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binutils-gdb/gas/configure.in
Ian Lance Taylor 4cbbec3182 * configure.in: No need to check whether ${cpu_type} is powerpc; 
it never will be.
	* configure: Rebuild.
1995-09-27 16:56:23 +00:00

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dnl Process this file with autoconf to produce a configure script.
dnl
dnl And be careful when changing it! If you must add tests with square
dnl brackets, be sure changequote invocations surround it.
dnl
dnl
AC_PREREQ(2.3)dnl We only need 2.0, but pre-2.3 loses on some AIX version.
AC_INIT(as.h)dnl
dnl
user_bfd_gas=
AC_ARG_ENABLE(bfd-assembler,
[ bfd-assembler use BFD back end for writing object files],
[case "${enableval}" in
yes) need_bfd=yes user_bfd_gas=yes ;;
no) user_bfd_gas=no ;;
*) AC_MSG_ERROR(bad value ${enableval} given for bfd-assembler option) ;;
esac])dnl
AC_ARG_ENABLE(targets,
[ targets alternative target configurations besides the primary],
[case "${enableval}" in
yes | "") AC_ERROR(enable-targets option must specify target names or 'all')
;;
no) enable_targets= ;;
*) enable_targets=$enableval ;;
esac])dnl
# Generate a header file -- gets more post-processing by Makefile later.
AC_CONFIG_HEADER(conf)
dnl For recursion to work right, this must be an absolute pathname.
AC_CONFIG_AUX_DIR(`cd $srcdir;pwd`/..)
AC_CANONICAL_SYSTEM
AC_ARG_PROGRAM
te_file=generic
# assign cpu type
# check for architecture variants
case ${target_cpu} in
armeb) cpu_type=arm endian=big ;;
arm*) cpu_type=arm endian=little ;;
hppa*) cpu_type=hppa ;;
changequote(,)dnl
i[45]86) cpu_type=i386 ;;
m680[012346]0) cpu_type=m68k ;;
m68008) cpu_type=m68k ;;
m683??) cpu_type=m68k ;;
changequote([,])dnl
m8*) cpu_type=m88k ;;
mips*el) cpu_type=mips endian=little;;
mips*) cpu_type=mips endian=big ;;
powerpcle*) cpu_type=ppc endian=little ;;
powerpc*) cpu_type=ppc endian=big ;;
rs6000*) cpu_type=ppc ;;
sparc64) cpu_type=sparc obj_format=elf
AC_DEFINE(sparcv9) ;;
sparclite*) cpu_type=sparc ;;
*) cpu_type=${target_cpu} ;;
esac
# do we need the opcodes library?
case ${cpu_type} in
alpha | vax)
;;
*)
OPCODES_LIB="../opcodes/libopcodes.a"
;;
esac
AC_SUBST(OPCODES_LIB)
gas_target=${cpu_type}
this_target=${generic_target}
canon_targets=""
if test -n "$enable_targets" ; then
for t in `echo $enable_targets | sed 's/,/ /g'`; do
result=`$ac_config_sub $t 2>/dev/null`
if test -n "$result" ; then
canon_targets="$canon_targets $result"
