NetBSD/gnu/dist/gas/configure.in

711 lines
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Plaintext

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
dnl v2.5 needed for --bindir et al
AC_PREREQ(2.5)
AC_INIT(as.h)
AC_CANONICAL_SYSTEM
AM_INIT_AUTOMAKE(gas, 2.9.1)
AM_PROG_LIBTOOL
user_bfd_gas=
AC_ARG_ENABLE(bfd-assembler,
[ --enable-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=$enableval ;;
esac])dnl
AC_ARG_ENABLE(commonbfdlib,
[ --enable-commonbfdlib build shared BFD/opcodes/libiberty library],
[case "${enableval}" in
yes) commonbfdlib=true ;;
no) commonbfdlib=false ;;
*) AC_MSG_ERROR([bad value ${enableval} for BFD commonbfdlib option]) ;;
esac])dnl
# Generate a header file
AM_CONFIG_HEADER(config.h:config.in)
te_file=generic
canon_targets=""
if test -n "$enable_targets" ; then
for t in `echo $enable_targets | sed 's/,/ /g'`; do
result=`${CONFIG_SHELL-/bin/sh} $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
changequote(,)dnl
eval `echo $this_target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/cpu=\1 vendor=\2 os=\3/'`
changequote([,])dnl
# check for architecture variants
arch=
endian=
case ${cpu} in
alpha*) cpu_type=alpha ;;
armeb) cpu_type=arm endian=big ;;
arm*) cpu_type=arm endian=little ;;
thumb*) cpu_type=arm endian=little ;;
hppa*) cpu_type=hppa ;;
changequote(,)dnl
i[456]86) cpu_type=i386 ;;
m680[012346]0) cpu_type=m68k ;;
m68008) cpu_type=m68k ;;
m683??) cpu_type=m68k ;;
changequote([,])dnl
m8*) cpu_type=m88k ;;
mips*el) cpu_type=mips endian=little ;;
mips*) cpu_type=mips endian=big ;;
powerpcle*) cpu_type=ppc endian=little ;;
powerpc*) cpu_type=ppc endian=big ;;
rs6000*) cpu_type=ppc ;;
sparclite*) cpu_type=sparc arch=sparclite ;;
sparclet*) cpu_type=sparc arch=sparclet ;;
sparc64*) cpu_type=sparc arch=v9-64 ;;
sparc*) cpu_type=sparc arch=sparclite ;; # ??? See tc-sparc.c.
v850*) cpu_type=v850 ;;
*) cpu_type=${cpu} ;;
esac
if test ${this_target} = $target ; then
target_cpu_type=${cpu_type}
if test x${endian} = xbig; then
AC_DEFINE(TARGET_BYTES_BIG_ENDIAN, 1)
elif test x${endian} = xlittle; then
AC_DEFINE(TARGET_BYTES_BIG_ENDIAN, 0)
fi
elif test ${target_cpu_type} != ${cpu_type} ; then
continue
fi
generic_target=${cpu_type}-$vendor-$os
dev=no
bfd_gas=no
em=generic
# assign object format
case ${generic_target} in
a29k-*-coff) fmt=coff ;;
a29k-amd-udi) fmt=coff ;;
a29k-amd-ebmon) fmt=coff ;;
a29k-nyu-sym1) fmt=coff ;;
a29k-*-vxworks*) fmt=coff ;;
alpha*-*-*vms*) fmt=evax ;;
alpha*-*-netware*) fmt=ecoff ;;
alpha*-*-openbsd*) fmt=ecoff ;;
alpha*-*-osf*) fmt=ecoff ;;
alpha*-*-linuxecoff*) fmt=ecoff ;;
alpha*-*-linux-gnu*) fmt=elf em=linux ;;
alpha*-*-netbsd*) fmt=elf em=nbsd ;;
