mirror of
https://sourceware.org/git/binutils-gdb.git
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871aa3b9ee
We've been using this only to set the default word size to 32. We can easily move this into the makefile via a -D compiler flag and clean up the build logic quite a bit.
216 lines
7.4 KiB
Plaintext
216 lines
7.4 KiB
Plaintext
dnl Process this file with autoconf to produce a configure script.
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dnl NB: The version here is not used. If gdb ever changes from generating its
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dnl version at build time to autoconf time (like bfd et al do), we can switch.
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AC_INIT([sim], [0],
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[https://sourceware.org/bugzilla/enter_bug.cgi?product=gdb&component=sim],
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[], [https://sourceware.org/gdb/wiki/Sim/])
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dnl Probably should unify PKGVERSION with PACKAGE_* settings from AC_INIT.
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ACX_PKGVERSION([SIM])
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AC_DEFINE_UNQUOTED([PKGVERSION], ["$PKGVERSION"], [Additional package description])
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dnl PACKAGE_BUGREPORT is provided by AC_INIT.
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ACX_BUGURL([$PACKAGE_BUGREPORT])
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AC_DEFINE_UNQUOTED([REPORT_BUGS_TO], ["$REPORT_BUGS_TO"], [Bug reporting address])
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AC_CONFIG_HEADERS([config.h])
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SIM_AC_TOOLCHAIN
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SIM_AC_PLATFORM
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AM_MAINTAINER_MODE
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AM_INIT_AUTOMAKE
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AM_SILENT_RULES([yes])
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# If a cpu ever has more than one simulator to choose from, use
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# --enable-sim=... to choose.
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AC_ARG_ENABLE(sim,
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[AS_HELP_STRING([--enable-sim], [Enable the GNU simulator])],
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[case "${enableval}" in
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yes | no) ;;
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*) AC_MSG_ERROR(bad value ${enableval} given for --enable-sim option) ;;
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esac])
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AC_ARG_ENABLE([example-sims],
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[AC_HELP_STRING([--enable-example-sims],
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[enable example GNU simulators])])
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AC_ARG_ENABLE(targets,
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[ --enable-targets alternative target configurations],
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[case "${enableval}" in
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yes | "") AC_MSG_ERROR(enable-targets option must specify target names or 'all')
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;;
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no) enable_targets= ;;
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*) enable_targets=$enableval ;;
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esac])
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dnl Used to keep track of which target (if any) is the default one. This is
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dnl used when installing files to see if they need to be suffixed.
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SIM_PRIMARY_TARGET=
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AC_SUBST(SIM_PRIMARY_TARGET)
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dnl Directories that we need to recurse into (i.e. add to $SUBDIRS).
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SIM_SUBDIRS=
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AC_SUBST(SIM_SUBDIRS)
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dnl List of enabled arch backends.
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SIM_ENABLED_ARCHES=
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AC_SUBST(SIM_ENABLED_ARCHES)
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dnl Used by common/Make-common.in to see which configure script created it.
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SIM_COMMON_BUILD_TRUE=
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SIM_COMMON_BUILD_FALSE='#'
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AC_SUBST(SIM_COMMON_BUILD_TRUE)
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AC_SUBST(SIM_COMMON_BUILD_FALSE)
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AC_CONFIG_FILES(Make-common.sim:common/Make-common.in)
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dnl Build a particular arch subdir.
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dnl arg[1] is the arch subdir name.
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dnl arg[2] is whether the arch has a dedicated configure script.
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m4_define([SIM_BUILD_TARGET], [dnl
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AS_VAR_APPEND([SIM_ENABLED_ARCHES], [" $1"])
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m4_if($2, [true], [dnl
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AC_CONFIG_SUBDIRS($1)
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], [dnl
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AC_CONFIG_FILES($1/Makefile.sim:$1/Makefile.in)
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AC_CONFIG_COMMANDS([$1/Makefile],
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[sed -n \
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-e '/^## COMMON_PRE_/,/^## End COMMON_PRE_/ {
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/^srcdir = / s:$:/$1:
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p
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}' \
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<Make-common.sim >$1/Makesim1.tmp
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sed -n -e '/^## COMMON_POST_/,/^## End COMMON_POST_/ p' <Make-common.sim >$1/Makesim2.tmp
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sed -e '/^## COMMON_PRE_/ r $1/Makesim1.tmp' \
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-e '/^## COMMON_POST_/ r $1/Makesim2.tmp' \
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<$1/Makefile.sim >$1/Makefile
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rm -f $1/Makesim1.tmp $1/Makesim2.tmp
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])
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AS_VAR_APPEND([SIM_SUBDIRS], [" $1"])
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])
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AC_CONFIG_FILES($1/.gdbinit:common/gdbinit.in)
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dnl Create the depdirs for ports until we can convert them to automake.
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AC_CONFIG_COMMANDS([depdir-$1],
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[$SHELL $ac_aux_dir/mkinstalldirs $1/$DEPDIR],
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[ac_aux_dir=$ac_aux_dir DEPDIR=$DEPDIR])
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])
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dnl Enable a particular arch subdir.
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dnl arg[1] is the matching target triple.
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dnl arg[2] is the arch subdir name.
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dnl arg[3] is whether the arch has a dedicated configure script.
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dnl arg[4] is any additional shell code to run for this arch.
