b55d0394490f4b64e0f2d01
>From https://github.com/patchew-project/libvirt
e9024b0cec..7bda210e6d master -> master
* [new tag] patchew/20180731145528.9845-1-berrange@redhat.com -> patchew/20180731145528.9845-1-berrange@redhat.com
Switched to a new branch 'test'
d9528ced11 util: avoid symbol clash between json libraries
=== OUTPUT BEGIN ===
Updating submodules...
Submodule 'gnulib' (https://git.savannah.gnu.org/git/gnulib.git/) registered for path '.gnulib'
Submodule 'keycodemapdb' (https://gitlab.com/keycodemap/keycodemapdb.git) registered for path 'src/keycodemapdb'
Cloning into '/var/tmp/patchew-tester-tmp-jch49p_t/src/.gnulib'...
Cloning into '/var/tmp/patchew-tester-tmp-jch49p_t/src/src/keycodemapdb'...
Submodule path '.gnulib': checked out '68df637b5f1b5c10370f6981d2a43a5cf74368df'
Submodule path 'src/keycodemapdb': checked out '16e5b0787687d8904dad2c026107409eb9bfcb95'
Running bootstrap...
./bootstrap: Bootstrapping from checked-out libvirt sources...
./bootstrap: consider installing git-merge-changelog from gnulib
./bootstrap: getting gnulib files...
running: libtoolize --install --copy
libtoolize: putting auxiliary files in AC_CONFIG_AUX_DIR, 'build-aux'.
libtoolize: copying file 'build-aux/config.guess'
libtoolize: copying file 'build-aux/config.sub'
libtoolize: copying file 'build-aux/install-sh'
libtoolize: copying file 'build-aux/ltmain.sh'
libtoolize: putting macros in AC_CONFIG_MACRO_DIRS, 'm4'.
libtoolize: copying file 'm4/libtool.m4'
libtoolize: copying file 'm4/ltoptions.m4'
libtoolize: copying file 'm4/ltsugar.m4'
libtoolize: copying file 'm4/ltversion.m4'
libtoolize: copying file 'm4/lt~obsolete.m4'
./bootstrap: .gnulib/gnulib-tool --no-changelog --aux-dir=build-aux --doc-base=doc --lib=libgnu --m4-base=m4/ --source-base=gnulib/lib/ --tests-base=gnulib/tests --local-dir=gnulib/local --lgpl=2 --with-tests --makefile-name=gnulib.mk --avoid=pt_chown --avoid=lock-tests --libtool --import ...
Module list with included dependencies (indented):
absolute-header
accept
accept-tests
alloca
alloca-opt
alloca-opt-tests
allocator
areadlink
areadlink-tests
arpa_inet
arpa_inet-tests
assure
autobuild
base64
base64-tests
binary-io
binary-io-tests
bind
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bitrotate
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btowc
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builtin-expect
byteswap
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c-ctype
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c-strcase
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c-strcasestr
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careadlinkat
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clock-time
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close
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connect
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count-leading-zeros
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ctype
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func
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getaddrinfo
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getcwd-lgpl
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getdelim
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getdtablesize
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getgroups
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gitlog-to-changelog
gnumakefile
grantpt
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host-cpu-c-abi
hostent
ignore-value
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include_next
inet_ntop
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inet_pton
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intprops
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inttypes
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malloc-posix
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math
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netdb
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netinet_in
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nl_langinfo
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nocrash
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open
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openpty
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passfd
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pathmax
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perror
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physmem
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poll
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posix_spawn_file_actions_destroy
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posix_spawnattr_setflags
posix_spawnattr_setsigmask
posix_spawnp
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pthread
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ptsname
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ptsname_r
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pty
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putenv
raise
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rawmemchr
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read
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readlink
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realloc-posix
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sched
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send
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sigaction
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size_max
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snippet/_Noreturn
snippet/arg-nonnull
snippet/c++defs
snippet/unused-parameter
snippet/warn-on-use
snprintf
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socket
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ssize_t
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stdalign
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stddef
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stdio
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stdlib
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stpcpy
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strchrnul
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strdup-posix
streq
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string
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strings
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strndup
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strnlen1
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sys_ioctl
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sys_select
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thread
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uname
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unistd
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unlockpt
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unsetenv
unsetenv-tests
useless-if-before-free
usleep
usleep-tests
vasnprintf
vasnprintf-tests
vasprintf
vasprintf-tests
vc-list-files
vc-list-files-tests
verify
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wait-process
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wctob
wctomb
wctype-h
wctype-h-tests
write
write-tests
xalloc
xalloc-die
xalloc-die-tests
xalloc-oversized
xsize
Notice from module vasprintf:
If you are using GNU gettext version 0.16.1 or older, add the following options
to XGETTEXT_OPTIONS in your po/Makevars:
--flag=asprintf:2:c-format --flag=vasprintf:2:c-format
File list:
build-aux/config.rpath
build-aux/gitlog-to-changelog
build-aux/mktempd
build-aux/useless-if-before-free
build-aux/vc-list-files
lib/_Noreturn.h
lib/accept.c
lib/alloca.c
lib/alloca.in.h
lib/allocator.c
lib/allocator.h
lib/areadlink.c
lib/areadlink.h
lib/arg-nonnull.h
lib/arpa_inet.in.h
lib/asnprintf.c
lib/asprintf.c
lib/assure.h
lib/base64.c
lib/base64.h
lib/basename-lgpl.c
lib/binary-io.c
lib/binary-io.h
lib/bind.c
lib/bitrotate.c
lib/bitrotate.h
lib/btowc.c
lib/byteswap.in.h
lib/c++defs.h
lib/c-ctype.c
lib/c-ctype.h
lib/c-strcase.h
lib/c-strcasecmp.c
lib/c-strcasestr.c
lib/c-strcasestr.h
lib/c-strncasecmp.c
lib/calloc.c
lib/canonicalize-lgpl.c
lib/careadlinkat.c
lib/careadlinkat.h
lib/chown.c
lib/cloexec.c
lib/cloexec.h
lib/close.c
lib/connect.c
lib/count-leading-zeros.c
lib/count-leading-zeros.h
lib/count-one-bits.c
lib/count-one-bits.h
lib/dirname-lgpl.c
lib/dirname.h
lib/dosname.h
lib/dup2.c
lib/errno.in.h
lib/execinfo.c
lib/execinfo.in.h
lib/fchown-stub.c
lib/fclose.c
lib/fcntl.c
lib/fcntl.in.h
lib/fd-hook.c
lib/fd-hook.h
lib/fdatasync.c
lib/fflush.c
lib/ffs.c
lib/ffsl.c
lib/ffsl.h
lib/filename.h
lib/flexmember.h
lib/float+.h
lib/float.c
lib/float.in.h
lib/fnmatch.c
lib/fnmatch.in.h
lib/fnmatch_loop.c
lib/fpurge.c
lib/freading.c
lib/freading.h
lib/fseek.c
lib/fseeko.c
lib/fstat.c
lib/fsync.c
lib/ftell.c
lib/ftello.c
lib/gai_strerror.c
lib/getaddrinfo.c
lib/getcwd-lgpl.c
lib/getdelim.c
lib/getdtablesize.c
lib/getgroups.c
lib/gethostname.c
lib/getline.c
lib/getopt-cdefs.in.h
lib/getopt-core.h
lib/getopt-ext.h
lib/getopt-pfx-core.h
lib/getopt-pfx-ext.h
lib/getopt.c
lib/getopt.in.h
lib/getopt1.c
lib/getopt_int.h
lib/getpass.c
lib/getpass.h
lib/getpeername.c
lib/getsockname.c
lib/gettext.h
lib/gettimeofday.c
lib/getugroups.c
lib/getugroups.h
lib/glthread/lock.c
lib/glthread/lock.h
lib/glthread/threadlib.c
lib/hard-locale.c
lib/hard-locale.h
lib/ignore-value.h
lib/inet_ntop.c
lib/inet_pton.c
lib/intprops.h
lib/ioctl.c
lib/isatty.c
lib/itold.c
lib/langinfo.in.h
lib/limits.in.h
lib/listen.c
lib/localcharset.c
lib/localcharset.h
lib/locale.in.h
lib/localeconv.c
lib/localtime-buffer.c
lib/localtime-buffer.h
lib/lseek.c
lib/lstat.c
lib/malloc.c
lib/malloca.c
lib/malloca.h
lib/mbrtowc.c
lib/mbsinit.c
lib/mbsrtowcs-impl.h
lib/mbsrtowcs-state.c
lib/mbsrtowcs.c
lib/mbtowc-impl.h
lib/mbtowc.c
lib/memchr.c
lib/memchr.valgrind
lib/mgetgroups.c
lib/mgetgroups.h
lib/mkdtemp.c
lib/mkostemp.c
lib/mkostemps.c
lib/mktime-internal.h
lib/mktime.c
lib/msvc-inval.c
lib/msvc-inval.h
lib/msvc-nothrow.c
lib/msvc-nothrow.h
lib/net_if.in.h
lib/netdb.in.h
lib/netinet_in.in.h
lib/nl_langinfo.c
lib/nonblocking.c
lib/nonblocking.h
lib/open.c
lib/openpty.c
lib/passfd.c
lib/passfd.h
lib/pathmax.h
lib/perror.c
lib/physmem.c
lib/physmem.h
lib/pipe.c
lib/pipe2.c
lib/poll.c
lib/poll.in.h
lib/posix_openpt.c
lib/printf-args.c
lib/printf-args.h
lib/printf-parse.c
lib/printf-parse.h
lib/pthread.c
lib/pthread.in.h
lib/pthread_sigmask.c
lib/pty.in.h
lib/raise.c
lib/rawmemchr.c
lib/rawmemchr.valgrind
lib/readlink.c
lib/realloc.c
lib/recv.c
lib/regcomp.c
lib/regex.c
lib/regex.h
lib/regex_internal.c
lib/regex_internal.h
lib/regexec.c
lib/sched.in.h
lib/secure_getenv.c
lib/select.c
lib/send.c
lib/setenv.c
lib/setsockopt.c
lib/sig-handler.c
lib/sig-handler.h
lib/sigaction.c
lib/signal.in.h
lib/sigprocmask.c
lib/size_max.h
lib/sleep.c
lib/snprintf.c
lib/socket.c
lib/sockets.c
lib/sockets.h
lib/stat-time.c
lib/stat-time.h
lib/stat-w32.c
lib/stat-w32.h
lib/stat.c
lib/stdalign.in.h
lib/stdarg.in.h
lib/stdbool.in.h
lib/stddef.in.h
lib/stdint.in.h
lib/stdio-impl.h
lib/stdio-read.c
lib/stdio-write.c
lib/stdio.in.h
lib/stdlib.in.h
lib/stpcpy.c
lib/str-two-way.h
lib/strcasecmp.c
lib/strchrnul.c
lib/strchrnul.valgrind
lib/strdup.c
lib/streq.h
lib/strerror-override.c
lib/strerror-override.h
lib/strerror.c
lib/strerror_r.c
lib/string.in.h
lib/strings.in.h
lib/stripslash.c
lib/strncasecmp.c
lib/strndup.c
lib/strnlen.c
lib/strnlen1.c
lib/strnlen1.h
lib/strptime.c
lib/strsep.c
lib/strtok_r.c
lib/sys_ioctl.in.h
lib/sys_select.in.h
lib/sys_socket.c
lib/sys_socket.in.h
lib/sys_stat.in.h
lib/sys_time.in.h
lib/sys_types.in.h
lib/sys_uio.in.h
lib/sys_utsname.in.h
lib/sys_wait.in.h
lib/tempname.c
lib/tempname.h
lib/termios.in.h
lib/time.in.h
lib/time_r.c
lib/timegm.c
lib/ttyname_r.c
lib/uname.c
lib/unistd.c
lib/unistd.in.h
lib/unsetenv.c
lib/unused-parameter.h
lib/usleep.c
lib/vasnprintf.c
lib/vasnprintf.h
lib/vasprintf.c
lib/verify.h
lib/vsnprintf.c
lib/w32sock.h
lib/waitpid.c
lib/warn-on-use.h
lib/wchar.in.h
lib/wcrtomb.c
lib/wctype-h.c
lib/wctype.in.h
lib/xalloc-oversized.h
lib/xsize.c
lib/xsize.h
m4/00gnulib.m4
m4/absolute-header.m4
m4/alloca.m4
m4/arpa_inet_h.m4
m4/asm-underscore.m4
m4/autobuild.m4
m4/base64.m4
m4/btowc.m4
m4/builtin-expect.m4
m4/byteswap.m4
m4/calloc.m4
m4/canonicalize.m4
m4/chown.m4
m4/clock_time.m4
m4/close.m4
m4/codeset.m4
m4/configmake.m4
m4/count-leading-zeros.m4
m4/count-one-bits.m4
m4/ctype.m4
m4/dirname.m4
m4/double-slash-root.m4
m4/dup.m4
m4/dup2.m4
m4/eealloc.m4
m4/environ.m4
m4/errno_h.m4
m4/error.m4
m4/execinfo.m4
m4/exponentd.m4
m4/exponentf.m4
m4/exponentl.m4
m4/extensions.m4
m4/extern-inline.m4
m4/fatal-signal.m4
m4/fclose.m4
m4/fcntl-o.m4
m4/fcntl.m4
m4/fcntl_h.m4
m4/fdatasync.m4
m4/fdopen.m4
m4/fflush.m4
m4/ffs.m4
m4/ffsl.m4
m4/flexmember.m4
m4/float_h.m4
m4/fnmatch.m4
m4/fpieee.m4
m4/fpurge.m4
m4/freading.m4
m4/fseek.m4
