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 ENABLE_SIM=no
  67 dnl Build a particular arch subdir.
  68 dnl arg[1] is the arch subdir name.
  69 dnl arg[2] is whether the arch has a dedicated configure script.
  70 m4_define([SIM_BUILD_TARGET], [dnl
  71   ENABLE_SIM=yes
  72   AS_VAR_APPEND([SIM_ENABLED_ARCHES], [" $1"])
  73   m4_if($2, [true], [dnl
  74     AC_CONFIG_SUBDIRS($1)
  75   ], [dnl
  76     AC_CONFIG_FILES($1/Makefile.sim:$1/Makefile.in)
  77     AC_CONFIG_COMMANDS([$1/Makefile],
  78 [sed -n \
  79         -e '/^## COMMON_PRE_/,/^## End COMMON_PRE_/ {
  80                 /^srcdir = / s:$:/$1:
  81                 p
  82         }' \
  83         <Make-common.sim >$1/Makesim1.tmp
  84  sed -n -e '/^## COMMON_POST_/,/^## End COMMON_POST_/ p' <Make-common.sim >$1/Makesim2.tmp
  85  sed -e '/^## COMMON_PRE_/ r $1/Makesim1.tmp' \
  86         -e '/^## COMMON_POST_/ r $1/Makesim2.tmp' \
  87         <$1/Makefile.sim >$1/Makefile
  88  rm -f $1/Makesim1.tmp $1/Makesim2.tmp
  89 ])
  90     AS_VAR_APPEND([SIM_SUBDIRS], [" $1"])
  91   ])
  92   AC_CONFIG_FILES($1/.gdbinit:common/gdbinit.in)
  93   dnl Create the depdirs for ports until we can convert them to automake.
  94   AC_CONFIG_COMMANDS([depdir-$1],
  95                      [$SHELL $ac_aux_dir/mkinstalldirs $1/$DEPDIR],
  96                      [ac_aux_dir=$ac_aux_dir DEPDIR=$DEPDIR])
  97 ])
  98 dnl Enable a particular arch subdir.
  99 dnl arg[1] is the matching target triple.
 100 dnl arg[2] is the arch subdir name.
 101 dnl arg[3] is whether the arch has a dedicated configure script.
 102 dnl arg[4] is any additional shell code to run for this arch.
 103 m4_define([SIM_TARGET], [dnl
 104   sim_enable_arch_$2=false
 105   case "${targ}" in
 106     all|$1)
 107       if test "${targ}" = "${target}"; then
 108         SIM_PRIMARY_TARGET=$2
 109       fi
 110       SIM_BUILD_TARGET($2, $3)
 111       sim_enable_arch_$2=true
 112       $4
 113       ;;
 114   esac
 115   SIM_AC_TOOLCHAIN_FOR_TARGET($2)
 116   AM_CONDITIONAL([SIM_ENABLE_ARCH_$2], [${sim_enable_arch_$2}])
 117 ])
 118
 119 dnl WHEN ADDING ENTRIES TO THIS MATRIX:
 120 dnl Make sure that the left side always has two dashes.  Otherwise you can get
 121 dnl spurious matches.  Even for unambiguous cases, do this as a convention, else
 122 dnl the table becomes a real mess to understand and maintain.
 123 dnl
 124 dnl NB: Target matching is aligned with gdb/configure.tgt.  Changes must be kept
 125 dnl in sync with that file.
