[deliverable/binutils-gdb.git] / gas / configure.in

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 Remember to use "dnl" in each line before the AC_INIT call...
dnl
dnl
AC_INIT(as.h)
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_PROGRAM_TRANSFORM_NAME

emulation=generic

# assign cpu type

# check for architecture variants
case ${target_cpu} in
  hppa*)	cpu_type=hppa ;;
changequote(,)dnl
  i[45]86)	cpu_type=i386 ;;
  m680[012346]0) cpu_type=m68k ;;
  m68008)	cpu_type=m68k ;;
  m683??)       cpu_type=m68k ;;
changequote([,])dnl
  m8*)		cpu_type=m88k ;;
  mips*el)	cpu_type=mips endian=little;;
  mips*)	cpu_type=mips endian=big ;;
  powerpc*)	cpu_type=ppc ;;
  rs6000*)	cpu_type=ppc ;;
  sparc64)	cpu_type=sparc obj_format=elf AC_DEFINE(sparcv9) ;;
  sparclite*)   cpu_type=sparc ;;
  *)		cpu_type=${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 ;;

  arm-*-riscix*)	obj_format=aout bfd_gas=yes ;;

  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=netbsd ;;
  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 bfd_gas=preferred ;;
  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-*-mach* | i386-*-gnu*)
			obj_format=aout emulation=mach bfd_gas=yes ;;

  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 ;;

  m88k-*-coff*)		obj_format=coff gas_target=m88kcoff ;;

  # don't change emulation like *-*-bsd does
  mips-*-bsd*)		bfd_gas=yes obj_format=aout gas_target=mips-lit ;;
  mips-*-ultrix*)	obj_format=ecoff gas_target=mips-lit ;;
  mips-*-ecoff*)	obj_format=ecoff 
			case "$endian" in
			big) gas_target=mips-big ;;
			*)   gas_target=mips-lit ;;
			esac
			;;
  mips-*-ecoff*)	obj_format=ecoff gas_target=mips-big ;;
  mips-*-irix5*)	obj_format=elf gas_target=mips-big ;;
  mips-*-irix*)		obj_format=ecoff gas_target=mips-big ;;
  mips-*-riscos*)	obj_format=ecoff gas_target=mips-big ;;
  mips-*-sysv*)		obj_format=ecoff gas_target=mips-big ;;
  mips-*-elf*)		obj_format=elf 
			case "$endian" in
			big) gas_target=mips-big ;;
			*)   gas_target=mips-lit ;;
			esac
			;;
  ppc-*-aix*)		obj_format=coff bfd_gas=yes ;;
  ppc-*-elf*)		obj_format=elf bfd_gas=yes ;;
  ppc-*-netware*)	obj_format=elf emulation=ppcnw ;;
  ppc-*-sysv4*)		obj_format=elf bfd_gas=yes ;;

  sh-*-coff)		obj_format=coff ;;

  ns32k-pc532-mach*)	obj_format=aout emulation=pc532 bfd_gas=yes ;;
  ns32k-pc532-netbsd*)	obj_format=aout emulation=netbsd532 bfd_gas=yes ;;

  sparc*-*-sunos4*)	obj_format=aout emulation=sun3 bfd_gas=yes ;;
  sparc*-*-aout | sparc*-*-vxworks)
			obj_format=aout bfd_gas=yes ;;
  sparc*-*-coff)	obj_format=coff bfd_gas=yes ;;
  sparc*-*-lynxos*)	obj_format=coff bfd_gas=yes emulation=lynx ;;
  sparc*-fujitsu-none)	obj_format=aout bfd_gas=yes ;;
  sparc*-*-elf | sparc*-*-solaris*)
			obj_format=elf ;;

  vax-*-bsd* | vax-*-ultrix*)
			obj_format=aout ;;
  vax-*-vms)		obj_format=vms ;;

  z8k-*-coff | z8k-*-sim)
			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
AC_SUBST_FILE(target_frag)

case ${cpu_type}-${obj_format} in
# not yet
# i386-aout)	bfd_gas=preferred ;;
  *-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
    ;;
  -*)
    # 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

dnl Looks like the AC_MAKE_LINKS string is taken literally and put into the
dnl  config.status file.  So the necessary variables also have to be
dnl  exported.
AC_SUBST(cpu_type) AC_SUBST(obj_format) AC_SUBST(emulation) AC_SUBST(atof)
AC_LINK_FILES(targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c,
	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)

