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Changed AC_LANG from PROGRAM to SOURCE to prevent double definition of main
[folly.git]
/
folly
/
configure.ac
diff --git
a/folly/configure.ac
b/folly/configure.ac
index bceb1e5856e8fe53318a6eea9119b7c3e37a7c6f..bcfe9c9402e1df4c95fb98a01388f9cf91e7b967 100644
(file)
--- 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; };