From: Vlad Buslov <tailcall@icloud.com>
Date: Fri, 9 Oct 2015 12:50:09 +0000 (+0300)
Subject: Changed AC_LANG from PROGRAM to SOURCE to prevent double definition of main
X-Git-Tag: deprecate-dynamic-initializer~344^2
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=bb733f43b5674294a12c99ac3e686c4b54427917;p=folly.git

Changed AC_LANG from PROGRAM to SOURCE to prevent double definition of main
---

diff --git a/folly/configure.ac b/folly/configure.ac
index bceb1e58..bcfe9c94 100644
--- a/folly/configure.ac
+++ b/folly/configure.ac
@@ -235,7 +235,7 @@ AC_CACHE_CHECK(
   [for c++11 atomic support without GNU Atomic library],
   [folly_cv_lib_libatomic],
   [AC_LINK_IFELSE(
-    [AC_LANG_PROGRAM[
+    [AC_LANG_SOURCE[
       #include <atomic>
       int main() {
         struct Test { int val; };