sim/configure.ac

   1 dnl Process this file with autoconf to produce a configure script.
   2 dnl NB: The version here is not used.  If gdb ever changes from generating its
   3 dnl version at build time to autoconf time (like bfd et al do), we can switch.
   4 AC_INIT([sim], [0],
   5   [https://sourceware.org/bugzilla/enter_bug.cgi?product=gdb&component=sim],
   6   [], [https://sourceware.org/gdb/wiki/Sim/])
   7
   8 dnl Probably should unify PKGVERSION with PACKAGE_* settings from AC_INIT.
   9 ACX_PKGVERSION([SIM])
  10 AC_DEFINE_UNQUOTED([PKGVERSION], ["$PKGVERSION"], [Additional package description])
  11 dnl PACKAGE_BUGREPORT is provided by AC_INIT.
  12 ACX_BUGURL([$PACKAGE_BUGREPORT])
  13 AC_DEFINE_UNQUOTED([REPORT_BUGS_TO], ["$REPORT_BUGS_TO"], [Bug reporting address])
  14
  15 AC_CONFIG_HEADERS([config.h])
  16
  17 SIM_AC_TOOLCHAIN
  18 SIM_AC_PLATFORM
  19
  20 AM_MAINTAINER_MODE
  21 AM_INIT_AUTOMAKE
  22 AM_SILENT_RULES([yes])
  23
  24 # If a cpu ever has more than one simulator to choose from, use
  25 # --enable-sim=... to choose.
  26 AC_ARG_ENABLE(sim,
  27 [AS_HELP_STRING([--enable-sim], [Enable the GNU simulator])],
  28 [case "${enableval}" in
  29 yes | no) ;;
  30 *)      AC_MSG_ERROR(bad value ${enableval} given for --enable-sim option) ;;
  31 esac])
  32
  33 AC_ARG_ENABLE([example-sims],
  34               [AC_HELP_STRING([--enable-example-sims],
  35                               [enable example GNU simulators])])
  36
  37 AC_ARG_ENABLE(targets,
  38 [  --enable-targets        alternative target configurations],
  39 [case "${enableval}" in
  40   yes | "") AC_MSG_ERROR(enable-targets option must specify target names or 'all')
  41             ;;
  42   no)       enable_targets= ;;
  43   *)        enable_targets=$enableval ;;
  44 esac])
  45
  46 dnl Used to keep track of which target (if any) is the default one.  This is
  47 dnl used when installing files to see if they need to be suffixed.
  48 SIM_PRIMARY_TARGET=
  49 AC_SUBST(SIM_PRIMARY_TARGET)
  50
  51 dnl Directories that we need to recurse into (i.e. add to $SUBDIRS).
  52 SIM_SUBDIRS=
  53 AC_SUBST(SIM_SUBDIRS)
  54
  55 dnl List of enabled arch backends.
  56 SIM_ENABLED_ARCHES=
  57 AC_SUBST(SIM_ENABLED_ARCHES)
  58
  59 dnl Used by common/Make-common.in to see which configure script created it.
  60 SIM_COMMON_BUILD_TRUE=
  61 SIM_COMMON_BUILD_FALSE='#'
  62 AC_SUBST(SIM_COMMON_BUILD_TRUE)
  63 AC_SUBST(SIM_COMMON_BUILD_FALSE)
  64
  65 AC_CONFIG_FILES(Make-common.sim:common/Make-common.in)
  66 dnl Build a particular arch subdir.
  67 dnl arg[1] is the arch subdir name.
  68 dnl arg[2] is whether the arch has a dedicated configure script.
