From 2d14fafec1eecc665f40757d501be69cba667f02 Mon Sep 17 00:00:00 2001
From: Orvid King <blah38621@gmail.com>
Date: Tue, 22 Mar 2016 10:21:25 -0700
Subject: [PATCH] Revert "Changed AC_LANG from PROGRAM to SOURCE to prevent
 double definition of main"

This reverts commit bb733f43b5674294a12c99ac3e686c4b54427917.
---
 folly/configure.ac | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/folly/configure.ac b/folly/configure.ac
index bc725e23..6e031f13 100644
--- a/folly/configure.ac
+++ b/folly/configure.ac
@@ -236,7 +236,7 @@ AC_CACHE_CHECK(
   [for c++11 atomic support without GNU Atomic library],
   [folly_cv_lib_libatomic],
   [AC_LINK_IFELSE(
-    [AC_LANG_SOURCE[
+    [AC_LANG_PROGRAM[
       #include <atomic>
       int main() {
         struct Test { int val; };
-- 
2.34.1