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m4_define([SIM_TARGET], [dnl
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sim_enable_arch_$2=false
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case "${targ}" in
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all|$1)
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if test "${targ}" = "${target}"; then
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SIM_PRIMARY_TARGET=$2
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fi
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SIM_BUILD_TARGET($2, $3)
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sim_enable_arch_$2=true
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$4
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;;
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esac
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SIM_AC_TOOLCHAIN_FOR_TARGET($2)
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AM_CONDITIONAL([SIM_ENABLE_ARCH_$2], [${sim_enable_arch_$2}])
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])
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dnl WHEN ADDING ENTRIES TO THIS MATRIX:
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dnl Make sure that the left side always has two dashes. Otherwise you can get
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dnl spurious matches. Even for unambiguous cases, do this as a convention, else
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dnl the table becomes a real mess to understand and maintain.
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dnl
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dnl NB: Target matching is aligned with gdb/configure.tgt. Changes must be kept
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dnl in sync with that file.
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if test "${enable_sim}" != no; then
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sim_igen=no
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for targ in `echo $target $enable_targets | sed 's/,/ /g'`
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do
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SIM_TARGET([aarch64*-*-*], [aarch64])
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SIM_TARGET([arm*-*-*], [arm])
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SIM_TARGET([avr*-*-*], [avr])
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SIM_TARGET([bfin-*-*], [bfin])
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SIM_TARGET([bpf-*-*], [bpf])
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SIM_TARGET([cr16*-*-*], [cr16])
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SIM_TARGET([cris-*-* | crisv32-*-*], [cris])
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SIM_TARGET([d10v-*-*], [d10v])
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SIM_TARGET([frv-*-*], [frv])
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SIM_TARGET([ft32-*-*], [ft32])
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SIM_TARGET([h8300*-*-*], [h8300])
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SIM_TARGET([iq2000-*-*], [iq2000])
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SIM_TARGET([lm32-*-*], [lm32])
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SIM_TARGET([m32c-*-*], [m32c])
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SIM_TARGET([m32r-*-*], [m32r])
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SIM_TARGET([m68hc11-*-*|m6811-*-*], [m68hc11])
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SIM_TARGET([mcore-*-*], [mcore])
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SIM_TARGET([microblaze*-*-*], [microblaze])
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SIM_TARGET([mips*-*-*], [mips], [true], [sim_igen=yes])
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SIM_TARGET([mn10300*-*-*], [mn10300], [], [sim_igen=yes])
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SIM_TARGET([moxie-*-*], [moxie])
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SIM_TARGET([msp430*-*-*], [msp430])
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SIM_TARGET([or1k*-*-*], [or1k])
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SIM_TARGET([powerpc*-*-*], [ppc], [true])
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SIM_TARGET([pru*-*-*], [pru])
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SIM_TARGET([riscv*-*-*], [riscv])
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SIM_TARGET([rl78-*-*], [rl78])
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SIM_TARGET([rx-*-*], [rx])
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SIM_TARGET([sh*-*-*], [sh])
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SIM_TARGET([sparc-*-*], [erc32])
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SIM_TARGET([v850*-*-*], [v850], [], [sim_igen=yes])
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done
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if test "x${enable_example_sims}" = xyes; then
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SIM_AC_TOOLCHAIN_FOR_TARGET(example-synacor)
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SIM_BUILD_TARGET([example-synacor])
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fi
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AM_CONDITIONAL([SIM_ENABLE_ARCH_examples], [test "${enable_example_sims}" = "yes"])
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fi
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AM_CONDITIONAL([SIM_ENABLE_IGEN], [test "$sim_igen" = "yes"])
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AM_CONDITIONAL([ENABLE_SIM], [test -n "$SIM_SUBDIRS"])
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dnl Standard (and optional) simulator options.
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dnl Eventually all simulators will support these.
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SIM_AC_OPTION_ALIGNMENT
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SIM_AC_OPTION_ASSERT
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SIM_AC_OPTION_CGEN_MAINT
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SIM_AC_OPTION_DEBUG
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SIM_AC_OPTION_ENDIAN
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SIM_AC_OPTION_ENVIRONMENT
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SIM_AC_OPTION_HARDWARE
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SIM_AC_OPTION_INLINE
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SIM_AC_OPTION_PROFILE
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SIM_AC_OPTION_RESERVED_BITS
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SIM_AC_OPTION_SCACHE
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SIM_AC_OPTION_STDIO
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SIM_AC_OPTION_TRACE
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SIM_AC_OPTION_WARNINGS
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AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
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AC_CACHE_VAL(sim_cv_decl_getopt_unistd_h,
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[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);])],
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sim_cv_decl_getopt_unistd_h=yes, sim_cv_decl_getopt_unistd_h=no)])
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AC_MSG_RESULT($sim_cv_decl_getopt_unistd_h)
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if test $sim_cv_decl_getopt_unistd_h = yes; then
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AC_DEFINE([HAVE_DECL_GETOPT], 1,
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[Is the prototype for getopt in <unistd.h> in the expected format?])
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fi
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dnl These are unfortunate. They are conditionally called by other sim macros
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dnl but always used by common/Make-common.in. So we have to subst here even
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dnl when the rest of the code is in the respective macros. Once we merge the
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dnl respective SIM_AC_OPTION_xxx call above, we can drop these.
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AC_SUBST(sim_bitsize)
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AC_SUBST(sim_float)
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dnl Some arches have unique configure flags.
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m4_include([frv/acinclude.m4])
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m4_include([riscv/acinclude.m4])
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m4_include([rx/acinclude.m4])
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dnl Hack to output an "include" statement in the Makefile so automake doesn't
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dnl try to follow it itself while processing Makefile.am.
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include_makefile="include"
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AC_SUBST(include_makefile)
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AC_CONFIG_FILES([arch-subdir.mk Makefile .gdbinit:gdbinit.in])
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AC_OUTPUT
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