[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
dnl v2.5 needed for --bindir et al
AC_PREREQ(2.57)
AC_INIT(as.h)

dnl Autoconf 2.57 will find the aux dir without this.  However, unless
dnl we specify this explicitly, automake-1.7 will assume that ylwrap is in
dnl gas/ instead of gas/../.
AC_CONFIG_AUX_DIR(..)
AC_CANONICAL_SYSTEM
AC_ISC_POSIX

changequote(,)dnl
BFD_VERSION=`sed -n -e 's/^.._INIT_AUTOMAKE.*,[ 	]*\([^ 	]*\)[ 	]*).*/\1/p' < ${srcdir}/../bfd/configure.in`
changequote([,])dnl
AM_INIT_AUTOMAKE(gas, ${BFD_VERSION})

AM_PROG_LIBTOOL

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

using_cgen=no

AM_BINUTILS_WARNINGS

# Generate a header file
AM_CONFIG_HEADER(config.h:config.in)

# If we are on a DOS filesystem, we must use gdb.ini rather than
# .gdbinit.
case "${host}" in
  *-*-msdos* | *-*-go32* | *-*-mingw32* | *-*-windows*)
    GDBINIT="gdb.ini"
    AC_CONFIG_FILES(gdb.ini:gdbinit.in)
    ;;
  *)
    GDBINIT=".gdbinit"
    AC_CONFIG_FILES(.gdbinit:gdbinit.in)
    ;;
esac
AC_SUBST(GDBINIT)

#We need this for the host.  BOUT header is in host order.
AC_C_BIGENDIAN

te_file=generic

# Makefile target for installing gas in $(tooldir)/bin.
install_tooldir=install-exec-tooldir

canon_targets=""
all_targets=no
if test -n "$enable_targets" ; then
  for t in `echo $enable_targets | sed 's/,/ /g'`; do
    if test $t = "all"; then
      all_targets=yes
      continue
    fi
    result=`$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

    targ=${this_target}
    . ${srcdir}/configure.tgt

    case ${target_cpu} in
      crisv32)
	AC_DEFINE_UNQUOTED(DEFAULT_CRIS_ARCH, $arch,
			   [Default CRIS architecture.])
	;;
    esac

    if test ${this_target} = $target ; then
      target_cpu_type=${cpu_type}
    elif test ${target_cpu_type} != ${cpu_type} ; then
      continue
    fi

    generic_target=${cpu_type}-${target_vendor}-${target_os}
    case ${generic_target} in
      i386-*-sco3.2v5*)
	if test ${this_target} = $target; then
	  AC_DEFINE(SCO_ELF, 1, [Define if defaulting to ELF on SCO 5.])
	fi
	;;

      i386-*-msdosdjgpp* \
      | i386-*-go32* \
      | i386-go32-rtems*)
	AC_DEFINE(STRICTCOFF, 1, [Using strict COFF?])
	;;

      i860-*-*)
	AC_MSG_WARN(GAS support for ${generic_target} is preliminary and a work in progress)
	;;

      mips-sony-bsd*)
	;;
      mips-*-bsd*)
	AC_MSG_ERROR(Unknown vendor for mips-bsd configuration.)
	;;

      ppc-*-aix5.*)
	AC_DEFINE(AIX_WEAK_SUPPORT, 1,
		  [Define if using AIX 5.2 value for C_WEAKEXT.])
	;;
      ppc-*-linux-*)
	case "$endian" in
	  big)  ;;
	  *)    AC_MSG_ERROR(GNU/Linux must be configured big endian) ;;
	esac
	;;
      ppc-*-solaris*)
	if test ${this_target} = $target; then
	  AC_DEFINE(TARGET_SOLARIS_COMMENT, 1,
		    [Define if default target is PowerPC Solaris.])
	fi
	if test x${endian} = xbig; then
	  AC_MSG_ERROR(Solaris must be configured little endian)
	fi
	;;

      sh*-*-symbianelf*)
	AC_DEFINE(TARGET_SYMBIAN, 1, [Define if target is Symbian OS.])
	;;
    esac

    if test ${this_target} = $target ; then
      endian_def=
      if test x${endian} = xbig; then
	endian_def=1
      elif test x${endian} = xlittle; then
	endian_def=0
      fi
      if test x${endian_def} != x; then
	AC_DEFINE_UNQUOTED(TARGET_BYTES_BIG_ENDIAN, $endian_def,
			   [Define as 1 if big endian.])
      fi
    fi

