[libvirt] [PATCH] Fix link errors in tools/nss and tests

While local builds succeed fine, a build worker building in a chroot environment is encountering errors when linking some items in tools/nss and tests, e.g. [ 469s] libtool: link: gcc -shared -fPIC -DPIC -Wl,--whole-archive nss/.libs/libnss_libvirt_impl.a -Wl,--no-whole-archive -lpthread -lutil -ltirpc -fstack-protector-strong -grecord-gcc-switches -O2 -fstack-protector-strong -g -Wl,--version-script=./nss/libvirt_nss.syms -Wl,-z -Wl,relro -Wl,-z -Wl,now -Wl,--no-copy-dt-needed-entries -Wl,-z -Wl,defs -grecord-gcc-switches -O2 -fstack-protector-strong -g -pthread -Wl,-soname -Wl,libnss_libvirt.so.2 -o nss/.libs/libnss_libvirt.so.2 [ 469s] nss/.libs/libnss_libvirt_impl.a(libvirt_nss_la-virjsoncompat.o): In function `virJSONJanssonOnce': [ 469s] /home/abuild/rpmbuild/BUILD/libvirt-4.6.0/src/util/virjsoncompat.c:63: undefined reference to `dlopen' [ 469s] /home/abuild/rpmbuild/BUILD/libvirt-4.6.0/src/util/virjsoncompat.c:79: undefined reference to `dlsym' ... A similar problem was fixed in commit b018ada3 and inspires this fix. Signed-off-by: Jim Fehlig <jfehlig@suse.com> --- tools/Makefile.am | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/tools/Makefile.am b/tools/Makefile.am index 1452d984a0..26c887649e 100644 --- a/tools/Makefile.am +++ b/tools/Makefile.am @@ -527,7 +527,8 @@ nss_libnss_libvirt_impl_la_CFLAGS = \ nss_libnss_libvirt_impl_la_LIBADD = \ ../gnulib/lib/libgnu.la \ - ../src/libvirt-nss.la + ../src/libvirt-nss.la \ + $(DLOPEN_LIBS) nss_libnss_libvirt_la_SOURCES = nss_libnss_libvirt_la_LDFLAGS = \ @@ -554,7 +555,8 @@ nss_libnss_libvirt_guest_impl_la_CFLAGS = \ nss_libnss_libvirt_guest_impl_la_LIBADD = \ ../gnulib/lib/libgnu.la \ - ../src/libvirt-nss.la + ../src/libvirt-nss.la \ + $(DLOPEN_LIBS) nss_libnss_libvirt_guest_la_SOURCES = nss_libnss_libvirt_guest_la_LDFLAGS = \ -- 2.18.0

On Wed, Aug 08, 2018 at 11:00:01AM -0600, Jim Fehlig wrote:
While local builds succeed fine, a build worker building in a chroot environment is encountering errors when linking some items in tools/nss and tests, e.g.
[ 469s] libtool: link: gcc -shared -fPIC -DPIC -Wl,--whole-archive nss/.libs/libnss_libvirt_impl.a -Wl,--no-whole-archive -lpthread -lutil -ltirpc -fstack-protector-strong -grecord-gcc-switches -O2 -fstack-protector-strong -g -Wl,--version-script=./nss/libvirt_nss.syms -Wl,-z -Wl,relro -Wl,-z -Wl,now -Wl,--no-copy-dt-needed-entries -Wl,-z -Wl,defs -grecord-gcc-switches -O2 -fstack-protector-strong -g -pthread -Wl,-soname -Wl,libnss_libvirt.so.2 -o nss/.libs/libnss_libvirt.so.2 [ 469s] nss/.libs/libnss_libvirt_impl.a(libvirt_nss_la-virjsoncompat.o): In function `virJSONJanssonOnce': [ 469s] /home/abuild/rpmbuild/BUILD/libvirt-4.6.0/src/util/virjsoncompat.c:63: undefined reference to `dlopen' [ 469s] /home/abuild/rpmbuild/BUILD/libvirt-4.6.0/src/util/virjsoncompat.c:79: undefined reference to `dlsym' ...
A similar problem was fixed in commit b018ada3 and inspires this fix.
Signed-off-by: Jim Fehlig <jfehlig@suse.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> 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 08/08/2018 07:00 PM, Jim Fehlig wrote:
While local builds succeed fine, a build worker building in a chroot environment is encountering errors when linking some items in tools/nss and tests, e.g.
