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 $(CC).
  40 only_if_gcc=no
  41
  42 # WHEN ADDING ENTRIES TO THIS MATRIX:
  43 #  Make sure that the left side always has two dashes.  Otherwise you
  44 #  can get spurious matches.  Even for unambiguous cases, do this as a
  45 #  convention, else the table becomes a real mess to understand and maintain.
  46
  47 case "${target}" in
  48   arm*-*-*)             sim_target=arm ;;
  49   d10v-*-*)             sim_target=d10v ;;
  50   h8300*-*-*)           sim_target=h8300 ;;
  51   h8500-*-*)            sim_target=h8500 ;;
  52   mips*-*-*)
  53         # The MIPS simulator can only be compiled by gcc.
  54         sim_target=mips
  55         only_if_gcc=yes
  56         ;;
  57   mn10300*-*-*)
  58         # The mn10300 simulator can only be compiled by gcc.
  59         sim_target=mn10300
  60         only_if_gcc=yes
  61         ;;
  62   sh*-*-*)              sim_target=sh ;;
  63   powerpc*-*-eabi* | powerpc*-*-solaris* | powerpc*-*-sysv4* | powerpc*-*-elf* | powerpc*-*-linux* )
  64         # The PowerPC simulator uses the GCC extension long long as well as
  65         # ANSI prototypes, so don't enable it for random host compilers
  66         # unless asked to.
  67         sim_target=ppc
  68         only_if_gcc=yes
  69         ;;
  70 # start-sanitize-v850
  71   v850-*-*)
  72         # The V850 simulator can only be compiled by gcc.
  73         sim_target=v850
  74         only_if_gcc=yes
  75         ;;
  76 # end-sanitize-v850
  77   w65-*-*)              sim_target=w65 ;;
  78   z8k*-*-*)             sim_target=z8k ;;
  79   sparc64-*-*)
  80         sim_target=none # Don't build erc32 if sparc64.
  81         ;;
  82   sparc*-*-*)
  83         # The SPARC simulator can only be compiled by gcc.
  84         sim_target=erc32
  85         only_if_gcc=yes
  86         ;;
  87   *)                    sim_target=none ;;
  88 esac
  89
  90 case "${enable_sim}" in
  91 no)     sim_target=none ;;
  92 yes)
  93         if test ${only_if_gcc} = yes ; then
  94                 if test "${GCC}" != yes ; then
  95                         echo "Can't enable simulator since not compiling with GCC."
  96                         sim_target=none
  97                 fi
  98         fi
  99         ;;
 100 *)
 101         if test ${only_if_gcc} = yes ; then
 102                 if test "${GCC}" != yes ; then
 103                         sim_target=none
 104                 fi
 105         fi
 106         ;;
 107 esac
 108
 109 if test x"${sim_target}" != xnone ; then
 110         configdirs="common ${sim_target}"
 111         AC_CONFIG_SUBDIRS($configdirs)
 112 fi
 113
 114 AC_OUTPUT(Makefile)
 115
 116 exit 0