# Other random stuff.

    case ${cpu_type} in
      mips)
	# Set mips_cpu to the name of the default CPU.
	case ${target_cpu} in
	  mips | mipsbe | mipseb | mipsle | mipsel | mips64 | mips64el)
	    mips_cpu=from-abi
	    ;;
	  mipsisa32 | mipsisa32el)
	    mips_cpu=mips32
	    ;;
	  mipsisa32r2 | mipsisa32r2el)
	    mips_cpu=mips32r2
	    ;;
	  mipsisa64 | mipsisa64el)
	    mips_cpu=mips64
	    ;;
	  mipsisa64r2 | mipsisa64r2el)
	    mips_cpu=mips64r2
	    ;;
	  mipstx39 | mipstx39el)
	    mips_cpu=r3900
	    ;;
	  mips64vr | mips64vrel)
	    mips_cpu=vr4100
	    ;;
	  mipsisa32r2* | mipsisa64r2*)
changequote(,)dnl
	    mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..r2//' -e 's/el$//'`
changequote([,])dnl
	    ;;
	  mips64* | mipsisa64* | mipsisa32*)
changequote(,)dnl
	    mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..//' -e 's/el$//'`
changequote([,])dnl
	    ;;
	  *)
	    AC_ERROR($target_cpu isn't a supported MIPS CPU name)
	    ;;
	esac
	# See whether it's appropriate to set E_MIPS_ABI_O32 for o32
	# binaries.  It's a GNU extension that some OSes don't understand.
	# The value only matters on ELF targets.
	case ${target} in
	  *-*-irix*)
	    use_e_mips_abi_o32=0
	    ;;
	  *)
	    use_e_mips_abi_o32=1
	    ;;
	esac
	# Decide whether to generate 32-bit or 64-bit code by default.
	# Used to resolve -march=from-abi when an embedded ABI is selected.
	case ${target} in
	  mips64*-*-* | mipsisa64*-*-*)
	    mips_default_64bit=1
	    ;;
	  *)
	    mips_default_64bit=0
	    ;;
	esac
	# Decide which ABI to target by default.
	case ${target} in
	  mips64*-linux* | mips-sgi-irix6*)
	    mips_default_abi=N32_ABI
	    ;;
	  mips*-linux*)
	    mips_default_abi=O32_ABI
	    ;;
	  mips64*-openbsd*)
	    mips_default_abi=N64_ABI
	    ;;
	  *)
	    mips_default_abi=NO_ABI
	    ;;
	esac
	AC_DEFINE_UNQUOTED(MIPS_CPU_STRING_DEFAULT, "$mips_cpu",
			   [Default CPU for MIPS targets. ])
	AC_DEFINE_UNQUOTED(USE_E_MIPS_ABI_O32, $use_e_mips_abi_o32,
			   [Allow use of E_MIPS_ABI_O32 on MIPS targets. ])
	AC_DEFINE_UNQUOTED(MIPS_DEFAULT_64BIT, $mips_default_64bit,
			   [Generate 64-bit code by default on MIPS targets. ])
	AC_DEFINE_UNQUOTED(MIPS_DEFAULT_ABI, $mips_default_abi,
			   [Choose a default ABI for MIPS targets. ])
	;;
    esac

    # 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
	;;
    esac

    # Any other special object files needed ?
    case ${cpu_type} in
      fr30 | ip2k | iq2000 | m32r | openrisc)
	using_cgen=yes
	;;

      m32c)
	using_cgen=yes
	;;
      frv)
	using_cgen=yes
	;;
      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
	;;

      ms1)
        using_cgen=yes
	;;

      i386 | s390 | sparc)
	if test $this_target = $target ; then
	  AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
	fi
	;;

      xstormy16)
	using_cgen=yes
	;;

      xtensa)
	echo ${extra_objects} | grep -s "xtensa-relax.o"
	if test $? -ne 0 ; then
	  extra_objects="$extra_objects xtensa-relax.o"
	fi
	;;

      *)
	;;
    esac

    if test $using_cgen = yes ; then
	case "x${extra_objects}" in
	*cgen.o*) ;;
	*) extra_objects="$extra_objects cgen.o" ;;
	esac
    fi

# See if we really can support this configuration with the emulation code.

    if test $this_target = $target ; then
      obj_format=$fmt
      te_file=$em
    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*-*) case "$endian" in
			big)	emulation="mipsbelf mipslelf mipself" ;;
			*)	emulation="mipslelf mipsbelf mipself" ;;
			esac ;;
      mips-*-lnews*-ecoff) ;;
      mips-*-*-ecoff)	case "$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" ;;
			esac ;;
      mips-*-sysv4*MP*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
      # i386-pc-pe-coff != i386-pc-coff.
      i386-*-pe-coff)	;;
      # Uncommenting the next line will turn on support for i386 AOUT
      # for the default linux configuration
      # i386-*-linux*-elf) emulation="i386elf i386aout" ;;
      #
      i386-*-aout)	emulation="i386aout" ;;
      i386-*-coff)	emulation="i386coff" ;;
      i386-*-elf)	emulation="i386elf" ;;

      # Always all formats.  The first stated emulation becomes the default.
      cris-*-*aout*)	emulation="crisaout criself" ;;
      cris-*-*)		emulation="criself crisaout" ;;
    esac

    emulations="$emulations $emulation"

done

# Turn on all targets if possible
if test ${all_targets} = "yes"; then
  case ${target_cpu_type} in
  i386)
    case ${obj_format} in
    aout)
      emulations="$emulations i386coff i386elf"
      ;;
    coff)
      emulations="$emulations i386aout i386elf"
    ;;
    elf)
      emulations="$emulations i386aout i386coff"
      ;;
    esac
  ;;
  esac
fi

# 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} ;;
  pdp11)	atof=vax ;;
  *)		atof=ieee ;;
esac

case "${obj_format}" in
  "") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;;
esac

# Unfortunately the cpu in cpu-opc.h file isn't always $(TARGET_CPU).
cgen_cpu_prefix=""
if test $using_cgen = yes ; then
  case ${target_cpu} in
    *) cgen_cpu_prefix=${target_cpu} ;;
  esac
  AC_SUBST(cgen_cpu_prefix)
  AC_DEFINE(USING_CGEN, 1, [Using cgen code?])
fi