[ 469s] libtool: link: gcc -shared -fPIC -DPIC -Wl,--whole-archive nss/.libs/libnss_libvirt_impl.a -Wl,--no-whole-archive -lpthread -lutil -ltirpc -fstack-protector-strong -grecord-gcc-switches -O2 -fstack-protector-strong -g -Wl,--version-script=./nss/libvirt_nss.syms -Wl,-z -Wl,relro -Wl,-z -Wl,now -Wl,--no-copy-dt-needed-entries -Wl,-z -Wl,defs -grecord-gcc-switches -O2 -fstack-protector-strong -g -pthread -Wl,-soname -Wl,libnss_libvirt.so.2 -o nss/.libs/libnss_libvirt.so.2 [ 469s] nss/.libs/libnss_libvirt_impl.a(libvirt_nss_la-virjsoncompat.o): In function `virJSONJanssonOnce': [ 469s] /home/abuild/rpmbuild/BUILD/libvirt-4.6.0/src/util/virjsoncompat.c:63: undefined reference to `dlopen' [ 469s] /home/abuild/rpmbuild/BUILD/libvirt-4.6.0/src/util/virjsoncompat.c:79: undefined reference to `dlsym' ...
A similar problem was fixed in commit b018ada3 and inspires this fix.
Signed-off-by: Jim Fehlig <jfehlig@suse.com> --- tools/Makefile.am | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/tools/Makefile.am b/tools/Makefile.am index 1452d984a0..26c887649e 100644 --- a/tools/Makefile.am +++ b/tools/Makefile.am @@ -527,7 +527,8 @@ nss_libnss_libvirt_impl_la_CFLAGS = \
nss_libnss_libvirt_impl_la_LIBADD = \ ../gnulib/lib/libgnu.la \ - ../src/libvirt-nss.la + ../src/libvirt-nss.la \ + $(DLOPEN_LIBS)
nss_libnss_libvirt_la_SOURCES = nss_libnss_libvirt_la_LDFLAGS = \ @@ -554,7 +555,8 @@ nss_libnss_libvirt_guest_impl_la_CFLAGS = \
nss_libnss_libvirt_guest_impl_la_LIBADD = \ ../gnulib/lib/libgnu.la \ - ../src/libvirt-nss.la + ../src/libvirt-nss.la \ + $(DLOPEN_LIBS)
nss_libnss_libvirt_guest_la_SOURCES = nss_libnss_libvirt_guest_la_LDFLAGS = \
While I agree that we need to put DLOPEN_LIBS somewhere shouldn't be that the lib that compiles virjsoncompat.c in? I mean, that is the source of the dependency and therefore anything linking with it will need similar treatment. Something among these lines (quickly written and untested patch): diff --git i/src/Makefile.am w/src/Makefile.am index a4f213480e..51c134f08e 100644 --- i/src/Makefile.am +++ w/src/Makefile.am @@ -744,6 +744,7 @@ libvirt_setuid_rpc_client_la_LDFLAGS = \ $(AM_LDFLAGS) \ $(LIBXML_LIBS) \ $(SECDRIVER_LIBS) \ + $(DLOPEN_LIBS) \ $(NULL) libvirt_setuid_rpc_client_la_CFLAGS = \ -DLIBVIRT_SETUID_RPC_CLIENT \ @@ -1000,6 +1001,7 @@ libvirt_nss_la_CFLAGS = \ $(NULL) libvirt_nss_la_LDFLAGS = \ $(AM_LDFLAGS) \ + $(DLOPEN_LIBS) \ $(NULL) endif WITH_NSS diff --git i/src/util/Makefile.inc.am w/src/util/Makefile.inc.am index 8ef9ee1dfa..c5c50f1844 100644 --- i/src/util/Makefile.inc.am +++ w/src/util/Makefile.inc.am @@ -278,6 +278,7 @@ libvirt_util_la_LIBADD = \ $(NUMACTL_LIBS) \ $(ACL_LIBS) \ $(GNUTLS_LIBS) \ + $(DLOPEN_LIBS) \ $(NULL) Michal

On 08/09/2018 07:42 AM, Michal Privoznik wrote:
On 08/08/2018 07:00 PM, Jim Fehlig wrote:
While local builds succeed fine, a build worker building in a chroot environment is encountering errors when linking some items in tools/nss and tests, e.g.