# else
# # Permit "all", etc. We don't support it yet though.
# canon_targets="$canon_targets $t"
fi
done
GAS_UNIQ(canon_targets)
fi
emulations=""
for this_target in $target $canon_targets ; do
eval `echo $this_target | sed 's/^\(.*\)-\(.*\)-\(.*\)$/cpu=\1 vendor=\2 os=\3/'`
# check for architecture variants
case ${cpu} in
hppa*) cpu_type=hppa ;;
changequote(,)dnl
i[45]86) cpu_type=i386 ;;
m680[012346]0) cpu_type=m68k ;;
m68008) cpu_type=m68k ;;
m683??) cpu_type=m68k ;;
changequote([,])dnl
m8*) cpu_type=m88k ;;
mips*el) cpu_type=mips endian=little;;
mips*) cpu_type=mips endian=big ;;
powerpcle*) cpu_type=ppc endian=little ;;
powerpc*) cpu_type=ppc endian=big ;;
rs6000*) cpu_type=ppc ;;
sparc64) cpu_type=sparc obj_format=elf want_sparcv9=true ;;
sparclite*) cpu_type=sparc ;;
*) cpu_type=${cpu} ;;
esac
if test ${this_target} = $target ; then
target_cpu_type=${cpu_type}
elif test ${target_cpu_type} != ${cpu_type} ; then
continue
fi
targ=${cpu_type}
generic_target=${cpu_type}-$vendor-$os
dev=no
bfd_gas=no
em=generic
# assign object format
case ${generic_target} in
a29k-amd-udi) fmt=coff targ=ebmon29k ;;
a29k-amd-ebmon) fmt=coff targ=ebmon29k ;;
a29k-*-vxworks*) fmt=coff ;;
alpha-*-netware*) fmt=ecoff ;;
alpha-*-osf*) fmt=ecoff ;;
# start-sanitize-arc
arc-*-elf*) fmt=elf bfd_gas=yes ;;
# end-sanitize-arc
arm-*-riscix*) fmt=aout targ=arm-lit ;;
arm-*-aout) fmt=aout
case "$endian" in
big) targ=arm-big ;;
*) targ=arm-lit ;;
esac
;;
arm-*-riscix*) fmt=aout ;;
arm-*-pe) fmt=coff targ=armcoff em=pe ;;
hppa-*-*elf*) fmt=elf em=hppa ;;
hppa-*-lites*) fmt=elf em=hppa ;;
hppa-*-osf*) fmt=som em=hppa ;;
hppa-*-hpux*) fmt=som em=hppa ;;
hppa-*-bsd*) fmt=som em=hppa ;;
hppa-*-hiux*) fmt=som em=hppa ;;
h8300-*-coff) fmt=coff ;;
i386-ibm-aix*) fmt=coff targ=i386coff
em=i386aix ;;
i386-*-bsd*) fmt=aout em=386bsd ;;
i386-*-netbsd0.8) fmt=aout em=386bsd ;;
i386-*-netbsd*) fmt=aout em=nbsd bfd_gas=yes;;
i386-*-linux*aout* | i386-*-linuxoldld) fmt=aout em=linux ;;
i386-*-linux*coff*) fmt=coff em=linux
targ=i386coff ;;
i386-*-linux*) fmt=elf em=linux ;;
i386-*-lynxos*) fmt=coff targ=i386coff
em=lynx ;;
i386-*-sysv4* | i386-*-solaris* | i386-*-elf)
fmt=elf ;;
i386-*-coff | i386-*-sysv* | i386-*-sco* | i386-*-isc*)
fmt=coff targ=i386coff ;;
i386-*-vsta) fmt=aout ;;
i386-*-go32) fmt=coff targ=i386coff ;;
i386-*-gnu*) fmt=elf ;;
i386-*-mach*)
fmt=aout em=mach bfd_gas=yes ;;
i386-*-msdos*) fmt=aout ;;
i386-*-moss*) fmt=elf ;;
i386-*-pe) fmt=coff targ=i386coff em=pe ;;
i386-*-win32) fmt=coff targ=i386coff em=pe ;;
i386-*-*nt) fmt=coff targ=i386coff em=pe ;;
i960-*-bout) fmt=bout ;;
i960-*-coff) fmt=coff em=ic960 targ=ic960coff ;;
