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-rw-r--r--configure.ac1
1 files changed, 1 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index da8a90a9..3d0d5159 100644
--- a/configure.ac
+++ b/configure.ac
@@ -36,6 +36,7 @@ fi
AC_PROG_CC
AC_PROG_CC_C99
AC_PROG_CXX
+AX_CXX_COMPILE_STDCXX([11], [noext], [mandatory])
AC_HEADER_STDC
LT_INIT([win32-dll])