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dnl Process this file with autoconf to produce a configure script.
dnl NB: The version here is not used. If gdb ever changes from generating its
dnl version at build time to autoconf time (like bfd et al do), we can switch.
AC_INIT([sim], [0],
[https://sourceware.org/bugzilla/enter_bug.cgi?product=gdb&component=sim],
[], [https://sourceware.org/gdb/wiki/Sim/])
dnl Probably should unify PKGVERSION with PACKAGE_* settings from AC_INIT.
ACX_PKGVERSION([SIM])
AC_DEFINE_UNQUOTED([PKGVERSION], ["$PKGVERSION"], [Additional package description])
dnl PACKAGE_BUGREPORT is provided by AC_INIT.
ACX_BUGURL([$PACKAGE_BUGREPORT])
AC_DEFINE_UNQUOTED([REPORT_BUGS_TO], ["$REPORT_BUGS_TO"], [Bug reporting address])
AC_CONFIG_HEADERS([config.h])
SIM_AC_TOOLCHAIN
SIM_AC_PLATFORM
AM_MAINTAINER_MODE
AM_INIT_AUTOMAKE
AM_SILENT_RULES([yes])
# If a cpu ever has more than one simulator to choose from, use
# --enable-sim=... to choose.
AC_ARG_ENABLE(sim,
[AS_HELP_STRING([--enable-sim], [Enable the GNU simulator])],
[case "${enableval}" in
yes | no) ;;
*) AC_MSG_ERROR(bad value ${enableval} given for --enable-sim option) ;;
esac])
AC_ARG_ENABLE([example-sims],
[AC_HELP_STRING([--enable-example-sims],
[enable example GNU simulators])])
AC_ARG_ENABLE(targets,
[ --enable-targets alternative target configurations],
[case "${enableval}" in
yes | "") AC_MSG_ERROR(enable-targets option must specify target names or 'all')
;;
no) enable_targets= ;;
*) enable_targets=$enableval ;;
esac])
dnl Used to keep track of which target (if any) is the default one. This is
dnl used when installing files to see if they need to be suffixed.
SIM_PRIMARY_TARGET=
AC_SUBST(SIM_PRIMARY_TARGET)
SIM_SUBDIRS=
AC_SUBST(SIM_SUBDIRS)
dnl Used by common/Make-common.in to see which configure script created it.
SIM_COMMON_BUILD_TRUE=
SIM_COMMON_BUILD_FALSE='#'
AC_SUBST(SIM_COMMON_BUILD_TRUE)
AC_SUBST(SIM_COMMON_BUILD_FALSE)
AC_CONFIG_FILES(Make-common.sim:common/Make-common.in)
dnl Build a particular arch subdir.
dnl arg[1] is the arch subdir name.
dnl arg[2] is whether the arch has a dedicated configure script.
m4_define([SIM_BUILD_TARGET], [dnl
m4_if($2, [true], [dnl
AC_CONFIG_SUBDIRS($1)
], [dnl
AC_CONFIG_FILES($1/Makefile.sim:$1/Makefile.in)
AC_CONFIG_COMMANDS([$1/Makefile],
[sed -n \
-e '/^## COMMON_PRE_/,/^## End COMMON_PRE_/ {
/^srcdir / { s:= := ../:; s:$:/$1:; }
p
}' \
<Make-common.sim >$1/Makesim1.tmp
sed -n -e '/^## COMMON_POST_/,/^## End COMMON_POST_/ p' <Make-common.sim >$1/Makesim2.tmp
sed -e '/^## COMMON_PRE_/ r $1/Makesim1.tmp' \
-e '/^## COMMON_POST_/ r $1/Makesim2.tmp' \
<$1/Makefile.sim >$1/Makefile
rm -f $1/Makesim1.tmp $1/Makesim2.tmp
])
AS_VAR_APPEND([SIM_SUBDIRS], [" $1"])
])
dnl Create the depdirs for ports until we can convert them to automake.
