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-rw-r--r--sim/common/acinclude.m41
1 files changed, 1 insertions, 0 deletions
diff --git a/sim/common/acinclude.m4 b/sim/common/acinclude.m4
index 2833d8e..ef42775 100644
--- a/sim/common/acinclude.m4
+++ b/sim/common/acinclude.m4
@@ -29,6 +29,7 @@ AC_REQUIRE([AC_PROG_CC])
# autoconf.info says this should be called right after AC_INIT.
AC_CONFIG_HEADER(ifelse([$1],,config.h,[$1]):config.in)
AC_CANONICAL_SYSTEM
+AC_USE_SYSTEM_EXTENSIONS
AC_ARG_PROGRAM
AC_PROG_INSTALL