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-rw-r--r--configure.ac3
1 files changed, 3 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index 42f0dc4c..baec6697 100644
--- a/configure.ac
+++ b/configure.ac
@@ -23,6 +23,9 @@ AM_CONDITIONAL([BUILD_MAN], [test "x$enable_man_doc" = "xyes" ])
# Checks for programs.
AC_PROG_CC
+
+AC_USE_SYSTEM_EXTENSIONS
+
AC_PROG_MKDIR_P
AC_PROG_INSTALL
AC_PROG_SED