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-rw-r--r--configure.ac4
1 files changed, 4 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index c35909b..b9ffe77 100644
--- a/configure.ac
+++ b/configure.ac
@@ -16,6 +16,10 @@ AC_PROG_MKDIR_P
AX_CXX_COMPILE_STDCXX_11(noext,mandatory)
+AC_PROG_CC_STDC
+# Added for automake 1.13 on CentOS 7, obsolecent starting with automake 1.14
+AM_PROG_CC_C_O
+
# std::thread requires pthread
AX_PTHREAD( [
AC_DEFINE(HAVE_PTHREAD,1,[Define if you have POSIX threads libraries and header files.])