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

# Some COFF configurations want these random other flags set.
case ${obj_format} in
  coff)
    case ${target_cpu_type} in
      i386) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
      m68k) AC_DEFINE(M68KCOFF, 1, [Using m68k COFF?]) ;;
      m88k) AC_DEFINE(M88KCOFF, 1, [Using m88k COFF?]) ;;
    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
# 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 $em in
    .)	continue ;;
    mipsbelf | mipslelf | mipself)
	fmt=elf   file=mipself ;;
    mipsbecoff | mipslecoff | mipsecoff)
	fmt=ecoff file=mipsecoff ;;
    *coff)
	fmt=coff  file=$em ;;
    *aout)
	fmt=aout file=$em ;;
    *elf)
	fmt=elf file=$em ;;
  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 $fmt in
      aout)	AC_DEFINE(OBJ_MAYBE_AOUT, 1,    [a.out support?])   ;;
      bout)	AC_DEFINE(OBJ_MAYBE_BOUT, 1,    [b.out support?])   ;;
      coff)	AC_DEFINE(OBJ_MAYBE_COFF, 1,    [COFF support?])    ;;
      ecoff)	AC_DEFINE(OBJ_MAYBE_ECOFF, 1,   [ECOFF support?])   ;;
      elf)	AC_DEFINE(OBJ_MAYBE_ELF, 1,     [ELF support?])     ;;
      generic)	AC_DEFINE(OBJ_MAYBE_GENERIC, 1, [generic support?]) ;;
      ieee)	AC_DEFINE(OBJ_MAYBE_IEEE, 1,    [IEEE support?])    ;;
      som)	AC_DEFINE(OBJ_MAYBE_SOM, 1,     [SOM support?])     ;;
    esac
    extra_objects="$extra_objects obj-$fmt.o"
  done
  obj_format=multi
fi
if test `set . $emfiles ; shift ; echo $#` -gt 0 ; then
  DEFAULT_EMULATION=`set . $emulations ; echo $2`
  # e-mips* has more than one emulation per file, e-i386* has just one at the
  # moment.  If only one emulation is specified, then don't define
  # USE_EMULATIONS or include any of the e-files as they will only be bloat.
  case "${obj_format}${emfiles}" in
    multi* | *mips*)
      extra_objects="$extra_objects $emfiles"
      AC_DEFINE(USE_EMULATIONS, 1, [Use emulation support?]) ;;
  esac
fi
AC_SUBST(extra_objects)
AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS, [Supported emulations.])
AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION",
		   [Default emulation.])

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(install_tooldir)
AC_SUBST(atof)
dnl AC_SUBST(emulation)

# do we need the opcodes library?
case "${need_opcodes}" in
yes)
  OPCODES_LIB=../opcodes/libopcodes.la
  ;;
esac

BFDLIB=../bfd/libbfd.la
BFDVER_H=../bfd/bfdver.h
ALL_OBJ_DEPS="$ALL_OBJ_DEPS"' ../bfd/bfd.h $(INCDIR)/symcat.h'

AC_SUBST(BFDLIB)
AC_SUBST(OPCODES_LIB)

AC_SUBST(BFDVER_H)
AC_SUBST(ALL_OBJ_DEPS)

AC_DEFINE_UNQUOTED(TARGET_ALIAS,	"${target_alias}", [Target alias.])
AC_DEFINE_UNQUOTED(TARGET_CANONICAL,	"${target}",       [Canonical target.])
AC_DEFINE_UNQUOTED(TARGET_CPU,		"${target_cpu}",   [Target CPU.])
AC_DEFINE_UNQUOTED(TARGET_VENDOR,	"${target_vendor}", [Target vendor.])
AC_DEFINE_UNQUOTED(TARGET_OS,		"${target_os}",    [Target OS.])

AC_PROG_CC

AC_PROG_YACC
AM_PROG_LEX

ALL_LINGUAS="fr tr es rw"
CY_GNU_GETTEXT

AM_MAINTAINER_MODE
AC_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, 1, [Compiling cross-assembler?])
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)

# do we need the math library?
case "${need_libm}" in
yes) 
  AC_CHECK_LIBM
  AC_SUBST(LIBM)
  ;;
esac

# 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
"

# Does errno.h declare errno, or do we have to add a separate declaration
# for it?
GAS_CHECK_DECL_NEEDED(errno, f, int f, [
#ifdef HAVE_ERRNO_H
#include <errno.h>
#endif
])

AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
AC_CACHE_VAL(gas_cv_decl_getopt_unistd_h,
[AC_TRY_COMPILE([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);],
gas_cv_decl_getopt_unistd_h=yes, gas_cv_decl_getopt_unistd_h=no)])
AC_MSG_RESULT($gas_cv_decl_getopt_unistd_h)
if test $gas_cv_decl_getopt_unistd_h = yes; then
  AC_DEFINE([HAVE_DECL_GETOPT], 1,
	    [Is the prototype for getopt in <unistd.h> in the expected format?])
fi

GAS_CHECK_DECL_NEEDED(environ, f, char **f, $gas_test_headers)
GAS_CHECK_DECL_NEEDED(ffs, f, int (*f)(int), $gas_test_headers)
GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers)
GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers)
GAS_CHECK_DECL_NEEDED(sbrk, f, char *(*f)(), $gas_test_headers)
GAS_CHECK_DECL_NEEDED(strstr, f, char *(*f)(), $gas_test_headers)

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_CONFIG_FILES(Makefile doc/Makefile po/Makefile.in:po/Make-in)
AC_CONFIG_COMMANDS([default],
[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
 if test "x$cgen_cpu_prefix" != x ; then
   echo '#include "opcodes/'"${cgen_cpu_prefix}"'-desc.h"' > cgen-desc.h
 fi

 sed -e '/POTFILES =/r po/POTFILES' po/Makefile.in > po/Makefile],
[target_cpu_type=${target_cpu_type}
 cgen_cpu_prefix=${cgen_cpu_prefix}
 obj_format=${obj_format}
 te_file=${te_file}])