 126 if test "${enable_sim}" != no; then
 127   sim_igen=no
 128   for targ in `echo $target $enable_targets | sed 's/,/ /g'`
 129   do
 130     SIM_TARGET([aarch64*-*-*], [aarch64])
 131     SIM_TARGET([arm*-*-*], [arm])
 132     SIM_TARGET([avr*-*-*], [avr])
 133     SIM_TARGET([bfin-*-*], [bfin])
 134     SIM_TARGET([bpf-*-*], [bpf])
 135     SIM_TARGET([cr16*-*-*], [cr16])
 136     SIM_TARGET([cris-*-* | crisv32-*-*], [cris])
 137     SIM_TARGET([d10v-*-*], [d10v])
 138     SIM_TARGET([frv-*-*], [frv])
 139     SIM_TARGET([ft32-*-*], [ft32])
 140     SIM_TARGET([h8300*-*-*], [h8300])
 141     SIM_TARGET([iq2000-*-*], [iq2000])
 142     SIM_TARGET([lm32-*-*], [lm32])
 143     SIM_TARGET([m32c-*-*], [m32c])
 144     SIM_TARGET([m32r-*-*], [m32r])
 145     SIM_TARGET([m68hc11-*-*|m6811-*-*], [m68hc11])
 146     SIM_TARGET([mcore-*-*], [mcore])
 147     SIM_TARGET([microblaze*-*-*], [microblaze])
 148     SIM_TARGET([mips*-*-*], [mips], [], [sim_igen=yes])
 149     SIM_TARGET([mn10300*-*-*], [mn10300], [], [sim_igen=yes])
 150     SIM_TARGET([moxie-*-*], [moxie])
 151     SIM_TARGET([msp430*-*-*], [msp430])
 152     SIM_TARGET([or1k*-*-*], [or1k])
 153     SIM_TARGET([powerpc*-*-*], [ppc], [true])
 154     SIM_TARGET([pru*-*-*], [pru])
 155     SIM_TARGET([riscv*-*-*], [riscv])
 156     SIM_TARGET([rl78-*-*], [rl78])
 157     SIM_TARGET([rx-*-*], [rx])
 158     SIM_TARGET([sh*-*-*], [sh])
 159     SIM_TARGET([sparc-*-*], [erc32])
 160     SIM_TARGET([v850*-*-*], [v850], [], [sim_igen=yes])
 161   done
 162
 163   if test "x${enable_example_sims}" = xyes; then
 164     SIM_AC_TOOLCHAIN_FOR_TARGET(example-synacor)
 165     SIM_BUILD_TARGET([example-synacor])
 166   fi
 167   AM_CONDITIONAL([SIM_ENABLE_ARCH_examples], [test "${enable_example_sims}" = "yes"])
 168 fi
 169 AM_CONDITIONAL([SIM_ENABLE_IGEN], [test "$sim_igen" = "yes"])
 170 AM_CONDITIONAL([ENABLE_SIM], [test "$ENABLE_SIM" = "yes"])
 171
 172 dnl Standard (and optional) simulator options.
 173 dnl Eventually all simulators will support these.
 174 SIM_AC_OPTION_ALIGNMENT
 175 SIM_AC_OPTION_ASSERT
 176 SIM_AC_OPTION_CGEN_MAINT
 177 SIM_AC_OPTION_DEBUG
 178 SIM_AC_OPTION_ENDIAN
 179 SIM_AC_OPTION_ENVIRONMENT
 180 SIM_AC_OPTION_HARDWARE
 181 SIM_AC_OPTION_INLINE
 182 SIM_AC_OPTION_PROFILE
 183 SIM_AC_OPTION_RESERVED_BITS
 184 SIM_AC_OPTION_SCACHE
 185 SIM_AC_OPTION_SMP
 186 SIM_AC_OPTION_STDIO
 187 SIM_AC_OPTION_TRACE
 188 SIM_AC_OPTION_WARNINGS
 189
 190 dnl These are unfortunate.  They are conditionally called by other sim macros
 191 dnl but always used by common/Make-common.in.  So we have to subst here even
 192 dnl when the rest of the code is in the respective macros.  Once we merge the
 193 dnl respective SIM_AC_OPTION_xxx call above, we can drop these.
 194 AC_SUBST(sim_bitsize)
 195 AC_SUBST(sim_float)
 196
 197 dnl Some arches have unique configure flags.
 198 m4_include([frv/acinclude.m4])
 199 m4_include([mips/acinclude.m4])
 200 m4_include([riscv/acinclude.m4])
 201 m4_include([rx/acinclude.m4])
 202
 203 AC_CONFIG_FILES([arch-subdir.mk Makefile .gdbinit:gdbinit.in])
 204 AC_OUTPUT