binutils-gdb/gas/configure.in

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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(1.118)dnl
AC_INIT(as.h)dnl
dnl
bfd_gas=no
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
# 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
emulation=generic
# assign cpu type
# check for architecture variants
case ${target_cpu} in
hppa*) cpu_type=hppa ;;
changequote(,)dnl
i[45]86) cpu_type=i386 ;;
m680[012346]0) cpu_type=m68k ;;
m68008) cpu_type=m68k ;;
m683??) cpu_type=m68k ;;
changequote([,])dnl
m8*) cpu_type=m88k ;;
mips*el) cpu_type=mips endian=little;;
mips*) cpu_type=mips endian=big ;;
powerpc*eabi*) cpu_type=ppc obj_format=elf;;
powerpc*) cpu_type=ppc ;;
rs6000*) cpu_type=ppc ;;
sparc64) cpu_type=sparc obj_format=elf
AC_DEFINE(sparcv9) ;;
sparclite*) cpu_type=sparc ;;
*) cpu_type=${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}
generic_target=${cpu_type}-${target_vendor}-${target_os}
dev=no
# assign object format
case ${generic_target} in
a29k-amd-udi) obj_format=coff gas_target=ebmon29k ;;
a29k-amd-ebmon) obj_format=coff gas_target=ebmon29k ;;
alpha-*-netware*) obj_format=ecoff ;;
alpha-*-osf*) obj_format=ecoff ;;
# start-sanitize-arc
arc-*-elf*) obj_format=elf bfd_gas=yes ;;
# end-sanitize-arc
arm-*-riscix*) obj_format=aout ;;
hppa-*-*elf*) obj_format=elf emulation=hppa ;;
hppa-*-osf*) obj_format=som emulation=hppa ;;
hppa-*-hpux*) obj_format=som emulation=hppa ;;
hppa-*-bsd*) obj_format=som emulation=hppa ;;
hppa-*-hiux*) obj_format=som emulation=hppa ;;
h8300-*-coff) obj_format=coff ;;
i386-ibm-aix*) obj_format=coff gas_target=i386coff
emulation=i386aix ;;
i386-*-bsd*) obj_format=aout emulation=386bsd ;;
i386-*-netbsd0.8) obj_format=aout emulation=386bsd ;;
i386-*-netbsd*) obj_format=aout emulation=nbsd bfd_gas=yes;;
i386-*-linux*elf*) obj_format=elf emulation=linux ;;
i386-*-linux*coff*) obj_format=coff emulation=linux
gas_target=i386coff ;;
i386-*-linux*) obj_format=aout emulation=linux ;;
i386-*-lynxos*) obj_format=coff gas_target=i386coff
emulation=lynx ;;
i386-*-sysv4* | i386-*-solaris* | i386-*-elf)
obj_format=elf ;;
i386-*-coff | i386-*-sysv* | i386-*-sco* | i386-*-isc*)
obj_format=coff gas_target=i386coff ;;
i386-*-vsta) obj_format=aout ;;
i386-*-go32) obj_format=coff gas_target=i386coff ;;
i386-*-gnu*elf*) obj_format=elf ;;
i386-*-mach* | i386-*-gnu*)
obj_format=aout emulation=mach bfd_gas=yes ;;
i386-*-msdos*) obj_format=aout ;;
i960-*-bout) obj_format=bout ;;
i960-*-coff) obj_format=coff emulation=ic960 gas_target=ic960coff ;;
i960-*-nindy*) obj_format=bout ;;
i960-*-vxworks4*) obj_format=bout ;;
i960-*-vxworks5.0) obj_format=bout ;;
i960-*-vxworks5.*) obj_format=coff emulation=ic960 gas_target=ic960coff ;;
i960-*-vxworks*) obj_format=bout ;;
m68k-wrs-vxworks | m68k-ericsson-ose | m68k-*-sunos*)
obj_format=aout emulation=sun3 ;;
m68k-motorola-sysv) obj_format=coff gas_target=m68kcoff emulation=delta ;;
m68k-bull-sysv3*) obj_format=coff gas_target=m68kcoff emulation=dpx2 ;;
m68k-apollo-*) obj_format=coff gas_target=apollo emulation=apollo ;;
m68k-*-coff | m68k-*-sysv*)
obj_format=coff gas_target=m68kcoff ;;
m68k-*-hpux*) obj_format=hp300 emulation=hp300 ;;
m68k-*-lynxos*) obj_format=coff gas_target=m68kcoff
emulation=lynx ;;
m68k-*-netbsd*) obj_format=aout emulation=nbsd bfd_gas=yes ;;