AC_OUTPUT
Commit	Line	Data
252b5132 RH	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
	7	dnl v2.5 needed for --bindir et al
13b2be9c	8	AC_PREREQ(2.57)
252b5132 RH	9	AC_INIT(as.h)
252b5132 RH	10
13b2be9c DJ	11	dnl Autoconf 2.57 will find the aux dir without this. However, unless
	12	dnl we specify this explicitly, automake-1.7 will assume that ylwrap is in
	13	dnl gas/ instead of gas/../.
	14	AC_CONFIG_AUX_DIR(..)
252b5132	15	AC_CANONICAL_SYSTEM
5d64ca4e	16	AC_ISC_POSIX
252b5132	17
27b7e12d AM	18	changequote(,)dnl
	19	BFD_VERSION=`sed -n -e 's/^.._INIT_AUTOMAKE.,[ ]\([^ ]\)[ ]).*/\1/p' < ${srcdir}/../bfd/configure.in`
	20	changequote([,])dnl
	21	AM_INIT_AUTOMAKE(gas, ${BFD_VERSION})
252b5132 RH	22
	23	AM_PROG_LIBTOOL
	24
252b5132 RH	25	AC_ARG_ENABLE(targets,
	26	[ targets alternative target configurations besides the primary],
	27	[case "${enableval}" in
	28	yes \| "") AC_ERROR(enable-targets option must specify target names or 'all')
	29	;;
	30	no) enable_targets= ;;
	31	*) enable_targets=$enableval ;;
	32	esac])dnl
	33	AC_ARG_ENABLE(commonbfdlib,
	34	[ --enable-commonbfdlib build shared BFD/opcodes/libiberty library],
	35	[case "${enableval}" in
	36	yes) commonbfdlib=true ;;
	37	no) commonbfdlib=false ;;
	38	*) AC_MSG_ERROR([bad value ${enableval} for BFD commonbfdlib option]) ;;
	39	esac])dnl
	40
	41	using_cgen=no
	42
9e9b66a9	43	AM_BINUTILS_WARNINGS
a2d91340	44
252b5132 RH	45	# Generate a header file
	46	AM_CONFIG_HEADER(config.h:config.in)
	47
76a27922 ILT	48	# If we are on a DOS filesystem, we must use gdb.ini rather than
76a27922 ILT	49	# .gdbinit.
76a27922	50	case "${host}" in
591d4689	51	--msdos* \| --go32* \| --mingw32* \| --windows*)
76a27922	52	GDBINIT="gdb.ini"
13b2be9c DJ	53	AC_CONFIG_FILES(gdb.ini:gdbinit.in)
	54	;;
	55	*)
	56	GDBINIT=".gdbinit"
	57	AC_CONFIG_FILES(.gdbinit:gdbinit.in)
76a27922 ILT	58	;;
	59	esac
	60	AC_SUBST(GDBINIT)
	61
44f2f9d2 AM	62	#We need this for the host. BOUT header is in host order.
	63	AC_C_BIGENDIAN
	64
252b5132 RH	65	te_file=generic
	66
	67	# Makefile target for installing gas in $(tooldir)/bin.
	68	install_tooldir=install-exec-tooldir
	69
	70	canon_targets=""
15886821	71	all_targets=no
252b5132 RH	72	if test -n "$enable_targets" ; then
252b5132 RH	73	for t in `echo $enable_targets \| sed 's/,/ /g'`; do
15886821 L	74	if test $t = "all"; then
	75	all_targets=yes
	76	continue
	77	fi
6d83c84b	78	result=`$ac_config_sub $t 2>/dev/null`
252b5132 RH	79	if test -n "$result" ; then
	80	canon_targets="$canon_targets $result"
	81	# else
	82	# # Permit "all", etc. We don't support it yet though.
	83	# canon_targets="$canon_targets $t"
	84	fi
	85	done
	86	GAS_UNIQ(canon_targets)
	87	fi
	88
	89	emulations=""
	90
	91	for this_target in $target $canon_targets ; do
	92
14ee9f48 ILT	93	targ=${this_target}
	94	. ${srcdir}/configure.tgt
	95
	96	case ${target_cpu} in
	97	crisv32)
	98	AC_DEFINE_UNQUOTED(DEFAULT_CRIS_ARCH, $arch,
	99	[Default CRIS architecture.])
	100	;;
252b5132 RH	101	esac
	102
	103	if test ${this_target} = $target ; then
	104	target_cpu_type=${cpu_type}
	105	elif test ${target_cpu_type} != ${cpu_type} ; then
	106	continue
	107	fi
	108
14ee9f48	109	generic_target=${cpu_type}-${target_vendor}-${target_os}
252b5132	110	case ${generic_target} in
14ee9f48 ILT	111	i386--sco3.2v5)
	112	if test ${this_target} = $target; then
	113	AC_DEFINE(SCO_ELF, 1, [Define if defaulting to ELF on SCO 5.])
	114	fi
	115	;;
1fe1f39c	116
79500683 AM	117	i386--msdosdjgpp \
79500683 AM	118	\| i386--go32 \
14ee9f48 ILT	119	\| i386-go32-rtems*)
	120	AC_DEFINE(STRICTCOFF, 1, [Using strict COFF?])
	121	;;
79500683	122
14ee9f48 ILT	123	i860--)
	124	AC_MSG_WARN(GAS support for ${generic_target} is preliminary and a work in progress)
	125	;;
79500683	126
14ee9f48 ILT	127	mips-sony-bsd*)
14ee9f48 ILT	128	;;
79500683	129	mips--bsd)
14ee9f48 ILT	130	AC_MSG_ERROR(Unknown vendor for mips-bsd configuration.)
14ee9f48 ILT	131	;;
4101eec8	132
14ee9f48 ILT	133	ppc--aix5.)
14ee9f48 ILT	134	AC_DEFINE(AIX_WEAK_SUPPORT, 1,
f8fc3443	135	[Define if using AIX 5.2 value for C_WEAKEXT.])
14ee9f48	136	;;
ed84e695	137	ppc--linux-)
14ee9f48 ILT	138	case "$endian" in
	139	big) ;;
	140	*) AC_MSG_ERROR(GNU/Linux must be configured big endian) ;;
	141	esac
	142	;;
	143	ppc--solaris)
