sim/configure.ac - binutils-gdb - Git at Google

 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([$1/Makefile],
 [sed -n \
 	-e '/^## COMMON_PRE_/,/^## End COMMON_PRE_/ {
 		/^srcdir = / s:$:/$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])
     SIM_TARGET([bpf-*-*], [bpf], [true])
     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], [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])
     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_RESERVED_BITS
 SIM_AC_OPTION_SCACHE
 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)

 dnl Some arches have unique configure flags.
 m4_include([frv/acinclude.m4])
 m4_include([rx/acinclude.m4])

 AC_CONFIG_FILES([arch-subdir.mk Makefile])
 AC_OUTPUT
	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([$1/Makefile],
	[sed -n \
	-e '/^## COMMON_PRE_/,/^## End COMMON_PRE_/ {
	/^srcdir = / s:$:/$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])
	SIM_TARGET([bpf--], [bpf], [true])
	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], [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])
	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_RESERVED_BITS
	SIM_AC_OPTION_SCACHE
	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)

	dnl Some arches have unique configure flags.
	m4_include([frv/acinclude.m4])
	m4_include([rx/acinclude.m4])

	AC_CONFIG_FILES([arch-subdir.mk Makefile])
	AC_OUTPUT