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)

case "x${host}" in
  x${target})				;;
  *)		AC_DEFINE(CROSS_COMPILE);;
esac

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}")

case ${host} in
  rs6000-*-*)
	# The IBM compiler mis-compiles some expressions used in gas.
	# This will tell gas to work around this lossage.
	AC_DEFINE(IBM_COMPILER_SUX) ;;
  i386-*-go32)
	# Using fopen(..., "w") for a binary file breaks under DOS.
	AC_DEFINE(WANT_FOPEN_BIN)   ;;
esac

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)

dnl ansidecl.h will deal with const
dnl AC_CONST
AC_FUNC_ALLOCA
AC_C_INLINE

# 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!
AC_MSG_CHECKING([for working assert macro])
AC_CACHE_VAL(gas_cv_assert_ok,
AC_TRY_LINK([#include <assert.h>
#include <stdio.h>], [
/* check for requoting problems */
static int a, b, c, d;
static char *s;
assert (!strcmp(s, "foo bar baz quux"));
/* check for newline handling */
assert (a == b
        || c == d);
], gas_cv_assert_ok=yes, gas_cv_assert_ok=no))dnl
AC_MSG_RESULT($gas_cv_assert_ok)
test $gas_cv_assert_ok = yes || AC_DEFINE(BROKEN_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.
AC_MSG_CHECKING([whether a malloc declaration is required])
AC_CACHE_VAL(gas_cv_malloc_decl_needed,
AC_TRY_LINK([
#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
], [
char *(*f) ();
f = (char *(*)()) malloc;
], gas_cv_malloc_decl_needed=no, gas_cv_malloc_decl_needed=yes))dnl
AC_MSG_RESULT($gas_cv_malloc_decl_needed)
test $gas_cv_malloc_decl_needed = no || AC_DEFINE(NEED_MALLOC_DECLARATION)

AC_MSG_CHECKING([whether a free declaration is required])
AC_CACHE_VAL(gas_cv_free_decl_needed,
AC_TRY_LINK([
#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
], [
int (*f) ();
f = (int (*)()) free;
], gas_cv_free_decl_needed=no, gas_cv_free_decl_needed=yes))
AC_MSG_RESULT($gas_cv_free_decl_needed)
test $gas_cv_free_decl_needed = no || AC_DEFINE(NEED_FREE_DECLARATION)

# Does errno.h declare errno, or do we have to add a separate declaration
# for it?
AC_MSG_CHECKING([whether an errno declaration is required])
AC_CACHE_VAL(gas_cv_errno_decl_needed,
AC_TRY_LINK([
#ifdef HAVE_ERRNO_H
#include <errno.h>
#endif
], [
int x;
x = errno;
], gas_cv_errno_decl_needed=no, gas_cv_errno_decl_needed=yes))
AC_MSG_RESULT($gas_cv_errno_decl_needed)
test $gas_cv_errno_decl_needed = no || AC_DEFINE(NEED_ERRNO_DECLARATION)

AC_CONFIG_SUBDIRS(testsuite)

