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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 2e3409bc..537e9dc5 100644
--- a/configure.ac
+++ b/configure.ac
@@ -92,6 +92,7 @@ AC_PROG_CXX([g++ c++])
AC_PROG_INSTALL
AC_PROG_SED
AC_LANG(C++)
+AC_USE_SYSTEM_EXTENSIONS
echo "CXXFLAGS: $CXXFLAGS"