	144	if test ${this_target} = $target; then
	145	AC_DEFINE(TARGET_SOLARIS_COMMENT, 1,
	146	[Define if default target is PowerPC Solaris.])
	147	fi
	148	if test x${endian} = xbig; then
	149	AC_MSG_ERROR(Solaris must be configured little endian)
	150	fi
	151	;;
	152
	153	sh--symbianelf*)
	154	AC_DEFINE(TARGET_SYMBIAN, 1, [Define if target is Symbian OS.])
	155	;;
252b5132 RH	156	esac
	157
	158	if test ${this_target} = $target ; then
	159	endian_def=
	160	if test x${endian} = xbig; then
	161	endian_def=1
	162	elif test x${endian} = xlittle; then
	163	endian_def=0
	164	fi
	165	if test x${endian_def} != x; then
	166	AC_DEFINE_UNQUOTED(TARGET_BYTES_BIG_ENDIAN, $endian_def,
	167	[Define as 1 if big endian.])
	168	fi
	169	fi
	170
252b5132 RH	171	# Other random stuff.
252b5132 RH	172
316f5878 RS	173	case ${cpu_type} in
	174	mips)
	175	# Set mips_cpu to the name of the default CPU.
	176	case ${target_cpu} in
	177	mips \| mipsbe \| mipseb \| mipsle \| mipsel \| mips64 \| mips64el)
	178	mips_cpu=from-abi
	179	;;
	180	mipsisa32 \| mipsisa32el)
	181	mips_cpu=mips32
	182	;;
af7ee8bf CD	183	mipsisa32r2 \| mipsisa32r2el)
	184	mips_cpu=mips32r2
	185	;;
316f5878 RS	186	mipsisa64 \| mipsisa64el)
	187	mips_cpu=mips64
	188	;;
5f74bc13 CD	189	mipsisa64r2 \| mipsisa64r2el)
	190	mips_cpu=mips64r2
	191	;;
316f5878 RS	192	mipstx39 \| mipstx39el)
	193	mips_cpu=r3900
	194	;;
8f6847cb RS	195	mips64vr \| mips64vrel)
	196	mips_cpu=vr4100
	197	;;
5f74bc13	198	mipsisa32r2* \| mipsisa64r2*)
af7ee8bf CD	199	changequote(,)dnl
	200	mips_cpu=`echo $target_cpu \| sed -e 's/[a-z]*..r2//' -e 's/el$//'`
	201	changequote([,])dnl
	202	;;
316f5878 RS	203	mips64* \| mipsisa64* \| mipsisa32*)
	204	changequote(,)dnl
	205	mips_cpu=`echo $target_cpu \| sed -e 's/[a-z]*..//' -e 's/el$//'`
	206	changequote([,])dnl
	207	;;
	208	*)
	209	AC_ERROR($target_cpu isn't a supported MIPS CPU name)
	210	;;
	211	esac
	212	# See whether it's appropriate to set E_MIPS_ABI_O32 for o32
	213	# binaries. It's a GNU extension that some OSes don't understand.
	214	# The value only matters on ELF targets.
	215	case ${target} in
	216	--irix*)
	217	use_e_mips_abi_o32=0
	218	;;
	219	*)
	220	use_e_mips_abi_o32=1
	221	;;
	222	esac
	223	# Decide whether to generate 32-bit or 64-bit code by default.
	224	# Used to resolve -march=from-abi when an embedded ABI is selected.
	225	case ${target} in
	226	mips64--* \| mipsisa64--*)
	227	mips_default_64bit=1
	228	;;
	229	*)
	230	mips_default_64bit=0
	231	;;
	232	esac
cac012d6 AO	233	# Decide which ABI to target by default.
	234	case ${target} in
	235	mips64-linux \| mips-sgi-irix6*)
	236	mips_default_abi=N32_ABI
	237	;;
	238	mips-linux)
	239	mips_default_abi=O32_ABI
	240	;;
26eebcf5 MK	241	mips64-openbsd)
	242	mips_default_abi=N64_ABI
	243	;;
cac012d6 AO	244	*)
	245	mips_default_abi=NO_ABI
	246	;;
	247	esac
316f5878 RS	248	AC_DEFINE_UNQUOTED(MIPS_CPU_STRING_DEFAULT, "$mips_cpu",
	249	[Default CPU for MIPS targets. ])
	250	AC_DEFINE_UNQUOTED(USE_E_MIPS_ABI_O32, $use_e_mips_abi_o32,
	251	[Allow use of E_MIPS_ABI_O32 on MIPS targets. ])
	252	AC_DEFINE_UNQUOTED(MIPS_DEFAULT_64BIT, $mips_default_64bit,
	253	[Generate 64-bit code by default on MIPS targets. ])
cac012d6 AO	254	AC_DEFINE_UNQUOTED(MIPS_DEFAULT_ABI, $mips_default_abi,
cac012d6 AO	255	[Choose a default ABI for MIPS targets. ])
316f5878 RS	256	;;
	257	esac
	258
252b5132 RH	259	# Do we need the opcodes library?
	260	case ${cpu_type} in
	261	vax \| i386 \| tic30)
	262	;;
	263
	264	*)
	265	need_opcodes=yes
	266
	267	case "${enable_shared}" in
	268	yes) shared_opcodes=true ;;
	269	opcodes) shared_opcodes=true ;;
	270	*) shared_opcodes=false ;;
	271	esac
252b5132 RH	272	;;
	273	esac
	274
	275	# Any other special object files needed ?
	276	case ${cpu_type} in
1c53c80d	277	fr30 \| ip2k \| iq2000 \| m32r \| openrisc)
252b5132 RH	278	using_cgen=yes
	279	;;
	280
49f58d10 JB	281	m32c)
	282	using_cgen=yes
	283	;;
0ebb9a87 DB	284	frv)
	285	using_cgen=yes
	286	;;
252b5132 RH	287	m68k)
	288	case ${extra_objects} in
	289	m68k-parse.o) ;;
	290	*) extra_objects="$extra_objects m68k-parse.o" ;;
	291	esac
	292	;;
	293
	294	mips)
	295	echo ${extra_objects} \| grep -s "itbl-parse.o"
	296	if test $? -ne 0 ; then
	297	extra_objects="$extra_objects itbl-parse.o"