i960-*-nindy*) fmt=bout ;;
i960-*-vxworks4*) fmt=bout ;;
i960-*-vxworks5.0) fmt=bout ;;
i960-*-vxworks5.*) fmt=coff em=ic960 targ=ic960coff ;;
i960-*-vxworks*) fmt=bout ;;
m68k-*-vxworks* | m68k-ericsson-ose | m68k-*-sunos*)
fmt=aout em=sun3 ;;
m68k-motorola-sysv) fmt=coff targ=m68kcoff em=delta ;;
m68k-bull-sysv3*) fmt=coff targ=m68kcoff em=dpx2 ;;
m68k-apollo-*) fmt=coff targ=apollo em=apollo ;;
m68k-*-coff | m68k-*-sysv*)
fmt=coff targ=m68kcoff ;;
m68k-*-elf) fmt=elf ;;
m68k-*-hpux*) fmt=hp300 em=hp300 ;;
m68k-*-lynxos*) fmt=coff targ=m68kcoff
em=lynx ;;
m68k-*-netbsd*) fmt=aout em=nbsd bfd_gas=yes ;;
m88k-*-coff*) fmt=coff targ=m88kcoff ;;
# don't change em like *-*-bsd does
mips-dec-netbsd*) fmt=elf targ=mips-lit endian=little ;;
mips-dec-bsd*) fmt=aout targ=mips-lit ;;
mips-sony-bsd*) fmt=ecoff targ=mips-big ;;
mips-*-bsd*) AC_MSG_ERROR(Unknown vendor for mips-bsd configuration.) ;;
mips-*-ultrix*) fmt=ecoff targ=mips-lit endian=little ;;
mips-*-ecoff*) fmt=ecoff
case "$endian" in
big) targ=mips-big ;;
*) targ=mips-lit ;;
esac
;;
mips-*-ecoff*) fmt=ecoff targ=mips-big ;;
mips-*-gnu*) fmt=aout
case "$endian" in
big) targ=mips-big ;;
*) targ=mips-lit ;;
esac
;;
mips-*-irix5*) fmt=elf targ=mips-big ;;
mips-*-irix*) fmt=ecoff targ=mips-big ;;
mips-*-riscos*) fmt=ecoff targ=mips-big ;;
mips-*-sysv*) fmt=ecoff targ=mips-big ;;
mips-*-elf*) fmt=elf
case "$endian" in
big) targ=mips-big ;;
*) targ=mips-lit ;;
esac
;;
ppc-*-pe) fmt=coff em=pe
case "$endian" in
big) targ=ppc-big ;;
*) targ=ppc-lit ;;
esac
;;
ppc-*-winnt*) fmt=coff em=pe
case "$endian" in
big) targ=ppc-big ;;
*) targ=ppc-lit ;;
esac
;;
ppc-*-aix*) fmt=coff ;;
ppc-*-elf* | ppc-*-eabi* | ppc-*-sysv4*)
fmt=elf
case "$endian" in
big) targ=ppc-big ;;
*) targ=ppc-lit ;;
esac
;;
ppc-*-netware*) fmt=elf em=ppcnw ;;
sh-*-coff) fmt=coff ;;
# start-sanitize-rce
rce-*-aout) fmt=aout ;;
# end-sanitize-rce
ns32k-pc532-mach* | ns32k-pc532-ux*) fmt=aout em=pc532mach ;;
ns32k-pc532-netbsd* | ns32k-pc532-lites*) fmt=aout em=nbsd532 ;;
sparc-*-sunos4*) fmt=aout em=sun3 ;;
sparc-*-aout | sparc*-*-vxworks)
fmt=aout ;;
sparc-*-coff) fmt=coff ;;
sparc-*-lynxos*) fmt=coff em=lynx ;;
sparc-fujitsu-none) fmt=aout ;;
sparc-*-elf | sparc*-*-solaris*)
fmt=elf ;;
sparc-*-netbsd*) fmt=aout em=nbsd bfd_gas=yes ;;
vax-*-bsd* | vax-*-ultrix*)
fmt=aout ;;
vax-*-vms) fmt=vms ;;
z8k-*-coff | z8k-*-sim)
fmt=coff ;;
w65-*-*) fmt=coff ;;
*-*-aout | *-*-scout)
fmt=aout ;;
*-*-nindy*)
fmt=bout ;;
*-*-bsd*)
fmt=aout em=sun3 ;;
*-*-generic) fmt=generic ;;
*-*-xray | *-*-hms) fmt=coff ;;
*-*-sim) fmt=coff ;;
*-*-elf | *-*-sysv4* | *-*-solaris*)
AC_MSG_WARN(GAS support for ELF format is incomplete.)
