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-rw-r--r--configure.ac2
1 files changed, 2 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index 55772d0..ed77e6d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -28,6 +28,8 @@ AC_INIT([libxshmfence], [1.2],
AC_CONFIG_SRCDIR([Makefile.am])
AC_CONFIG_HEADERS([config.h])
+AC_USE_SYSTEM_EXTENSIONS
+
# Initialize Automake
AM_INIT_AUTOMAKE([foreign dist-bzip2])