m4/fseeko.m4
m4/fstat.m4
m4/fsync.m4
m4/ftell.m4
m4/ftello.m4
m4/ftruncate.m4
m4/func.m4
m4/getaddrinfo.m4
m4/getcwd.m4
m4/getdelim.m4
m4/getdtablesize.m4
m4/getgroups.m4
m4/gethostname.m4
m4/getline.m4
m4/getopt.m4
m4/getpagesize.m4
m4/getpass.m4
m4/getprogname.m4
m4/gettimeofday.m4
m4/getugroups.m4
m4/glibc21.m4
m4/gnulib-common.m4
m4/grantpt.m4
m4/host-cpu-c-abi.m4
m4/hostent.m4
m4/include_next.m4
m4/inet_ntop.m4
m4/inet_pton.m4
m4/intlmacosx.m4
m4/intmax_t.m4
m4/inttypes-pri.m4
m4/inttypes.m4
m4/inttypes_h.m4
m4/ioctl.m4
m4/isatty.m4
m4/isblank.m4
m4/isnand.m4
m4/isnanf.m4
m4/isnanl.m4
m4/langinfo_h.m4
m4/largefile.m4
m4/lcmessage.m4
m4/ldexp.m4
m4/lib-ld.m4
m4/lib-link.m4
m4/lib-prefix.m4
m4/limits-h.m4
m4/localcharset.m4
m4/locale-fr.m4
m4/locale-ja.m4
m4/locale-tr.m4
m4/locale-zh.m4
m4/locale_h.m4
m4/localeconv.m4
m4/localename.m4
m4/localtime-buffer.m4
m4/lock.m4
m4/longlong.m4
m4/lseek.m4
m4/lstat.m4
m4/malloc.m4
m4/malloca.m4
m4/manywarnings-c++.m4
m4/manywarnings.m4
m4/math_h.m4
m4/mbrtowc.m4
m4/mbsinit.m4
m4/mbsrtowcs.m4
m4/mbstate_t.m4
m4/mbtowc.m4
m4/memchr.m4
m4/mgetgroups.m4
m4/mkdtemp.m4
m4/mkostemp.m4
m4/mkostemps.m4
m4/mktime.m4
m4/mmap-anon.m4
m4/mode_t.m4
m4/msvc-inval.m4
m4/msvc-nothrow.m4
m4/multiarch.m4
m4/nanosleep.m4
m4/net_if_h.m4
m4/netdb_h.m4
m4/netinet_in_h.m4
m4/nl_langinfo.m4
m4/nocrash.m4
m4/nonblocking.m4
m4/off_t.m4
m4/onceonly.m4
m4/open-cloexec.m4
m4/open.m4
m4/passfd.m4
m4/pathmax.m4
m4/perror.m4
m4/physmem.m4
m4/pipe.m4
m4/pipe2.m4
m4/poll.m4
m4/poll_h.m4
m4/posix-shell.m4
m4/posix_openpt.m4
m4/posix_spawn.m4
m4/printf.m4
m4/pthread.m4
m4/pthread_rwlock_rdlock.m4
m4/pthread_sigmask.m4
m4/ptsname.m4
m4/ptsname_r.m4
m4/pty.m4
m4/pty_h.m4
m4/putenv.m4
m4/raise.m4
m4/rawmemchr.m4
m4/read.m4
m4/readlink.m4
m4/realloc.m4
m4/regex.m4
m4/sched_h.m4
m4/secure_getenv.m4
m4/select.m4
m4/servent.m4
m4/setenv.m4
m4/setlocale.m4
m4/sig_atomic_t.m4
m4/sigaction.m4
m4/signal_h.m4
m4/signalblocking.m4
m4/signbit.m4
m4/sigpipe.m4
m4/size_max.m4
m4/sleep.m4
m4/snprintf.m4
m4/socketlib.m4
m4/sockets.m4
m4/socklen.m4
m4/sockpfaf.m4
m4/spawn_h.m4
m4/ssize_t.m4
m4/stat-time.m4
m4/stat.m4
m4/stdalign.m4
m4/stdarg.m4
m4/stdbool.m4
m4/stddef_h.m4
m4/stdint.m4
m4/stdint_h.m4
m4/stdio_h.m4
m4/stdlib_h.m4
m4/stpcpy.m4
m4/strcase.m4
m4/strchrnul.m4
m4/strdup.m4
m4/strerror.m4
m4/strerror_r.m4
m4/string_h.m4
m4/strings_h.m4
m4/strndup.m4
m4/strnlen.m4
m4/strptime.m4
m4/strsep.m4
m4/strtok_r.m4
m4/symlink.m4
m4/sys_ioctl_h.m4
m4/sys_select_h.m4
m4/sys_socket_h.m4
m4/sys_stat_h.m4
m4/sys_time_h.m4
m4/sys_types_h.m4
m4/sys_uio_h.m4
m4/sys_utsname_h.m4
m4/sys_wait_h.m4
m4/tempname.m4
m4/termios_h.m4
m4/thread.m4
m4/threadlib.m4
m4/time_h.m4
m4/time_r.m4
m4/timegm.m4
m4/tm_gmtoff.m4
m4/ttyname_r.m4
m4/uname.m4
m4/ungetc.m4
m4/unistd_h.m4
m4/unlockpt.m4
m4/usleep.m4
m4/vasnprintf.m4
m4/vasprintf.m4
m4/vsnprintf.m4
m4/wait-process.m4
m4/waitpid.m4
m4/warn-on-use.m4
m4/warnings.m4
m4/wchar_h.m4
m4/wchar_t.m4
m4/wcrtomb.m4
m4/wctob.m4
m4/wctomb.m4
m4/wctype_h.m4
m4/wint_t.m4
m4/write.m4
m4/xalloc.m4
m4/xsize.m4
tests/infinity.h
tests/init.sh
tests/macros.h
tests/minus-zero.h
tests/nan.h
tests/nap.h
tests/null-ptr.h
tests/randomd.c
tests/signature.h
tests/socket-client.h
tests/socket-server.h
tests/test-accept.c
tests/test-alloca-opt.c
tests/test-areadlink.c
tests/test-areadlink.h
tests/test-arpa_inet.c
tests/test-base64.c
tests/test-binary-io.c
tests/test-binary-io.sh
tests/test-bind.c
tests/test-bitrotate.c
tests/test-btowc.c
tests/test-btowc1.sh
tests/test-btowc2.sh
tests/test-byteswap.c
tests/test-c-ctype.c
tests/test-c-strcase.sh
tests/test-c-strcasecmp.c
tests/test-c-strcasestr.c
tests/test-c-strncasecmp.c
tests/test-canonicalize-lgpl.c
tests/test-chown.c
tests/test-chown.h
tests/test-cloexec.c
tests/test-close.c
tests/test-connect.c
tests/test-count-leading-zeros.c
tests/test-count-one-bits.c
tests/test-ctype.c
tests/test-dup.c
tests/test-dup2.c
tests/test-environ.c
tests/test-errno.c
tests/test-fclose.c
tests/test-fcntl-h.c
tests/test-fcntl.c
tests/test-fdatasync.c
tests/test-fdopen.c
tests/test-fflush.c
tests/test-fflush2.c
tests/test-fflush2.sh
tests/test-ffs.c
tests/test-ffsl.c
tests/test-fgetc.c
tests/test-float.c
tests/test-fnmatch.c
tests/test-fpurge.c
tests/test-fputc.c
tests/test-fread.c
tests/test-freading.c
tests/test-fseek.c
tests/test-fseek.sh
tests/test-fseek2.sh
tests/test-fseeko.c
tests/test-fseeko.sh
tests/test-fseeko2.sh
tests/test-fseeko3.c
tests/test-fseeko3.sh
tests/test-fseeko4.c
tests/test-fseeko4.sh
tests/test-fstat.c
tests/test-fsync.c
tests/test-ftell.c
tests/test-ftell.sh
tests/test-ftell2.sh
tests/test-ftell3.c
tests/test-ftello.c
tests/test-ftello.sh
tests/test-ftello2.sh
tests/test-ftello3.c
tests/test-ftello4.c
tests/test-ftello4.sh
tests/test-ftruncate.c
tests/test-ftruncate.sh
tests/test-func.c
tests/test-fwrite.c
tests/test-getaddrinfo.c
tests/test-getcwd-lgpl.c
tests/test-getdelim.c
tests/test-getdtablesize.c
tests/test-getgroups.c
tests/test-gethostname.c
tests/test-getline.c
tests/test-getopt-main.h
tests/test-getopt-posix.c
tests/test-getopt.h
tests/test-getpeername.c
tests/test-getprogname.c
tests/test-getsockname.c
tests/test-getsockopt.c
tests/test-gettimeofday.c
tests/test-grantpt.c
tests/test-ignore-value.c
tests/test-inet_ntop.c
tests/test-inet_pton.c
tests/test-init.sh
tests/test-intprops.c
tests/test-inttypes.c
tests/test-ioctl.c
tests/test-isatty.c
tests/test-isblank.c
tests/test-isnand-nolibm.c
tests/test-isnand.h
tests/test-isnanf-nolibm.c
tests/test-isnanf.h
tests/test-isnanl-nolibm.c
tests/test-isnanl.h
tests/test-langinfo.c
tests/test-ldexp.c
tests/test-ldexp.h
tests/test-limits-h.c
tests/test-listen.c
tests/test-localcharset.c
tests/test-locale.c
tests/test-localeconv.c
tests/test-localename.c
tests/test-lseek.c
tests/test-lseek.sh
tests/test-lstat.c
tests/test-lstat.h
tests/test-malloca.c
tests/test-math.c
tests/test-mbrtowc-w32-1.sh
tests/test-mbrtowc-w32-2.sh
tests/test-mbrtowc-w32-3.sh
tests/test-mbrtowc-w32-4.sh
tests/test-mbrtowc-w32-5.sh
tests/test-mbrtowc-w32.c
tests/test-mbrtowc.c
tests/test-mbrtowc1.sh
tests/test-mbrtowc2.sh
tests/test-mbrtowc3.sh
tests/test-mbrtowc4.sh
tests/test-mbrtowc5.sh
tests/test-mbsinit.c
tests/test-mbsinit.sh
tests/test-mbsrtowcs.c
tests/test-mbsrtowcs1.sh
tests/test-mbsrtowcs2.sh
tests/test-mbsrtowcs3.sh
tests/test-mbsrtowcs4.sh
tests/test-memchr.c
tests/test-nanosleep.c
tests/test-net_if.c
tests/test-netdb.c
tests/test-netinet_in.c
tests/test-nl_langinfo.c
tests/test-nl_langinfo.sh
tests/test-nonblocking-misc.h
tests/test-nonblocking-pipe-child.c
tests/test-nonblocking-pipe-main.c
tests/test-nonblocking-pipe.h
tests/test-nonblocking-pipe.sh
tests/test-nonblocking-reader.h
tests/test-nonblocking-socket-child.c
tests/test-nonblocking-socket-main.c
tests/test-nonblocking-socket.h
tests/test-nonblocking-socket.sh
tests/test-nonblocking-writer.h
tests/test-nonblocking.c
tests/test-open.c
tests/test-open.h
tests/test-openpty.c
tests/test-passfd.c
tests/test-pathmax.c
tests/test-perror.c
tests/test-perror.sh
tests/test-perror2.c
tests/test-pipe.c
tests/test-pipe2.c
tests/test-poll-h.c
tests/test-poll.c
tests/test-posix_openpt.c
tests/test-posix_spawn1.c
tests/test-posix_spawn1.in.sh
tests/test-posix_spawn2.c
tests/test-posix_spawn2.in.sh
tests/test-posix_spawn_file_actions_addclose.c
tests/test-posix_spawn_file_actions_adddup2.c
tests/test-posix_spawn_file_actions_addopen.c
tests/test-pthread_sigmask1.c
tests/test-pthread_sigmask2.c
tests/test-ptsname.c
tests/test-ptsname_r.c
tests/test-raise.c
tests/test-rawmemchr.c
tests/test-read.c
tests/test-readlink.c
tests/test-readlink.h
tests/test-recv.c
tests/test-regex.c
tests/test-sched.c
tests/test-select-fd.c
tests/test-select-in.sh
tests/test-select-out.sh
tests/test-select-stdin.c
tests/test-select.c
tests/test-select.h
tests/test-send.c
tests/test-setenv.c
tests/test-setlocale1.c
tests/test-setlocale1.sh
tests/test-setlocale2.c
tests/test-setlocale2.sh
tests/test-setsockopt.c
tests/test-sigaction.c
tests/test-signal-h.c
tests/test-signbit.c
tests/test-sigpipe.c
tests/test-sigpipe.sh
tests/test-sigprocmask.c
tests/test-sleep.c
tests/test-snprintf.c
tests/test-sockets.c
tests/test-spawn.c
tests/test-stat-time.c
tests/test-stat.c
tests/test-stat.h
tests/test-stdalign.c
tests/test-stdbool.c
tests/test-stddef.c
tests/test-stdint.c
tests/test-stdio.c
tests/test-stdlib.c
tests/test-strchrnul.c
tests/test-strerror.c
tests/test-strerror_r.c
tests/test-string.c
tests/test-strings.c
tests/test-strnlen.c
tests/test-symlink.c
tests/test-symlink.h
tests/test-sys_ioctl.c
tests/test-sys_select.c
tests/test-sys_socket.c
tests/test-sys_stat.c
tests/test-sys_time.c
tests/test-sys_types.c
tests/test-sys_uio.c
tests/test-sys_utsname.c
tests/test-sys_wait.c
tests/test-sys_wait.h
tests/test-termios.c
tests/test-thread_create.c
tests/test-thread_self.c
tests/test-time.c
tests/test-ttyname_r.c
tests/test-uname.c
tests/test-unistd.c
tests/test-unlockpt.c
tests/test-unsetenv.c
tests/test-usleep.c
tests/test-vasnprintf.c
tests/test-vasprintf.c
tests/test-vc-list-files-cvs.sh
tests/test-vc-list-files-git.sh
tests/test-verify-try.c
tests/test-verify.c
tests/test-verify.sh
tests/test-vsnprintf.c
tests/test-wchar.c
tests/test-wcrtomb-w32-1.sh
tests/test-wcrtomb-w32-2.sh
tests/test-wcrtomb-w32-3.sh
tests/test-wcrtomb-w32-4.sh
tests/test-wcrtomb-w32-5.sh
tests/test-wcrtomb-w32.c
tests/test-wcrtomb.c
tests/test-wcrtomb.sh
tests/test-wctype-h.c
tests/test-write.c
tests/test-xalloc-die.c
tests/test-xalloc-die.sh
tests/zerosize-ptr.h
lib/_Noreturn.h -> tests/_Noreturn.h
lib/arg-nonnull.h -> tests/arg-nonnull.h
lib/c++defs.h -> tests/c++defs.h
lib/ctype.in.h -> tests/ctype.in.h
lib/dup.c -> tests/dup.c
lib/error.c -> tests/error.c
lib/error.h -> tests/error.h
lib/exitfail.c -> tests/exitfail.c
lib/exitfail.h -> tests/exitfail.h
lib/fatal-signal.c -> tests/fatal-signal.c
lib/fatal-signal.h -> tests/fatal-signal.h
lib/fdopen.c -> tests/fdopen.c
lib/float+.h -> tests/float+.h
lib/fpucw.h -> tests/fpucw.h
lib/ftruncate.c -> tests/ftruncate.c
lib/getpagesize.c -> tests/getpagesize.c
lib/getprogname.c -> tests/getprogname.c
lib/getprogname.h -> tests/getprogname.h
lib/getsockopt.c -> tests/getsockopt.c
lib/glthread/thread.c -> tests/glthread/thread.c
lib/glthread/thread.h -> tests/glthread/thread.h
lib/grantpt.c -> tests/grantpt.c
lib/inttypes.in.h -> tests/inttypes.in.h
lib/isblank.c -> tests/isblank.c
lib/isnan.c -> tests/isnan.c
lib/isnand-nolibm.h -> tests/isnand-nolibm.h
lib/isnand.c -> tests/isnand.c
lib/isnanf-nolibm.h -> tests/isnanf-nolibm.h
lib/isnanf.c -> tests/isnanf.c
lib/isnanl-nolibm.h -> tests/isnanl-nolibm.h
lib/isnanl.c -> tests/isnanl.c
lib/localename.c -> tests/localename.c
lib/localename.h -> tests/localename.h
lib/math.c -> tests/math.c
lib/math.in.h -> tests/math.in.h
lib/nanosleep.c -> tests/nanosleep.c
lib/ptsname.c -> tests/ptsname.c
lib/ptsname_r.c -> tests/ptsname_r.c
lib/pty-private.h -> tests/pty-private.h
lib/putenv.c -> tests/putenv.c
lib/read.c -> tests/read.c
lib/same-inode.h -> tests/same-inode.h
lib/setlocale.c -> tests/setlocale.c
lib/signbitd.c -> tests/signbitd.c
lib/signbitf.c -> tests/signbitf.c
lib/signbitl.c -> tests/signbitl.c
lib/spawn.in.h -> tests/spawn.in.h
lib/spawn_faction_addclose.c -> tests/spawn_faction_addclose.c
lib/spawn_faction_adddup2.c -> tests/spawn_faction_adddup2.c
lib/spawn_faction_addopen.c -> tests/spawn_faction_addopen.c
lib/spawn_faction_destroy.c -> tests/spawn_faction_destroy.c
lib/spawn_faction_init.c -> tests/spawn_faction_init.c
lib/spawn_int.h -> tests/spawn_int.h
lib/spawnattr_destroy.c -> tests/spawnattr_destroy.c
lib/spawnattr_init.c -> tests/spawnattr_init.c
lib/spawnattr_setflags.c -> tests/spawnattr_setflags.c
lib/spawnattr_setsigmask.c -> tests/spawnattr_setsigmask.c
lib/spawni.c -> tests/spawni.c
lib/spawnp.c -> tests/spawnp.c
lib/symlink.c -> tests/symlink.c
lib/unlockpt.c -> tests/unlockpt.c
lib/unused-parameter.h -> tests/unused-parameter.h
lib/w32sock.h -> tests/w32sock.h
lib/wait-process.c -> tests/wait-process.c
lib/wait-process.h -> tests/wait-process.h
lib/warn-on-use.h -> tests/warn-on-use.h
lib/wctob.c -> tests/wctob.c
lib/wctomb-impl.h -> tests/wctomb-impl.h
lib/wctomb.c -> tests/wctomb.c
lib/write.c -> tests/write.c
lib/xalloc-die.c -> tests/xalloc-die.c
lib/xalloc.h -> tests/xalloc.h
lib/xmalloc.c -> tests/xmalloc.c
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Copying file m4/wctomb.m4
Copying file m4/wctype_h.m4
Copying file m4/wint_t.m4
Copying file m4/write.m4
Copying file m4/xalloc.m4
Copying file m4/xsize.m4
Copying file maint.mk
Creating gnulib/lib/gnulib.mk
Creating m4/gnulib-cache.m4
Creating m4/gnulib-comp.m4
Creating gnulib/tests/gnulib.mk
Updating ./build-aux/.gitignore (backup in ./build-aux/.gitignore~)
Creating ./gnulib/lib/.gitignore
Creating ./gnulib/lib/glthread/.gitignore
Creating ./gnulib/tests/.gitignore
Creating ./gnulib/tests/glthread/.gitignore
Updating ./m4/.gitignore (backup in ./m4/.gitignore~)
Finished.