fmt=elf dev=yes ;;
*-*-vxworks) fmt=aout ;;
*-*-netware) fmt=elf ;;
esac
case ${cpu_type}-${fmt} in
arm-*) bfd_gas=yes ;;
# not yet
# i386-aout) bfd_gas=preferred ;;
mips-*) bfd_gas=yes ;;
ns32k-*) bfd_gas=yes ;;
ppc-*) bfd_gas=yes ;;
sparc-*) bfd_gas=yes ;;
*-elf) bfd_gas=yes ;;
*-ecoff) bfd_gas=yes ;;
*-som) bfd_gas=yes ;;
*) ;;
esac
# Other random stuff.
test -n "$want_sparcv9" && AC_DEFINE(sparcv9)
case ${cpu_type} in
m68k) extra_objects="$extra_objects m68k-parse.o" ;;
esac
# See if we really can support this configuration with the emulation code.
if test $this_target = $target ; then
primary_bfd_gas=$bfd_gas
obj_format=$fmt
gas_target=$targ
te_file=$em
if test $bfd_gas = no ; then
# Can't support other configurations this way.
break
fi
elif test $bfd_gas = no ; then
# Can't support this configuration.
break
fi
# From target name and format, produce a list of supported emulations.
case ${generic_target}-${fmt} in
mips-*-irix5*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
mips-*-*-ecoff) case "$endian" in
big) emulation="mipsbecoff mipslecoff mipsecoff" ;;
*) emulation="mipslecoff mipsbecoff mipsecoff" ;;
esac ;;
mips-*-*-elf) case "$endian" in
big) emulation="mipsbelf mipslelf mipself" ;;
*) emulation="mipslelf mipsbelf mipself" ;;
esac ;;
esac
emulations="$emulations $emulation"
done
# Assign floating point type. Most processors with FP support
# IEEE FP. On those that don't support FP at all, usually IEEE
# is emulated.
case ${target_cpu} in
vax | tahoe ) atof=${target_cpu} ;;
*) atof=ieee ;;
esac
case "${obj_format}" in
"") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;;
esac
dnl
dnl Make sure the desired support files exist.
dnl
if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then
AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type})
fi
if test ! -r ${srcdir}/config/obj-${obj_format}.c; then
AC_MSG_ERROR(GAS does not have support for object file format ${obj_format})
fi
# and target makefile frag
target_frag=${srcdir}/config/${gas_target}.mt
if test ! -r ${target_frag}; then
target_frag=/dev/null # ick! but subst_file can't be conditionalized
fi
AC_SUBST_FILE(target_frag)
case ${user_bfd_gas}-${primary_bfd_gas} in
yes-yes | no-no)
# We didn't override user's choice.
;;
no-yes)
AC_MSG_WARN(Use of BFD is required for ${target}; overriding config options.)
;;
no-preferred)
primary_bfd_gas=no
;;
*-preferred)
primary_bfd_gas=yes
;;
yes-*)
primary_bfd_gas=yes
;;
-*)
# User specified nothing.
;;
esac
# Some COFF configurations want these random other flags set.
case ${obj_format} in
coff)
case ${target_cpu_type} in
i386) AC_DEFINE(I386COFF) ;;
m68k) AC_DEFINE(M68KCOFF) ;;
m88k) AC_DEFINE(M88KCOFF) ;;
esac
;;