dnl This must come last.
dnl Apparently symlinks are checked for in the directory containing
dnl  the last Makefile.  Thus the order used here...
AC_OUTPUT(doc/Makefile Makefile)
Commit	Line	Data
b11fb939 KR	1	dnl Process this file with autoconf to produce a configure script.
	2	dnl
	3	dnl And be careful when changing it! If you must add tests with square
	4	dnl brackets, be sure changequote invocations surround it.
	5	dnl
	6	dnl Remember to use "dnl" in each line before the AC_INIT call...
	7	dnl
	8	dnl
	9	AC_INIT(as.h)
	10	dnl
bdee23af	11	bfd_gas=no
318b02b6	12	user_bfd_gas=
b11fb939 KR	13	AC_ARG_ENABLE(bfd-assembler,
	14	[ bfd-assembler use BFD back end for writing object files],
	15	[case "${enableval}" in
318b02b6 KR	16	yes) need_bfd=yes user_bfd_gas=yes ;;
318b02b6 KR	17	no) user_bfd_gas=no ;;
b11fb939 KR	18	*) AC_MSG_ERROR(bad value ${enableval} given for bfd-assembler option) ;;
	19	esac])dnl
	20
	21	# Generate a header file -- gets more post-processing by Makefile later.
	22	AC_CONFIG_HEADER(conf)
	23
	24	dnl For recursion to work right, this must be an absolute pathname.
	25	AC_CONFIG_AUX_DIR(`cd $srcdir;pwd`/..)
	26	AC_CANONICAL_SYSTEM
318b02b6	27	AC_PROGRAM_TRANSFORM_NAME
7cf4d7ff	28
b678740d RP	29	emulation=generic
b678740d RP	30
b11fb939	31	# assign cpu type
5f8a3788	32
b53ccaac ILT	33	# check for architecture variants
b53ccaac ILT	34	case ${target_cpu} in
8cac6ca6	35	hppa*) cpu_type=hppa ;;
b11fb939	36	changequote(,)dnl
904b6037	37	i[45]86) cpu_type=i386 ;;
82489ea0	38	m680[012346]0) cpu_type=m68k ;;
8cac6ca6 KR	39	m68008) cpu_type=m68k ;;
8cac6ca6 KR	40	m683??) cpu_type=m68k ;;
b11fb939	41	changequote([,])dnl
8cac6ca6	42	m8*) cpu_type=m88k ;;
5f8a3788	43	mips*el) cpu_type=mips endian=little;;
b11fb939	44	mips*) cpu_type=mips endian=big ;;
5e65fbc8	45	powerpc*) cpu_type=ppc ;;
1c11ab0e	46	rs6000*) cpu_type=ppc ;;
b11fb939	47	sparc64) cpu_type=sparc obj_format=elf AC_DEFINE(sparcv9) ;;
8cac6ca6	48	sparclite*) cpu_type=sparc ;;
7cf4d7ff	49	*) cpu_type=${target_cpu} ;;
b53ccaac ILT	50	esac
b53ccaac ILT	51
634233a3 KR	52	# do we need the opcodes library?
	53	case ${cpu_type} in
	54	alpha \| vax)
634233a3 KR	55	;;
634233a3 KR	56	*)
b11fb939	57	OPCODES_LIB="../opcodes/libopcodes.a"
634233a3 KR	58	;;
634233a3 KR	59	esac
b11fb939	60	AC_SUBST(OPCODES_LIB)
634233a3	61
b53ccaac	62	gas_target=${cpu_type}
f70a4714	63	generic_target=${cpu_type}-${target_vendor}-${target_os}
8cac6ca6 KR	64	dev=no
8cac6ca6 KR	65
74cc5508	66	# assign object format
f70a4714	67	case ${generic_target} in
b418bc52 KR	68	a29k-amd-udi) obj_format=coff gas_target=ebmon29k ;;
b418bc52 KR	69	a29k-amd-ebmon) obj_format=coff gas_target=ebmon29k ;;
7cf4d7ff	70
c25be7f4	71	alpha--netware) obj_format=ecoff ;;
34de45f9	72	alpha--osf) obj_format=ecoff ;;
816153a3	73
318b02b6 KR	74	arm--riscix) obj_format=aout bfd_gas=yes ;;
318b02b6 KR	75
c25be7f4 KR	76	hppa--elf*) obj_format=elf emulation=hppa ;;
c25be7f4 KR	77	hppa--osf) obj_format=som emulation=hppa ;;
7cf4d7ff	78	hppa--hpux) obj_format=som emulation=hppa ;;