  69 m4_define([SIM_BUILD_TARGET], [dnl
  70   AS_VAR_APPEND([SIM_ENABLED_ARCHES], [" $1"])
  71   m4_if($2, [true], [dnl
  72     AC_CONFIG_SUBDIRS($1)
  73   ], [dnl
  74     AC_CONFIG_FILES($1/Makefile.sim:$1/Makefile.in)
  75     AC_CONFIG_COMMANDS([$1/Makefile],
  76 [sed -n \
  77         -e '/^## COMMON_PRE_/,/^## End COMMON_PRE_/ {
  78                 /^srcdir = / s:$:/$1:
  79                 p
  80         }' \
  81         <Make-common.sim >$1/Makesim1.tmp
  82  sed -n -e '/^## COMMON_POST_/,/^## End COMMON_POST_/ p' <Make-common.sim >$1/Makesim2.tmp
  83  sed -e '/^## COMMON_PRE_/ r $1/Makesim1.tmp' \
  84         -e '/^## COMMON_POST_/ r $1/Makesim2.tmp' \
  85         <$1/Makefile.sim >$1/Makefile
  86  rm -f $1/Makesim1.tmp $1/Makesim2.tmp
  87 ])
  88     AS_VAR_APPEND([SIM_SUBDIRS], [" $1"])
  89   ])
  90   AC_CONFIG_FILES($1/.gdbinit:common/gdbinit.in)
  91   dnl Create the depdirs for ports until we can convert them to automake.
  92   AC_CONFIG_COMMANDS([depdir-$1],
  93                      [$SHELL $ac_aux_dir/mkinstalldirs $1/$DEPDIR],
  94                      [ac_aux_dir=$ac_aux_dir DEPDIR=$DEPDIR])
  95 ])
  96 dnl Enable a particular arch subdir.
  97 dnl arg[1] is the matching target triple.
  98 dnl arg[2] is the arch subdir name.
  99 dnl arg[3] is whether the arch has a dedicated configure script.
 100 dnl arg[4] is any additional shell code to run for this arch.
 101 m4_define([SIM_TARGET], [dnl
 102   sim_enable_arch_$2=false
 103   case "${targ}" in
 104     all|$1)
 105       if test "${targ}" = "${target}"; then
 106         SIM_PRIMARY_TARGET=$2
 107       fi
 108       SIM_BUILD_TARGET($2, $3)
 109       sim_enable_arch_$2=true
 110       $4
 111       ;;
 112   esac
 113   SIM_AC_TOOLCHAIN_FOR_TARGET($2)
 114   AM_CONDITIONAL([SIM_ENABLE_ARCH_$2], [${sim_enable_arch_$2}])
 115 ])
 116
 117 dnl WHEN ADDING ENTRIES TO THIS MATRIX:
 118 dnl Make sure that the left side always has two dashes.  Otherwise you can get
 119 dnl spurious matches.  Even for unambiguous cases, do this as a convention, else
 120 dnl the table becomes a real mess to understand and maintain.
 121 dnl
 122 dnl NB: Target matching is aligned with gdb/configure.tgt.  Changes must be kept
 123 dnl in sync with that file.
 124 if test "${enable_sim}" != no; then
 125   sim_igen=no
 126   for targ in `echo $target $enable_targets | sed 's/,/ /g'`
 127   do
 128     SIM_TARGET([aarch64*-*-*], [aarch64])
 129     SIM_TARGET([arm*-*-*], [arm])
 130     SIM_TARGET([avr*-*-*], [avr])
 131     SIM_TARGET([bfin-*-*], [bfin])
 132     SIM_TARGET([bpf-*-*], [bpf])
 133     SIM_TARGET([cr16*-*-*], [cr16])
 134     SIM_TARGET([cris-*-* | crisv32-*-*], [cris])
 135     SIM_TARGET([d10v-*-*], [d10v])
 136     SIM_TARGET([frv-*-*], [frv])
 137     SIM_TARGET([ft32-*-*], [ft32])
 138     SIM_TARGET([h8300*-*-*], [h8300])
 139     SIM_TARGET([iq2000-*-*], [iq2000])
 140     SIM_TARGET([lm32-*-*], [lm32])
 141     SIM_TARGET([m32c-*-*], [m32c])
 142     SIM_TARGET([m32r-*-*], [m32r])
