[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(2.59)
AC_INIT
AC_CONFIG_SRCDIR(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_TARGET
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})

AC_PROG_CC
AC_GNU_SOURCE
AC_USE_SYSTEM_EXTENSIONS
AC_SYS_LARGEFILE

LT_INIT

AC_ARG_ENABLE(targets,
[  --enable-targets        alternative target configurations besides the primary],
[case "${enableval}" in
  yes | "") AC_MSG_ERROR(enable-targets option must specify target names or 'all')
	    ;;
  no)	    enable_targets= ;;
  *)	    enable_targets=$enableval ;;
esac])dnl

ac_checking=yes
if grep '^RELEASE=y' ${srcdir}/../bfd/Makefile.am >/dev/null 2>/dev/null ; then
  ac_checking=
fi
AC_ARG_ENABLE(checking,
[  --enable-checking       enable run-time checks],
[case "${enableval}" in
  no|none)  ac_checking= ;;
  *)	    ac_checking=yes ;;
esac])dnl
if test x$ac_checking != x ; then
  AC_DEFINE(ENABLE_CHECKING, 1, [Define if you want run-time sanity checks.])
fi

using_cgen=no

AM_BINUTILS_WARNINGS

# Generate a header file
AC_CONFIG_HEADERS(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.)
	;;

changequote(,)dnl
      ppc-*-aix[5-9].*)
changequote([,])dnl
	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_MSG_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 | 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

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

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

      fr30 | ip2k | iq2000 | lm32 | 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
	;;

      mep)
	using_cgen=yes
	;;

      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
	;;

      mt)
        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
	;;

      xc16x)
	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
  ;;
  x86_64)
    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 | 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?]) ;;
      x86_64) AC_DEFINE(I386COFF, 1, [Using i386 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 $fmt in
      aout)	AC_DEFINE(OBJ_MAYBE_AOUT, 1,    [a.out support?])   ;;
      bout)	AC_DEFINE(OBJ_MAYBE_BOUT, 1,    [b.out support?])   ;;
      coff)	AC_DEFINE(OBJ_MAYBE_COFF, 1,    [COFF support?])    ;;
      ecoff)	AC_DEFINE(OBJ_MAYBE_ECOFF, 1,   [ECOFF support?])   ;;
      elf)	AC_DEFINE(OBJ_MAYBE_ELF, 1,     [ELF support?])     ;;
      generic)	AC_DEFINE(OBJ_MAYBE_GENERIC, 1, [generic support?]) ;;
      som)	AC_DEFINE(OBJ_MAYBE_SOM, 1,     [SOM support?])     ;;
    esac
    extra_objects="$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

AC_SUBST(OPCODES_LIB)

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_YACC
AM_PROG_LEX

ALL_LINGUAS="fr tr es rw id"
ZW_GNU_GETTEXT_SISTER_DIR
AM_PO_SUBDIRS

AM_MAINTAINER_MODE
AM_CONDITIONAL(GENINSRC_NEVER, false)
AC_EXEEXT

AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h stdarg.h varargs.h errno.h sys/types.h limits.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_C_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)
  LT_LIB_M
  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_COMPILE_IFELSE([AC_LANG_PROGRAM([#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)

AC_CHECK_DECLS([vsnprintf])

BFD_BINARY_FOPEN

dnl Required for html, pdf, install-pdf and install-html targets.
AC_SUBST(datarootdir)
AC_SUBST(docdir)
AC_SUBST(htmldir)
AC_SUBST(pdfdir)