5f8a3788	79	hppa--bsd) obj_format=som emulation=hppa ;;
f8693e71	80	hppa--hiux) obj_format=som emulation=hppa ;;
7cf4d7ff	81
b418bc52	82	h8300-*-coff) obj_format=coff ;;
8f4b9142	83
b418bc52	84	i386-ibm-aix*) obj_format=coff gas_target=i386coff
7cf4d7ff KR	85	emulation=i386aix ;;
7cf4d7ff KR	86	i386--bsd) obj_format=aout emulation=386bsd ;;
b418bc52	87	i386-*-netbsd0.8) obj_format=aout emulation=386bsd ;;
420065a5	88	i386--netbsd) obj_format=aout emulation=netbsd ;;
8cac6ca6	89	i386--linuxelf*) obj_format=elf emulation=linux ;;
b418bc52	90	i386--linuxcoff*) obj_format=coff emulation=linux
8cac6ca6	91	gas_target=i386coff ;;
318b02b6	92	i386--linux) obj_format=aout emulation=linux bfd_gas=preferred ;;
b418bc52	93	i386--lynxos) obj_format=coff gas_target=i386coff
8cac6ca6 KR	94	emulation=lynx ;;
	95	i386--sysv4 \| i386--solaris \| i386-*-elf)
	96	obj_format=elf ;;
	97	i386--coff \| i386--sysv* \| i386--sco \| i386--isc)
b418bc52	98	obj_format=coff gas_target=i386coff ;;
420065a5	99	i386-*-vsta) obj_format=aout ;;
b418bc52	100	i386-*-go32) obj_format=coff gas_target=i386coff ;;
de66fe1f KR	101	i386--mach \| i386--gnu)
de66fe1f KR	102	obj_format=aout emulation=mach bfd_gas=yes ;;
7cf4d7ff	103
c25be7f4	104	i960-*-bout) obj_format=bout ;;
b418bc52	105	i960-*-coff) obj_format=coff emulation=ic960 gas_target=ic960coff ;;
c25be7f4 KR	106	i960--nindy) obj_format=bout ;;
	107	i960--vxworks4) obj_format=bout ;;
	108	i960-*-vxworks5.0) obj_format=bout ;;
b418bc52	109	i960--vxworks5.) obj_format=coff emulation=ic960 gas_target=ic960coff ;;
c25be7f4	110	i960--vxworks) obj_format=bout ;;
7cf4d7ff	111
8cac6ca6	112	m68k-wrs-vxworks \| m68k-ericsson-ose \| m68k--sunos)
7cf4d7ff	113	obj_format=aout emulation=sun3 ;;
b418bc52 KR	114	m68k-motorola-sysv) obj_format=coff gas_target=m68kcoff emulation=delta ;;
	115	m68k-bull-sysv3*) obj_format=coff gas_target=m68kcoff emulation=dpx2 ;;
	116	m68k-apollo-*) obj_format=coff gas_target=apollo emulation=apollo ;;
8cac6ca6	117	m68k--coff \| m68k--sysv*)
b418bc52	118	obj_format=coff gas_target=m68kcoff ;;
7cf4d7ff	119	m68k-*-hpux) obj_format=hp300 emulation=hp300 ;;
b418bc52	120	m68k--lynxos) obj_format=coff gas_target=m68kcoff
8cac6ca6	121	emulation=lynx ;;
7cf4d7ff	122
b418bc52	123	m88k--coff) obj_format=coff gas_target=m88kcoff ;;
c978e704	124
7cf4d7ff KR	125	# don't change emulation like --bsd does
	126	mips--bsd) bfd_gas=yes obj_format=aout gas_target=mips-lit ;;
	127	mips--ultrix) obj_format=ecoff gas_target=mips-lit ;;
5f8a3788	128	mips--ecoff) obj_format=ecoff
b11fb939 KR	129	case "$endian" in
	130	big) gas_target=mips-big ;;
	131	*) gas_target=mips-lit ;;
	132	esac
5f8a3788	133	;;
47fcc4f5	134	mips--ecoff) obj_format=ecoff gas_target=mips-big ;;
00f4e659	135	mips--irix5) obj_format=elf gas_target=mips-big ;;
20ae2fb8	136	mips--irix) obj_format=ecoff gas_target=mips-big ;;
8cac6ca6 KR	137	mips--riscos) obj_format=ecoff gas_target=mips-big ;;
8cac6ca6 KR	138	mips--sysv) obj_format=ecoff gas_target=mips-big ;;
5f8a3788	139	mips--elf) obj_format=elf
