gdb: add target_ops::supports_displaced_step

[deliverable/binutils-gdb.git] / sim / configure.ac

diff --git a/sim/configure.ac b/sim/configure.ac
index f1734e387a33bae80c466af14b95b9134c9e1465..896791e97e766c444224ff694185b7d6f838bf62 100644 (file)
--- a/sim/configure.ac
+++ b/sim/configure.ac
@@ -1,6 +1,5 @@
 dnl Process this file with autoconf to produce a configure script.
 m4_include([../config/override.m4])
-AC_PREREQ(2.59)dnl
 AC_INIT(Makefile.in)
 
 AC_PROG_CC
@@ -18,10 +17,12 @@ AC_SUBST(AR)
 AC_PROG_RANLIB
 
 # Put a plausible default for CC_FOR_BUILD in Makefile.
-if test "x$cross_compiling" = "xno"; then
-  CC_FOR_BUILD='$(CC)'
-else
-  CC_FOR_BUILD=gcc
+if test -z "$CC_FOR_BUILD"; then
+  if test "x$cross_compiling" = "xno"; then
+    CC_FOR_BUILD='$(CC)'
+  else
+    CC_FOR_BUILD=gcc
+  fi
 fi
 AC_SUBST(CC_FOR_BUILD)
 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
@@ -30,7 +31,7 @@ AC_SUBST(CFLAGS_FOR_BUILD)
 # If a cpu ever has more than one simulator to choose from, use
 # --enable-sim=... to choose.
 AC_ARG_ENABLE(sim,
-[  --enable-sim ],
+[AS_HELP_STRING([--enable-sim], [Enable the GNU simulator])],
 [case "${enableval}" in
 yes | no) ;;
 *)     AC_MSG_ERROR(bad value ${enableval} given for --enable-sim option) ;;
@@ -43,9 +44,6 @@ m4_define([SIM_ARCH], [
 if test "${enable_sim}" != no; then
    sinclude(configure.tgt)
    AC_CONFIG_SUBDIRS(testsuite)
-   if test "$sim_common" = yes; then
-      AC_CONFIG_SUBDIRS(common)
-   fi
    if test "$sim_igen" = yes; then
       AC_CONFIG_SUBDIRS(igen)
    fi