arc-*-elf*) fmt=elf bfd_gas=yes ;;
arm-*-riscix*) fmt=aout em=riscix ;;
arm-*-aout) fmt=aout ;;
arm-*-coff | thumb-*-coff) fmt=coff ;;
arm-*-netbsd*) fmt=aout em=nbsd bfd_gas=yes ;;
arm-*-pe | thumb-*-pe) fmt=coff em=pe ;;
d10v-*-*) fmt=elf bfd_gas=yes ;;
hppa-*-*elf*) fmt=elf em=hppa ;;
hppa-*-lites*) fmt=elf em=hppa ;;
hppa-*-osf*) fmt=som em=hppa ;;
hppa-*-rtems*) fmt=elf 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 em=i386aix ;;
i386-sequent-bsd*) fmt=aout em=dynix bfd_gas=yes ;;
i386-*-bsd*) fmt=aout em=386bsd ;;
i386-*-netbsd0.8) fmt=aout em=386bsd ;;
i386-*-netbsdelf*) fmt=elf em=nbsd bfd_gas=yes;;
i386-*-netbsd*) fmt=aout em=nbsd bfd_gas=yes;;
i386-*-openbsd*) fmt=aout em=nbsd bfd_gas=yes;;
i386-*-linux*aout* | i386-*-linuxoldld) fmt=aout em=linux ;;
i386-*-linux*coff*) fmt=coff em=linux ;;
i386-*-linux-gnu*) fmt=elf em=linux ;;
i386-*-lynxos*) fmt=coff em=lynx ;;
i386-*-sysv4* | i386-*-solaris* | i386-*-elf)
fmt=elf ;;
i386-*-freebsdelf*) fmt=elf ;;
i386-*-freebsd*) fmt=aout em=386bsd ;;
i386-*-coff | i386-*-sysv* | i386-*-sco3.2v5*coff | i386-*-isc*)
fmt=coff ;;
i386-*-sco3.2v5*) fmt=elf
if test ${this_target} = $target; then
AC_DEFINE(SCO_ELF)
fi
;;
i386-*-sco3.2*) fmt=coff ;;
i386-*-vsta) fmt=aout ;;
i386-*-msdosdjgpp* | i386-*-go32* | i386-go32-rtems*)
fmt=coff em=go32;;
i386-*-rtems*) fmt=coff ;;
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 em=pe ;;
i386-*-cygwin32*) fmt=coff em=pe bfd_gas=yes ;;
i386-*-mingw32*) fmt=coff em=pe bfd_gas=yes ;;
i386-*-*nt*) fmt=coff em=pe ;;
i960-*-bout) fmt=bout ;;
i960-*-coff) fmt=coff em=ic960 ;;
i960-*-rtems*) fmt=coff em=ic960 ;;
i960-*-nindy*) fmt=bout ;;
i960-*-vxworks4*) fmt=bout ;;
i960-*-vxworks5.0) fmt=bout ;;
i960-*-vxworks5.*) fmt=coff em=ic960 ;;
i960-*-vxworks*) fmt=bout ;;
m32r-*-*) fmt=elf bfd_gas=yes ;;
m68k-*-vxworks* | m68k-ericsson-ose | m68k-*-sunos*)
fmt=aout em=sun3 ;;
m68k-motorola-sysv*) fmt=coff em=delta ;;
m68k-bull-sysv3*) fmt=coff em=dpx2 ;;
m68k-apollo-*) fmt=coff em=apollo ;;
m68k-*-sysv4*) # must be before -sysv*
fmt=elf em=svr4 ;;
m68k-*-elf*) fmt=elf ;;
m68k-*-coff | m68k-*-sysv* | m68k-*-rtems*)
fmt=coff ;;
m68k-*-hpux*) fmt=hp300 em=hp300 ;;
m68k-*-linux*aout*) fmt=aout em=linux ;;
m68k-*-linux-gnu*) fmt=elf em=linux ;;
m68k-*-lynxos*) fmt=coff em=lynx ;;
m68k-*-netbsdelf*) fmt=elf em=nbsd bfd_gas=yes ;;
m68k-*-netbsd*) fmt=aout em=nbsd bfd_gas=yes ;;
m68k-*-openbsd*) fmt=aout em=nbsd bfd_gas=yes ;;
m68k-apple-aux*) fmt=coff em=aux ;;
m68k-*-psos*) fmt=elf em=psos;;
m88k-motorola-sysv3*) fmt=coff em=delt88 ;;
m88k-*-coff*) fmt=coff ;;
# don't change em like *-*-bsd does
mips*el*-*-netbsd* | mips-dec-netbsd*)
fmt=elf endian=little ;;