You may need to add #include directives for the following .h files.
#include <arpa/inet.h>
#include <byteswap.h>
#include <execinfo.h>
#include <fcntl.h>
#include <fnmatch.h>
#include <locale.h>
#include <math.h>
#include <net/if.h>
#include <netdb.h>
#include <poll.h>
#include <pthread.h>
#include <pty.h>
#include <regex.h>
#include <sched.h>
#include <signal.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/utsname.h>
#include <sys/wait.h>
#include <termios.h>
#include <time.h>
#include <unistd.h>
/* Include only after all system include files. */
#include "areadlink.h"
#include "base64.h"
#include "bitrotate.h"
#include "c-ctype.h"
#include "c-strcase.h"
#include "c-strcasestr.h"
#include "configmake.h"
#include "count-leading-zeros.h"
#include "count-one-bits.h"
#include "dirname.h"
#include "getpass.h"
#include "ignore-value.h"
#include "intprops.h"
#include "mgetgroups.h"
#include "nonblocking.h"
#include "passfd.h"
#include "physmem.h"
#include "stat-time.h"
#include "verify.h"
You may need to use the following Makefile variables when linking.
Use them in <program>_LDADD when linking a program, or
in <library>_a_LDFLAGS or <library>_la_LDFLAGS when linking a library.
$(GETADDRINFO_LIB)
$(GETHOSTNAME_LIB)
$(HOSTENT_LIB)
$(INET_NTOP_LIB)
$(INET_PTON_LIB)
$(LDEXP_LIBM)
$(LIBSOCKET)
$(LIB_CLOCK_GETTIME)
$(LIB_EXECINFO)
$(LIB_FDATASYNC)
$(LIB_POLL)
$(LIB_PTHREAD)
$(LIB_PTHREAD_SIGMASK)
$(LIB_SELECT)
$(LTLIBINTL) when linking with libtool, $(LIBINTL) otherwise
$(LTLIBTHREAD) when linking with libtool, $(LIBTHREAD) otherwise
$(PTY_LIB)
$(SERVENT_LIB)
Don't forget to
- "include gnulib.mk" from within "gnulib/lib/Makefile.am",
- "include gnulib.mk" from within "gnulib/tests/Makefile.am",
- mention "-I m4" in ACLOCAL_AMFLAGS in Makefile.am,
- mention "m4/gnulib-cache.m4" in EXTRA_DIST in Makefile.am,
- invoke gl_EARLY in ./configure.ac, right after AC_PROG_CC,
- invoke gl_INIT in ./configure.ac.
running: AUTOPOINT=true LIBTOOLIZE=true autoreconf --verbose --install --force -I m4 --no-recursive
autoreconf: Entering directory `.'
autoreconf: configure.ac: not using Gettext
autoreconf: running: aclocal -I m4 --force -I m4
autoreconf: configure.ac: tracing
autoreconf: running: true --copy --force
autoreconf: running: /usr/bin/autoconf --include=m4 --force
autoreconf: running: /usr/bin/autoheader --include=m4 --force
autoreconf: running: automake --add-missing --copy --force-missing
configure.ac:116: installing 'build-aux/compile'
configure.ac:27: installing 'build-aux/missing'
Makefile.am: installing './INSTALL'
examples/Makefile.am: installing 'build-aux/depcomp'
parallel-tests: installing 'build-aux/test-driver'
autoreconf: Leaving directory `.'
./bootstrap: ln -fs ../.gnulib/build-aux/install-sh build-aux/install-sh
./bootstrap: ln -fs ../.gnulib/build-aux/depcomp build-aux/depcomp
./bootstrap: ln -fs ../.gnulib/build-aux/config.guess build-aux/config.guess
./bootstrap: ln -fs ../.gnulib/build-aux/config.sub build-aux/config.sub
./bootstrap: ln -fs .gnulib/doc/INSTALL INSTALL
./bootstrap: done. Now you can run './configure'.
I am going to run configure with no arguments - if you wish
to pass any to it, please specify them on the ./autogen.sh command line.
checking for a BSD-compatible install... /usr/bin/install -c
checking whether build environment is sane... yes
checking for a thread-safe mkdir -p... /usr/bin/mkdir -p
checking for gawk... gawk
checking whether make sets $(MAKE)... yes
checking whether make supports nested variables... yes
checking how to create a pax tar archive... gnutar
checking whether make supports nested variables... (cached) yes
checking build system type... x86_64-pc-linux-gnu
checking host system type... x86_64-pc-linux-gnu
checking for gcc... gcc
checking whether the C compiler works... yes
checking for C compiler default output file name... a.out
checking for suffix of executables...
checking whether we are cross compiling... no
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether gcc accepts -g... yes
checking for gcc option to accept ISO C89... none needed
checking whether gcc understands -c and -o together... yes
checking for style of include used by make... GNU
checking dependency style of gcc... gcc3
checking how to run the C preprocessor... gcc -E
checking for grep that handles long lines and -e... /usr/bin/grep
checking for egrep... /usr/bin/grep -E
checking for ANSI C header files... yes
checking for sys/types.h... yes
checking for sys/stat.h... yes
checking for stdlib.h... yes
checking for string.h... yes
checking for memory.h... yes
checking for strings.h... yes
checking for inttypes.h... yes
checking for stdint.h... yes
checking for unistd.h... yes
checking minix/config.h usability... no
checking minix/config.h presence... no
checking for minix/config.h... no
checking whether it is safe to define __EXTENSIONS__... yes
checking whether _XOPEN_SOURCE should be defined... no
checking for Minix Amsterdam compiler... no
checking for ar... ar
checking for ranlib... ranlib
checking for _LARGEFILE_SOURCE value needed for large files... no
checking for special C compiler options needed for large files... no
checking for _FILE_OFFSET_BITS value needed for large files... no
checking for gcc option to accept ISO C99... none needed
checking for gcc option to accept ISO Standard C... (cached) none needed
configure: autobuild project... libvirt
configure: autobuild revision... v2.1.0-rc1-6789-gd9528ced11
configure: autobuild hostname... patchew-fedora
configure: autobuild timestamp... 20180731T154545Z
checking sys/socket.h usability... yes
checking sys/socket.h presence... yes
checking for sys/socket.h... yes
checking arpa/inet.h usability... yes
checking arpa/inet.h presence... yes
checking for arpa/inet.h... yes
checking features.h usability... yes
checking features.h presence... yes
checking for features.h... yes
checking sys/param.h usability... yes
checking sys/param.h presence... yes
checking for sys/param.h... yes
checking for unistd.h... (cached) yes
checking execinfo.h usability... yes
checking execinfo.h presence... yes
checking for execinfo.h... yes
checking wctype.h usability... yes
checking wctype.h presence... yes
checking for wctype.h... yes
checking for sys/stat.h... (cached) yes
checking netdb.h usability... yes
checking netdb.h presence... yes
checking for netdb.h... yes
checking netinet/in.h usability... yes
checking netinet/in.h presence... yes
checking for netinet/in.h... yes
checking getopt.h usability... yes
checking getopt.h presence... yes
checking for getopt.h... yes
checking sys/cdefs.h usability... yes
checking sys/cdefs.h presence... yes
checking for sys/cdefs.h... yes
checking stdio_ext.h usability... yes
checking stdio_ext.h presence... yes
checking for stdio_ext.h... yes
checking termios.h usability... yes
checking termios.h presence... yes
checking for termios.h... yes
checking sys/time.h usability... yes
checking sys/time.h presence... yes
checking for sys/time.h... yes
checking grp.h usability... yes
checking grp.h presence... yes
checking for grp.h... yes
checking langinfo.h usability... yes
checking langinfo.h presence... yes
checking for langinfo.h... yes
checking limits.h usability... yes
checking limits.h presence... yes
checking for limits.h... yes
checking xlocale.h usability... yes
checking xlocale.h presence... yes
checking for xlocale.h... yes
checking sys/mman.h usability... yes
checking sys/mman.h presence... yes
checking for sys/mman.h... yes
checking pty.h usability... yes
checking pty.h presence... yes
checking for pty.h... yes
checking poll.h usability... yes
checking poll.h presence... yes
checking for poll.h... yes
checking sys/ioctl.h usability... yes
checking sys/ioctl.h presence... yes
checking for sys/ioctl.h... yes
checking sys/filio.h usability... no
checking sys/filio.h presence... no
checking for sys/filio.h... no
checking pthread.h usability... yes
checking pthread.h presence... yes
checking for pthread.h... yes
checking malloc.h usability... yes
checking malloc.h presence... yes
checking for malloc.h... yes
checking sys/select.h usability... yes
checking sys/select.h presence... yes
checking for sys/select.h... yes
checking wchar.h usability... yes
checking wchar.h presence... yes
checking for wchar.h... yes
checking for stdint.h... (cached) yes
checking for strings.h... (cached) yes
checking sys/uio.h usability... yes
checking sys/uio.h presence... yes
checking for sys/uio.h... yes
checking sys/utsname.h usability... yes
checking sys/utsname.h presence... yes
checking for sys/utsname.h... yes
checking sys/wait.h usability... yes
checking sys/wait.h presence... yes
checking for sys/wait.h... yes
checking crtdefs.h usability... no
checking crtdefs.h presence... no
checking for crtdefs.h... no
checking for inttypes.h... (cached) yes
checking math.h usability... yes
checking math.h presence... yes
checking for math.h... yes
checking for sys/types.h... (cached) yes
checking spawn.h usability... yes
checking spawn.h presence... yes
checking for spawn.h... yes
checking whether the preprocessor supports include_next... yes
checking whether system header files limit the line length... no
checking whether <sys/socket.h> is self-contained... yes
checking for shutdown... yes
checking whether <sys/socket.h> defines the SHUT_* macros... yes
checking for struct sockaddr_storage... yes
checking for sa_family_t... yes
checking for struct sockaddr_storage.ss_family... yes
checking for size_t... yes
checking for working alloca.h... yes
checking for alloca... yes
checking for C/C++ restrict keyword... __restrict
checking whether <wchar.h> uses 'inline' correctly... yes
checking for btowc... yes
checking for canonicalize_file_name... yes
checking for getcwd... yes
checking for readlink... yes
checking for realpath... yes
checking for readlinkat... yes
checking for chown... yes
checking for fchown... yes
checking for _set_invalid_parameter_handler... no
checking for fcntl... yes
checking for symlink... yes
checking for ffsl... yes
checking for isblank... yes
checking for iswctype... yes
checking for mbsrtowcs... yes
checking for mempcpy... yes
checking for wmemchr... yes
checking for wmemcpy... yes
checking for wmempcpy... yes
checking for fpurge... no
checking for __fpurge... yes
checking for __freading... yes
checking for fsync... yes
checking for getdelim... yes
checking for getdtablesize... yes
checking for __fsetlocking... yes
checking for gettimeofday... yes
checking for lstat... yes
checking for mbsinit... yes
checking for mbrtowc... yes
checking for mprotect... yes
checking for getgrouplist... yes
checking for mkostemp... yes
checking for mkostemps... yes
checking for tzset... yes
checking for nl_langinfo... yes
checking for recvmsg... yes
checking for sendmsg... yes
checking for strerror_r... yes
checking for __xpg_strerror_r... yes
checking for pipe... yes
checking for pipe2... yes
checking for posix_openpt... yes
checking for pthread_sigmask... no
checking for secure_getenv... yes
checking for getuid... yes
checking for geteuid... yes
checking for getgid... yes
checking for getegid... yes
checking for setenv... yes
checking for sigaction... yes
checking for sigaltstack... yes
checking for siginterrupt... yes
checking for sleep... yes
checking for snprintf... yes
checking for strdup... yes
checking for catgets... yes
checking for strndup... yes
checking for strptime... yes
checking for localtime_r... yes
checking for timegm... yes
checking for usleep... yes
checking for vasnprintf... no
checking for wcrtomb... yes
checking for iswcntrl... yes
checking for ftruncate... yes
checking for getprogname... no
checking for getexecname... no
checking for newlocale... yes
checking for socketpair... yes
checking for ptsname_r... yes
checking for shutdown... (cached) yes
checking for wctob... yes
checking for cfmakeraw... yes
checking for fallocate... yes
checking for getgrnam_r... yes
checking for getmntent_r... yes
checking for getpwuid_r... yes
checking for getrlimit... yes
checking for if_indextoname... yes
checking for kill... yes
checking for mmap... yes
checking for posix_fallocate... yes
checking for posix_memalign... yes
checking for prlimit... yes
checking for regexec... yes
checking for sched_getaffinity... yes
checking for setgroups... yes
checking for setns... yes
checking for setrlimit... yes
checking for sysctlbyname... no
checking for getifaddrs... yes
checking for sched_setscheduler... yes
checking for unshare... yes
checking for nl_langinfo and CODESET... yes
checking for a traditional french locale... fr_FR
checking whether malloc, realloc, calloc are POSIX compliant... yes
checking whether // is distinct from /... no
checking whether realpath works... yes
checking for uid_t in sys/types.h... yes
checking for unistd.h... (cached) yes
checking for working chown... yes
checking whether chown dereferences symlinks... yes
checking whether chown honors trailing slash... yes
checking whether chown always updates ctime... yes
checking for unsigned long long int... yes
checking if environ is properly declared... yes
checking for complete errno.h... yes
checking for working fcntl.h... yes
checking for pid_t... yes
checking for mode_t... yes
checking whether fdatasync is declared... yes
checking for mbstate_t... yes
checking whether stdin defaults to large file offsets... yes
checking whether fseeko is declared... yes
checking for fseeko... yes
checking whether fflush works on input streams... no
checking whether stat file-mode macros are broken... no
checking for nlink_t... yes
checking whether ftello is declared... yes
checking for ftello... yes
checking whether ftello works... yes
checking for library containing gethostbyname... none required
checking for gethostbyname... yes
checking for library containing getservbyname... none required
checking for getservbyname... yes
checking for library containing inet_ntop... none required
checking whether inet_ntop is declared... yes
checking for IPv4 sockets... yes
checking for IPv6 sockets... yes
checking whether getcwd (NULL, 0) allocates memory for result... yes
checking for getcwd with POSIX signature... yes
checking whether getdelim is declared... yes
