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dnl Process this file with autoconf to produce a configure script.

AC_PREREQ(2.13)dnl

AC_INIT(Makefile.in)

AC_PROG_CC

AC_PROG_INSTALL

AC_CHECK_TOOL(AR, ar)

AC_CHECK_TOOL(RANLIB, ranlib, :)

AC_CONFIG_AUX_DIR(`cd $srcdir;pwd`/..)

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)

# If a cpu ever has more than one simulator to choose from, use

# --enable-sim=... to choose.

AC_ARG_ENABLE(sim,

[  --enable-sim ],

[case "${enableval}" in

yes | no) ;;

*)      AC_MSG_ERROR(bad value ${enableval} given for --enable-sim option) ;;

esac])

# Assume simulator can be built with cc.

# If the user passes --enable-sim built it regardless of $(CC).

only_if_gcc=no

only_if_enabled=no

extra_subdirs=common

# WHEN ADDING ENTRIES TO THIS MATRIX:

#  Make sure that the left side always has two dashes.  Otherwise you

#  can get spurious matches.  Even for unambiguous cases, do this as a

#  convention, else the table becomes a real mess to understand and maintain.

case "${target}" in

  arm*-*-* | thumb*-*-*)

        sim_target=arm

        extra_subdirs="${extra_subdirs} testsuite"

        ;;

  strongarm*-*-*)

        sim_target=arm

        extra_subdirs="${extra_subdirs} testsuite"

        ;;

  xscale-*-*)

        sim_target=arm

        extra_subdirs="${extra_subdirs} testsuite"

        ;;

  d10v-*-*)             sim_target=d10v ;;

  d30v-*-*)

        sim_target=d30v

        only_if_gcc=yes

        extra_subdirs="${extra_subdirs} igen"

        ;;

  fr30-*-*)             sim_target=fr30 ;;

  h8300*-*-*)           sim_target=h8300 ;;

  h8500-*-*)            sim_target=h8500 ;;

  i960-*-*)             sim_target=i960 ;;

  m32r-*-*)             sim_target=m32r ;;

  m68hc11-*-*|m6811-*-*) sim_target=m68hc11 ;;

  mcore-*-*)            sim_target=mcore ;;

  mips*-*-*)

        # The MIPS simulator can only be compiled by gcc.

        sim_target=mips

        only_if_gcc=yes

        extra_subdirs="${extra_subdirs} igen"

        ;;

  mn10300*-*-*)

        # The mn10300 simulator can only be compiled by gcc.

        sim_target=mn10300

        only_if_gcc=yes

        extra_subdirs="${extra_subdirs} igen"

        ;;

  mn10200*-*-*)

        sim_target=mn10200

        ;;

  sh*-*-*)              sim_target=sh ;;

  powerpc*-*-eabi* | powerpc*-*-solaris* | powerpc*-*-sysv4* | powerpc*-*-elf* | powerpc*-*-linux* )

        # The PowerPC simulator uses the GCC extension long long as well as

        # ANSI prototypes, so don't enable it for random host compilers

        # unless asked to.

        sim_target=ppc

        only_if_gcc=yes

        #extra_subdirs="${extra_subdirs}"

        ;;

  tic80-*-*)

        sim_target=tic80

        only_if_gcc=yes

        extra_subdirs="${extra_subdirs} igen"

        ;;

  v850-*-*)

        # The V850 simulator can only be compiled by gcc.

        sim_target=v850

        extra_subdirs="${extra_subdirs} igen"

        only_if_gcc=yes

        ;;

  v850e-*-*)

        # The V850 simulator can only be compiled by gcc.

        sim_target=v850

        extra_subdirs="${extra_subdirs} igen"

        only_if_gcc=yes

        ;;

  v850ea-*-*)

        # The V850 simulator can only be compiled by gcc.

        sim_target=v850

        extra_subdirs="${extra_subdirs} igen"

        only_if_gcc=yes

        ;;

  w65-*-*)

        sim_target=w65

        # The w65 is suffering from gradual decay.

        only_if_enabled=yes

        ;;

  z8k*-*-*)             sim_target=z8k ;;

  sparc64-*-*)

        only_if_gcc=yes

        sim_target=none # Don't build erc32 if sparc64.

        ;;

  sparclite*-*-* | sparc86x*-*-*)

        # The SPARC simulator can only be compiled by gcc.

        only_if_gcc=yes

        sim_target=erc32

        ;;

  sparc*-*-*)

        # The SPARC simulator can only be compiled by gcc.

        only_if_gcc=yes

        # Unfortunately erc32 won't build on many hosts, so only enable

        # it if the user really really wants it.

        only_if_enabled=yes

        sim_target=erc32

        ;;

  *)                    sim_target=none ;;

esac

# Is there a testsuite directory for the target?

testdir=`echo ${target} | sed -e 's/-.*-/-/'`

if test -r ${srcdir}/testsuite/${testdir}/configure ; then

  extra_subdirs="${extra_subdirs} testsuite"

fi

case "${enable_sim}" in

no)     sim_target=none ;;

yes)

        if test ${only_if_gcc} = yes ; then

                if test "${GCC}" != yes ; then

                        echo "Can't enable simulator since not compiling with GCC."

                        sim_target=none

                fi

        fi

        ;;

*)

        if test ${only_if_enabled} = yes ; then

                sim_target=none

        else

                if test ${only_if_gcc} = yes ; then

                        if test "${GCC}" != yes ; then

                                sim_target=none

                        fi

                fi

        fi

        ;;

esac

if test x"${sim_target}" != xnone ; then

        configdirs="${extra_subdirs} ${sim_target}"

        AC_CONFIG_SUBDIRS($configdirs)

fi

AC_OUTPUT(Makefile)

exit 0