--- src/compiler.h	(revision 113)
+++ src/compiler.h	(revision 114)
@@ -26,7 +26,9 @@
 extern "C" {
 #endif
 
-#if defined(__GNUC__) && __GNUC__ >= 4
+#include <config.h>
+
+#ifdef HAVE_VISIBILITY_HIDDEN
 #    define EXPORT_SYMBOL __attribute__((visibility("default")))
 #else
 #    define EXPORT_SYMBOL
--- src/Makefile.am	(revision 113)
+++ src/Makefile.am	(revision 114)
@@ -36,7 +36,11 @@
 
 INCLUDES = -I$(srcdir)/../include
 
-AM_CFLAGS = $(GLIB_CFLAGS) -DG_DISABLE_DEPRECATED -D_LARGEFILE_SOURCE=1 -D_LARGE_FILES -D_FILE_OFFSET_BITS=64 -D_REENTRANT -Wall -Waggregate-return -Wmissing-declarations -Wmissing-prototypes -Wredundant-decls -Wshadow -Wstrict-prototypes -Winline -pipe $(FVISIBILITY)
+AM_CFLAGS = $(GLIB_CFLAGS) -DG_DISABLE_DEPRECATED \
+	-D_LARGEFILE_SOURCE=1 -D_LARGE_FILES -D_FILE_OFFSET_BITS=64 \
+	-D_REENTRANT -Wall -Waggregate-return -Wmissing-declarations \
+	-Wmissing-prototypes -Wredundant-decls -Wshadow -Wstrict-prototypes \
+	-Winline -pipe @GCC_FVISIBILITY_HIDDEN@
 
 install-data-hook:
 	( \
--- configure.ac	(revision 113)
+++ configure.ac	(revision 114)
@@ -48,20 +48,30 @@
 AC_PROG_CC
 
 # GCC 4.x -fvisibility=hidden {
-FVISIBILITY=""
+AC_DEFUN([CHECK_GCC_FVISIBILITY],
+[
 AC_LANG_PUSH(C)
-saved_cflags="$CFLAGS"
-CFLAGS="$CFLAGS -fvisibility=hidden"
-AC_CACHE_CHECK([whether $CC supports -fvisibility=hidden], [ac_cv_gcc_fvis],
-    [AC_COMPILE_IFELSE([ ], [ac_cv_gcc_fvis=yes], [ac_cv_gcc_fvis=no])])
-CFLAGS="$saved_cflags"
-if test "$ac_cv_gcc_fvis" = yes; then
-    FVISIBILITY="-fvisibility=hidden"
-else
-    FVISIBILITY=""
+saved_CFLAGS="$CFLAGS"
+CFLAGS="$saved_CFLAGS -fvisibility=hidden"
+AC_CACHE_CHECK([whether compiler accepts -fvisibility=hidden],
+[cv_fvisibility_hidden],
+	AC_COMPILE_IFELSE(
+		AC_LANG_PROGRAM(
+		[],
+		[]),
+		[cv_fvisibility_hidden=yes],
+		[cv_fvisibility_hidden=no]
+	)
+)
+if test "$cv_fvisibility_hidden" = "yes"; then
+AC_DEFINE(HAVE_VISIBILITY_HIDDEN, [],
+        [True if compiler supports -fvisibility=hidden])
+AC_SUBST(GCC_FVISIBILITY_HIDDEN, [-fvisibility=hidden])
 fi
-AC_SUBST(FVISIBILITY)
+CFLAGS="$saved_CFLAGS"
 AC_LANG_POP(C)
+])dnl
+CHECK_GCC_FVISIBILITY()
 # }
 
 AC_PROG_INSTALL