b11fb939 KR	140	case "$endian" in
	141	big) gas_target=mips-big ;;
	142	*) gas_target=mips-lit ;;
	143	esac
5f8a3788	144	;;
1c11ab0e	145	ppc--aix) obj_format=coff bfd_gas=yes ;;
904b6037 ILT	146	ppc--elf) obj_format=elf bfd_gas=yes ;;
904b6037 ILT	147	ppc--netware) obj_format=elf emulation=ppcnw ;;
5e65fbc8	148	ppc--sysv4) obj_format=elf bfd_gas=yes ;;
1c11ab0e	149
b418bc52	150	sh-*-coff) obj_format=coff ;;
816153a3	151
904b6037 ILT	152	ns32k-pc532-mach*) obj_format=aout emulation=pc532 bfd_gas=yes ;;
	153	ns32k-pc532-netbsd*) obj_format=aout emulation=netbsd532 bfd_gas=yes ;;
	154
8cac6ca6 KR	155	sparc--sunos4*) obj_format=aout emulation=sun3 bfd_gas=yes ;;
	156	sparc--aout \| sparc--vxworks)
	157	obj_format=aout bfd_gas=yes ;;
	158	sparc--coff) obj_format=coff bfd_gas=yes ;;
634233a3	159	sparc--lynxos*) obj_format=coff bfd_gas=yes emulation=lynx ;;
8cac6ca6 KR	160	sparc*-fujitsu-none) obj_format=aout bfd_gas=yes ;;
	161	sparc--elf \| sparc--solaris*)
	162	obj_format=elf ;;
7cf4d7ff	163
5677c028 KR	164	vax--bsd \| vax--ultrix)
5677c028 KR	165	obj_format=aout ;;
8cac6ca6	166	vax-*-vms) obj_format=vms ;;
a8285504	167
8cac6ca6	168	z8k--coff \| z8k--sim)
b418bc52	169	obj_format=coff ;;
07ef2075	170
8cac6ca6	171	--aout \| --scout)
7cf4d7ff	172	obj_format=aout ;;
8cac6ca6	173	--nindy*)
7cf4d7ff	174	obj_format=bout ;;
8cac6ca6	175	--bsd*)
7cf4d7ff KR	176	obj_format=aout emulation=sun3 ;;
7cf4d7ff KR	177	--generic) obj_format=generic ;;
b418bc52 KR	178	--xray \| --hms) obj_format=coff ;;
b418bc52 KR	179	--sim) obj_format=coff ;;
8cac6ca6	180	--elf \| --sysv4* \| --solaris*)
b11fb939	181	AC_MSG_WARN(GAS support for ELF format is incomplete)
8cac6ca6	182	obj_format=elf dev=yes ;;
7cf4d7ff	183	--vxworks) obj_format=aout ;;
5f8a3788	184	--netware) obj_format=elf ;;
fecd2382 RP	185	esac
fecd2382 RP	186
8cac6ca6 KR	187	# Assign floating point type. Most processors with FP support
	188	# IEEE FP. On those that don't support FP at all, usually IEEE
	189	# is emulated.
b678740d	190	case ${target_cpu} in
904b6037	191	vax \| tahoe ) atof=${target_cpu} ;;
7cf4d7ff	192	*) atof=ieee ;;
fecd2382 RP	193	esac
fecd2382 RP	194
8cac6ca6	195	case "${obj_format}" in
b11fb939	196	"") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;;
8cac6ca6	197	esac
7cf4d7ff	198
b11fb939 KR	199	dnl
	200	dnl Make sure the desired support files exist.
	201	dnl
	202
fb589130	203	if test ! -r ${srcdir}/config/tc-${cpu_type}.c; then
b11fb939 KR	204	AC_MSG_ERROR(GAS does not support target CPU ${cpu_type})
	205	fi
	206
fb589130	207	if test ! -r ${srcdir}/config/obj-${obj_format}.c; then
b11fb939	208	AC_MSG_ERROR(GAS does not have support for object file format ${obj_format})
7cf4d7ff KR	209	fi
7cf4d7ff KR	210
8a24a37c SC	211	# and target makefile frag
8a24a37c SC	212
b11fb939 KR	213	target_frag=${srcdir}/config/${gas_target}.mt
b11fb939 KR	214	AC_SUBST_FILE(target_frag)
8a24a37c	215
318b02b6 KR	216	case ${cpu_type}-${obj_format} in
	217	# not yet
	218	# i386-aout) bfd_gas=preferred ;;
7cf4d7ff KR	219	*-elf) bfd_gas=yes ;;
