[libvirt] [PATCH 2/2] Fix build of the VirtualBox driver when using --no-add-needed.

[Diego Elio Pettenò]

With the recent changes to the linking defaults in Fedora 13 (namely
enabling --no-add-needed behaviour by default), we have to pass the
dlopen()-providing libraries directly at the link of the module; use the
same AC_SEARCH_LIBS function as used before to look for it and add it to
the Makefile.
---
 configure.ac    |    2 ++
 src/Makefile.am |    1 +
 2 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/configure.ac b/configure.ac
index a3f28c4..d3d7340 100644
--- a/configure.ac
+++ b/configure.ac
@@ -303,6 +303,8 @@ fi
 AM_CONDITIONAL([WITH_OPENVZ], [test "$with_openvz" = "yes"])
 
 if test "x$with_vbox" = "xyes"; then
+    AC_SEARCH_LIBS([dlopen], [dl], [], [AC_MSG_ERROR([Unable to find dlopen()])])
+    AC_SUBST([DLOPEN_LIBS], [$ac_cv_search_dlopen])
     AC_DEFINE_UNQUOTED([WITH_VBOX], 1, [whether VirtualBox driver is enabled])
 fi
 AM_CONDITIONAL([WITH_VBOX], [test "$with_vbox" = "yes"])
diff --git a/src/Makefile.am b/src/Makefile.am
index 46acb7d..87fe65c 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -464,6 +464,7 @@ libvirt_driver_vbox_la_CFLAGS = \
 if WITH_DRIVER_MODULES
 libvirt_driver_vbox_la_LDFLAGS = -module -avoid-version
 endif
+libvirt_driver_vbox_la_LIBADD = $(DLOPEN_LIBS)
 libvirt_driver_vbox_la_SOURCES = $(VBOX_DRIVER_SOURCES)
 endif
 
-- 
1.7.0