checking whether getdtablesize is declared... yes
checking type of array argument to getgroups... gid_t
checking whether getline is declared... yes
checking whether getopt is POSIX compatible... yes
checking whether getpass is declared... yes
checking whether fflush_unlocked is declared... yes
checking whether flockfile is declared... yes
checking whether fputs_unlocked is declared... yes
checking whether funlockfile is declared... yes
checking whether putc_unlocked is declared... yes
checking for struct timeval... yes
checking for wide-enough struct timeval.tv_sec member... yes
checking host CPU and C ABI... x86_64
checking whether ldexp() can be used without linking with libm... yes
checking whether limits.h has ULLONG_WIDTH etc.... yes
checking for wchar_t... yes
checking for max_align_t... yes
checking whether NULL can be used in arbitrary expressions... yes
checking for ld used by gcc... /usr/bin/ld
checking if the linker (/usr/bin/ld) is GNU ld... yes
checking for shared library run path origin... done
checking for the common suffixes of directories in the library search path... lib64,lib64
checking whether imported symbols can be declared weak... yes
checking whether the linker supports --as-needed... yes
checking whether the linker supports --push-state... yes
checking for pthread.h... (cached) yes
checking for multithread API to use... posix
checking whether lstat correctly handles trailing slash... yes
checking for a sed that does not truncate output... /usr/bin/sed
checking for stdlib.h... (cached) yes
checking for GNU libc compatible malloc... yes
checking for long long int... yes
checking for a traditional japanese locale... ja_JP
checking for a transitional chinese locale... zh_CN.GB18030
checking for a french Unicode locale... fr_FR.UTF-8
checking for inline... inline
checking for mmap... (cached) yes
checking for MAP_ANONYMOUS... yes
checking whether memchr works... yes
checking whether time_t is signed... yes
checking whether alarm is declared... yes
checking for working mktime... yes
checking whether C symbols are prefixed with underscore at the linker level... no
checking for O_CLOEXEC... yes
checking for promoted mode_t type... mode_t
checking for library containing forkpty... -lutil
checking whether strerror(0) succeeds... yes
checking for strerror_r with POSIX signature... no
checking whether __xpg_strerror_r works... yes
checking whether strerror_r is declared... yes
checking for external symbol _system_configuration... no
checking for library containing setsockopt... none needed
checking for sigset_t... yes
checking for SIGPIPE... yes
checking whether we are using the GNU C Library >= 2.1 or uClibc... yes
checking whether <sys/select.h> is self-contained... yes
checking whether setenv is declared... yes
checking search.h usability... yes
checking search.h presence... yes
checking for search.h... yes
checking for tsearch... yes
checking whether snprintf returns a byte count as in C99... yes
checking whether snprintf is declared... yes
checking for stdbool.h that conforms to C99... yes
checking for _Bool... yes
checking for wint_t... yes
checking whether wint_t is too small... no
checking whether stdint.h conforms to C99... yes
checking whether stdint.h predates C++11... no
checking whether stdint.h has UINTMAX_WIDTH etc.... yes
checking whether strdup is declared... yes
checking whether strndup is declared... yes
checking whether strnlen is declared... yes
checking for struct tm.tm_gmtoff... yes
checking whether strtok_r is declared... yes
checking for struct timespec in <time.h>... yes
checking whether ttyname_r is declared... yes
checking whether unsetenv is declared... yes
checking for inttypes.h... yes
checking for stdint.h... yes
checking for intmax_t... yes
checking where to find the exponent in a 'double'... word 1 bit 20
checking for snprintf... (cached) yes
checking for strnlen... yes
checking for wcslen... yes
checking for wcsnlen... yes
checking for mbrtowc... (cached) yes
checking for wcrtomb... (cached) yes
checking whether _snprintf is declared... no
checking whether vsnprintf is declared... yes
checking whether strerror_r is declared... (cached) yes
checking for strerror_r... (cached) yes
checking whether strerror_r returns char *... yes
checking for sig_atomic_t... yes
checking whether ungetc works on arbitrary bytes... yes
checking for inttypes.h... (cached) yes
checking whether the inttypes.h PRIxNN macros are broken... no
checking where to find the exponent in a 'float'... word 0 bit 23
checking whether byte ordering is bigendian... no
checking whether long double and double are the same... no
checking for LC_MESSAGES... yes
checking for CFPreferencesCopyAppValue... no
checking for CFLocaleCopyCurrent... no
checking for library containing posix_spawn... none required
checking for posix_spawn... yes
checking whether posix_spawn works... yes
checking whether posix_spawnattr_setschedpolicy is supported... yes
checking whether posix_spawnattr_setschedparam is supported... yes
checking sys/mkdev.h usability... no
checking sys/mkdev.h presence... no
checking for sys/mkdev.h... no
checking sys/sysmacros.h usability... yes
checking sys/sysmacros.h presence... yes
checking for sys/sysmacros.h... yes
checking for alloca as a compiler built-in... yes
checking whether btowc(0) is correct... yes
checking whether btowc(EOF) is correct... yes
checking for __builtin_expect... yes
checking byteswap.h usability... yes
checking byteswap.h presence... yes
checking for byteswap.h... yes
checking for library containing clock_gettime... none required
checking for clock_gettime... yes
checking for clock_settime... yes
checking whether // is distinct from /... (cached) no
checking whether dup2 works... yes
checking for library containing backtrace_symbols_fd... none required
checking whether fflush works on input streams... (cached) no
checking whether fcntl handles F_DUPFD correctly... yes
checking whether fcntl understands F_DUPFD_CLOEXEC... needs runtime check
checking for library containing fdatasync... none required
checking whether fflush works on input streams... (cached) no
checking for ffs... yes
checking for flexible array member... yes
checking whether conversion from 'int' to 'long double' works... yes
checking for working POSIX fnmatch... yes
checking whether fpurge is declared... no
checking for fseeko... (cached) yes
checking whether fflush works on input streams... (cached) no
checking for _fseeki64... no
checking for ftello... (cached) yes
checking whether ftello works... (cached) yes
checking whether __func__ is available... yes
checking how to do getaddrinfo, freeaddrinfo and getnameinfo... checking for library containing getaddrinfo... none required
checking for getaddrinfo... yes
checking whether gai_strerror is declared... yes
checking whether gai_strerrorA is declared... no
checking for gai_strerror with POSIX signature... yes
checking for struct sockaddr.sa_len... no
checking whether getaddrinfo is declared... yes
checking whether freeaddrinfo is declared... yes
checking whether getnameinfo is declared... yes
checking for struct addrinfo... yes
checking for working getdelim function... yes
checking whether getdtablesize works... yes
checking for getgroups... yes
checking for working getgroups... yes
checking whether getgroups handles negative values... yes
checking for gethostname... yes
checking for HOST_NAME_MAX... yes
checking for getline... yes
checking for working getline function... yes
checking for getpass... yes
checking whether gettimeofday clobbers localtime buffer... no
checking for gettimeofday with POSIX signature... almost
checking for library containing gethostbyname... (cached) none required
checking for gethostbyname... (cached) yes
checking for library containing inet_ntop... (cached) none required
checking whether inet_ntop is declared... (cached) yes
checking for library containing inet_pton... none required
checking whether inet_pton is declared... yes
checking for ioctl... yes
checking for ioctl with POSIX signature... no
checking whether langinfo.h defines CODESET... yes
checking whether langinfo.h defines T_FMT_AMPM... yes
checking whether langinfo.h defines ALTMON_1... no
checking whether langinfo.h defines ERA... yes
checking whether langinfo.h defines YESEXPR... yes
checking whether locale.h conforms to POSIX:2001... yes
checking whether locale.h defines locale_t... yes
checking whether struct lconv is properly defined... yes
checking for pthread_rwlock_t... yes
checking whether pthread_rwlock_rdlock prefers a writer to a reader... no
checking whether lseek detects pipes... yes
checking whether mbrtowc handles incomplete characters... yes
checking whether mbrtowc works as well as mbtowc... yes
checking whether mbrtowc handles a NULL pwc argument... yes
checking whether mbrtowc handles a NULL string argument... yes
checking whether mbrtowc has a correct return value... yes
checking whether mbrtowc returns 0 when parsing a NUL character... yes
checking whether mbrtowc works on empty input... yes
checking whether the C locale is free of encoding errors... no
checking whether mbrtowc handles incomplete characters... (cached) yes
checking whether mbrtowc works as well as mbtowc... (cached) yes
checking whether mbrtowc handles incomplete characters... (cached) yes
checking whether mbrtowc works as well as mbtowc... (cached) yes
checking whether mbsrtowcs works... yes
checking for mkdtemp... yes
checking for __mktime_internal... no
checking whether <net/if.h> is self-contained... yes
checking whether <netinet/in.h> is self-contained... yes
checking whether YESEXPR works... yes
checking whether open recognizes a trailing slash... yes
checking whether openpty is declared... yes
checking for const-safe openpty signature... yes
checking for struct msghdr.msg_accrights... no
checking whether perror matches strerror... yes
checking for sys/pstat.h... no
checking for sys/sysmp.h... no
checking for sys/sysinfo.h... yes
checking for machine/hal_sysinfo.h... no
checking for sys/table.h... no
checking for sys/param.h... (cached) yes
checking for sys/systemcfg.h... no
checking for sys/sysctl.h... yes
checking for pstat_getstatic... no
checking for pstat_getdynamic... no
checking for sysmp... no
checking for getsysinfo... no
checking for sysctl... yes
checking for table... no
checking for sysinfo... yes
checking for struct sysinfo.mem_unit... yes
checking for poll... yes
checking for a shell that conforms to POSIX... /bin/sh
checking whether <pthread.h> pollutes the namespace... no
checking for pthread_t... yes
checking for pthread_spinlock_t... yes
checking for library containing pthread_create and pthread_join... -pthread
checking for pthread_sigmask in -pthread -Wl,--push-state -Wl,--no-as-needed -lpthread -Wl,--pop-state... yes
checking whether pthread_sigmask is only a macro... no
checking whether pthread_sigmask returns error numbers... yes
checking whether pthread_sigmask unblocks signals correctly... guessing yes
checking for raise... yes
checking for sigprocmask... yes
checking for rawmemchr... yes
checking whether readlink signature is correct... yes
checking whether readlink handles trailing slash correctly... yes
checking for working re_compile_pattern... yes
checking whether select supports a 0 argument... yes
checking whether select detects invalid fds... yes
checking for library containing getservbyname... (cached) none required
checking for getservbyname... (cached) yes
checking whether setenv validates arguments... yes
checking for struct sigaction.sa_sigaction... yes
checking for volatile sig_atomic_t... yes
checking for sighandler_t... yes
checking for sigprocmask... (cached) yes
checking for stdint.h... (cached) yes
checking for SIZE_MAX... yes
checking whether sleep is declared... yes
checking for working sleep... yes
checking for snprintf... (cached) yes
checking whether snprintf respects a size of 1... yes
checking whether printf supports POSIX/XSI format strings with positions... yes
checking for socklen_t... yes
checking for ssize_t... yes
checking whether stat handles trailing slashes on files... yes
checking for struct stat.st_atim.tv_nsec... yes
checking whether struct stat.st_atim is of type struct timespec... yes
checking for struct stat.st_birthtimespec.tv_nsec... no
checking for struct stat.st_birthtimensec... no
checking for struct stat.st_birthtim.tv_nsec... no
checking for working stdalign.h... yes
checking for va_copy... yes
checking for max_align_t... (cached) yes
checking whether NULL can be used in arbitrary expressions... (cached) yes
checking which flavor of printf attribute matches inttypes macros... system
checking for stpcpy... yes
checking for strcasecmp... yes
checking for strncasecmp... yes
checking whether strncasecmp is declared... yes
checking for strchrnul... yes
checking whether strchrnul works... yes
checking for working strerror function... yes
checking for working strndup... yes
checking for working strnlen... yes
checking for strsep... yes
checking for strtok_r... yes
checking whether strtok_r works... yes
checking whether <sys/ioctl.h> declares ioctl... yes
checking for nlink_t... (cached) yes
checking for struct utsname... yes
checking whether localtime_r is declared... yes
checking whether localtime_r is compatible with its POSIX signature... yes
checking for ttyname_r... yes
checking whether ttyname_r is compatible with its POSIX signature... yes
checking whether ttyname_r works with small buffers... guessing yes
checking for uname... yes
checking for unsetenv... yes
checking for unsetenv() return type... int
checking whether unsetenv obeys POSIX... yes
checking for useconds_t... yes
checking whether usleep allows large arguments... yes
checking for ptrdiff_t... yes
checking for vasprintf... yes
checking for vsnprintf... yes
checking whether snprintf respects a size of 1... (cached) yes
checking whether printf supports POSIX/XSI format strings with positions... (cached) yes
checking whether mbrtowc handles incomplete characters... (cached) yes
checking whether mbrtowc works as well as mbtowc... (cached) yes
checking whether wcrtomb return value is correct... yes
