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="${extra_subdirs} igen"
  57         ;;
  58   h8300*-*-*)           sim_target=h8300 ;;
  59   h8500-*-*)            sim_target=h8500 ;;
  60   m32r-*-*)             sim_target=m32r ;;
  61   mips*-*-*)
  62         # The MIPS simulator can only be compiled by gcc.
  63         sim_target=mips
  64         only_if_gcc=yes
  65         extra_subdirs="${extra_subdirs} igen"
  66         ;;
  67   mn10300*-*-*)
  68         # The mn10300 simulator can only be compiled by gcc.
  69         sim_target=mn10300
  70         only_if_gcc=yes
  71         extra_subdirs="${extra_subdirs} igen"
  72         ;;
  73   mn10200*-*-*)
  74         sim_target=mn10200
  75         ;;
  76   sh*-*-*)              sim_target=sh ;;
  77   powerpc*-*-eabi* | powerpc*-*-solaris* | powerpc*-*-sysv4* | powerpc*-*-elf* | powerpc*-*-linux* )
  78         # The PowerPC simulator uses the GCC extension long long as well as
  79         # ANSI prototypes, so don't enable it for random host compilers
  80         # unless asked to.
  81         sim_target=ppc
  82         only_if_gcc=yes
  83         #extra_subdirs="${extra_subdirs}"
  84         ;;
  85 # start-sanitize-tic80
  86   tic80-*-*)
  87         sim_target=tic80
  88         only_if_gcc=yes
  89         extra_subdirs="${extra_subdirs} igen"
  90         ;;
  91 # end-sanitize-tic80
  92   v850-*-*)
  93         # The V850 simulator can only be compiled by gcc.
  94         sim_target=v850
  95         extra_subdirs="${extra_subdirs} igen"
  96         only_if_gcc=yes
  97         ;;
  98 # start-sanitize-v850e
  99   v850e-*-*)
 100         # The V850 simulator can only be compiled by gcc.
 101         sim_target=v850
 102         extra_subdirs="${extra_subdirs} igen"
 103         only_if_gcc=yes
 104         ;;
 105   v850ea-*-*)
 106         # The V850 simulator can only be compiled by gcc.
 107         sim_target=v850
 108         extra_subdirs="${extra_subdirs} igen"
 109         only_if_gcc=yes
 110         ;;
 111 # end-sanitize-v850e
 112   w65-*-*)
 113         sim_target=w65
 114         # The w65 is suffering from gradual decay.
 115         only_if_enabled=yes
 116         ;;
 117   z8k*-*-*)             sim_target=z8k ;;
 118   sparc64-*-*)
 119         sim_target=none # Don't build erc32 if sparc64.
 120         ;;
 121   sparclite*-*-* | sparc86x*-*-*)
 122         # The SPARC simulator can only be compiled by gcc.
 123         sim_target=erc32
 124         only_if_gcc=yes
 125         ;;
 126   sparc*-*-*)
 127         # The SPARC simulator can only be compiled by gcc.
 128         sim_target=erc32
 129         only_if_gcc=yes
 130         # Unfortunately erc32 won't build on many hosts, so only enable
 131         # it if the user really really wants it.
 132         only_if_enabled=yes
 133         ;;
 134   *)                    sim_target=none ;;
 135 esac
 136
 137
 138 # Is there a testsuite directory for the target?
 139 testdir=`echo ${target} | sed -e 's/-.*-/-/'`
 140 if test -r ${srcdir}/testsuite/${testdir}/configure ; then
 141   extra_subdirs="${extra_subdirs} testsuite"
 142 fi
 143
 144
 145 case "${enable_sim}" in
 146 no)     sim_target=none ;;
 147 yes)
 148         if test ${only_if_gcc} = yes ; then
 149                 if test "${GCC}" != yes ; then
 150                         echo "Can't enable simulator since not compiling with GCC."
 151                         sim_target=none
 152                 fi
 153         fi
 154         ;;
 155 *)
 156         if test ${only_if_enabled} = yes ; then
 157                 sim_target=none
 158         else
 159                 if test ${only_if_gcc} = yes ; then
 160                         if test "${GCC}" != yes ; then
 161                                 sim_target=none
 162                         fi
 163                 fi
 164         fi
 165         ;;
 166 esac
 167
 168 if test x"${sim_target}" != xnone ; then
 169         configdirs="${extra_subdirs} ${sim_target}"
 170         AC_CONFIG_SUBDIRS($configdirs)
 171 fi
 172
 173 AC_OUTPUT(Makefile)
 174
 175 exit 0