sim: require AC_PROG_CPP explicitly

[deliverable/binutils-gdb.git] / sim / m4 / sim_ac_common.m4

diff --git a/sim/m4/sim_ac_common.m4 b/sim/m4/sim_ac_common.m4
index bfbde3fe1bf95e33dc5efe835d60f305d41ef74c..32d7f14c96a42f467bc0613f5066dda9c12bdcfe 100644 (file)
--- a/sim/m4/sim_ac_common.m4
+++ b/sim/m4/sim_ac_common.m4
@@ -22,6 +22,7 @@ dnl See README-HACKING for more details.
 AC_DEFUN([SIM_AC_COMMON],
 [
 AC_REQUIRE([AC_PROG_CC])
+AC_REQUIRE([AC_PROG_CPP])
 AC_CONFIG_HEADERS([config.h:config.in])
 AC_CANONICAL_SYSTEM
 AC_USE_SYSTEM_EXTENSIONS