7cf4d7ff KR	220	*-ecoff) bfd_gas=yes ;;
5f8a3788	221	*-som) bfd_gas=yes ;;
7cf4d7ff KR	222	*) ;;
	223	esac
	224
318b02b6	225	case ${user_bfd_gas}-${bfd_gas} in
a8285504	226	yes-yes \| no-no)
7cf4d7ff KR	227	# We didn't override user's choice.
7cf4d7ff KR	228	;;
a8285504	229	no-yes)
b11fb939	230	AC_MSG_WARN(Use of BFD is required for ${target}; overriding config options.)
7cf4d7ff	231	;;
a8285504 DZ	232	no-preferred)
	233	bfd_gas=no
	234	;;
	235	*-preferred)
	236	bfd_gas=yes
	237	;;
	238	-*)
	239	# User specified nothing.
	240	;;
7cf4d7ff KR	241	esac
7cf4d7ff KR	242
318b02b6 KR	243	case ${bfd_gas}-${cpu_type}-${obj_format} in
	244	yes-*-coff) need_bfd=yes ;;
	245	no-*-coff) need_bfd=yes
	246	AC_DEFINE(MANY_SEGMENTS) ;;
	247	esac
	248
69ecc03f	249	reject_dev_configs=yes
8cac6ca6 KR	250
	251	case ${reject_dev_configs}-${dev} in
	252	yes-yes) # Oops.
b11fb939	253	AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.)
8cac6ca6 KR	254	;;
	255	esac
	256
b11fb939 KR	257	dnl Looks like the AC_MAKE_LINKS string is taken literally and put into the
	258	dnl config.status file. So the necessary variables also have to be
	259	dnl exported.
	260	AC_SUBST(cpu_type) AC_SUBST(obj_format) AC_SUBST(emulation) AC_SUBST(atof)
	261	AC_LINK_FILES(targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c,
	262	config/tc-${cpu_type}.c config/tc-${cpu_type}.h \
74cc5508	263	config/obj-${obj_format}.h config/obj-${obj_format}.c \
b11fb939	264	config/te-${emulation}.h config/atof-${atof}.c)
8b228fe9	265
b11fb939 KR	266	case "${bfd_gas}" in
	267	yes) AC_DEFINE(BFD_ASSEMBLER)
	268	need_bfd=yes ;;
4f6f4aa8 KR	269	esac
4f6f4aa8 KR	270
b11fb939 KR	271	case "${need_bfd}" in
	272	yes) BFDLIB=../bfd/libbfd.a
	273	ALL_OBJ_DEPS="$ALL_OBJ_DEPS ../bfd/bfd.h"
c92d9ee9	274	;;
4f6f4aa8	275	esac
b11fb939 KR	276	AC_SUBST(BFDLIB)
b11fb939 KR	277	AC_SUBST(ALL_OBJ_DEPS)
4f6f4aa8	278
c8570de8 ILT	279	case "x${host}" in
c8570de8 ILT	280	x${target}) ;;
b11fb939	281	*) AC_DEFINE(CROSS_COMPILE);;
8cac6ca6 KR	282	esac
8cac6ca6 KR	283
b11fb939 KR	284	AC_DEFINE_UNQUOTED(TARGET_ALIAS, "${target_alias}")
	285	AC_DEFINE_UNQUOTED(TARGET_CANONICAL, "${target}")
	286	AC_DEFINE_UNQUOTED(TARGET_CPU, "${target_cpu}")
	287	AC_DEFINE_UNQUOTED(TARGET_VENDOR, "${target_vendor}")
	288	AC_DEFINE_UNQUOTED(TARGET_OS, "${target_os}")
	289
	290	case ${host} in
	291	rs6000--)
	292	# The IBM compiler mis-compiles some expressions used in gas.
	293	# This will tell gas to work around this lossage.
	294	AC_DEFINE(IBM_COMPILER_SUX) ;;
	295	i386-*-go32)
	296	# Using fopen(..., "w") for a binary file breaks under DOS.
	297	AC_DEFINE(WANT_FOPEN_BIN) ;;
	298	esac
8f4b9142	299
b11fb939 KR	300	AC_PROG_CC
	301	AC_PROG_INSTALL
	302
b11fb939 KR	303	AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h stdarg.h varargs.h errno.h sys/types.h)
	304
	305	dnl ansidecl.h will deal with const
	306	dnl AC_CONST
	307	AC_FUNC_ALLOCA
	308	AC_C_INLINE
	309
	310	# Some non-ANSI preprocessors botch requoting inside strings. That's bad