checking whether iswcntrl works... yes
checking for towlower... yes
checking for wctype_t... yes
checking for wctrans_t... yes
checking for stdint.h... (cached) yes
checking for a traditional french locale... (cached) fr_FR
checking for a french Unicode locale... (cached) fr_FR.UTF-8
checking for a traditional french locale... (cached) fr_FR
checking for a turkish Unicode locale... tr_TR.UTF-8
checking whether dup works... yes
checking for error_at_line... yes
checking whether fdopen sets errno... yes
checking for getpagesize... yes
checking whether getpagesize is declared... yes
checking whether program_invocation_name is declared... yes
checking whether program_invocation_short_name is declared... yes
checking whether __argv is declared... no
checking for grantpt... yes
checking whether byte ordering is bigendian... (cached) no
checking whether byte ordering is bigendian... (cached) no
checking whether INT32_MAX < INTMAX_MAX... yes
checking whether INT64_MAX == LONG_MAX... yes
checking whether UINT32_MAX < UINTMAX_MAX... yes
checking whether UINT64_MAX == ULONG_MAX... yes
checking whether isnan(double) can be used without linking with libm... yes
checking where to find the exponent in a 'double'... (cached) word 1 bit 20
checking whether isnan(float) can be used without linking with libm... yes
checking whether isnan(float) works... yes
checking where to find the exponent in a 'float'... (cached) word 0 bit 23
checking whether isnan(long double) can be used without linking with libm... yes
checking whether isnanl works... yes
checking where to find the exponent in a 'long double'... word 2 bit 0
checking for setlocale... yes
checking for uselocale... yes
checking for getlocalename_l... no
checking whether NAN macro works... yes
checking whether HUGE_VAL works... yes
checking for a traditional french locale... (cached) fr_FR
checking for a french Unicode locale... (cached) fr_FR.UTF-8
checking for a traditional japanese locale... (cached) ja_JP
checking for a transitional chinese locale... (cached) zh_CN.GB18030
checking for a french Unicode locale... (cached) fr_FR.UTF-8
checking for a traditional french locale... (cached) fr_FR
checking for a french Unicode locale... (cached) fr_FR.UTF-8
checking for a traditional japanese locale... (cached) ja_JP
checking for a transitional chinese locale... (cached) zh_CN.GB18030
checking for mmap... (cached) yes
checking for MAP_ANONYMOUS... yes
checking for library containing nanosleep... none required
checking for working nanosleep... no (mishandles large arguments)
checking for library containing if_nameindex... none required
checking for a traditional french locale... (cached) fr_FR
checking for a french Unicode locale... (cached) fr_FR.UTF-8
checking whether posix_spawn_file_actions_addclose works... yes
checking whether posix_spawn_file_actions_adddup2 works... yes
checking whether posix_spawn_file_actions_addopen works... yes
checking for ptsname... yes
checking whether ptsname sets errno on failure... yes
checking whether ptsname_r has the same signature as in glibc... yes
checking for putenv compatible with GNU and SVID... yes
checking for mmap... (cached) yes
checking for MAP_ANONYMOUS... yes
checking for a traditional french locale... (cached) fr_FR
checking for a french Unicode locale... (cached) fr_FR.UTF-8
checking for a traditional japanese locale... (cached) ja_JP
checking for a transitional chinese locale... (cached) zh_CN.GB18030
checking for signbit macro... yes
checking for signbit compiler built-ins... yes
checking for posix_spawnattr_t... yes
checking for posix_spawn_file_actions_t... yes
checking for mmap... (cached) yes
checking for MAP_ANONYMOUS... yes
checking whether symlink handles trailing slash correctly... yes
checking for pthread_atfork... yes
checking for unlockpt... yes
checking for waitid... yes
checking for a traditional french locale... (cached) fr_FR
checking for a french Unicode locale... (cached) fr_FR.UTF-8
checking for a traditional japanese locale... (cached) ja_JP
checking for a transitional chinese locale... (cached) zh_CN.GB18030
checking whether wctob works... yes
checking whether wctob is declared... yes
checking for uid_t in sys/types.h... (cached) yes
checking for sys/mkdev.h... (cached) no
checking for sys/sysmacros.h... (cached) yes
checking how to print strings... printf
checking for a sed that does not truncate output... (cached) /usr/bin/sed
checking for fgrep... /usr/bin/grep -F
checking for ld used by gcc... /usr/bin/ld
checking if the linker (/usr/bin/ld) is GNU ld... yes
checking for BSD- or MS-compatible name lister (nm)... /usr/bin/nm -B
checking the name lister (/usr/bin/nm -B) interface... BSD nm
checking whether ln -s works... yes
checking the maximum length of command line arguments... 1572864
checking how to convert x86_64-pc-linux-gnu file names to x86_64-pc-linux-gnu format... func_convert_file_noop
checking how to convert x86_64-pc-linux-gnu file names to toolchain format... func_convert_file_noop
checking for /usr/bin/ld option to reload object files... -r
checking for objdump... objdump
checking how to recognize dependent libraries... pass_all
checking for dlltool... dlltool
checking how to associate runtime and link libraries... printf %s\n
checking for archiver @FILE support... @
checking for strip... strip
checking for ranlib... (cached) ranlib
checking command to parse /usr/bin/nm -B output from gcc object... ok
checking for sysroot... no
checking for a working dd... /usr/bin/dd
checking how to truncate binary pipes... /usr/bin/dd bs=4096 count=1
checking for mt... no
checking if : is a manifest tool... no
checking for dlfcn.h... yes
checking for objdir... .libs
checking if gcc supports -fno-rtti -fno-exceptions... no
checking for gcc option to produce PIC... -fPIC -DPIC
checking if gcc PIC flag -fPIC -DPIC works... yes
checking if gcc static flag -static works... no
checking if gcc supports -c -o file.o... yes
checking if gcc supports -c -o file.o... (cached) yes
checking whether the gcc linker (/usr/bin/ld -m elf_x86_64) supports shared libraries... yes
checking whether -lc should be explicitly linked in... no
checking dynamic linker characteristics... GNU/Linux ld.so
checking how to hardcode library paths into programs... immediate
checking whether stripping libraries is possible... yes
checking if libtool supports shared libraries... yes
checking whether to build shared libraries... yes
checking whether to build static libraries... no
checking for ld used by gcc... (cached) /usr/bin/ld
checking if the linker (/usr/bin/ld) is GNU ld... (cached) yes
checking for how to mark DSO non-deletable at runtime... -Wl,-z -Wl,nodelete
checking for how to set DSO symbol versions... -Wl,--version-script=
checking whether C compiler handles -Werror -Wunknown-warning-option... no
checking whether the C compiler's -Wformat allows NULL strings... yes
checking whether pragma GCC diagnostic push works... yes
checking whether the C compiler's -Wlogical-op gives bogus warnings... no
checking whether gcc gives bogus warnings for -Wlogical-op... yes
checking whether clang gives bogus warnings for -Wdouble-promotion... no
checking whether -Wno-missing-field-initializers is supported... yes
checking whether -Wno-missing-field-initializers is needed... no
checking whether -Wuninitialized is supported... yes
checking max safe object size... 9223372036854775807
checking whether C compiler handles -Wframe-larger-than=4096... yes
checking whether C compiler handles -Wframe-larger-than=32768... yes
checking whether C compiler handles -fno-common... yes
checking whether C compiler handles -W... yes
checking whether C compiler handles -Waddress... yes
checking whether C compiler handles -Waggressive-loop-optimizations... yes
checking whether C compiler handles -Wall... yes
checking whether C compiler handles -Wattribute-alias... no
checking whether C compiler handles -Wattributes... yes
checking whether C compiler handles -Wbad-function-cast... yes
checking whether C compiler handles -Wbool-compare... yes
checking whether C compiler handles -Wbool-operation... yes
checking whether C compiler handles -Wbuiltin-declaration-mismatch... yes
checking whether C compiler handles -Wbuiltin-macro-redefined... yes
checking whether C compiler handles -Wcast-align... yes
checking whether C compiler handles -Wcast-align=strict... no
checking whether C compiler handles -Wcast-function-type... no
checking whether C compiler handles -Wchar-subscripts... yes
checking whether C compiler handles -Wclobbered... yes
checking whether C compiler handles -Wcomment... yes
checking whether C compiler handles -Wcomments... yes
checking whether C compiler handles -Wcoverage-mismatch... yes
checking whether C compiler handles -Wcpp... yes
checking whether C compiler handles -Wdangling-else... yes
checking whether C compiler handles -Wdate-time... yes
checking whether C compiler handles -Wdeprecated-declarations... yes
checking whether C compiler handles -Wdesignated-init... yes
checking whether C compiler handles -Wdiscarded-array-qualifiers... yes
checking whether C compiler handles -Wdiscarded-qualifiers... yes
checking whether C compiler handles -Wdiv-by-zero... yes
checking whether C compiler handles -Wdouble-promotion... yes
checking whether C compiler handles -Wduplicated-cond... yes
checking whether C compiler handles -Wduplicate-decl-specifier... yes
checking whether C compiler handles -Wempty-body... yes
checking whether C compiler handles -Wendif-labels... yes
checking whether C compiler handles -Wexpansion-to-defined... yes
checking whether C compiler handles -Wextra... yes
checking whether C compiler handles -Wformat-contains-nul... yes
checking whether C compiler handles -Wformat-extra-args... yes
checking whether C compiler handles -Wformat-security... yes
checking whether C compiler handles -Wformat-y2k... yes
checking whether C compiler handles -Wformat-zero-length... yes
checking whether C compiler handles -Wframe-address... yes
checking whether C compiler handles -Wfree-nonheap-object... yes
checking whether C compiler handles -Whsa... yes
checking whether C compiler handles -Wif-not-aligned... no
checking whether C compiler handles -Wignored-attributes... yes
checking whether C compiler handles -Wignored-qualifiers... yes
checking whether C compiler handles -Wimplicit... yes
checking whether C compiler handles -Wimplicit-function-declaration... yes
checking whether C compiler handles -Wimplicit-int... yes
checking whether C compiler handles -Wincompatible-pointer-types... yes
checking whether C compiler handles -Winit-self... yes
checking whether C compiler handles -Winline... yes
checking whether C compiler handles -Wint-conversion... yes
checking whether C compiler handles -Wint-in-bool-context... yes
checking whether C compiler handles -Wint-to-pointer-cast... yes
checking whether C compiler handles -Winvalid-memory-model... yes
checking whether C compiler handles -Winvalid-pch... yes
checking whether C compiler handles -Wlogical-not-parentheses... yes
checking whether C compiler handles -Wlogical-op... yes
checking whether C compiler handles -Wmain... yes
checking whether C compiler handles -Wmaybe-uninitialized... yes
checking whether C compiler handles -Wmemset-elt-size... yes
checking whether C compiler handles -Wmemset-transposed-args... yes
checking whether C compiler handles -Wmisleading-indentation... yes
checking whether C compiler handles -Wmissing-attributes... no
checking whether C compiler handles -Wmissing-braces... yes
checking whether C compiler handles -Wmissing-declarations... yes
checking whether C compiler handles -Wmissing-field-initializers... yes
checking whether C compiler handles -Wmissing-include-dirs... yes
checking whether C compiler handles -Wmissing-parameter-type... yes
checking whether C compiler handles -Wmissing-prototypes... yes
checking whether C compiler handles -Wmultichar... yes
checking whether C compiler handles -Wmultistatement-macros... no
checking whether C compiler handles -Wnarrowing... yes
checking whether C compiler handles -Wnested-externs... yes
checking whether C compiler handles -Wnonnull... yes
checking whether C compiler handles -Wnonnull-compare... yes
checking whether C compiler handles -Wnull-dereference... yes
checking whether C compiler handles -Wodr... yes
checking whether C compiler handles -Wold-style-declaration... yes
checking whether C compiler handles -Wold-style-definition... yes
checking whether C compiler handles -Wopenmp-simd... yes
checking whether C compiler handles -Woverflow... yes
checking whether C compiler handles -Woverride-init... yes
checking whether C compiler handles -Wpacked-bitfield-compat... yes
checking whether C compiler handles -Wpacked-not-aligned... no
checking whether C compiler handles -Wparentheses... yes
checking whether C compiler handles -Wpointer-arith... yes
checking whether C compiler handles -Wpointer-compare... yes
checking whether C compiler handles -Wpointer-sign... yes
checking whether C compiler handles -Wpointer-to-int-cast... yes
checking whether C compiler handles -Wpragmas... yes
checking whether C compiler handles -Wpsabi... yes
checking whether C compiler handles -Wrestrict... yes
checking whether C compiler handles -Wreturn-local-addr... yes
checking whether C compiler handles -Wreturn-type... yes
checking whether C compiler handles -Wscalar-storage-order... yes
checking whether C compiler handles -Wsequence-point... yes
checking whether C compiler handles -Wshadow... yes
checking whether C compiler handles -Wshift-count-negative... yes
checking whether C compiler handles -Wshift-count-overflow... yes
checking whether C compiler handles -Wshift-negative-value... yes
checking whether C compiler handles -Wsizeof-array-argument... yes
checking whether C compiler handles -Wsizeof-pointer-div... no
checking whether C compiler handles -Wsizeof-pointer-memaccess... yes
checking whether C compiler handles -Wstrict-aliasing... yes
checking whether C compiler handles -Wstrict-prototypes... yes
checking whether C compiler handles -Wstringop-truncation... no
