mirror of
https://sourceware.org/git/binutils-gdb.git
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20b579bac5
At some point we want this to work, but it's not easy to test if the configure option isn't available. Restore it, but keep the default off.
218 lines
7.4 KiB
Plaintext
218 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], [], [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 "$SIM_SUBDIRS"])
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dnl Standard (and optional) simulator options.
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dnl Eventually all simulators will support these.
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SIM_AC_OPTION_ALIGNMENT
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SIM_AC_OPTION_ASSERT
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SIM_AC_OPTION_CGEN_MAINT
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SIM_AC_OPTION_DEBUG
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SIM_AC_OPTION_ENDIAN
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SIM_AC_OPTION_ENVIRONMENT
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SIM_AC_OPTION_HARDWARE
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SIM_AC_OPTION_INLINE
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SIM_AC_OPTION_PROFILE
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SIM_AC_OPTION_RESERVED_BITS
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SIM_AC_OPTION_SCACHE
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SIM_AC_OPTION_SMP
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SIM_AC_OPTION_STDIO
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SIM_AC_OPTION_TRACE
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SIM_AC_OPTION_WARNINGS
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AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
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AC_CACHE_VAL(sim_cv_decl_getopt_unistd_h,
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[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);])],
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sim_cv_decl_getopt_unistd_h=yes, sim_cv_decl_getopt_unistd_h=no)])
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AC_MSG_RESULT($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([mips/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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