master: Fix AC_LANG_SOURCE warnings from automake

ba9dcb41 · Mukund Sivaraman · c6d6f765 · ba9dcb41
Commit ba9dcb41 authored Mar 20, 2012 by Mukund Sivaraman
--- a/configure.ac
+++ b/configure.ac
@@ -270,7 +270,7 @@ AC_DEFUN([BIND10_CXX_TRY_FLAG], [
  bind10_save_CXXFLAGS="$CXXFLAGS"
  CXXFLAGS="$CXXFLAGS $1"

-  AC_LINK_IFELSE([int main(void){ return 0;}],
+  AC_LINK_IFELSE([AC_LANG_SOURCE([int main(void){ return 0;}])],
                 [bind10_cxx_flag=yes], [bind10_cxx_flag=no])
  CXXFLAGS="$bind10_save_CXXFLAGS"