checking whether C compiler handles -Wsuggest-attribute=cold... no
checking whether C compiler handles -Wsuggest-attribute=const... yes
checking whether C compiler handles -Wsuggest-attribute=format... yes
checking whether C compiler handles -Wsuggest-attribute=malloc... no
checking whether C compiler handles -Wsuggest-attribute=noreturn... yes
checking whether C compiler handles -Wsuggest-attribute=pure... yes
checking whether C compiler handles -Wsuggest-final-methods... yes
checking whether C compiler handles -Wsuggest-final-types... yes
checking whether C compiler handles -Wswitch... yes
checking whether C compiler handles -Wswitch-bool... yes
checking whether C compiler handles -Wswitch-unreachable... yes
checking whether C compiler handles -Wsync-nand... yes
checking whether C compiler handles -Wtautological-compare... yes
checking whether C compiler handles -Wtrampolines... yes
checking whether C compiler handles -Wtrigraphs... yes
checking whether C compiler handles -Wtype-limits... yes
checking whether C compiler handles -Wuninitialized... yes
checking whether C compiler handles -Wunknown-pragmas... yes
checking whether C compiler handles -Wunused... yes
checking whether C compiler handles -Wunused-but-set-parameter... yes
checking whether C compiler handles -Wunused-but-set-variable... yes
checking whether C compiler handles -Wunused-function... yes
checking whether C compiler handles -Wunused-label... yes
checking whether C compiler handles -Wunused-local-typedefs... yes
checking whether C compiler handles -Wunused-parameter... yes
checking whether C compiler handles -Wunused-result... yes
checking whether C compiler handles -Wunused-value... yes
checking whether C compiler handles -Wunused-variable... yes
checking whether C compiler handles -Wvarargs... yes
checking whether C compiler handles -Wvariadic-macros... yes
checking whether C compiler handles -Wvector-operation-performance... yes
checking whether C compiler handles -Wvolatile-register-var... yes
checking whether C compiler handles -Wwrite-strings... yes
checking whether C compiler handles -Walloc-size-larger-than=9223372036854775807... yes
checking whether C compiler handles -Warray-bounds=2... yes
checking whether C compiler handles -Wformat-overflow=2... yes
checking whether C compiler handles -Wformat-truncation=2... yes
checking whether C compiler handles -Wimplicit-fallthrough=5... yes
checking whether C compiler handles -Wnormalized=nfc... yes
checking whether C compiler handles -Wshift-overflow=2... yes
checking whether C compiler handles -Wstringop-overflow=2... yes
checking whether C compiler handles -Wunused-const-variable=2... yes
checking whether C compiler handles -Wvla-larger-than=4031... yes
checking whether C compiler handles -Wno-sign-compare... yes
checking whether C compiler handles -Wno-cast-function-type... no
checking whether C compiler handles -Wjump-misses-init... yes
checking whether C compiler handles -Wswitch-enum... yes
checking whether C compiler handles -Wno-format-nonliteral... yes
checking whether C compiler handles -Wno-format-truncation... yes
checking whether C compiler handles -fstack-protector-strong... yes
checking whether C compiler handles -fexceptions... yes
checking whether C compiler handles -fasynchronous-unwind-tables... yes
checking whether C compiler handles -fipa-pure-const... yes
checking whether C compiler handles -Wno-suggest-attribute=pure... yes
checking whether C compiler handles -Wno-suggest-attribute=const... yes
checking whether C compiler handles -Werror... yes
checking whether C compiler handles -fPIE -DPIE -pie... yes
checking for how to force completely read-only GOT table... -Wl,-z -Wl,relro -Wl,-z -Wl,now
checking for how to avoid indirect lib deps... -Wl,--no-copy-dt-needed-entries
checking for how to stop undefined symbols at link time... -Wl,-z -Wl,defs
checking sys/acl.h usability... yes
checking sys/acl.h presence... yes
checking for sys/acl.h... yes
checking for aa_change_profile in -lapparmor... no
checking for pthread_mutexattr_init... yes
checking for pthread.h... (cached) yes
checking whether pthread_sigmask does anything... yes
checking for atomic ops implementation... gcc
checking for getxattr in -lattr... yes
checking attr/xattr.h usability... yes
checking attr/xattr.h presence... yes
checking for attr/xattr.h... yes
checking for audit_encode_nv_string in -laudit... yes
checking libaudit.h usability... yes
checking libaudit.h presence... yes
checking for libaudit.h... yes
checking for pkg-config... /usr/bin/pkg-config
checking pkg-config is at least version 0.9.0... yes
checking for AVAHI... yes
checking for library containing tgetent... -lncurses
checking whether rl_completion_quote_character is declared... yes
checking for readline in -lreadline... yes
checking readline/readline.h usability... yes
checking readline/readline.h presence... yes
checking for readline/readline.h... yes
checking for rl_initialize in -lreadline... yes
checking for BASH_COMPLETION... no
checking for BLKID... yes
checking for capng_updatev in -lcap-ng... yes
checking cap-ng.h usability... yes
checking cap-ng.h presence... yes
checking for cap-ng.h... yes
checking for CURL... yes
checking for DBUS... yes
checking for dbus_watch_get_unix_fd... yes
checking for DBusBasicValue... yes
checking for DEVMAPPER... yes
checking for dlfcn.h... (cached) yes
checking for library containing dlopen... -ldl
checking for FUSE... yes
checking for GLUSTERFS... yes
checking for GNUTLS... yes
checking for HAL... no
checking for JANSSON... no
checking for STABLE_ORDERING_JANSSON... no
checking for NETCF... yes
checking for ncf_change_begin... yes
checking whether to compile with macvtap support... yes
checking whether MACVLAN_MODE_PASSTHRU is declared... yes
checking for LIBNL... yes
checking for LIBNL_ROUTE3... yes
checking for LIBPARTED... yes
checking for parted... /sbin/parted
checking libpcap pcap-config >= 1.0.0 ... yes
checking for LIBSSH... yes
checking for ssh_get_server_publickey... no
checking for LIBXML... yes
checking for struct _xmlURI.query_raw... yes
checking whether to compile with macvtap support... yes
checking whether MACVLAN_MODE_PASSTHRU is declared... (cached) yes
checking for NETCF... yes
checking for ncf_change_begin... (cached) yes
checking for gettext... yes
checking libintl.h usability... yes
checking libintl.h presence... yes
checking for libintl.h... yes
checking for xgettext... xgettext
checking for msgfmt... msgfmt
checking for msgmerge... msgmerge
checking msgfmt is GNU tool... yes
checking for numa_available in -lnuma... yes
checking numa.h usability... yes
checking numa.h presence... yes
checking for numa.h... yes
checking for numa_bitmask_isbitset in -lnuma... yes
checking for OPENWSMAN... yes
checking for PCIACCESS... yes
checking for init script type... systemd
checking for pkcheck... /usr/bin/pkcheck
checking for pthread_mutexattr_init... (cached) yes
checking for pthread.h... (cached) yes
checking whether pthread_sigmask does anything... (cached) yes
checking for library containing tgetent... (cached) -lncurses
checking whether rl_completion_quote_character is declared... (cached) yes
checking for readline in -lreadline... (cached) yes
checking for readline/readline.h... (cached) yes
checking for rl_initialize in -lreadline... (cached) yes
checking for sanlock_init in -lsanlock_client... yes
checking sanlock.h usability... yes
checking sanlock.h presence... yes
checking for sanlock.h... yes
checking whether SANLK_INQ_WAIT is declared... yes
checking for sanlock_killpath in -lsanlock_client... yes
checking for sanlock_inq_lockspace in -lsanlock_client... yes
checking for sanlock_write_lockspace in -lsanlock_client... yes
checking for sanlock_strerror in -lsanlock_client... yes
checking for sasl_client_init in -lsasl2... yes
checking sasl/sasl.h usability... yes
checking sasl/sasl.h presence... yes
checking for sasl/sasl.h... yes
checking for fgetfilecon_raw in -lselinux... yes
checking selinux/selinux.h usability... yes
checking selinux/selinux.h presence... yes
checking for selinux/selinux.h... yes
checking for selinux setcon parameter type... const
checking for selinux selabel_open parameter type... const
checking SELinux mount point... /selinux
checking selinux/label.h usability... yes
checking selinux/label.h presence... yes
checking for selinux/label.h... yes
checking for SSH2... yes
checking for UDEV... yes
checking for udev_monitor_set_receive_buffer_size... yes
checking whether to compile with virtual port support... yes
checking for WIRESHARK_DISSECTOR... yes
checking for xdrmem_create in -lportablexdr... no
checking for library containing xdrmem_create... none required
checking for xdr_u_int64_t... no
checking where to find <rpc/rpc.h>... none
checking size of long... 8
checking pwd.h usability... yes
checking pwd.h presence... yes
checking for pwd.h... yes
checking regex.h usability... yes
checking regex.h presence... yes
checking for regex.h... yes
checking sys/un.h usability... yes
checking sys/un.h presence... yes
checking for sys/un.h... yes
checking sys/poll.h usability... yes
checking sys/poll.h presence... yes
checking for sys/poll.h... yes
checking syslog.h usability... yes
checking syslog.h presence... yes
checking for syslog.h... yes
checking mntent.h usability... yes
checking mntent.h presence... yes
checking for mntent.h... yes
checking net/ethernet.h usability... yes
checking net/ethernet.h presence... yes
checking for net/ethernet.h... yes
checking linux/magic.h usability... yes
checking linux/magic.h presence... yes
checking for linux/magic.h... yes
checking for sys/un.h... (cached) yes
checking sys/syscall.h usability... yes
checking sys/syscall.h presence... yes
checking for sys/syscall.h... yes
checking for sys/sysctl.h... (cached) yes
checking netinet/tcp.h usability... yes
checking netinet/tcp.h presence... yes
checking for netinet/tcp.h... yes
checking ifaddrs.h usability... yes
checking ifaddrs.h presence... yes
checking for ifaddrs.h... yes
checking libtasn1.h usability... yes
checking libtasn1.h presence... yes
checking for libtasn1.h... yes
checking sys/ucred.h usability... no
checking sys/ucred.h presence... no
checking for sys/ucred.h... no
checking sys/mount.h usability... yes
checking sys/mount.h presence... yes
checking for sys/mount.h... yes
checking stdarg.h usability... yes
checking stdarg.h presence... yes
checking for stdarg.h... yes
checking whether htole64 is declared... yes
checking for stat... yes
checking for stat64... yes
checking for __xstat... yes
checking for __xstat64... yes
checking for lstat... (cached) yes
checking for lstat64... yes
checking for __lxstat... yes
checking for __lxstat64... yes
checking for struct ifreq... yes
checking for struct sockpeercred... no
checking whether ETH_FLAG_TXVLAN is declared... yes
checking whether ETH_FLAG_NTUPLE is declared... yes
checking whether ETH_FLAG_RXHASH is declared... yes
checking whether ETH_FLAG_LRO is declared... yes
checking whether ETHTOOL_GGSO is declared... yes
checking whether ETHTOOL_GGRO is declared... yes
checking whether ETHTOOL_GFLAGS is declared... yes
checking whether ETHTOOL_GFEATURES is declared... yes
checking whether ETHTOOL_SCOALESCE is declared... yes
checking whether ETHTOOL_GCOALESCE is declared... yes
checking whether SEEK_HOLE is declared... yes
checking for gettext in -lintl... no
checking for rpcgen... /usr/bin/rpcgen
checking for xmllint... /usr/bin/xmllint
checking for xsltproc... /usr/bin/xsltproc
checking for augparse... /usr/bin/augparse
checking whether ln -s works... yes
checking for dmidecode... dmidecode
checking for dnsmasq... /sbin/dnsmasq
checking for radvd... /sbin/radvd
checking for tc... tc
checking for udevadm... /usr/bin/udevadm
checking for udevsettle... no
checking for modprobe... /sbin/modprobe
checking for rmmod... /sbin/rmmod
checking for mm-ctl... mm-ctl
checking for ovs-vsctl... ovs-vsctl
checking for scrub... /usr/bin/scrub
checking for addr2line... /usr/bin/addr2line
checking for ip... /sbin/ip
checking for iptables... /sbin/iptables
checking for ip6tables... /sbin/ip6tables
checking for ebtables... /sbin/ebtables
checking for qemu-bridge-helper... /usr/libexec/qemu-bridge-helper
checking for qemu-pr-helper... /usr/bin/qemu-pr-helper
checking for xen_vm_start in -lxenserver... no
checking for LIBXL... no
checking for libxl_ctx_alloc in -lxenlight... yes
checking libxl.h usability... yes
checking libxl.h presence... yes
checking for libxl.h... yes
checking libxlutil.h usability... yes
checking libxlutil.h presence... yes
checking for libxlutil.h... yes
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checking for mount... /usr/bin/mount
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checking that generated files are newer than configure... done
configure: creating ./config.status
config.status: creating run
config.status: creating Makefile
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config.status: executing depfiles commands
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configure:
configure: Configuration summary
configure: =====================
configure:
configure: Drivers
configure:
configure: QEMU: no
configure: UML: yes
configure: OpenVZ: yes
configure: VMware: yes
configure: VBox: yes
configure: XenAPI: no
configure: libxl: yes
configure: LXC: yes
configure: PHYP: yes
configure: ESX: yes
configure: Hyper-V: yes
configure: vz: no
configure: Bhyve: no
configure: Test: yes
configure: Remote: yes
configure: Network: yes
configure: Libvirtd: yes
configure: Interface: yes
configure:
configure: Storage Drivers
configure:
configure: Dir: yes
configure: FS: yes
configure: NetFS: yes
configure: LVM: yes
configure: iSCSI: yes
configure: SCSI: yes
configure: mpath: yes
configure: Disk: yes
configure: RBD: yes
configure: Sheepdog: yes
configure: Gluster: yes
configure: ZFS: yes
configure: Virtuozzo storage: no
configure:
configure: Security Drivers
configure:
configure: SELinux: yes
configure: AppArmor: no
configure:
configure: Driver Loadable Modules
configure:
configure: driver_modules: yes (CFLAGS='' LIBS='-ldl')
configure:
configure: Libraries
