From 170e2fd7c39c430b334ea80a1e4dfb10c6fd1e95 Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Wed, 24 Sep 2014 05:04:24 +0200
Subject: [PATCH] configure: Check if "-D_POSIX_C_SOURCE=200112
 -D_XOPEN_SOURCE=600" is needed for localtime_r()

Fixes build with musl

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
---
 configure | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/configure b/configure
index 64a5bf90a2..53a1e38f95 100755
--- a/configure
+++ b/configure
@@ -4234,6 +4234,15 @@ probe_libc(){
         eval ${pfx}libc_type=solaris
         add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
     fi
+    check_${pfx}cc <<EOF
+#include <time.h>
+void *v = localtime_r;
+EOF
+test "$?" != 0 && check_${pfx}cc -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 <<EOF && add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
+#include <time.h>
+void *v = localtime_r;
+EOF
+
 }
 
 probe_libc