	298	fi
	299
	300	echo ${extra_objects} \| grep -s "itbl-lex.o"
	301	if test $? -ne 0 ; then
	302	extra_objects="$extra_objects itbl-lex.o"
	303	fi
	304
	305	echo ${extra_objects} \| grep -s "itbl-ops.o"
	306	if test $? -ne 0 ; then
	307	extra_objects="$extra_objects itbl-ops.o"
	308	fi
	309	;;
	310
047af9ef AH	311	ms1)
	312	using_cgen=yes
	313	;;
	314
c1e4eef7	315	i386 \| s390 \| sparc)
252b5132 RH	316	if test $this_target = $target ; then
	317	AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
	318	fi
	319	;;
93fbbb04 GK	320
	321	xstormy16)
	322	using_cgen=yes
	323	;;
	324
e0001a05 NC	325	xtensa)
	326	echo ${extra_objects} \| grep -s "xtensa-relax.o"
	327	if test $? -ne 0 ; then
	328	extra_objects="$extra_objects xtensa-relax.o"
	329	fi
	330	;;
	331
252b5132 RH	332	*)
	333	;;
	334	esac
	335
	336	if test $using_cgen = yes ; then
	337	case "x${extra_objects}" in
	338	cgen.o) ;;
	339	*) extra_objects="$extra_objects cgen.o" ;;
	340	esac
	341	fi
	342
	343	# See if we really can support this configuration with the emulation code.
	344
	345	if test $this_target = $target ; then
252b5132 RH	346	obj_format=$fmt
252b5132 RH	347	te_file=$em
252b5132 RH	348	fi
	349
	350	# From target name and format, produce a list of supported emulations.
	351
	352	case ${generic_target}-${fmt} in
	353	mips--irix5-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
4008bd9b	354	mips--linux-) case "$endian" in
df3bcd6f L	355	big) emulation="mipsbelf mipslelf mipself" ;;
df3bcd6f L	356	*) emulation="mipslelf mipsbelf mipself" ;;
252b5132 RH	357	esac ;;
	358	mips--lnews-ecoff) ;;
	359	mips---ecoff) case "$endian" in
	360	big) emulation="mipsbecoff mipslecoff mipsecoff" ;;
	361	*) emulation="mipslecoff mipsbecoff mipsecoff" ;;
	362	esac ;;
	363	mips---elf) case "$endian" in
	364	big) emulation="mipsbelf mipslelf mipself" ;;
	365	*) emulation="mipslelf mipsbelf mipself" ;;
252b5132	366	esac ;;
906fac54	367	mips--sysv4MP-) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
119caedd L	368	# i386-pc-pe-coff != i386-pc-coff.
119caedd L	369	i386-*-pe-coff) ;;
4c63da97 AM	370	# Uncommenting the next line will turn on support for i386 AOUT
	371	# for the default linux configuration
	372	# i386--linux-elf) emulation="i386elf i386aout" ;;
	373	#
	374	i386-*-aout) emulation="i386aout" ;;
4ca72d38	375	i386-*-coff) emulation="i386coff" ;;
4c63da97	376	i386-*-elf) emulation="i386elf" ;;
3bcbcc3d	377
f9c19112 HPN	378	# Always all formats. The first stated emulation becomes the default.
	379	cris--aout*) emulation="crisaout criself" ;;
	380	cris--) emulation="criself crisaout" ;;
252b5132 RH	381	esac
	382
	383	emulations="$emulations $emulation"
	384
	385	done
	386
15886821 L	387	# Turn on all targets if possible
	388	if test ${all_targets} = "yes"; then
	389	case ${target_cpu_type} in
	390	i386)
	391	case ${obj_format} in
	392	aout)
	393	emulations="$emulations i386coff i386elf"
	394	;;
	395	coff)
	396	emulations="$emulations i386aout i386elf"
	397	;;
	398	elf)
	399	emulations="$emulations i386aout i386coff"
	400	;;
	401	esac
	402	;;
	403	esac
	404	fi
	405
252b5132 RH	406	# Assign floating point type. Most processors with FP support
	407	# IEEE FP. On those that don't support FP at all, usually IEEE
	408	# is emulated.
	409	case ${target_cpu} in
	410	vax \| tahoe ) atof=${target_cpu} ;;
e135f41b	411	pdp11) atof=vax ;;
252b5132 RH	412	*) atof=ieee ;;
	413	esac
	414
	415	case "${obj_format}" in
	416	"") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;;
	417	esac
	418
	419	# Unfortunately the cpu in cpu-opc.h file isn't always $(TARGET_CPU).
	420	cgen_cpu_prefix=""
	421	if test $using_cgen = yes ; then
	422	case ${target_cpu} in
	423	*) cgen_cpu_prefix=${target_cpu} ;;
	424	esac
	425	AC_SUBST(cgen_cpu_prefix)
	426	AC_DEFINE(USING_CGEN, 1, [Using cgen code?])
	427	fi
	428
	429	dnl
	430	dnl Make sure the desired support files exist.
	431	dnl
	432
	433	if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then
	434	AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type})
	435	fi
	436
	437	if test ! -r ${srcdir}/config/obj-${obj_format}.c; then
	438	AC_MSG_ERROR(GAS does not have support for object file format ${obj_format})
	439	fi
	440
252b5132 RH	441	# Some COFF configurations want these random other flags set.
