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-rw-r--r--sim/m4/sim_ac_common.m43
1 files changed, 1 insertions, 2 deletions
diff --git a/sim/m4/sim_ac_common.m4 b/sim/m4/sim_ac_common.m4
index 32d7f14..0f3052a 100644
--- a/sim/m4/sim_ac_common.m4
+++ b/sim/m4/sim_ac_common.m4
@@ -41,8 +41,7 @@ fi
AC_SUBST(CC_FOR_BUILD)
AC_SUBST(CFLAGS)
-AR=${AR-ar}
-AC_SUBST(AR)
+AC_CHECK_TOOL(AR, ar)
AC_PROG_RANLIB
# Require C11 or newer. Autoconf-2.70 provides ac_cv_prog_cc_c11 when using