configure:
configure: acl: yes (CFLAGS='' LIBS='-lacl')
configure: apparmor: no
configure: attr: yes (CFLAGS='' LIBS='-lattr')
configure: audit: yes (CFLAGS='' LIBS='-laudit')
configure: avahi: yes (CFLAGS='-D_REENTRANT ' LIBS='-lavahi-common -lavahi-client ')
configure: bash_completion: no
configure: blkid: yes (CFLAGS='-I/usr/include/blkid -I/usr/include/uuid ' LIBS='-lblkid ')
configure: capng: yes (CFLAGS='' LIBS='-lcap-ng')
configure: curl: yes (CFLAGS='-DCURL_DISABLE_TYPECHECK ' LIBS='-lcurl ')
configure: dbus: yes (CFLAGS='-I/usr/include/dbus-1.0 -I/usr/lib64/dbus-1.0/include ' LIBS='-ldbus-1 ')
configure: dlopen: yes (CFLAGS='' LIBS='-ldl')
configure: firewalld: yes (CFLAGS='' LIBS='')
configure: fuse: yes (CFLAGS='-I/usr/include/fuse -D_FILE_OFFSET_BITS=64 ' LIBS='-lfuse -pthread ')
configure: glusterfs: yes (CFLAGS='-I/usr/include/glusterfs -D_FILE_OFFSET_BITS=64 -D__USE_FILE_OFFSET64 -DUSE_POSIX_ACLS=1 -I/usr/include/uuid ' LIBS='-lacl -lgfapi -lglusterfs -lgfrpc -lgfxdr -luuid ')
configure: gnutls: yes (CFLAGS='-I/usr/include/p11-kit-1 ' LIBS='-lgnutls ')
configure: hal: no
configure: jansson: no
configure: libnl: yes (CFLAGS='-I/usr/include/libnl3 -I/usr/include/libnl3 ' LIBS='-lnl-3 -lnl-route-3 -lnl-3 ')
configure: libpcap: yes (CFLAGS='' LIBS='-lpcap')
configure: libssh: yes (CFLAGS='' LIBS='-lssh ')
configure: libxl: yes (CFLAGS=' -DLIBXL_API_VERSION=0x040400' LIBS='-lxenlight -lxlutil -lxenstore -lxentoollog')
configure: libxml: yes (CFLAGS='-I/usr/include/libxml2 ' LIBS='-lxml2 ')
configure: macvtap: yes (CFLAGS='' LIBS='')
configure: netcf: yes (CFLAGS='' LIBS='-lnetcf ')
configure: NLS: yes
configure: nss: no
configure: numactl: yes (CFLAGS='' LIBS='-lnuma')
configure: openwsman: yes (CFLAGS='-I/usr/include/openwsman ' LIBS='-lwsman -lwsman_client -lwsman_curl_client_transport ')
configure: pciaccess: yes (CFLAGS='' LIBS='-lpciaccess ')
configure: pm_utils: no
configure: polkit: yes
configure: rbd: yes (CFLAGS='' LIBS='-lrbd -lrados')
configure: readline: yes (CFLAGS='-D_FUNCTION_DEF ' LIBS='-lreadline')
configure: sanlock: yes (CFLAGS='' LIBS='-lsanlock_client')
configure: sasl: yes (CFLAGS='' LIBS='-lsasl2')
configure: selinux: yes (CFLAGS='' LIBS='-lselinux')
configure: ssh2: yes (CFLAGS='' LIBS='-lssh2 ')
configure: udev: yes (CFLAGS='' LIBS='-ludev ')
configure: virtualport: yes (CFLAGS='' LIBS='')
configure: xdr: yes (CFLAGS='' LIBS='')
configure: xenapi: no
configure: yajl: no
configure:
configure: Windows
configure:
configure: Cygwin: no
configure: MinGW: no
configure: MSVC: no
configure: windres: no
configure:
configure: Test suite
configure:
configure: Coverage: no
configure: Alloc OOM: no
configure:
configure: Miscellaneous
configure:
configure: Debug: yes
configure: Use -Werror: yes
configure: Warning Flags: -fno-common -W -Waddress -Waggressive-loop-optimizations -Wall -Wattributes -Wbad-function-cast -Wbool-compare -Wbool-operation -Wbuiltin-declaration-mismatch -Wbuiltin-macro-redefined -Wcast-align -Wchar-subscripts -Wclobbered -Wcomment -Wcomments -Wcoverage-mismatch -Wcpp -Wdangling-else -Wdate-time -Wdeprecated-declarations -Wdesignated-init -Wdiscarded-array-qualifiers -Wdiscarded-qualifiers -Wdiv-by-zero -Wdouble-promotion -Wduplicated-cond -Wduplicate-decl-specifier -Wempty-body -Wendif-labels -Wexpansion-to-defined -Wextra -Wformat-contains-nul -Wformat-extra-args -Wformat-security -Wformat-y2k -Wformat-zero-length -Wframe-address -Wfree-nonheap-object -Whsa -Wignored-attributes -Wignored-qualifiers -Wimplicit -Wimplicit-function-declaration -Wimplicit-int -Wincompatible-pointer-types -Winit-self -Winline -Wint-conversion -Wint-in-bool-context -Wint-to-pointer-cast -Winvalid-memory-model -Winvalid-pch -Wlogical-not-parentheses -Wlogical-op -Wmain -Wmaybe-uninitialized -Wmemset-elt-size -Wmemset-transposed-args -Wmisleading-indentation -Wmissing-braces -Wmissing-declarations -Wmissing-field-initializers -Wmissing-include-dirs -Wmissing-parameter-type -Wmissing-prototypes -Wmultichar -Wnarrowing -Wnested-externs -Wnonnull -Wnonnull-compare -Wnull-dereference -Wodr -Wold-style-declaration -Wold-style-definition -Wopenmp-simd -Woverflow -Woverride-init -Wpacked-bitfield-compat -Wparentheses -Wpointer-arith -Wpointer-compare -Wpointer-sign -Wpointer-to-int-cast -Wpragmas -Wpsabi -Wrestrict -Wreturn-local-addr -Wreturn-type -Wscalar-storage-order -Wsequence-point -Wshadow -Wshift-count-negative -Wshift-count-overflow -Wshift-negative-value -Wsizeof-array-argument -Wsizeof-pointer-memaccess -Wstrict-aliasing -Wstrict-prototypes -Wsuggest-attribute=const -Wsuggest-attribute=format -Wsuggest-attribute=noreturn -Wsuggest-attribute=pure -Wsuggest-final-methods -Wsuggest-final-types -Wswitch -Wswitch-bool -Wswitch-unreachable -Wsync-nand -Wtautological-compare -Wtrampolines -Wtrigraphs
-Wtype-limits -Wuninitialized -Wunknown-pragmas -Wunused -Wunused-but-set-parameter -Wunused-but-set-variable -Wunused-function -Wunused-label -Wunused-local-typedefs -Wunused-parameter -Wunused-result -Wunused-value -Wunused-variable -Wvarargs -Wvariadic-macros -Wvector-operation-performance -Wvolatile-register-var -Wwrite-strings -Walloc-size-larger-than=9223372036854775807 -Warray-bounds=2 -Wformat-overflow=2 -Wformat-truncation=2 -Wimplicit-fallthrough=5 -Wnormalized=nfc -Wshift-overflow=2 -Wstringop-overflow=2 -Wunused-const-variable=2 -Wvla-larger-than=4031 -Wno-sign-compare -Wjump-misses-init -Wswitch-enum -Wno-format-nonliteral -Wno-format-truncation -fstack-protector-strong -fexceptions -fasynchronous-unwind-tables -fipa-pure-const -Wno-suggest-attribute=pure -Wno-suggest-attribute=const -Werror
configure: DTrace: yes
configure: numad: yes
configure: Init script: systemd
configure: Char device locks: /var/lock
configure: Default Editor: vi
configure: Loader/NVRAM:
configure: virt-login-shell: yes
configure: virt-host-validate: yes
configure: TLS priority: NORMAL
configure:
configure: Developer Tools
configure:
configure: wireshark_dissector: yes (CFLAGS='-I/usr/include/wireshark -I/usr/include/glib-2.0 -I/usr/lib64/glib-2.0/include -pthread ' LIBS='-lwireshark -Wl,--export-dynamic -lgmodule-2.0 -lgthread-2.0 -pthread -lglib-2.0 ')
configure:
configure: Privileges
configure:
configure: QEMU: root:root
configure:
Now type 'make' to compile libvirt.
GEN spacing-check
GEN test-wrap-argv
GEN prohibit-duplicate-header
src/util/virjsoncompat.h:56: #include <jansson.h>
Do not include a header more than once per file
make: *** [cfg.mk:1124: prohibit-duplicate-header] Error 1
real 13m35.543s
user 9m41.178s
sys 5m14.375s
=== OUTPUT END ===
Test command exited with code: 2
---
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Please send your feedback to patchew-devel@redhat.com
On Tue, 2018-07-31 at 15:55 +0100, Daniel P. Berrangé wrote: [...]
+# We dlopen() it so need an explicit dep +Requires: libjansson.so.4()(64bit)
Wouldn't requiring jansson be better here? I don't think many people are running libvirt on 32-bit machines these days, but the (64bit) part still looks kinda weird.
@@ -264,7 +266,6 @@ libvirt_util_la_CFLAGS = \ $(NULL) libvirt_util_la_LIBADD = \ $(CAPNG_LIBS) \ - $(JANSSON_LIBS) \
You missed a couple of instances of $(JANSSON_LIBS), notably the one used to link the NSS plugin against it ;)
@@ -1524,6 +1525,9 @@ virJSONValueFromString(const char *jsonstring) size_t flags = JSON_REJECT_DUPLICATES | JSON_DECODE_ANY;
+ if (virJSONInitialize() < 0) + return NULL;
Shouldn't we rather virReportError() here? Or does it not matter since we do that inside virJSONInitialize() already? [...]
+#define LOAD(name) \ + do { \ + if (!(name ## _ptr = dlsym(handle, #name))) { \ + virReportError(VIR_ERR_NO_SUPPORT, \ + _("missing symbol '%s' in libjansson.so.4: %s"), #name, dlerror()); \ + goto error; \ + } \
The lines above trigger a syntax-check failure; there are other issues as well, please make sure you address all of them.
+ fprintf(stderr, "Resolve %s to %p\n", #name, name ## _ptr); \
I guess the fprintf() is a leftover from development: please drop it to avoid stuff like $ ping debian Resolve json_array to 0x7fdcf77b2fa0 Resolve json_array_append_new to 0x7fdcf77b3e60 ... Resolve json_string_value to 0x7fdcf77b3200 Resolve json_true to 0x7fdcf77b36c0 PING debian (192.168.124.124) 56(84) bytes of data. 64 bytes from 192.168.124.124 (192.168.124.124): icmp_seq=1 ttl=64 time=0.164 ms [...]
+int virJSONInitialize(void) { + return virJSONJanssonInitialize(); +}
Please format this as int virJSONInitialize(void) { ... Same for all the stubs below. Everything else looks pretty much as sane as a crazy hack like this could possibly ever look :) so with the above addressed Reviewed-by: Andrea Bolognani <abologna@redhat.com> with the caveats that you should probably wait for at least another ACK before pushing it, and additionally we should *really* bump up the release date and let this sit on master for more than a couple of days... -- Andrea Bolognani / Red Hat / Virtualization
On Tue, Jul 31, 2018 at 05:57:21PM +0200, Andrea Bolognani wrote:
On Tue, 2018-07-31 at 15:55 +0100, Daniel P. Berrangé wrote: [...]
+# We dlopen() it so need an explicit dep +Requires: libjansson.so.4()(64bit)
Wouldn't requiring jansson be better here? I don't think many people are running libvirt on 32-bit machines these days, but the (64bit) part still looks kinda weird.
Yes, ok.
@@ -264,7 +266,6 @@ libvirt_util_la_CFLAGS = \ $(NULL) libvirt_util_la_LIBADD = \ $(CAPNG_LIBS) \ - $(JANSSON_LIBS) \
You missed a couple of instances of $(JANSSON_LIBS), notably the one used to link the NSS plugin against it ;)
@@ -1524,6 +1525,9 @@ virJSONValueFromString(const char *jsonstring) size_t flags = JSON_REJECT_DUPLICATES | JSON_DECODE_ANY;
+ if (virJSONInitialize() < 0) + return NULL;
Shouldn't we rather virReportError() here? Or does it not matter since we do that inside virJSONInitialize() already?
That method is already reporting errors when needed.
The lines above trigger a syntax-check failure; there are other issues as well, please make sure you address all of them.
Yeah done in v2.
+ fprintf(stderr, "Resolve %s to %p\n", #name, name ## _ptr); \
I guess the fprintf() is a leftover from development: please drop it to avoid stuff like
Opps. Regards, Daniel -- |: https://berrange.com -o- https://www.flickr.com/photos/dberrange :| |: https://libvirt.org -o- https://fstop138.berrange.com :| |: https://entangle-photo.org -o- https://www.instagram.com/dberrange :|
On Tue, Jul 31, 2018 at 03:55:28PM +0100, Daniel P. Berrangé wrote:
The jansson and json-glib libraries both export symbols with a json_ name prefix and json_object_iter_next() clashes between them.
Unfortunately json_glib is linked in by GTK, so any app using GTK and
json-glib
libvirt will get a clash, resulting in SEGV. This also affects the NSS module provided by libvirt
Instead of directly linking to jansson, use dlopen() with the RTLD_LOCAL flag which allows us to hide the symbols from the application that loads libvirt or the NSS module.
Some preprocessor black magic and wrapper functions are used to redirect calls into the dlopen resolved symbols.
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com> --- libvirt.spec.in | 2 + src/Makefile.am | 3 + src/util/Makefile.inc.am | 3 +- src/util/virjson.c | 9 +- src/util/virjsoncompat.c | 253 +++++++++++++++++++++++++++++++++++++++ src/util/virjsoncompat.h | 86 +++++++++++++ 6 files changed, 354 insertions(+), 2 deletions(-) create mode 100644 src/util/virjsoncompat.c create mode 100644 src/util/virjsoncompat.h
diff --git a/src/util/virjsoncompat.c b/src/util/virjsoncompat.c new file mode 100644 index 0000000000..c317e50c32 --- /dev/null +++ b/src/util/virjsoncompat.c @@ -0,0 +1,253 @@ +/* + * virjsoncompat.c: JSON object parsing/formatting + * + * Copyright (C) 2018 Red Hat, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library. If not, see + * <http://www.gnu.org/licenses/>. + * + */ + +#include <config.h> + +#include "virthread.h" +#include "virerror.h"
+#define VIR_JSON_COMPAT_IMPL +#include "virjsoncompat.h"
virjsoncompat.h includes jansson.h unconditionally, so this fails to compile on a machine without jansson-devel: In file included from util/virjsoncompat.c:27: util/virjsoncompat.h:56:10: fatal error: jansson.h: No such file or directory #include <jansson.h> ^~~~~~~~~~~
+ +#define VIR_FROM_THIS VIR_FROM_NONE + +#if WITH_JANSSON + +#include <dlfcn.h> + +json_t *(*json_array_ptr)(void); +int (*json_array_append_new_ptr)(json_t *array, json_t *value); +json_t *(*json_array_get_ptr)(const json_t *array, size_t index); +size_t (*json_array_size_ptr)(const json_t *array); +void (*json_delete_ptr)(json_t *json); +char *(*json_dumps_ptr)(const json_t *json, size_t flags); +json_t *(*json_false_ptr)(void); +json_t *(*json_integer_ptr)(json_int_t value); +json_int_t (*json_integer_value_ptr)(const json_t *integer); +json_t *(*json_loads_ptr)(const char *input, size_t flags, json_error_t *error); +json_t *(*json_null_ptr)(void); +json_t *(*json_object_ptr)(void); +void *(*json_object_iter_ptr)(json_t *object); +const char *(*json_object_iter_key_ptr)(void *iter); +void *(*json_object_iter_next_ptr)(json_t *object, void *iter); +json_t *(*json_object_iter_value_ptr)(void *iter); +void *(*json_object_key_to_iter_ptr)(const char *key); +int (*json_object_set_new_ptr)(json_t *object, const char *key, json_t *value); +json_t *(*json_real_ptr)(double value); +double (*json_real_value_ptr)(const json_t *real); +json_t *(*json_string_ptr)(const char *value); +const char *(*json_string_value_ptr)(const json_t *string); +json_t *(*json_true_ptr)(void); + + +static int virJSONJanssonOnceInit(void) +{ + void *handle = dlopen("libjansson.so.4", RTLD_LAZY|RTLD_LOCAL|RTLD_DEEPBIND|RTLD_NODELETE); + if (!handle) { + virReportError(VIR_ERR_NO_SUPPORT, + _("libjansson.so.4 JSON library not available: %s"), dlerror()); + return -1; + } + +#define LOAD(name) \ + do { \ + if (!(name ## _ptr = dlsym(handle, #name))) { \ + virReportError(VIR_ERR_NO_SUPPORT, \ + _("missing symbol '%s' in libjansson.so.4: %s"), #name, dlerror()); \ + goto error; \
If you do return -1; you can drop the error label.