esac
# Getting this done right is going to be a bitch. Each configuration specified
# with --enable-targets=... should be checked for environment, format, cpu, and
# bfd_gas setting.
#
# For each configuration, the necessary object file support code must be linked
# in. This might be only one, it might be up to four. The necessary emulation
# code needs to be provided, too.
#
# And then there's "--enable-targets=all"....
#
# For now, just always do it for MIPS ELF or ECOFF configurations. Sigh.
formats="${obj_format}"
emfiles=""
EMULATIONS=""
GAS_UNIQ(emulations)
for em in . $emulations ; do
case $em in
.) continue ;;
mipsbelf | mipslelf)
fmt=elf file=mipself ;;
mipsbecoff | mipslecoff)
fmt=ecoff file=mipsecoff ;;
esac
formats="$formats $fmt"
emfiles="$emfiles e-$file.o"
EMULATIONS="$EMULATIONS &$em,"
done
GAS_UNIQ(formats)
GAS_UNIQ(emfiles)
if test `set . $formats ; shift ; echo $#` -gt 1 ; then
for fmt in $formats ; do
case $fmt in
aout) AC_DEFINE(OBJ_MAYBE_AOUT) ;;
bout) AC_DEFINE(OBJ_MAYBE_BOUT) ;;
coff) AC_DEFINE(OBJ_MAYBE_COFF) ;;
ecoff) AC_DEFINE(OBJ_MAYBE_ECOFF) ;;
elf) AC_DEFINE(OBJ_MAYBE_ELF) ;;
generic) AC_DEFINE(OBJ_MAYBE_GENERIC) ;;
hp300) AC_DEFINE(OBJ_MAYBE_HP300) ;;
ieee) AC_DEFINE(OBJ_MAYBE_IEEE) ;;
som) AC_DEFINE(OBJ_MAYBE_SOM) ;;
vms) AC_DEFINE(OBJ_MAYBE_VMS) ;;
esac
extra_objects="$extra_objects obj-$fmt.o"
done
obj_format=multi
fi
if test `set . $emfiles ; shift ; echo $#` -gt 0 ; then
te_file=multi
extra_objects="$extra_objects $emfiles"
DEFAULT_EMULATION=`set . $emulations ; echo $2`
AC_DEFINE(USE_EMULATIONS)
fi
AC_SUBST(extra_objects)
AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS)
AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION")
files="config/tc-${target_cpu_type}.c config/tc-${target_cpu_type}.h \
config/obj-${obj_format}.h config/obj-${obj_format}.c \
config/te-${te_file}.h config/atof-${atof}.c \
$extra_files"
links="targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c \
$extra_links"
case ${primary_bfd_gas}-${target_cpu_type}-${obj_format} in
yes-*-coff) need_bfd=yes ;;
no-*-coff) need_bfd=yes
AC_DEFINE(MANY_SEGMENTS) ;;
esac
reject_dev_configs=yes
case ${reject_dev_configs}-${dev} in
yes-yes) # Oops.
AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.)
;;
esac
AC_SUBST(target_cpu_type)
AC_SUBST(obj_format)
AC_SUBST(atof)
dnl AC_SUBST(emulation)
AC_LINK_FILES($files, $links)
case "${primary_bfd_gas}" in
yes) AC_DEFINE(BFD_ASSEMBLER)
need_bfd=yes ;;
esac
case "${need_bfd}" in
yes) BFDLIB=../bfd/libbfd.a
ALL_OBJ_DEPS="$ALL_OBJ_DEPS ../bfd/bfd.h"
;;
esac
AC_SUBST(BFDLIB)
AC_SUBST(ALL_OBJ_DEPS)
AC_DEFINE_UNQUOTED(TARGET_ALIAS, "${target_alias}")
AC_DEFINE_UNQUOTED(TARGET_CANONICAL, "${target}")
AC_DEFINE_UNQUOTED(TARGET_CPU, "${target_cpu}")
AC_DEFINE_UNQUOTED(TARGET_VENDOR, "${target_vendor}")
AC_DEFINE_UNQUOTED(TARGET_OS, "${target_os}")
AC_PROG_CC
AC_PROG_INSTALL
AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h stdarg.h varargs.h errno.h sys/types.h)
# Put this here so that autoconf's "cross-compiling" message doesn't confuse
# people who are not cross-compiling but are compiling cross-assemblers.
AC_MSG_CHECKING(whether compiling a cross-assembler)
if test "${host}" = "${target}"; then
cross_gas=no
else
cross_gas=yes
AC_DEFINE(CROSS_COMPILE)
fi
AC_MSG_RESULT($cross_gas)
dnl ansidecl.h will deal with const
dnl AC_CONST
AC_FUNC_ALLOCA
AC_C_INLINE
# VMS doesn't have unlink.
AC_CHECK_FUNCS(unlink remove, break)
# Some systems don't have sbrk().
AC_CHECK_FUNCS(sbrk)
# Some non-ANSI preprocessors botch requoting inside strings. That's bad
# enough, but on some of those systems, the assert macro relies on requoting
# working properly!
GAS_WORKING_ASSERT
# On some systems, the system header files may not declare malloc, realloc,
# and free. There are places where gas needs these functions to have been
# declared -- such as when taking their addresses.
gas_test_headers="
#ifdef HAVE_MEMORY_H
#include <memory.h>
#endif
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
"
GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers)
GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers)
# Does errno.h declare errno, or do we have to add a separate declaration
# for it?
GAS_CHECK_DECL_NEEDED(errno, f, int f, [
#ifdef HAVE_ERRNO_H
#include <errno.h>
#endif
])
dnl This must come last.
AC_OUTPUT(Makefile doc/Makefile .gdbinit:gdbinit.in)
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