1 files changed, 5 insertions, 0 deletions
diff --git a/compat.m4 b/compat.m4
index d5c01f7..4c13254 100644
--- a/compat.m4
+++ b/compat.m4
@@ -43,6 +43,11 @@ ifdef(
 	[AC_DEFUN([AC_USE_SYSTEM_EXTENSIONS], [GNU_SOURCE])]
 )
 ifdef(
+	[AC_PROG_SED],
+	,
+	[AC_DEFUN([AC_PROG_SED], [AC_CHECK_PROGS([SED], [sed])])]
+)
+ifdef(
 	[AC_TYPE_INT8_T],
 	,
 	[