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-rw-r--r--sim/m4/sim_ac_toolchain.m41
1 files changed, 0 insertions, 1 deletions
diff --git a/sim/m4/sim_ac_toolchain.m4 b/sim/m4/sim_ac_toolchain.m4
index 50f08f9..cb145f7 100644
--- a/sim/m4/sim_ac_toolchain.m4
+++ b/sim/m4/sim_ac_toolchain.m4
@@ -17,7 +17,6 @@ dnl Setup the toolchain variables.
AC_DEFUN([SIM_AC_TOOLCHAIN],
[dnl
AC_CANONICAL_SYSTEM
-AC_USE_SYSTEM_EXTENSIONS
AC_REQUIRE([AC_PROG_CC])
AC_REQUIRE([AC_PROG_CPP])
AC_C_BIGENDIAN