 143     SIM_TARGET([m68hc11-*-*|m6811-*-*], [m68hc11])
 144     SIM_TARGET([mcore-*-*], [mcore])
 145     SIM_TARGET([microblaze*-*-*], [microblaze])
 146     SIM_TARGET([mips*-*-*], [mips], [true], [sim_igen=yes])
 147     SIM_TARGET([mn10300*-*-*], [mn10300], [true], [sim_igen=yes])
 148     SIM_TARGET([moxie-*-*], [moxie])
 149     SIM_TARGET([msp430*-*-*], [msp430])
 150     SIM_TARGET([or1k*-*-*], [or1k])
 151     SIM_TARGET([powerpc*-*-*], [ppc], [true])
 152     SIM_TARGET([pru*-*-*], [pru])
 153     SIM_TARGET([riscv*-*-*], [riscv])
 154     SIM_TARGET([rl78-*-*], [rl78])
 155     SIM_TARGET([rx-*-*], [rx])
 156     SIM_TARGET([sh*-*-*], [sh])
 157     SIM_TARGET([sparc-*-*], [erc32])
 158     SIM_TARGET([v850*-*-*], [v850], [true], [sim_igen=yes])
 159   done
 160
 161   if test "x${enable_example_sims}" = xyes; then
 162     SIM_AC_TOOLCHAIN_FOR_TARGET(example-synacor)
 163     SIM_BUILD_TARGET([example-synacor])
 164   fi
 165   AM_CONDITIONAL([SIM_ENABLE_ARCH_examples], [test "${enable_example_sims}" = "yes"])
 166 fi
 167 AM_CONDITIONAL([SIM_ENABLE_IGEN], [test "$sim_igen" = "yes"])
 168 AM_CONDITIONAL([ENABLE_SIM], [test -n "$SIM_SUBDIRS"])
 169
 170 dnl Standard (and optional) simulator options.
 171 dnl Eventually all simulators will support these.
 172 SIM_AC_OPTION_ALIGNMENT
 173 SIM_AC_OPTION_ASSERT
 174 SIM_AC_OPTION_CGEN_MAINT
 175 SIM_AC_OPTION_DEBUG
 176 SIM_AC_OPTION_ENDIAN
 177 SIM_AC_OPTION_ENVIRONMENT
 178 SIM_AC_OPTION_HARDWARE
 179 SIM_AC_OPTION_INLINE
 180 SIM_AC_OPTION_PROFILE
 181 SIM_AC_OPTION_RESERVED_BITS
 182 SIM_AC_OPTION_SCACHE
 183 SIM_AC_OPTION_STDIO
 184 SIM_AC_OPTION_TRACE
 185 SIM_AC_OPTION_WARNINGS
 186
 187 AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
 188 AC_CACHE_VAL(sim_cv_decl_getopt_unistd_h,
 189 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);])],
 190 sim_cv_decl_getopt_unistd_h=yes, sim_cv_decl_getopt_unistd_h=no)])
 191 AC_MSG_RESULT($sim_cv_decl_getopt_unistd_h)
 192 if test $sim_cv_decl_getopt_unistd_h = yes; then
 193   AC_DEFINE([HAVE_DECL_GETOPT], 1,
 194             [Is the prototype for getopt in <unistd.h> in the expected format?])
 195 fi
 196
 197 dnl These are unfortunate.  They are conditionally called by other sim macros
 198 dnl but always used by common/Make-common.in.  So we have to subst here even
 199 dnl when the rest of the code is in the respective macros.  Once we merge the
 200 dnl respective SIM_AC_OPTION_xxx call above, we can drop these.
 201 AC_SUBST(sim_bitsize)
 202 AC_SUBST(sim_float)
 203
 204 dnl Some arches have unique configure flags.
 205 m4_include([frv/acinclude.m4])
 206 m4_include([riscv/acinclude.m4])
 207 m4_include([rx/acinclude.m4])
 208
 209 dnl Hack to output an "include" statement in the Makefile so automake doesn't
 210 dnl try to follow it itself while processing Makefile.am.
 211 include_makefile="include"
 212 AC_SUBST(include_makefile)
 213
 214 AC_CONFIG_FILES([arch-subdir.mk Makefile .gdbinit:gdbinit.in])
 215 AC_OUTPUT