	442	case ${obj_format} in
	443	coff)
	444	case ${target_cpu_type} in
	445	i386) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
	446	m68k) AC_DEFINE(M68KCOFF, 1, [Using m68k COFF?]) ;;
	447	m88k) AC_DEFINE(M88KCOFF, 1, [Using m88k COFF?]) ;;
	448	esac
	449	;;
	450	esac
	451
	452	# Getting this done right is going to be a bitch. Each configuration specified
7be1c489 AM	453	# with --enable-targets=... should be checked for environment, format, cpu
7be1c489 AM	454	# setting.
252b5132 RH	455	#
	456	# For each configuration, the necessary object file support code must be linked
	457	# in. This might be only one, it might be up to four. The necessary emulation
	458	# code needs to be provided, too.
	459	#
	460	# And then there's "--enable-targets=all"....
	461	#
	462	# For now, just always do it for MIPS ELF or ECOFF configurations. Sigh.
	463
	464	formats="${obj_format}"
	465	emfiles=""
	466	EMULATIONS=""
	467	GAS_UNIQ(emulations)
	468	for em in . $emulations ; do
	469	case $em in
	470	.) continue ;;
97238fbd	471	mipsbelf \| mipslelf \| mipself)
252b5132	472	fmt=elf file=mipself ;;
97238fbd	473	mipsbecoff \| mipslecoff \| mipsecoff)
252b5132	474	fmt=ecoff file=mipsecoff ;;
0aa5d426 HPN	475	*coff)
	476	fmt=coff file=$em ;;
	477	*aout)
	478	fmt=aout file=$em ;;
	479	*elf)
	480	fmt=elf file=$em ;;
252b5132 RH	481	esac
	482	formats="$formats $fmt"
	483	emfiles="$emfiles e-$file.o"
	484	EMULATIONS="$EMULATIONS &$em,"
	485	done
	486	GAS_UNIQ(formats)
	487	GAS_UNIQ(emfiles)
	488	if test `set . $formats ; shift ; echo $#` -gt 1 ; then
	489	for fmt in $formats ; do
	490	case $fmt in
	491	aout) AC_DEFINE(OBJ_MAYBE_AOUT, 1, [a.out support?]) ;;
	492	bout) AC_DEFINE(OBJ_MAYBE_BOUT, 1, [b.out support?]) ;;
	493	coff) AC_DEFINE(OBJ_MAYBE_COFF, 1, [COFF support?]) ;;
	494	ecoff) AC_DEFINE(OBJ_MAYBE_ECOFF, 1, [ECOFF support?]) ;;
	495	elf) AC_DEFINE(OBJ_MAYBE_ELF, 1, [ELF support?]) ;;
	496	generic) AC_DEFINE(OBJ_MAYBE_GENERIC, 1, [generic support?]) ;;
252b5132 RH	497	ieee) AC_DEFINE(OBJ_MAYBE_IEEE, 1, [IEEE support?]) ;;
252b5132 RH	498	som) AC_DEFINE(OBJ_MAYBE_SOM, 1, [SOM support?]) ;;
252b5132 RH	499	esac
	500	extra_objects="$extra_objects obj-$fmt.o"
	501	done
	502	obj_format=multi
	503	fi
	504	if test `set . $emfiles ; shift ; echo $#` -gt 0 ; then
252b5132	505	DEFAULT_EMULATION=`set . $emulations ; echo $2`
4ca72d38 AM	506	# e-mips* has more than one emulation per file, e-i386* has just one at the
	507	# moment. If only one emulation is specified, then don't define
	508	# USE_EMULATIONS or include any of the e-files as they will only be bloat.
	509	case "${obj_format}${emfiles}" in
	510	multi* \| mips)
4ca72d38 AM	511	extra_objects="$extra_objects $emfiles"
	512	AC_DEFINE(USE_EMULATIONS, 1, [Use emulation support?]) ;;
	513	esac
252b5132 RH	514	fi
	515	AC_SUBST(extra_objects)
	516	AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS, [Supported emulations.])
	517	AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION",
	518	[Default emulation.])
	519
252b5132 RH	520	reject_dev_configs=yes
	521
	522	case ${reject_dev_configs}-${dev} in
	523	yes-yes) # Oops.
	524	AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.)
	525	;;
	526	esac
	527
	528	AC_SUBST(target_cpu_type)
	529	AC_SUBST(obj_format)
	530	AC_SUBST(te_file)
	531	AC_SUBST(install_tooldir)
	532	AC_SUBST(atof)
	533	dnl AC_SUBST(emulation)
	534
252b5132 RH	535	# do we need the opcodes library?
	536	case "${need_opcodes}" in
	537	yes)
	538	OPCODES_LIB=../opcodes/libopcodes.la
	539	;;
	540	esac
	541
7be1c489 AM	542	BFDLIB=../bfd/libbfd.la
	543	BFDVER_H=../bfd/bfdver.h
	544	ALL_OBJ_DEPS="$ALL_OBJ_DEPS"' ../bfd/bfd.h $(INCDIR)/symcat.h'
252b5132 RH	545
	546	AC_SUBST(BFDLIB)
	547	AC_SUBST(OPCODES_LIB)
	548
4001ad8c	549	AC_SUBST(BFDVER_H)
252b5132 RH	550	AC_SUBST(ALL_OBJ_DEPS)
	551
	552	AC_DEFINE_UNQUOTED(TARGET_ALIAS, "${target_alias}", [Target alias.])
	553	AC_DEFINE_UNQUOTED(TARGET_CANONICAL, "${target}", [Canonical target.])
	554	AC_DEFINE_UNQUOTED(TARGET_CPU, "${target_cpu}", [Target CPU.])
	555	AC_DEFINE_UNQUOTED(TARGET_VENDOR, "${target_vendor}", [Target vendor.])
	556	AC_DEFINE_UNQUOTED(TARGET_OS, "${target_os}", [Target OS.])
	557
	558	AC_PROG_CC
	559
	560	AC_PROG_YACC
	561	AM_PROG_LEX
	562
