From a800382e11edc0aad5ac4197dc2b65f70cd66929 Mon Sep 17 00:00:00 2001
From: Alberto Garcia <berto@igalia.com>
Date: Mon, 28 May 2018 14:17:22 +0100
Subject: [PATCH] Some architectures need to add -latomic explicitly

===================================================================

Gbp-Pq: Name atomic_build_fix.patch
---
 Source/autotools/SetupCompilerFlags.m4 | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/Source/autotools/SetupCompilerFlags.m4 b/Source/autotools/SetupCompilerFlags.m4
index 2141818..2264cfb 100644
--- a/Source/autotools/SetupCompilerFlags.m4
+++ b/Source/autotools/SetupCompilerFlags.m4
@@ -72,3 +72,18 @@ AC_LANG_POP([C++])
 if test "$has_atomic" = "no"; then
    LIBS="$LIBS -latomic"
 fi
+
+# Some architectures need to add libatomic explicitly
+AC_LANG_PUSH([C++])
+AC_LINK_IFELSE([AC_LANG_SOURCE([[
+#include <atomic>
+int main() {
+   std::atomic<int64_t> i(0);
+   i++;
+   return 0;
+}
+]])], has_atomic=yes, has_atomic=no)
+AC_LANG_POP([C++])
+if test "$has_atomic" = "no"; then
+   LIBS="$LIBS -latomic"
+fi
-- 
2.30.2