|  | 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 | 
|  | AC_PROG_INSTALL | 
|  | AC_CHECK_TOOL(AR, ar) | 
|  | AC_CHECK_TOOL(RANLIB, ranlib, :) | 
|  |  | 
|  | AC_CANONICAL_SYSTEM | 
|  | AC_ARG_PROGRAM | 
|  | AC_PROG_CC | 
|  | AC_SUBST(CFLAGS) | 
|  | AC_SUBST(HDEFINES) | 
|  | AR=${AR-ar} | 
|  | AC_SUBST(AR) | 
|  | AC_PROG_RANLIB | 
|  |  | 
|  | # Put a plausible default for CC_FOR_BUILD in Makefile. | 
|  | if test "x$cross_compiling" = "xno"; then | 
|  | CC_FOR_BUILD='$(CC)' | 
|  | else | 
|  | CC_FOR_BUILD=gcc | 
|  | fi | 
|  | AC_SUBST(CC_FOR_BUILD) | 
|  | CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}} | 
|  | AC_SUBST(CFLAGS_FOR_BUILD) | 
|  |  | 
|  | # If a cpu ever has more than one simulator to choose from, use | 
|  | # --enable-sim=... to choose. | 
|  | AC_ARG_ENABLE(sim, | 
|  | [AS_HELP_STRING([--enable-sim], [Enable the GNU simulator])], | 
|  | [case "${enableval}" in | 
|  | yes | no) ;; | 
|  | *)	AC_MSG_ERROR(bad value ${enableval} given for --enable-sim option) ;; | 
|  | esac]) | 
|  |  | 
|  | m4_define([SIM_ARCH], [ | 
|  | sim_arch=$1 | 
|  | AC_CONFIG_SUBDIRS($1) | 
|  | ]) | 
|  | if test "${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 | 
|  | fi | 
|  |  | 
|  | AC_OUTPUT(Makefile) | 
|  |  | 
|  | exit 0 |