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Add check for -Bsymbolic-functions linker flag

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Ryan Lortie 2010-06-21 13:25:44 -04:00
parent 7556f660b5
commit d5dc656d35
1 changed files with 15 additions and 0 deletions
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15
configure.in
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@ -3634,6 +3634,21 @@ AC_SUBST(DBUS1_CFLAGS)
AC_SUBST(DBUS1_LIBS) AC_SUBST(DBUS1_LIBS)
AM_CONDITIONAL(HAVE_DBUS1, [test "x$have_dbus1" = "xyes"]) AM_CONDITIONAL(HAVE_DBUS1, [test "x$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([ AC_CONFIG_FILES([
glib-2.0.pc glib-2.0.pc
glib-2.0-uninstalled.pc glib-2.0-uninstalled.pc