AC_CONFIG_COMMANDS([depdir-$1],
[$SHELL $ac_aux_dir/mkinstalldirs $1/$DEPDIR],
[ac_aux_dir=$ac_aux_dir DEPDIR=$DEPDIR])
])
dnl Enable a particular arch subdir.
dnl arg[1] is the matching target triple.
dnl arg[2] is the arch subdir name.
dnl arg[3] is whether the arch has a dedicated configure script.
dnl arg[4] is any additional shell code to run for this arch.
m4_define([SIM_TARGET], [dnl
case "${targ}" in
all|$1)
if test "${targ}" = "${target}"; then
SIM_PRIMARY_TARGET=$2
fi
SIM_BUILD_TARGET($2, $3)
$4
;;
esac
])
dnl WHEN ADDING ENTRIES TO THIS MATRIX:
dnl Make sure that the left side always has two dashes. Otherwise you can get
dnl spurious matches. Even for unambiguous cases, do this as a convention, else
dnl the table becomes a real mess to understand and maintain.
if test "${enable_sim}" != no; then
sim_igen=no
for targ in `echo $target $enable_targets | sed 's/,/ /g'`
do
SIM_TARGET([aarch64*-*-*], [aarch64])
SIM_TARGET([arm*-*-*], [arm])
SIM_TARGET([avr*-*-*], [avr])
SIM_TARGET([bfin-*-*], [bfin], [true])
SIM_TARGET([bpf-*-*], [bpf], [true])
SIM_TARGET([cr16*-*-*], [cr16])
SIM_TARGET([cris-*-* | crisv32-*-*], [cris], [true])
SIM_TARGET([d10v-*-*], [d10v])
SIM_TARGET([frv-*-*], [frv], [true])
SIM_TARGET([ft32-*-*], [ft32])
SIM_TARGET([h8300*-*-*], [h8300])
SIM_TARGET([iq2000-*-*], [iq2000], [true])
SIM_TARGET([lm32-*-*], [lm32], [true])
SIM_TARGET([m32c-*-*], [m32c])
SIM_TARGET([m32r-*-*], [m32r], [true])
SIM_TARGET([m68hc11-*-*|m6811-*-*], [m68hc11])
SIM_TARGET([mcore-*-*], [mcore])
SIM_TARGET([microblaze-*-*], [microblaze])
SIM_TARGET([mips*-*-*], [mips], [true], [sim_igen=yes])
SIM_TARGET([mn10300*-*-*], [mn10300], [true], [sim_igen=yes])
SIM_TARGET([moxie-*-*], [moxie])
SIM_TARGET([msp430*-*-*], [msp430])
SIM_TARGET([or1k-*-* | or1knd-*-*], [or1k], [true])
SIM_TARGET([pru*-*-*], [pru])
SIM_TARGET([riscv*-*-*], [riscv], [true])
SIM_TARGET([rl78-*-*], [rl78])
SIM_TARGET([rx-*-*], [rx])
SIM_TARGET([sh*-*-*], [sh])
SIM_TARGET([sparc-*-rtems*|sparc-*-elf*], [erc32], [true])
SIM_TARGET([powerpc*-*-*], [ppc], [true])
SIM_TARGET([v850*-*-*], [v850], [true], [sim_igen=yes])
done
if test "x${enable_example_sims}" = xyes; then
SIM_BUILD_TARGET([example-synacor])
fi
fi
AM_CONDITIONAL([SIM_ENABLE_IGEN], [test "$sim_igen" = "yes"])
dnl Standard (and optional) simulator options.
dnl Eventually all simulators will support these.
SIM_AC_OPTION_ALIGNMENT
SIM_AC_OPTION_ASSERT
SIM_AC_OPTION_CGEN_MAINT
SIM_AC_OPTION_DEBUG
SIM_AC_OPTION_ENDIAN
SIM_AC_OPTION_ENVIRONMENT
SIM_AC_OPTION_HARDWARE
SIM_AC_OPTION_INLINE
SIM_AC_OPTION_PROFILE
SIM_AC_OPTION_STDIO
SIM_AC_OPTION_TRACE
SIM_AC_OPTION_WARNINGS
dnl These are unfortunate. They are conditionally called by other sim macros
dnl but always used by common/Make-common.in. So we have to subst here even
dnl when the rest of the code is in the respective macros. Once we merge the
dnl respective SIM_AC_OPTION_xxx call above, we can drop these.
AC_SUBST(sim_bitsize)
AC_SUBST(sim_float)
AC_SUBST(sim_scache)
AC_SUBST(sim_default_model)
AC_SUBST(sim_reserved_bits)
dnl Some arches have unique configure flags.
m4_include([rx/acinclude.m4])
AC_CONFIG_FILES([arch-subdir.mk Makefile])
AC_OUTPUT
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