mips*eb*-*-netbsd*) fmt=elf endian=big ;;
mips-dec-openbsd*) fmt=elf endian=little ;;
mips-dec-bsd*) fmt=aout ;;
mips-sony-bsd*) fmt=ecoff ;;
mips-*-bsd*) AC_MSG_ERROR(Unknown vendor for mips-bsd configuration.) ;;
mips-*-ultrix*) fmt=ecoff endian=little ;;
mips-*-osf*) fmt=ecoff endian=little ;;
mips-*-ecoff*) fmt=ecoff ;;
mips-*-ecoff*) fmt=ecoff ;;
mips-*-irix6*) fmt=elf ;;
mips-*-irix5*) fmt=elf ;;
mips-*-irix*) fmt=ecoff ;;
mips-*-lnews*) fmt=ecoff em=lnews ;;
mips-*-riscos*) fmt=ecoff ;;
mips-*-sysv*) fmt=ecoff ;;
mips-*-elf* | mips-*-rtems* | mips-*-linux-gnu* | mips-*-gnu* | mips-*-openbsd*)
fmt=elf ;;
mn10200-*-*) fmt=elf bfd_gas=yes ;;
mn10300-*-*) fmt=elf bfd_gas=yes ;;
ppc-*-pe | ppc-*-cygwin32 | ppc-*-winnt*)
fmt=coff em=pe ;;
ppc-*-aix*) fmt=coff ;;
ppc-*-beos*) fmt=coff ;;
ppc-*-*bsd* | ppc-*-elf* | ppc-*-eabi* | ppc-*-sysv4*)
fmt=elf ;;
ppc-*-linux-gnu*) fmt=elf
case "$endian" in
big) ;;
*) AC_MSG_ERROR(GNU/Linux must be configured big endian) ;;
esac
;;
ppc-*-solaris*) fmt=elf
if test ${this_target} = $target; then
AC_DEFINE(TARGET_SOLARIS_COMMENT)
fi
if test x${endian} = xbig; then
AC_MSG_ERROR(Solaris must be configured little endian)
fi
;;
ppc-*-rtems*) fmt=elf ;;
ppc-*-macos* | ppc-*-mpw*)
fmt=coff em=macos ;;
ppc-*-netware*) fmt=elf em=ppcnw ;;
sh-*-elf*) fmt=elf ;;
sh-*-coff*) fmt=coff ;;
sh-*-rtems*) fmt=coff ;;
ns32k-pc532-mach* | ns32k-pc532-ux*) fmt=aout em=pc532mach ;;
ns32k-pc532-netbsd* | ns32k-pc532-lites*) fmt=aout em=nbsd532 ;;
ns32k-pc532-openbsd*) fmt=aout em=nbsd532 ;;
sparc-*-rtems*) fmt=aout ;;
sparc-*-sunos4*) fmt=aout em=sun3 ;;
sparc-*-aout | sparc*-*-vxworks*)
fmt=aout em=sparcaout ;;
sparc-*-coff) fmt=coff ;;
sparc-*-linux*aout*) fmt=aout em=linux ;;
sparc-*-linux-gnu*) fmt=elf em=linux ;;
sparc-*-lynxos*) fmt=coff em=lynx ;;
sparc-fujitsu-none) fmt=aout ;;
sparc-*-elf | sparc-*-sysv4* | sparc-*-solaris*)
fmt=elf ;;
sparc-*-netbsd*) em=nbsd bfd_gas=yes
case ${cpu} in
sparc) case ${os} in
*elf*) fmt=elf ;;
*) fmt=aout ;;
esac ;;
sparc64) fmt=elf ;;
esac
;;
sparc-*-openbsd*) fmt=aout em=nbsd bfd_gas=yes ;;
tic30-*-*aout*) fmt=aout bfd_gas=yes ;;
tic30-*-*coff*) fmt=coff bfd_gas=yes ;;
v850-*-*) fmt=elf bfd_gas=yes ;;
vax-*-netbsd* | 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 ${generic_target} is incomplete.)
fmt=elf dev=yes ;;
*-*-vxworks) fmt=aout ;;
*-*-netware) fmt=elf ;;
esac
case ${cpu_type}-${fmt} in
alpha*-*) bfd_gas=yes ;;
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.
# do we need the opcodes library?
case ${cpu_type} in
vax | i386 | tic30)
;;
*)
need_opcodes=yes
case "${enable_shared}" in
yes) shared_opcodes=true ;;
*opcodes*) shared_opcodes=true ;;
*) shared_opcodes=false ;;
