[libvirt] [PATCH 16/89] configure: move dlopen check to its own file
Signed-off-by: Pavel Hrdina <phrdina(a)redhat.com>
---
configure.ac | 26 ++++----------------------
m4/virt-dlopen.m4 | 45 +++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 49 insertions(+), 22 deletions(-)
create mode 100644 m4/virt-dlopen.m4
diff --git a/configure.ac b/configure.ac
index 26174cc2e4..54144777c5 100644
--- a/configure.ac
+++ b/configure.ac
@@ -597,22 +597,7 @@ dnl
dnl check for libdl
dnl
-dlfcn_found=yes
-dlopen_found=yes
-
-AC_CHECK_HEADER([dlfcn.h],, [dlfcn_found=no])
-AC_SEARCH_LIBS([dlopen], [dl],, [dlopen_found=no])
-
-case $ac_cv_search_dlopen:$host_os in
- 'none required'* | *:mingw* | *:msvc*) DLOPEN_LIBS= ;;
- no*) AC_MSG_ERROR([Unable to find dlopen()]) ;;
- *) if test "x$dlfcn_found" != "xyes"; then
- AC_MSG_ERROR([Unable to find dlfcn.h])
- fi
- DLOPEN_LIBS=$ac_cv_search_dlopen ;;
-esac
-
-AC_SUBST([DLOPEN_LIBS])
+LIBVIRT_CHECK_DLOPEN
dnl
@@ -1968,7 +1953,7 @@ fi
DRIVER_MODULE_CFLAGS=
DRIVER_MODULE_LIBS=
if test "$with_driver_modules" = "yes" || test
"$with_driver_modules" = "check"; then
- if test "$dlfcn_found" != "yes" || test "$dlopen_found"
!= "yes"; then
+ if test "$with_dlfcn" != "yes" || test "$with_dlopen" !=
"yes"; then
if test "$with_driver_modules" = "yes" ; then
AC_MSG_ERROR([You must have dlfcn.h / dlopen() support to build driver modules])
else
@@ -1981,10 +1966,7 @@ fi
if test "$with_driver_modules" = "yes" ; then
DRIVER_MODULE_LDFLAGS="-export-dynamic"
- case $ac_cv_search_dlopen in
- no*) DRIVER_MODULE_LIBS= ;;
- *) DRIVER_MODULE_LIBS=$ac_cv_search_dlopen ;;
- esac
+ DRIVER_MODULE_LIBS="$DLOPEN_LIBS"
AC_DEFINE_UNQUOTED([WITH_DRIVER_MODULES], 1, [whether to build drivers as modules])
fi
AM_CONDITIONAL([WITH_DRIVER_MODULES], [test "$with_driver_modules" !=
"no"])
@@ -2402,6 +2384,7 @@ LIBVIRT_RESULT_BLKID
LIBVIRT_RESULT_CAPNG
LIBVIRT_RESULT_CURL
LIBVIRT_RESULT_DBUS
+LIBVIRT_RESULT_DLOPEN
LIBVIRT_RESULT_FUSE
LIBVIRT_RESULT_GLUSTER
LIBVIRT_RESULT_GNUTLS
@@ -2420,7 +2403,6 @@ LIBVIRT_RESULT_SELINUX
LIBVIRT_RESULT_SSH2
LIBVIRT_RESULT_UDEV
LIBVIRT_RESULT_YAJL
-AC_MSG_NOTICE([ dlopen: $DLOPEN_LIBS])
AC_MSG_NOTICE([firewalld: $with_firewalld])
if test "$with_polkit" = "yes" ; then
if test "$with_polkit0" = "yes" ; then
diff --git a/m4/virt-dlopen.m4 b/m4/virt-dlopen.m4
new file mode 100644
index 0000000000..412ce79ade
--- /dev/null
+++ b/m4/virt-dlopen.m4
@@ -0,0 +1,45 @@
+dnl The dlopen library
+dnl
+dnl Copyright (C) 2016 Red Hat, Inc.
+dnl
+dnl This library is free software; you can redistribute it and/or
+dnl modify it under the terms of the GNU Lesser General Public
+dnl License as published by the Free Software Foundation; either
+dnl version 2.1 of the License, or (at your option) any later version.
+dnl
+dnl This library is distributed in the hope that it will be useful,
+dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
+dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+dnl Lesser General Public License for more details.
+dnl
+dnl You should have received a copy of the GNU Lesser General Public
+dnl License along with this library. If not, see
+dnl <http://www.gnu.org/licenses/>;.
+dnl
+
+AC_DEFUN([LIBVIRT_CHECK_DLOPEN], [
+
+ with_dlopen=yes
+ with_dlfcn=yes
+
+ AC_CHECK_HEADER([dlfcn.h],, [with_dlfcn=no])
+ AC_SEARCH_LIBS([dlopen], [dl],, [with_dlopen=no])
+
+ case $ac_cv_search_dlopen:$host_os in
+ 'none required'* | *:mingw* | *:msvc*)
+ DLOPEN_LIBS= ;;
+ no*)
+ AC_MSG_ERROR([Unable to find dlopen()]) ;;
+ *)
+ if test "x$with_dlfcn" != "xyes"; then
+ AC_MSG_ERROR([Unable to find dlfcn.h])
+ fi
+ DLOPEN_LIBS=$ac_cv_search_dlopen ;;
+ esac
+
+ AC_SUBST([DLOPEN_LIBS])
+])
+
+AC_DEFUN([LIBVIRT_RESULT_DLOPEN], [
+ LIBVIRT_RESULT_LIB([DLOPEN])
+])
--
2.11.0