sim/configure.in

   1 dnl Process this file with autoconf to produce a configure script.
   2 AC_PREREQ(2.5)dnl
   3 AC_INIT(Makefile.in)
   4
   5 AC_PROG_CC
   6 AC_PROG_INSTALL
   7 AC_CHECK_TOOL(AR, ar)
   8 AC_CHECK_TOOL(RANLIB, ranlib, :)
   9
  10 AC_CONFIG_AUX_DIR(`cd $srcdir;pwd`/..)
  11 AC_CANONICAL_SYSTEM
  12 AC_ARG_PROGRAM
  13 AC_PROG_CC
  14 AC_SUBST(CFLAGS)
  15 AC_SUBST(HDEFINES)
  16 AR=${AR-ar}
  17 AC_SUBST(AR)
  18 AC_PROG_RANLIB
  19
  20 # Put a plausible default for CC_FOR_BUILD in Makefile.
  21 AC_C_CROSS
  22 if test "x$cross_compiling" = "xno"; then
  23   CC_FOR_BUILD='$(CC)'
  24 else
  25   CC_FOR_BUILD=gcc
  26 fi
  27 AC_SUBST(CC_FOR_BUILD)
  28
  29 # If a cpu ever has more than one simulator to choose from, use
  30 # --enable-sim=... to choose.
  31 AC_ARG_ENABLE(sim,
  32 [  --enable-sim ],
  33 [case "${enableval}" in
  34 yes | no) ;;
  35 *)      AC_MSG_ERROR(bad value ${enableval} given for --enable-sim option) ;;
  36 esac])
  37
  38 # Assume simulator can be built with cc.
  39 # If the user passes --enable-sim built it regardless of $(CC).
  40 only_if_gcc=no
  41 only_if_enabled=no
  42 extra_subdirs=common
  43
  44 # WHEN ADDING ENTRIES TO THIS MATRIX:
  45 #  Make sure that the left side always has two dashes.  Otherwise you
  46 #  can get spurious matches.  Even for unambiguous cases, do this as a
  47 #  convention, else the table becomes a real mess to understand and maintain.
  48
  49 case "${target}" in
  50   arm*-*-*)             sim_target=arm ;;
  51   thumb*-*-*)           sim_target=arm ;;
  52   d10v-*-*)             sim_target=d10v ;;
  53   d30v-*-*)
  54         sim_target=d30v
  55         only_if_gcc=yes
  56         extra_subdirs="${extra_subdirs} igen"
  57         ;;
  58   fr30-*-*)             sim_target=fr30 ;;
  59   h8300*-*-*)           sim_target=h8300 ;;
  60   h8500-*-*)            sim_target=h8500 ;;
  61   m32r-*-*)             sim_target=m32r ;;
  62   mips*-*-*)
  63         # The MIPS simulator can only be compiled by gcc.
  64         sim_target=mips
  65         only_if_gcc=yes
  66         extra_subdirs="${extra_subdirs} igen"
  67         ;;
  68   mn10300*-*-*)
  69         # The mn10300 simulator can only be compiled by gcc.
  70         sim_target=mn10300
  71         only_if_gcc=yes
  72         extra_subdirs="${extra_subdirs} igen"
  73         ;;
  74   mn10200*-*-*)
  75         sim_target=mn10200
  76         ;;
  77   sh*-*-*)              sim_target=sh ;;
  78   powerpc*-*-eabi* | powerpc*-*-solaris* | powerpc*-*-sysv4* | powerpc*-*-elf* | powerpc*-*-linux* )
  79         # The PowerPC simulator uses the GCC extension long long as well as
  80         # ANSI prototypes, so don't enable it for random host compilers
  81         # unless asked to.
  82         sim_target=ppc
  83         only_if_gcc=yes
  84         #extra_subdirs="${extra_subdirs}"
  85         ;;
  86 # start-sanitize-tic80
  87   tic80-*-*)
  88         sim_target=tic80
  89         only_if_gcc=yes
  90         extra_subdirs="${extra_subdirs} igen"
  91         ;;
  92 # end-sanitize-tic80
  93   v850-*-*)
  94         # The V850 simulator can only be compiled by gcc.
  95         sim_target=v850
  96         extra_subdirs="${extra_subdirs} igen"
  97         only_if_gcc=yes
  98         ;;
  99 # start-sanitize-v850e
 100   v850e-*-*)
 101         # The V850 simulator can only be compiled by gcc.
 102         sim_target=v850
 103         extra_subdirs="${extra_subdirs} igen"
 104         only_if_gcc=yes
 105         ;;
 106   v850ea-*-*)
 107         # The V850 simulator can only be compiled by gcc.
 108         sim_target=v850
 109         extra_subdirs="${extra_subdirs} igen"
 110         only_if_gcc=yes
 111         ;;
 112 # end-sanitize-v850e
 113   w65-*-*)
 114         sim_target=w65
 115         # The w65 is suffering from gradual decay.
 116         only_if_enabled=yes
 117         ;;
 118   z8k*-*-*)             sim_target=z8k ;;
 119   sparc64-*-*)
 120         sim_target=none # Don't build erc32 if sparc64.
 121         ;;
 122   sparclite*-*-* | sparc86x*-*-*)
 123         # The SPARC simulator can only be compiled by gcc.
 124         sim_target=erc32
 125         only_if_gcc=yes
 126         ;;
 127   sparc*-*-*)
 128         # The SPARC simulator can only be compiled by gcc.
 129         sim_target=erc32
 130         only_if_gcc=yes
 131         # Unfortunately erc32 won't build on many hosts, so only enable
 132         # it if the user really really wants it.
 133         only_if_enabled=yes
 134         ;;
 135   *)                    sim_target=none ;;
 136 esac
 137
 138
 139 # Is there a testsuite directory for the target?
 140 testdir=`echo ${target} | sed -e 's/-.*-/-/'`
 141 if test -r ${srcdir}/testsuite/${testdir}/configure ; then
 142   extra_subdirs="${extra_subdirs} testsuite"
 143 fi
 144
 145
 146 case "${enable_sim}" in
 147 no)     sim_target=none ;;
 148 yes)
 149         if test ${only_if_gcc} = yes ; then
 150                 if test "${GCC}" != yes ; then
 151                         echo "Can't enable simulator since not compiling with GCC."
 152                         sim_target=none
 153                 fi
 154         fi
 155         ;;
 156 *)
 157         if test ${only_if_enabled} = yes ; then
 158                 sim_target=none
 159         else
 160                 if test ${only_if_gcc} = yes ; then
 161                         if test "${GCC}" != yes ; then
 162                                 sim_target=none
 163                         fi
 164                 fi
 165         fi
 166         ;;
 167 esac
 168
 169 if test x"${sim_target}" != xnone ; then
 170         configdirs="${extra_subdirs} ${sim_target}"
 171         AC_CONFIG_SUBDIRS($configdirs)
 172 fi
 173
 174 AC_OUTPUT(Makefile)
 175
 176 exit 0