esac
if test "${shared_opcodes}" = "true"; then
# A shared libopcodes must be linked against libbfd.
need_bfd=yes
fi
;;
esac
case ${cpu_type} in
m32r)
case ${extra_objects} in
*cgen.o*) ;;
*) extra_objects="$extra_objects cgen.o"
AC_DEFINE(USING_CGEN)
;;
esac
;;
m68k)
case ${extra_objects} in
*m68k-parse.o*) ;;
*) extra_objects="$extra_objects m68k-parse.o" ;;
esac
;;
mips)
echo ${extra_objects} | grep -s "itbl-parse.o"
if test $? -ne 0 ; then
extra_objects="$extra_objects itbl-parse.o"
fi
echo ${extra_objects} | grep -s "itbl-lex.o"
if test $? -ne 0 ; then
extra_objects="$extra_objects itbl-lex.o"
fi
echo ${extra_objects} | grep -s "itbl-ops.o"
if test $? -ne 0 ; then
extra_objects="$extra_objects itbl-ops.o"
fi
;;
sparc)
if test $this_target = $target ; then
AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}")
fi
;;
*)
;;
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=$fmt
te_file=$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-*-linux-gnu*-*) case "$endian" in
big) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
*) emulation="mipslelf mipsbelf mipself mipslecoff mipsbecoff mipsecoff" ;;
esac ;;
mips-*-lnews*-ecoff) ;;
mips-*-*-ecoff) case "$endian" in
big) emulation="mipsbecoff mipslecoff mipsecoff" ;;
*) emulation="mipslecoff mipsbecoff mipsecoff" ;;
esac ;;
mips-*-*-elf) case "$endian" in
big) emulation="mipsbelf mipslelf mipself" ;;
*) emulation="mipslelf mipsbelf mipself" ;;
# Uncommenting the next line will turn on support for i386 COFF
# in any i386 ELF configuration. This probably doesn't work
# correctly.
# i386-*-*-elf) emulation="i386coff i386elf" ;;
esac ;;
esac
emulations="$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
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 $em in
.) continue ;;
mipsbelf | mipslelf)
fmt=elf file=mipself ;;
mipsbecoff | mipslecoff)
fmt=ecoff file=mipsecoff ;;
i386coff)
fmt=coff file=i386coff ;;
i386elf)
fmt=elf file=i386elf ;;
esac
formats="$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")
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 ${generic_target} configuration.)
;;
esac
AC_SUBST(target_cpu_type)
AC_SUBST(obj_format)
AC_SUBST(te_file)
AC_SUBST(atof)
dnl AC_SUBST(emulation)
case "${primary_bfd_gas}" in
yes) AC_DEFINE(BFD_ASSEMBLER)
need_bfd=yes ;;
esac
# do we need the opcodes library?
case "${need_opcodes}" in
yes)
OPCODES_LIB=../opcodes/libopcodes.la
;;
esac
case "${need_bfd}" in
yes)
BFDLIB=../bfd/libbfd.la
ALL_OBJ_DEPS="$ALL_OBJ_DEPS ../bfd/bfd.h"
;;
esac
AC_SUBST(BFDLIB)
AC_SUBST(OPCODES_LIB)
AC_SUBST(ALL_OBJ_DEPS)
AC_DEFINE_UNQUOTED(TARGET_ALIAS, "${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_YACC
AC_PROG_LEX
AC_DECL_YYTEXT
AM_MAINTAINER_MODE
AM_CYGWIN32
AM_EXEEXT
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>
#else
#ifdef HAVE_STRINGS_H
#include <strings.h>
#endif
#endif
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
"
GAS_CHECK_DECL_NEEDED(strstr, f, char *(*f)(), $gas_test_headers)
GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers)
GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers)
GAS_CHECK_DECL_NEEDED(sbrk, f, char *(*f)(), $gas_test_headers)
# Does errno.h declare errno, or do we have to add a separate declaration
# for it?
GAS_CHECK_DECL_NEEDED(errno, f, int f, [
#ifdef HAVE_ERRNO_H
#include <errno.h>
#endif
])
dnl This must come last.
dnl We used to make symlinks to files in the source directory, but now
dnl we just use the right name for .c files, and create .h files in
dnl the build directory which include the right .h file. Make sure
dnl the old symlinks don't exist, so that a reconfigure in an existing
dnl directory behaves reasonably.
AC_OUTPUT(Makefile doc/Makefile .gdbinit:gdbinit.in,
[rm -f targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c itbl-cpu.h
echo '#include "tc-'"${target_cpu_type}"'.h"' > targ-cpu.h
echo '#include "obj-'"${obj_format}"'.h"' > obj-format.h
echo '#include "te-'"${te_file}"'.h"' > targ-env.h
echo '#include "itbl-'"${target_cpu_type}"'.h"' > itbl-cpu.h
case ${target_cpu_type} in
m32r) echo '#include "opcodes/'"${target_cpu_type}"'-opc.h"' > cgen-opc.h ;;
esac],
[target_cpu_type=${target_cpu_type}
obj_format=${obj_format}
te_file=${te_file}])