configure: Make -Bsymbolic check work with clang.

Update the -Bsymbolic check with the version glib has. This version
works with clang.

https://bugzilla.gnome.org/show_bug.cgi?id=759713

diff --git a/configure.ac b/configure.ac
index 5e7ea857842eeb37b4819d2fd69089d866b4e832..d3302d596f6d8110e43ff3703d2c273f22759635 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -347,15 +347,16 @@ dnl Check for -Bsymbolic-functions linker flag used to avoid
 dnl intra-library PLT jumps, if available.
 AC_ARG_ENABLE(Bsymbolic,
               [AS_HELP_STRING([--disable-Bsymbolic],[avoid linking with -Bsymbolic])],,
-              [SAVED_LDFLAGS="${LDFLAGS}"
+              [SAVED_LDFLAGS="${LDFLAGS}" SAVED_LIBS="${LIBS}"
                AC_MSG_CHECKING([for -Bsymbolic-functions linker flag])
                LDFLAGS=-Wl,-Bsymbolic-functions
-               AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int main (void) { return 0; }]])],[
+               LIBS=
+               AC_TRY_LINK([], [return 0],
                            AC_MSG_RESULT(yes)
-                           enable_Bsymbolic=yes],[
+                           enable_Bsymbolic=yes,
                            AC_MSG_RESULT(no)
-                           enable_Bsymbolic=no])
-               LDFLAGS="${SAVED_LDFLAGS}"])
+                           enable_Bsymbolic=no)
+               LDFLAGS="${SAVED_LDFLAGS}" LIBS="${SAVED_LIBS}"])
 
 
 dnl *** set variables based on configure arguments ***