0d6af1ab	563	ALL_LINGUAS="fr tr es rw"
252b5132 RH	564	CY_GNU_GETTEXT
	565
	566	AM_MAINTAINER_MODE
	567	AC_EXEEXT
	568
	569	AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h stdarg.h varargs.h errno.h sys/types.h)
	570
	571	# Put this here so that autoconf's "cross-compiling" message doesn't confuse
	572	# people who are not cross-compiling but are compiling cross-assemblers.
	573	AC_MSG_CHECKING(whether compiling a cross-assembler)
	574	if test "${host}" = "${target}"; then
	575	cross_gas=no
	576	else
	577	cross_gas=yes
	578	AC_DEFINE(CROSS_COMPILE, 1, [Compiling cross-assembler?])
	579	fi
	580	AC_MSG_RESULT($cross_gas)
	581
	582	dnl ansidecl.h will deal with const
	583	dnl AC_CONST
	584	AC_FUNC_ALLOCA
	585	AC_C_INLINE
	586
	587	# VMS doesn't have unlink.
	588	AC_CHECK_FUNCS(unlink remove, break)
	589
	590	# Some systems don't have sbrk().
	591	AC_CHECK_FUNCS(sbrk)
	592
39bec121 TW	593	# do we need the math library?
	594	case "${need_libm}" in
	595	yes)
	596	AC_CHECK_LIBM
	597	AC_SUBST(LIBM)
	598	;;
	599	esac
	600
252b5132 RH	601	# Some non-ANSI preprocessors botch requoting inside strings. That's bad
	602	# enough, but on some of those systems, the assert macro relies on requoting
	603	# working properly!
	604	GAS_WORKING_ASSERT
	605
	606	# On some systems, the system header files may not declare malloc, realloc,
	607	# and free. There are places where gas needs these functions to have been
	608	# declared -- such as when taking their addresses.
	609	gas_test_headers="
	610	#ifdef HAVE_MEMORY_H
	611	#include <memory.h>
	612	#endif
	613	#ifdef HAVE_STRING_H
	614	#include <string.h>
	615	#else
	616	#ifdef HAVE_STRINGS_H
	617	#include <strings.h>
	618	#endif
	619	#endif
	620	#ifdef HAVE_STDLIB_H
	621	#include <stdlib.h>
	622	#endif
	623	#ifdef HAVE_UNISTD_H
	624	#include <unistd.h>
	625	#endif
	626	"
252b5132 RH	627
	628	# Does errno.h declare errno, or do we have to add a separate declaration
	629	# for it?
	630	GAS_CHECK_DECL_NEEDED(errno, f, int f, [
	631	#ifdef HAVE_ERRNO_H
	632	#include <errno.h>
	633	#endif
	634	])
	635
56f36663 NC	636	AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
	637	AC_CACHE_VAL(gas_cv_decl_getopt_unistd_h,
	638	[AC_TRY_COMPILE([#include <unistd.h>], [extern int getopt (int, char const, const char *);],
	639	gas_cv_decl_getopt_unistd_h=yes, gas_cv_decl_getopt_unistd_h=no)])
	640	AC_MSG_RESULT($gas_cv_decl_getopt_unistd_h)
	641	if test $gas_cv_decl_getopt_unistd_h = yes; then
	642	AC_DEFINE([HAVE_DECL_GETOPT], 1,
	643	[Is the prototype for getopt in <unistd.h> in the expected format?])
	644	fi
	645
e8a38df5 AL	646	GAS_CHECK_DECL_NEEDED(environ, f, char **f, $gas_test_headers)
	647	GAS_CHECK_DECL_NEEDED(ffs, f, int (*f)(int), $gas_test_headers)
	648	GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers)
	649	GAS_CHECK_DECL_NEEDED(malloc, f, char (f)(), $gas_test_headers)
	650	GAS_CHECK_DECL_NEEDED(sbrk, f, char (f)(), $gas_test_headers)
	651	GAS_CHECK_DECL_NEEDED(strstr, f, char (f)(), $gas_test_headers)
	652
252b5132 RH	653	dnl This must come last.
	654
	655	dnl We used to make symlinks to files in the source directory, but now
	656	dnl we just use the right name for .c files, and create .h files in
	657	dnl the build directory which include the right .h file. Make sure
	658	dnl the old symlinks don't exist, so that a reconfigure in an existing
	659	dnl directory behaves reasonably.
	660
13b2be9c DJ	661	AC_CONFIG_FILES(Makefile doc/Makefile po/Makefile.in:po/Make-in)
13b2be9c DJ	662	AC_CONFIG_COMMANDS([default],
252b5132 RH	663	[rm -f targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c itbl-cpu.h
	664	echo '#include "tc-'"${target_cpu_type}"'.h"' > targ-cpu.h
	665	echo '#include "obj-'"${obj_format}"'.h"' > obj-format.h
	666	echo '#include "te-'"${te_file}"'.h"' > targ-env.h
	667	echo '#include "itbl-'"${target_cpu_type}"'.h"' > itbl-cpu.h
	668	if test "x$cgen_cpu_prefix" != x ; then
	669	echo '#include "opcodes/'"${cgen_cpu_prefix}"'-desc.h"' > cgen-desc.h
	670	fi
	671
	672	sed -e '/POTFILES =/r po/POTFILES' po/Makefile.in > po/Makefile],
	673	[target_cpu_type=${target_cpu_type}
	674	cgen_cpu_prefix=${cgen_cpu_prefix}
	675	obj_format=${obj_format}
	676	te_file=${te_file}])
13b2be9c DJ	677
13b2be9c DJ	678	AC_OUTPUT