m88k-*-coff*) obj_format=coff gas_target=m88kcoff ;;
# don't change emulation like *-*-bsd does
mips-dec-bsd*) obj_format=aout gas_target=mips-lit ;;
mips-sony-bsd*) obj_format=ecoff gas_target=mips-big ;;
mips-*-bsd*) AC_MSG_ERROR(Unknown vendor for mips-bsd configuration.) ;;
mips-*-ultrix*) obj_format=ecoff gas_target=mips-lit ;;
mips-*-ecoff*) obj_format=ecoff
case "$endian" in
big) gas_target=mips-big ;;
*) gas_target=mips-lit ;;
esac
;;
mips-*-ecoff*) obj_format=ecoff gas_target=mips-big ;;
mips-*-gnu*) obj_format=aout
case "$endian" in
big) gas_target=mips-big ;;
*) gas_target=mips-lit ;;
esac
;;
mips-*-irix5*) obj_format=elf gas_target=mips-big ;;
mips-*-irix*) obj_format=ecoff gas_target=mips-big ;;
mips-*-riscos*) obj_format=ecoff gas_target=mips-big ;;
mips-*-sysv*) obj_format=ecoff gas_target=mips-big ;;
mips-*-elf*) obj_format=elf
case "$endian" in
big) gas_target=mips-big ;;
*) gas_target=mips-lit ;;
esac
;;
ppc-*-aix*) obj_format=coff ;;
ppc-*-elf*) obj_format=elf ;;
ppc-*-netware*) obj_format=elf emulation=ppcnw ;;
ppc-*-sysv4*) obj_format=elf ;;
sh-*-coff) obj_format=coff ;;
# start-sanitize-rce
rce-*-aout) obj_format=aout ;;
# end-sanitize-rce
ns32k-pc532-mach*) obj_format=aout emulation=pc532mach ;;
ns32k-pc532-netbsd*) obj_format=aout emulation=nbsd532 ;;
sparc-*-sunos4*) obj_format=aout emulation=sun3 ;;
sparc-*-aout | sparc*-*-vxworks)
obj_format=aout ;;
sparc-*-coff) obj_format=coff ;;
sparc-*-lynxos*) obj_format=coff emulation=lynx ;;
sparc-fujitsu-none) obj_format=aout ;;
sparc-*-elf | sparc*-*-solaris*)
obj_format=elf ;;
sparc-*-netbsd*) obj_format=aout emulation=nbsd bfd_gas=yes ;;
vax-*-bsd* | vax-*-ultrix*)
obj_format=aout ;;
vax-*-vms) obj_format=vms ;;
z8k-*-coff | z8k-*-sim)
obj_format=coff ;;
w65-*-*) obj_format=coff ;;
*-*-aout | *-*-scout)
obj_format=aout ;;
*-*-nindy*)
obj_format=bout ;;
*-*-bsd*)
obj_format=aout emulation=sun3 ;;
*-*-generic) obj_format=generic ;;
*-*-xray | *-*-hms) obj_format=coff ;;
*-*-sim) obj_format=coff ;;
*-*-elf | *-*-sysv4* | *-*-solaris*)
AC_MSG_WARN(GAS support for ELF format is incomplete)
obj_format=elf dev=yes ;;
*-*-vxworks) obj_format=aout ;;
*-*-netware) obj_format=elf ;;
esac
# 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 ${srcdir}/config/tc-${cpu_type}.c; then
AC_MSG_ERROR(GAS does not support target CPU ${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 ${cpu_type}-${obj_format} 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
case ${user_bfd_gas}-${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)
bfd_gas=no
;;
*-preferred)
bfd_gas=yes
;;
yes-*)
bfd_gas=yes
;;
-*)
# User specified nothing.
;;
esac
case ${bfd_gas}-${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 ${generic_target} configuration.)
;;
esac
AC_LINK_FILES(config/tc-${cpu_type}.c config/tc-${cpu_type}.h \
config/obj-${obj_format}.h config/obj-${obj_format}.c \
config/te-${emulation}.h config/atof-${atof}.c,
targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c)
case "${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 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, int 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
])
AC_CONFIG_SUBDIRS(testsuite)
dnl This must come last.
AC_OUTPUT(Makefile doc/Makefile .gdbinit:gdbinit.in)