[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
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

changequote(<<<,>>>)dnl

if [ ! -r ${srcdir}/config/tc-${cpu_type}.c ]; then
  AC_MSG_ERROR(GAS does not support target CPU ${cpu_type})
fi

if [ ! -r ${srcdir}/config/obj-${obj_format}.c ]; then
  AC_MSG_ERROR(GAS does not have support for object file format ${obj_format})
fi

changequote([,])dnl

# 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_HEADER_STDC
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_CHECKING([for working assert macro])
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);
], , 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_CHECKING([whether malloc declaration is required])
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;
], , AC_DEFINE(NEED_MALLOC_DECLARATION))
AC_CHECKING([free declaration required])
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;
], , AC_DEFINE(NEED_FREE_DECLARATION))

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