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 # start-sanitize-d10v
  50   d10v-*-*)             sim_target=d10v ;;
  51 # end-sanitize-d10v
  52   h8300*-*-*)           sim_target=h8300 ;;
  53   h8500-*-*)            sim_target=h8500 ;;
  54   mips*-*-*)
  55         # The MIPS simulator can only be compiled by gcc.
  56         sim_target=mips
  57         only_if_gcc=yes
  58         ;;
  59   sh*-*-*)              sim_target=sh ;;
  60   powerpc*-*-eabi* | powerpc*-*-solaris* | powerpc*-*-sysv4* | powerpc*-*-elf* )
  61         # The PowerPC simulator uses the GCC extension long long as well as
  62         # ANSI prototypes, so don't enable it for random host compilers
  63         # unless asked to.
  64         sim_target=ppc
  65         only_if_gcc=yes
  66         ;;
  67 # start-sanitize-v850
  68   v850-*-*)
  69         # The V850 simulator can only be compiled by gcc.
  70         sim_target=v850
  71         only_if_gcc=yes
  72         ;;
  73 # end-sanitize-v850
  74   w65-*-*)              sim_target=w65 ;;
  75   z8k*-*-*)             sim_target=z8k ;;
  76   sparc*-*-*)
  77         # The SPARC simulator can only be compiled by gcc.
  78         sim_target=erc32
  79         only_if_gcc=yes
  80         ;;
  81   *)                    sim_target=none ;;
  82 esac
  83
  84 case "${enable_sim}" in
  85 no)     sim_target=none ;;
  86 yes)
  87         if test ${only_if_gcc} = yes ; then
  88                 if test "${GCC}" != yes ; then
  89                         echo "Can't enable simulator since not compiling with GCC."
  90                         sim_target=none
  91                 fi
  92         fi
  93         ;;
  94 *)
  95         if test ${only_if_gcc} = yes ; then
  96                 if test "${GCC}" != yes ; then
  97                         sim_target=none
  98                 fi
  99         fi
 100         ;;
 101 esac
 102
 103 configdirs=${sim_target}
 104 AC_CONFIG_SUBDIRS($configdirs)
 105
 106 AC_OUTPUT(Makefile)
 107
 108 exit 0