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   d10v-*-*)             sim_target=d10v ;;
  52 # start-sanitize-d30v
  53   d30v-*-*)
  54         sim_target=d30v
  55         only_if_gcc=yes
  56         extra_subdirs="${extra_subdirs} igen"
  57         ;;
  58 # end-sanitize-d30v
  59   h8300*-*-*)           sim_target=h8300 ;;
  60   h8500-*-*)            sim_target=h8500 ;;
  61   m32r-*-*)             sim_target=m32r ;;
  62   mips*-*-*)
  63         # The MIPS simulator can only be compiled by gcc.
  64         sim_target=mips
  65         only_if_gcc=yes
  66         extra_subdirs="${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         ;;
  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   v850eq-*-*)
 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   sparc*-*-*)
 122         # The SPARC simulator can only be compiled by gcc.
 123         sim_target=erc32
 124         only_if_gcc=yes
 125         # Unfortunately erc32 won't build on many hosts, so only enable
 126         # it if the user really really wants it.
 127         only_if_enabled=yes
 128         ;;
 129   *)                    sim_target=none ;;
 130 esac
 131
 132
 133 # Is there a testsuite directory for the target?
 134 testdir=`echo ${target} | sed -e 's/-.*-/-/'`
 135 if test -r ${srcdir}/testsuite/${testdir}/configure ; then
 136   extra_subdirs="${extra_subdirs} testsuite"
 137 fi
 138
 139
 140 case "${enable_sim}" in
 141 no)     sim_target=none ;;
 142 yes)
 143         if test ${only_if_gcc} = yes ; then
 144                 if test "${GCC}" != yes ; then
 145                         echo "Can't enable simulator since not compiling with GCC."
 146                         sim_target=none
 147                 fi
 148         fi
 149         ;;
 150 *)
 151         if test ${only_if_enabled} = yes ; then
 152                 sim_target=none
 153         else
 154                 if test ${only_if_gcc} = yes ; then
 155                         if test "${GCC}" != yes ; then
 156                                 sim_target=none
 157                         fi
 158                 fi
 159         fi
 160         ;;
 161 esac
 162
 163 if test x"${sim_target}" != xnone ; then
 164         configdirs="${extra_subdirs} ${sim_target}"
 165         AC_CONFIG_SUBDIRS($configdirs)
 166 fi
 167
 168 AC_OUTPUT(Makefile)
 169
 170 exit 0