	311	# enough, but on some of those systems, the assert macro relies on requoting
	312	# working properly!
fb589130 KR	313	AC_MSG_CHECKING([for working assert macro])
fb589130 KR	314	AC_CACHE_VAL(gas_cv_assert_ok,
b11fb939 KR	315	AC_TRY_LINK([#include <assert.h>
	316	#include <stdio.h>], [
	317	/* check for requoting problems */
	318	static int a, b, c, d;
	319	static char *s;
	320	assert (!strcmp(s, "foo bar baz quux"));
	321	/* check for newline handling */
	322	assert (a == b
	323	\|\| c == d);
fb589130 KR	324	], gas_cv_assert_ok=yes, gas_cv_assert_ok=no))dnl
	325	AC_MSG_RESULT($gas_cv_assert_ok)
	326	test $gas_cv_assert_ok = yes \|\| AC_DEFINE(BROKEN_ASSERT)
b11fb939 KR	327
	328	# On some systems, the system header files may not declare malloc, realloc,
	329	# and free. There are places where gas needs these functions to have been
	330	# declared -- such as when taking their addresses.
fb589130 KR	331	AC_MSG_CHECKING([whether a malloc declaration is required])
fb589130 KR	332	AC_CACHE_VAL(gas_cv_malloc_decl_needed,
b11fb939 KR	333	AC_TRY_LINK([
	334	#ifdef HAVE_MEMORY_H
	335	#include <memory.h>
	336	#endif
	337	#ifdef HAVE_STRING_H
	338	#include <string.h>
	339	#endif
	340	#ifdef HAVE_STDLIB_H
	341	#include <stdlib.h>
	342	#endif
	343	#ifdef HAVE_UNISTD_H
	344	#include <unistd.h>
	345	#endif
	346	], [
	347	char (f) ();
	348	f = (char ()()) malloc;
fb589130 KR	349	], gas_cv_malloc_decl_needed=no, gas_cv_malloc_decl_needed=yes))dnl
	350	AC_MSG_RESULT($gas_cv_malloc_decl_needed)
	351	test $gas_cv_malloc_decl_needed = no \|\| AC_DEFINE(NEED_MALLOC_DECLARATION)
	352
	353	AC_MSG_CHECKING([whether a free declaration is required])
	354	AC_CACHE_VAL(gas_cv_free_decl_needed,
b11fb939 KR	355	AC_TRY_LINK([
	356	#ifdef HAVE_MEMORY_H
	357	#include <memory.h>
	358	#endif
	359	#ifdef HAVE_STRING_H
	360	#include <string.h>
	361	#endif
	362	#ifdef HAVE_STDLIB_H
	363	#include <stdlib.h>
	364	#endif
	365	#ifdef HAVE_UNISTD_H
	366	#include <unistd.h>
	367	#endif
	368	], [
	369	int (*f) ();
	370	f = (int (*)()) free;
fb589130 KR	371	], gas_cv_free_decl_needed=no, gas_cv_free_decl_needed=yes))
	372	AC_MSG_RESULT($gas_cv_free_decl_needed)
	373	test $gas_cv_free_decl_needed = no \|\| AC_DEFINE(NEED_FREE_DECLARATION)
b11fb939 KR	374
	375	# Does errno.h declare errno, or do we have to add a separate declaration
	376	# for it?
fb589130 KR	377	AC_MSG_CHECKING([whether an errno declaration is required])
fb589130 KR	378	AC_CACHE_VAL(gas_cv_errno_decl_needed,
b11fb939 KR	379	AC_TRY_LINK([
	380	#ifdef HAVE_ERRNO_H
	381	#include <errno.h>
	382	#endif
	383	], [
	384	int x;
	385	x = errno;
fb589130 KR	386	], gas_cv_errno_decl_needed=no, gas_cv_errno_decl_needed=yes))
	387	AC_MSG_RESULT($gas_cv_errno_decl_needed)
	388	test $gas_cv_errno_decl_needed = no \|\| AC_DEFINE(NEED_ERRNO_DECLARATION)
b11fb939 KR	389
	390	AC_CONFIG_SUBDIRS(testsuite)
	391
	392	dnl This must come last.
	393	dnl Apparently symlinks are checked for in the directory containing
	394	dnl the last Makefile. Thus the order used here...
	395	AC_OUTPUT(doc/Makefile Makefile)