[ 469s] libtool: link: gcc -shared -fPIC -DPIC -Wl,--whole-archive nss/.libs/libnss_libvirt_impl.a -Wl,--no-whole-archive -lpthread -lutil -ltirpc -fstack-protector-strong -grecord-gcc-switches -O2 -fstack-protector-strong -g -Wl,--version-script=./nss/libvirt_nss.syms -Wl,-z -Wl,relro -Wl,-z -Wl,now -Wl,--no-copy-dt-needed-entries -Wl,-z -Wl,defs -grecord-gcc-switches -O2 -fstack-protector-strong -g -pthread -Wl,-soname -Wl,libnss_libvirt.so.2 -o nss/.libs/libnss_libvirt.so.2 [ 469s] nss/.libs/libnss_libvirt_impl.a(libvirt_nss_la-virjsoncompat.o): In function `virJSONJanssonOnce': [ 469s] /home/abuild/rpmbuild/BUILD/libvirt-4.6.0/src/util/virjsoncompat.c:63: undefined reference to `dlopen' [ 469s] /home/abuild/rpmbuild/BUILD/libvirt-4.6.0/src/util/virjsoncompat.c:79: undefined reference to `dlsym' ...
A similar problem was fixed in commit b018ada3 and inspires this fix.
Signed-off-by: Jim Fehlig <jfehlig@suse.com> --- tools/Makefile.am | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/tools/Makefile.am b/tools/Makefile.am index 1452d984a0..26c887649e 100644 --- a/tools/Makefile.am +++ b/tools/Makefile.am @@ -527,7 +527,8 @@ nss_libnss_libvirt_impl_la_CFLAGS = \
nss_libnss_libvirt_impl_la_LIBADD = \ ../gnulib/lib/libgnu.la \ - ../src/libvirt-nss.la + ../src/libvirt-nss.la \ + $(DLOPEN_LIBS)
nss_libnss_libvirt_la_SOURCES = nss_libnss_libvirt_la_LDFLAGS = \ @@ -554,7 +555,8 @@ nss_libnss_libvirt_guest_impl_la_CFLAGS = \
nss_libnss_libvirt_guest_impl_la_LIBADD = \ ../gnulib/lib/libgnu.la \ - ../src/libvirt-nss.la + ../src/libvirt-nss.la \ + $(DLOPEN_LIBS)
nss_libnss_libvirt_guest_la_SOURCES = nss_libnss_libvirt_guest_la_LDFLAGS = \
While I agree that we need to put DLOPEN_LIBS somewhere shouldn't be that the lib that compiles virjsoncompat.c in?
Yes, you are right.
I mean, that is the source of the dependency and therefore anything linking with it will need similar treatment. Something among these lines (quickly written and untested patch):
diff --git i/src/Makefile.am w/src/Makefile.am index a4f213480e..51c134f08e 100644 --- i/src/Makefile.am +++ w/src/Makefile.am @@ -744,6 +744,7 @@ libvirt_setuid_rpc_client_la_LDFLAGS = \ $(AM_LDFLAGS) \ $(LIBXML_LIBS) \ $(SECDRIVER_LIBS) \ + $(DLOPEN_LIBS) \ $(NULL) libvirt_setuid_rpc_client_la_CFLAGS = \ -DLIBVIRT_SETUID_RPC_CLIENT \ @@ -1000,6 +1001,7 @@ libvirt_nss_la_CFLAGS = \ $(NULL) libvirt_nss_la_LDFLAGS = \ $(AM_LDFLAGS) \ + $(DLOPEN_LIBS) \ $(NULL) endif WITH_NSS
diff --git i/src/util/Makefile.inc.am w/src/util/Makefile.inc.am index 8ef9ee1dfa..c5c50f1844 100644 --- i/src/util/Makefile.inc.am +++ w/src/util/Makefile.inc.am @@ -278,6 +278,7 @@ libvirt_util_la_LIBADD = \ $(NUMACTL_LIBS) \ $(ACL_LIBS) \ $(GNUTLS_LIBS) \ + $(DLOPEN_LIBS) \ $(NULL)
I tested the patch, works fine. What is the best course of action since I pushed the other one? Revert it and push your patch? Regards, Jim
participants (3)
-
Daniel P. Berrangé
-
Jim Fehlig
-
Michal Privoznik