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

bb733f43 · Vlad Buslov · 1ccc20a4 · bb733f43
Commit bb733f43 authored Oct 09, 2015 by Vlad Buslov
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folly/configure.ac folly/configure.ac +1 -1

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--- 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; };