+ } \ + fprintf(stderr, "Resolve %s to %p\n", #name, name ## _ptr); \ + } while (0) + + LOAD(json_array); + LOAD(json_array_append_new); + LOAD(json_array_get); + LOAD(json_array_size); + LOAD(json_delete); + LOAD(json_dumps); + LOAD(json_false); + LOAD(json_integer); + LOAD(json_integer_value); + LOAD(json_loads); + LOAD(json_null); + LOAD(json_object); + LOAD(json_object_iter); + LOAD(json_object_iter_key); + LOAD(json_object_iter_next); + LOAD(json_object_iter_value); + LOAD(json_object_key_to_iter); + LOAD(json_object_set_new); + LOAD(json_real); + LOAD(json_real_value); + LOAD(json_string); + LOAD(json_string_value); + LOAD(json_true); + + return 0; + + error: + return -1; +} + +VIR_ONCE_GLOBAL_INIT(virJSONJansson);
[...]
+ +#endif +
Extra newline at EOF. With the conditional include of jansson.h: Reviewed-by: Ján Tomko <jtomko@redhat.com> Thanks for the magic. Jano
On Tue, Jul 31, 2018 at 06:07:20PM +0200, Ján Tomko wrote:
On Tue, Jul 31, 2018 at 03:55:28PM +0100, Daniel P. Berrangé wrote:
The jansson and json-glib libraries both export symbols with a json_ name prefix and json_object_iter_next() clashes between them.
Unfortunately json_glib is linked in by GTK, so any app using GTK and
json-glib
Not fixed in v2, but fixed in my local copy now.
+#include <config.h> + +#include "virthread.h" +#include "virerror.h"
+#define VIR_JSON_COMPAT_IMPL +#include "virjsoncompat.h"
virjsoncompat.h includes jansson.h unconditionally, so this fails to compile on a machine without jansson-devel: In file included from util/virjsoncompat.c:27: util/virjsoncompat.h:56:10: fatal error: jansson.h: No such file or directory #include <jansson.h> ^~~~~~~~~~~
I've rearranged things and tested a mingw build now so this should be ok in v2.
+#define LOAD(name) \ + do { \ + if (!(name ## _ptr = dlsym(handle, #name))) { \ + virReportError(VIR_ERR_NO_SUPPORT, \ + _("missing symbol '%s' in libjansson.so.4: %s"), #name, dlerror()); \ + goto error; \
If you do return -1; you can drop the error label.
Yes ok Regards, Daniel -- |: https://berrange.com -o- https://www.flickr.com/photos/dberrange :| |: https://libvirt.org -o- https://fstop138.berrange.com :| |: https://entangle-photo.org -o- https://www.instagram.com/dberrange :|
On 07/31/2018 09:55 AM, Daniel P. Berrangé wrote:
The jansson and json-glib libraries both export symbols with a json_ name prefix and json_object_iter_next() clashes between them.
Unfortunately json_glib is linked in by GTK, so any app using GTK and libvirt will get a clash, resulting in SEGV. This also affects the NSS module provided by libvirt
Instead of directly linking to jansson, use dlopen() with the RTLD_LOCAL flag which allows us to hide the symbols from the application that loads libvirt or the NSS module.
Some preprocessor black magic and wrapper functions are used to redirect calls into the dlopen resolved symbols.
Would using dlmopen() instead of dlopen() make this task any easier? Otherwise, this looks reasonable to me, and is preferable to Jan's proposal to revert jansson support.
+++ b/src/util/virjsoncompat.c
+ +static int virJSONJanssonOnceInit(void) +{ + void *handle = dlopen("libjansson.so.4", RTLD_LAZY|RTLD_LOCAL|RTLD_DEEPBIND|RTLD_NODELETE);
RTLD_DEEPBIND might be specific to glibc; is this going to cause any compilation issues on BSD machines?
+ +VIR_ONCE_GLOBAL_INIT(virJSONJansson); + +int virJSONInitialize(void) { + return virJSONJanssonInitialize(); +} + +json_t *json_array_impl(void) +{ + return json_array_ptr(); +} + + +int json_array_append_new_impl(json_t *array, json_t *value) +{ + return json_array_append_new_ptr(array, value); +}
Would it be possible with __typeof__ to write a macro to make this forwarding more compact (one line per stem, instead of open-coding each renamed function)? Looking something like: #define FORWARD(name, params, args) \ __typeof__(name # _impl) name # _impl params { \ return name # _ptr args; \ } FORWARD(json_array, (void), ()) FORWARD(json_array_append_new, (json_t * array, json_t *value), (array, value)) (hmm, that's still a bit verbose; I'm not sure if the preprocessor could be cajoled into even less repetition of parameter names) -- Eric Blake, Principal Software Engineer Red Hat, Inc. +1-919-301-3266 Virtualization: qemu.org | libvirt.org
On Tue, Jul 31, 2018 at 11:28:02AM -0500, Eric Blake wrote:
On 07/31/2018 09:55 AM, Daniel P. Berrangé wrote:
The jansson and json-glib libraries both export symbols with a json_ name prefix and json_object_iter_next() clashes between them.
Unfortunately json_glib is linked in by GTK, so any app using GTK and libvirt will get a clash, resulting in SEGV. This also affects the NSS module provided by libvirt
Instead of directly linking to jansson, use dlopen() with the RTLD_LOCAL flag which allows us to hide the symbols from the application that loads libvirt or the NSS module.
Some preprocessor black magic and wrapper functions are used to redirect calls into the dlopen resolved symbols.
Would using dlmopen() instead of dlopen() make this task any easier?
Not available on *BSD
Otherwise, this looks reasonable to me, and is preferable to Jan's proposal to revert jansson support.
+++ b/src/util/virjsoncompat.c
+ +static int virJSONJanssonOnceInit(void) +{ + void *handle = dlopen("libjansson.so.4", RTLD_LAZY|RTLD_LOCAL|RTLD_DEEPBIND|RTLD_NODELETE);
RTLD_DEEPBIND might be specific to glibc; is this going to cause any compilation issues on BSD machines?
Yeah it broke BSD, so removed in v2.
+int json_array_append_new_impl(json_t *array, json_t *value) +{ + return json_array_append_new_ptr(array, value); +}
Would it be possible with __typeof__ to write a macro to make this forwarding more compact (one line per stem, instead of open-coding each renamed function)? Looking something like:
#define FORWARD(name, params, args) \ __typeof__(name # _impl) name # _impl params { \ return name # _ptr args; \ }
FORWARD(json_array, (void), ()) FORWARD(json_array_append_new, (json_t * array, json_t *value), (array, value))
(hmm, that's still a bit verbose; I'm not sure if the preprocessor could be cajoled into even less repetition of parameter names)
I'm not too fussed about the verbosity as this is write-once code (i hope). Regards, Daniel -- |: https://berrange.com -o- https://www.flickr.com/photos/dberrange :| |: https://libvirt.org -o- https://fstop138.berrange.com :| |: https://entangle-photo.org -o- https://www.instagram.com/dberrange :|
On Tue, Jul 31, 2018 at 15:55:28 +0100, Daniel Berrange wrote:
The jansson and json-glib libraries both export symbols with a json_ name prefix and json_object_iter_next() clashes between them.
Unfortunately json_glib is linked in by GTK, so any app using GTK and libvirt will get a clash, resulting in SEGV. This also affects the NSS module provided by libvirt
Instead of directly linking to jansson, use dlopen() with the RTLD_LOCAL flag which allows us to hide the symbols from the application that loads libvirt or the NSS module.
Some preprocessor black magic and wrapper functions are used to redirect calls into the dlopen resolved symbols.
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com> --- libvirt.spec.in | 2 + src/Makefile.am | 3 + src/util/Makefile.inc.am | 3 +- src/util/virjson.c | 9 +- src/util/virjsoncompat.c | 253 +++++++++++++++++++++++++++++++++++++++ src/util/virjsoncompat.h | 86 +++++++++++++ 6 files changed, 354 insertions(+), 2 deletions(-) create mode 100644 src/util/virjsoncompat.c create mode 100644 src/util/virjsoncompat.h
[...]
diff --git a/src/util/virjson.c b/src/util/virjson.c index 01a387b2f7..5bab662cd3 100644 --- a/src/util/virjson.c +++ b/src/util/virjson.c @@ -1437,7 +1437,8 @@ virJSONValueCopy(const virJSONValue *in)
#if WITH_JANSSON -# include <jansson.h> + +# include "virjsoncompat.h"
static virJSONValuePtr virJSONValueFromJansson(json_t *json) @@ -1524,6 +1525,9 @@ virJSONValueFromString(const char *jsonstring) size_t flags = JSON_REJECT_DUPLICATES | JSON_DECODE_ANY;
+ if (virJSONInitialize() < 0) + return NULL; + if (!(json = json_loads(jsonstring, flags, &error))) { virReportError(VIR_ERR_INTERNAL_ERROR, _("failed to parse JSON %d:%d: %s"), @@ -1630,6 +1634,9 @@ virJSONValueToString(virJSONValuePtr object, json_t *json; char *str = NULL;
+ if (virJSONInitialize() < 0) + return NULL; + if (pretty) flags |= JSON_INDENT(2); else
[Note that some mails did not make it to the list so I don't know if this issue was raised.] If we initialize this when doing JSON operations and the initialization fails we'll end up with libvirtd in a crippled state not able to use anything in qemu which is in my opinion VERY bad. In addition it also kills all running VMs when reconnecting since monitor will just not work. I think libvirtd should terminate right away if we can't initialize this shim rather than execute some other code. Additionally, why is this even necessary for libvirtd? Not that it would ever link with any clashing libraries.
On Wed, Aug 01, 2018 at 09:31:49AM +0200, Peter Krempa wrote:
On Tue, Jul 31, 2018 at 15:55:28 +0100, Daniel Berrange wrote:
The jansson and json-glib libraries both export symbols with a json_ name prefix and json_object_iter_next() clashes between them.
Unfortunately json_glib is linked in by GTK, so any app using GTK and libvirt will get a clash, resulting in SEGV. This also affects the NSS module provided by libvirt
Instead of directly linking to jansson, use dlopen() with the RTLD_LOCAL flag which allows us to hide the symbols from the application that loads libvirt or the NSS module.
Some preprocessor black magic and wrapper functions are used to redirect calls into the dlopen resolved symbols.
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com> --- libvirt.spec.in | 2 + src/Makefile.am | 3 + src/util/Makefile.inc.am | 3 +- src/util/virjson.c | 9 +- src/util/virjsoncompat.c | 253 +++++++++++++++++++++++++++++++++++++++ src/util/virjsoncompat.h | 86 +++++++++++++ 6 files changed, 354 insertions(+), 2 deletions(-) create mode 100644 src/util/virjsoncompat.c create mode 100644 src/util/virjsoncompat.h
[...]
diff --git a/src/util/virjson.c b/src/util/virjson.c index 01a387b2f7..5bab662cd3 100644 --- a/src/util/virjson.c +++ b/src/util/virjson.c @@ -1437,7 +1437,8 @@ virJSONValueCopy(const virJSONValue *in)
#if WITH_JANSSON -# include <jansson.h> + +# include "virjsoncompat.h"
static virJSONValuePtr virJSONValueFromJansson(json_t *json) @@ -1524,6 +1525,9 @@ virJSONValueFromString(const char *jsonstring) size_t flags = JSON_REJECT_DUPLICATES | JSON_DECODE_ANY;
+ if (virJSONInitialize() < 0) + return NULL; + if (!(json = json_loads(jsonstring, flags, &error))) { virReportError(VIR_ERR_INTERNAL_ERROR, _("failed to parse JSON %d:%d: %s"), @@ -1630,6 +1634,9 @@ virJSONValueToString(virJSONValuePtr object, json_t *json; char *str = NULL;
+ if (virJSONInitialize() < 0) + return NULL; + if (pretty) flags |= JSON_INDENT(2); else
[Note that some mails did not make it to the list so I don't know if this issue was raised.]
If we initialize this when doing JSON operations and the initialization fails we'll end up with libvirtd in a crippled state not able to use anything in qemu which is in my opinion VERY bad.
In addition it also kills all running VMs when reconnecting since monitor will just not work.
I think libvirtd should terminate right away if we can't initialize this shim rather than execute some other code.
We can do that by calling virJSONInitialize from libvirtd main. It should never fail unless someone instaled libvirtd without jansson being present, or if jansson broke its API.
Additionally, why is this even necessary for libvirtd? Not that it would ever link with any clashing libraries.
It may not currently be neccessary for libvirtd, but I can't guarantee that's always going to be the case. We link to so many libraries, we can be surprised at anytime with something pulling in a clashing json impl. The json-c library also includes symbols with a json_* prefix in their name, so that's a 3d json impl which might clash. Regards, Daniel -- |: https://berrange.com -o- https://www.flickr.com/photos/dberrange :| |: https://libvirt.org -o- https://fstop138.berrange.com :| |: https://entangle-photo.org -o- https://www.instagram.com/dberrange :|
participants (6)
-
Andrea Bolognani -
Daniel P. Berrangé -
Eric Blake -
Ján Tomko -
no-reply＠patchew.org -
Peter Krempa