From: Ryan Lortie <desrt@desrt.ca>
Date: Mon, 21 Jun 2010 17:25:44 +0000 (-0400)
Subject: Add check for -Bsymbolic-functions linker flag
X-Git-Tag: 2.25.10~48
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=d5dc656d35887780008c95c5ed496f628948813c;p=platform%2Fupstream%2Fglib.git

Add check for -Bsymbolic-functions linker flag
---

diff --git a/configure.in b/configure.in
index 29754c5..739c01f 100644
--- a/configure.in
+++ b/configure.in
@@ -3634,6 +3634,21 @@ AC_SUBST(DBUS1_CFLAGS)
 AC_SUBST(DBUS1_LIBS)
 AM_CONDITIONAL(HAVE_DBUS1, [test "x$have_dbus1" = "xyes"])
 
+dnl
+dnl Check for -Bsymbolic-functions linker flag used to avoid
+dnl intra-library PLT jumps, if available.
+dnl
+SAVED_LDFLAGS="${LDFLAGS}"
+AC_MSG_CHECKING([for -Bsymbolic-functions linker flag])
+LDFLAGS=-Wl,-Bsymbolic-functions
+AC_TRY_LINK([], [int main (void) { return 0; }],
+            GLIB_LINK_FLAGS=-Bsymbolic-functions
+            AC_MSG_RESULT(yes),
+            GLIB_LINK_FLAGS=
+            AC_MSG_RESULT(no))
+AC_SUBST(GLIB_LINK_FLAGS)
+LDFLAGS="${SAVED_LDFLAGS}"
+
 AC_CONFIG_FILES([
 glib-2.0.pc
 glib-2.0-uninstalled.pc