sim/configure.in

   1 dnl Process this file with autoconf to produce a configure script.
   2 AC_PREREQ(2.12.1)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   strongarm*-*-*)       sim_target=arm ;;
  52   thumb*-*-*)           sim_target=arm ;;
  53   d10v-*-*)             sim_target=d10v ;;
  54   d30v-*-*)
  55         sim_target=d30v
  56         only_if_gcc=yes
  57         extra_subdirs="${extra_subdirs} igen"
  58         ;;
  59   fr30-*-*)             sim_target=fr30 ;;
  60   h8300*-*-*)           sim_target=h8300 ;;
  61   h8500-*-*)            sim_target=h8500 ;;
  62   i960-*-*)             sim_target=i960 ;;
  63   m32r-*-*)             sim_target=m32r ;;
  64   mips*-*-*)
  65         # The MIPS simulator can only be compiled by gcc.
  66         sim_target=mips
  67         only_if_gcc=yes
  68         extra_subdirs="${extra_subdirs} igen"
  69         ;;
  70   mn10300*-*-*)
  71         # The mn10300 simulator can only be compiled by gcc.
  72         sim_target=mn10300
  73         only_if_gcc=yes
  74         extra_subdirs="${extra_subdirs} igen"
  75         ;;
  76   mn10200*-*-*)
  77         sim_target=mn10200
  78         ;;
  79   sh*-*-*)              sim_target=sh ;;
  80   powerpc*-*-eabi* | powerpc*-*-solaris* | powerpc*-*-sysv4* | powerpc*-*-elf* | powerpc*-*-linux* )
  81         # The PowerPC simulator uses the GCC extension long long as well as
  82         # ANSI prototypes, so don't enable it for random host compilers
  83         # unless asked to.
  84         sim_target=ppc
  85         only_if_gcc=yes
  86         #extra_subdirs="${extra_subdirs}"
  87         ;;
  88   v850-*-*)
  89         # The V850 simulator can only be compiled by gcc.
  90         sim_target=v850
  91         extra_subdirs="${extra_subdirs} igen"
  92         only_if_gcc=yes
  93         ;;
  94   v850e-*-*)
  95         # The V850 simulator can only be compiled by gcc.
  96         sim_target=v850
  97         extra_subdirs="${extra_subdirs} igen"
  98         only_if_gcc=yes
  99         ;;
 100   v850ea-*-*)
 101         # The V850 simulator can only be compiled by gcc.
 102         sim_target=v850
 103         extra_subdirs="${extra_subdirs} igen"
 104         only_if_gcc=yes
 105         ;;
 106   w65-*-*)
 107         sim_target=w65
 108         # The w65 is suffering from gradual decay.
 109         only_if_enabled=yes
 110         ;;
 111   z8k*-*-*)             sim_target=z8k ;;
 112   sparc64-*-*)
 113         only_if_gcc=yes
 114         if test "x${with_cgen}" = xyes -o "x${with_cgen_sim}" = xyes ; then
 115                 sim_target=sparc
 116                 extra_subdirs="${extra_subdirs} testsuite"
 117         else
 118                 sim_target=none # Don't build erc32 if sparc64.
 119         fi
 120         ;;
 121   sparclite*-*-* | sparc86x*-*-*)
 122         # The SPARC simulator can only be compiled by gcc.
 123         only_if_gcc=yes
 124         if test "x${with_cgen}" = xyes -o "x${with_cgen_sim}" = xyes ; then
 125                 sim_target=sparc
 126                 extra_subdirs="${extra_subdirs} testsuite"
 127         else
 128                 sim_target=erc32
 129         fi
 130         ;;
 131   sparc*-*-*)
 132         # The SPARC simulator can only be compiled by gcc.
 133         only_if_gcc=yes
 134         if test "x${with_cgen}" = xyes -o "x${with_cgen_sim}" = xyes ; then
 135                 sim_target=sparc
 136                 extra_subdirs="${extra_subdirs} testsuite"
 137         else
 138                 # Unfortunately erc32 won't build on many hosts, so only enable
 139                 # it if the user really really wants it.
 140                 only_if_enabled=yes
 141                 sim_target=erc32
 142         fi
 143         ;;
 144   *)                    sim_target=none ;;
 145 esac
 146
 147
 148
 149
 150 # Is there a testsuite directory for the target?
 151 testdir=`echo ${target} | sed -e 's/-.*-/-/'`
 152 if test -r ${srcdir}/testsuite/${testdir}/configure ; then
 153   extra_subdirs="${extra_subdirs} testsuite"
 154 fi
 155
 156
 157 case "${enable_sim}" in
 158 no)     sim_target=none ;;
 159 yes)
 160         if test ${only_if_gcc} = yes ; then
 161                 if test "${GCC}" != yes ; then
 162                         echo "Can't enable simulator since not compiling with GCC."
 163                         sim_target=none
 164                 fi
 165         fi
 166         ;;
 167 *)
 168         if test ${only_if_enabled} = yes ; then
 169                 sim_target=none
 170         else
 171                 if test ${only_if_gcc} = yes ; then
 172                         if test "${GCC}" != yes ; then
 173                                 sim_target=none
 174                         fi
 175                 fi
 176         fi
 177         ;;
 178 esac
 179
 180 if test x"${sim_target}" != xnone ; then
 181         configdirs="${extra_subdirs} ${sim_target}"
 182         AC_CONFIG_SUBDIRS($configdirs)
 183 fi
 184
 185 AC_OUTPUT(Makefile)
 186
 187 exit 0