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-rw-r--r--configure.ac43
1 files changed, 43 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index ea3d0fa73..9beeca1a5 100644
--- a/configure.ac
+++ b/configure.ac
@@ -504,6 +504,9 @@ AC_ARG_ENABLE(builtin-fonts, AS_HELP_STRING([--enable-builtin-fonts], [Use only
AC_ARG_ENABLE(null-root-cursor, AS_HELP_STRING([--enable-null-root-cursor], [Use an empty root cursor (default: use core cursor)]),
[NULL_ROOT_CURSOR=$enableval],
[NULL_ROOT_CURSOR=no])
+AC_ARG_ENABLE(visibility, AC_HELP_STRING([--enable-visibility], [Enable symbol visibility (default: auto)]),
+ [SYMBOL_VISIBILITY=$enableval],
+ [SYMBOL_VISIBILITY=auto])
dnl GLX build options
AC_ARG_WITH(mesa-source, AS_HELP_STRING([--with-mesa-source=MESA_SOURCE], [Path to Mesa source tree]),
@@ -1229,6 +1232,46 @@ if test "x$XORG" = xyes; then
XORG_CFLAGS="$XORGSERVER_CFLAGS -DHAVE_XORG_CONFIG_H"
XORG_LIBS="$COMPOSITE_LIB $FIXES_LIB $XEXTXORG_LIB $GLX_LIBS $RANDR_LIB $RENDER_LIB $DAMAGE_LIB $MIEXT_DAMAGE_LIB $MIEXT_SHADOW_LIB $XI_LIB $XKB_LIB $SELINUX_LIB"
+ dnl ==================================================================
+ dnl symbol visibility
+ symbol_visibility=
+ have_visibility=disabled
+ if test x$SYMBOL_VISIBILITY != xno; then
+ AC_MSG_CHECKING(for symbol visibility support)
+ if test x$GCC = xyes; then
+ VISIBILITY_CFLAGS="-fvisibility=hidden"
+ else
+ AC_CHECK_DECL([__SUNPRO_C], [SUNCC="yes"], [SUNCC="no"])
+ if test x$SUNCC = xyes; then
+ VISIBILITY_CFLAGS="-xldscope=hidden"
+ else
+ have_visibility=no
+ fi
+ fi
+ if test x$have_visibility != xno; then
+ save_CFLAGS="$CFLAGS"
+ CFLAGS="$CFLAGS $VISIBILITY_CFLAGS"
+ AC_TRY_COMPILE(
+ [#include <X11/Xfuncproto.h>
+ extern _X_HIDDEN int hidden_int;
+ extern _X_EXPORT int public_int;
+ extern _X_HIDDEN int hidden_int_func(void);
+ extern _X_EXPORT int public_int_func(void);],
+ [],
+ have_visibility=yes,
+ have_visibility=no)
+ CFLAGS=$save_CFLAGS
+ fi
+ AC_MSG_RESULT([$have_visibility])
+ if test x$have_visibility != xno; then
+ symbol_visibility=$VISIBILITY_CFLAGS
+ XORG_CFLAGS="$XORG_CFLAGS $VISIBILITY_CFLAGS"
+ fi
+ fi
+ dnl added to xorg-server.pc
+ AC_SUBST([symbol_visibility])
+ dnl ===================================================================
+
PKG_CHECK_MODULES([PCIACCESS], [pciaccess >= 0.8.0])
SAVE_LIBS=$LIBS
SAVE_CFLAGS=$CFLAGS