binutils-gdb/sim/configure.ac
Mike Frysinger 20b579bac5 sim: smp: make option available again
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.
2022-12-25 02:13:30 -05:00

218 lines
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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)
dnl Directories that we need to recurse into (i.e. add to $SUBDIRS).
SIM_SUBDIRS=
AC_SUBST(SIM_SUBDIRS)
dnl List of enabled arch backends.
SIM_ENABLED_ARCHES=
AC_SUBST(SIM_ENABLED_ARCHES)
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
AS_VAR_APPEND([SIM_ENABLED_ARCHES], [" $1"])
m4_if($2, [true], [dnl
AC_CONFIG_SUBDIRS($1)
], [dnl
AC_CONFIG_FILES($1/Makefile.sim:$1/Makefile.in)
AC_CONFIG_COMMANDS([$1/Makefile],
[sed -n \
-e '/^## COMMON_PRE_/,/^## End COMMON_PRE_/ {
/^srcdir = / s:$:/$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"])
])
AC_CONFIG_FILES($1/.gdbinit:common/gdbinit.in)
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
sim_enable_arch_$2=false
case "${targ}" in
all|$1)
if test "${targ}" = "${target}"; then
SIM_PRIMARY_TARGET=$2
fi
SIM_BUILD_TARGET($2, $3)
sim_enable_arch_$2=true
$4
;;
esac
SIM_AC_TOOLCHAIN_FOR_TARGET($2)
AM_CONDITIONAL([SIM_ENABLE_ARCH_$2], [${sim_enable_arch_$2}])
])
dnl WHEN ADDING ENTRIES TO THIS MATRIX:
dnl Make sure that the left side always has two dashes. Otherwise you can get
dnl spurious matches. Even for unambiguous cases, do this as a convention, else
dnl the table becomes a real mess to understand and maintain.
dnl
dnl NB: Target matching is aligned with gdb/configure.tgt. Changes must be kept
dnl in sync with that file.
if test "${enable_sim}" != no; then
sim_igen=no
for targ in `echo $target $enable_targets | sed 's/,/ /g'`
do
SIM_TARGET([aarch64*-*-*], [aarch64])
SIM_TARGET([arm*-*-*], [arm])
SIM_TARGET([avr*-*-*], [avr])
SIM_TARGET([bfin-*-*], [bfin])
SIM_TARGET([bpf-*-*], [bpf])
SIM_TARGET([cr16*-*-*], [cr16])
SIM_TARGET([cris-*-* | crisv32-*-*], [cris])
SIM_TARGET([d10v-*-*], [d10v])
SIM_TARGET([frv-*-*], [frv])
SIM_TARGET([ft32-*-*], [ft32])
SIM_TARGET([h8300*-*-*], [h8300])
SIM_TARGET([iq2000-*-*], [iq2000])
SIM_TARGET([lm32-*-*], [lm32])
SIM_TARGET([m32c-*-*], [m32c])
SIM_TARGET([m32r-*-*], [m32r])
SIM_TARGET([m68hc11-*-*|m6811-*-*], [m68hc11])
SIM_TARGET([mcore-*-*], [mcore])
SIM_TARGET([microblaze*-*-*], [microblaze])
SIM_TARGET([mips*-*-*], [mips], [], [sim_igen=yes])
SIM_TARGET([mn10300*-*-*], [mn10300], [], [sim_igen=yes])
SIM_TARGET([moxie-*-*], [moxie])
SIM_TARGET([msp430*-*-*], [msp430])
SIM_TARGET([or1k*-*-*], [or1k])
SIM_TARGET([powerpc*-*-*], [ppc], [true])
SIM_TARGET([pru*-*-*], [pru])
SIM_TARGET([riscv*-*-*], [riscv])
SIM_TARGET([rl78-*-*], [rl78])
SIM_TARGET([rx-*-*], [rx])
SIM_TARGET([sh*-*-*], [sh])
SIM_TARGET([sparc-*-*], [erc32])
SIM_TARGET([v850*-*-*], [v850], [], [sim_igen=yes])
done
if test "x${enable_example_sims}" = xyes; then
SIM_AC_TOOLCHAIN_FOR_TARGET(example-synacor)
SIM_BUILD_TARGET([example-synacor])
fi
AM_CONDITIONAL([SIM_ENABLE_ARCH_examples], [test "${enable_example_sims}" = "yes"])
fi
AM_CONDITIONAL([SIM_ENABLE_IGEN], [test "$sim_igen" = "yes"])
AM_CONDITIONAL([ENABLE_SIM], [test -n "$SIM_SUBDIRS"])
dnl Standard (and optional) simulator options.
dnl Eventually all simulators will support these.
SIM_AC_OPTION_ALIGNMENT
SIM_AC_OPTION_ASSERT
SIM_AC_OPTION_CGEN_MAINT
SIM_AC_OPTION_DEBUG
SIM_AC_OPTION_ENDIAN
SIM_AC_OPTION_ENVIRONMENT
SIM_AC_OPTION_HARDWARE
SIM_AC_OPTION_INLINE
SIM_AC_OPTION_PROFILE
SIM_AC_OPTION_RESERVED_BITS
SIM_AC_OPTION_SCACHE
SIM_AC_OPTION_SMP
SIM_AC_OPTION_STDIO
SIM_AC_OPTION_TRACE
SIM_AC_OPTION_WARNINGS
AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
AC_CACHE_VAL(sim_cv_decl_getopt_unistd_h,
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);])],
sim_cv_decl_getopt_unistd_h=yes, sim_cv_decl_getopt_unistd_h=no)])
AC_MSG_RESULT($sim_cv_decl_getopt_unistd_h)
if test $sim_cv_decl_getopt_unistd_h = yes; then
AC_DEFINE([HAVE_DECL_GETOPT], 1,
[Is the prototype for getopt in <unistd.h> in the expected format?])
fi
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)
dnl Some arches have unique configure flags.
m4_include([frv/acinclude.m4])
m4_include([mips/acinclude.m4])
m4_include([riscv/acinclude.m4])
m4_include([rx/acinclude.m4])
dnl Hack to output an "include" statement in the Makefile so automake doesn't
dnl try to follow it itself while processing Makefile.am.
include_makefile="include"
AC_SUBST(include_makefile)
AC_CONFIG_FILES([arch-subdir.mk Makefile .gdbinit:gdbinit.in])
AC_OUTPUT