From 84e4822029ab4a4929486eb7936241c442cb61d0 Mon Sep 17 00:00:00 2001
From: caro <caro@7cbeb6ba-43b4-40fd-8cce-4c39aea84d33>
Date: Sun, 11 Jan 2009 09:25:47 +0000
Subject: [PATCH] mac os x port of gcc has problems with __attribute__ and
 thinks that there are nested functions. -fnested-functions must be passed to
 the compiler to allow the compilation on that platform.

git-svn-id: svn+ssh://svn.enlightenment.org/var/svn/e/trunk/eina@38544 7cbeb6ba-43b4-40fd-8cce-4c39aea84d33
---
 configure.ac       |  3 +++
 m4/ac_attribute.m4 | 14 ++++++++++++++
 2 files changed, 17 insertions(+)

diff --git a/configure.ac b/configure.ac
index 04c9da0..2f9d806 100644
--- a/configure.ac
+++ b/configure.ac
@@ -273,6 +273,9 @@ case "${host_os}" in
    mingw*)
       EINA_CFLAGS="${EINA_CFLAGS} ${EVIL_CFLAGS}"
    ;;
+   darwin*)
+      EINA_CFLAGS="${EINA_CFLAGS} -fnested-functions"
+   ;;
 esac
 
 if test "x$enable_coverage" = "xyes" ; then
diff --git a/m4/ac_attribute.m4 b/m4/ac_attribute.m4
index 34bb4db..053ea55 100644
--- a/m4/ac_attribute.m4
+++ b/m4/ac_attribute.m4
@@ -17,6 +17,14 @@ AC_DEFUN([AC_C___ATTRIBUTE__],
 
 AC_MSG_CHECKING([for __attribute__])
 
+dnl On mac os x, error of compilation without -fnested-functions
+case "${host_os}" in
+   darwin*)
+      CFLAGS_SAVE=${CFLAGS}
+      CFLAGS="${CFLAGS} -fnested-functions"
+   ;;
+esac
+
 AC_CACHE_VAL([ac_cv___attribute__],
    [AC_TRY_COMPILE(
        [
@@ -34,6 +42,12 @@ int foo(int x __attribute__ ((unused)))
     )]
 )
 
+case "${host_os}" in
+   darwin*)
+      CFLAGS=${CFLAGS_SAVE}
+   ;;
+esac
+
 AC_MSG_RESULT($ac_cv___attribute__)
 
 if test "x${ac_cv___attribute__}" = "xyes" ; then
-- 
2.7.4