[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
AC_ARG_ENABLE(bfd-assembler,
[    bfd-assembler	use BFD back end for writing object files],
[case "${enableval}" in
  yes) need_bfd=yes bfd_gas=yes ;;
  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

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 ;;

  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 ;;
  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 ${bfd_gas}-${obj_format} in
  yes-coff)	need_bfd=yes ;;
  no-coff)	need_bfd=yes
		AC_DEFINE(MANY_SEGMENTS) ;;
  *-elf)	bfd_gas=yes ;;
  *-ecoff)	bfd_gas=yes ;;
  *-som)	bfd_gas=yes ;;
  *)		;;
esac

case ${with_bfd_assembler}-${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

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