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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 4af973b..8112171 100644
--- a/configure.ac
+++ b/configure.ac
@@ -23,6 +23,7 @@ AC_SUBST(LT_CURRENT)
AC_SUBST(LT_REVISION)
AC_SUBST(LT_AGE)
+AC_USE_SYSTEM_EXTENSIONS
AC_ISC_POSIX
AC_PROG_CC
AC_HEADER_STDC