From 8a1001f236cc0d31d24c250e6eb1f0cd1c419ebc Mon Sep 17 00:00:00 2001
From: "Daniel M. Pelt" <d.m.pelt@cwi.nl>
Date: Thu, 5 Mar 2015 12:22:52 +0100
Subject: Force clang to use libstdc++ on OSX (fixes Cython compilation)

---
 build/linux/Makefile.in  |  2 ++
 build/linux/configure.ac | 13 +++++++++++++
 2 files changed, 15 insertions(+)

diff --git a/build/linux/Makefile.in b/build/linux/Makefile.in
index 92697b2..2d62a17 100644
--- a/build/linux/Makefile.in
+++ b/build/linux/Makefile.in
@@ -32,6 +32,8 @@ CXXFLAGS+=-g -O3 -Wall -Wshadow
 LIBS+=-lpthread
 LDFLAGS+=-g
 
+CPPFLAGS+=@CPPFLAGS_OS@
+
 ifeq ($(cuda),yes)
 CPPFLAGS  += @CPPFLAGS_CUDA@ -DASTRA_CUDA
 NVCCFLAGS  = @NVCCFLAGS@ @CPPFLAGS_CUDA@ -I../.. -I../../include -DASTRA_CUDA
diff --git a/build/linux/configure.ac b/build/linux/configure.ac
index b97a7a0..129079c 100644
--- a/build/linux/configure.ac
+++ b/build/linux/configure.ac
@@ -208,6 +208,19 @@ fi
 
 AC_SUBST(HAVEPYTHON)
 
+#OS specific setup
+AC_CANONICAL_HOST
+case $host_os in
+  darwin* )
+        CPPFLAGS_OS="-stdlib=libstdc++ -mmacosx-version-min=10.6"
+        ;;
+    *)
+        CPPFLAGS_OS=""
+        ;;
+esac
+
+AC_SUBST(CPPFLAGS_OS)
+
 
 # TODO:
 
-- 
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