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],
[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
	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
	8	AC_PREREQ(2.59)
	9	AC_INIT
	10	AC_CONFIG_SRCDIR(as.h)
	11
	12	dnl Autoconf 2.57 will find the aux dir without this. However, unless
	13	dnl we specify this explicitly, automake-1.7 will assume that ylwrap is in
	14	dnl gas/ instead of gas/../.
	15	AC_CONFIG_AUX_DIR(..)
	16	AC_CANONICAL_TARGET
	17	AC_ISC_POSIX
	18
	19	changequote(,)dnl
	20	BFD_VERSION=`sed -n -e 's/^.._INIT_AUTOMAKE.,[ ]\([^ ]\)[ ]).*/\1/p' < ${srcdir}/../bfd/configure.in`
	21	changequote([,])dnl
	22	AM_INIT_AUTOMAKE(gas, ${BFD_VERSION})
	23
	24	AC_PROG_CC
	25	AC_GNU_SOURCE
	26	AC_USE_SYSTEM_EXTENSIONS
	27	AC_SYS_LARGEFILE
	28
	29	LT_INIT
	30
	31	AC_ARG_ENABLE(targets,
	32	[ --enable-targets alternative target configurations besides the primary],
	33	[case "${enableval}" in
	34	yes \| "") AC_MSG_ERROR(enable-targets option must specify target names or 'all')
	35	;;
	36	no) enable_targets= ;;
	37	*) enable_targets=$enableval ;;
	38	esac])dnl
	39
	40	ac_checking=yes
	41	if grep '^RELEASE=y' ${srcdir}/../bfd/Makefile.am >/dev/null 2>/dev/null ; then
	42	ac_checking=
	43	fi
	44	AC_ARG_ENABLE(checking,
	45	[ --enable-checking enable run-time checks],
	46	[case "${enableval}" in
	47	no\|none) ac_checking= ;;
	48	*) ac_checking=yes ;;
	49	esac])dnl
	50	if test x$ac_checking != x ; then
	51	AC_DEFINE(ENABLE_CHECKING, 1, [Define if you want run-time sanity checks.])
	52	fi
	53
	54	using_cgen=no
	55
	56	AM_BINUTILS_WARNINGS
	57
	58	# Generate a header file
	59	AC_CONFIG_HEADERS(config.h:config.in)
	60
	61	# If we are on a DOS filesystem, we must use gdb.ini rather than
	62	# .gdbinit.
	63	case "${host}" in
	64	--msdos* \| --go32* \| --mingw32* \| --windows*)
	65	GDBINIT="gdb.ini"
	66	AC_CONFIG_FILES(gdb.ini:gdbinit.in)
	67	;;
	68	*)
	69	GDBINIT=".gdbinit"
	70	AC_CONFIG_FILES(.gdbinit:gdbinit.in)
	71	;;
	72	esac
	73	AC_SUBST(GDBINIT)
	74
	75	#We need this for the host. BOUT header is in host order.
	76	AC_C_BIGENDIAN
	77
	78	te_file=generic
	79
	80	# Makefile target for installing gas in $(tooldir)/bin.
	81	install_tooldir=install-exec-tooldir
	82
	83	canon_targets=""
	84	all_targets=no
	85	if test -n "$enable_targets" ; then
	86	for t in `echo $enable_targets \| sed 's/,/ /g'`; do
	87	if test $t = "all"; then
	88	all_targets=yes
	89	continue
	90	fi
	91	result=`$ac_config_sub $t 2>/dev/null`
	92	if test -n "$result" ; then
	93	canon_targets="$canon_targets $result"
	94	# else
	95	# # Permit "all", etc. We don't support it yet though.
	96	# canon_targets="$canon_targets $t"
	97	fi
	98	done
	99	GAS_UNIQ(canon_targets)
	100	fi
	101
	102	emulations=""
	103
	104	for this_target in $target $canon_targets ; do
	105
	106	targ=${this_target}
	107	. ${srcdir}/configure.tgt
	108
	109	case ${target_cpu} in
	110	crisv32)
	111	AC_DEFINE_UNQUOTED(DEFAULT_CRIS_ARCH, $arch,
	112	[Default CRIS architecture.])
	113	;;
	114	esac
	115
	116	if test ${this_target} = $target ; then
	117	target_cpu_type=${cpu_type}
	118	elif test ${target_cpu_type} != ${cpu_type} ; then
	119	continue
	120	fi
	121
	122	generic_target=${cpu_type}-${target_vendor}-${target_os}
	123	case ${generic_target} in
	124	i386--sco3.2v5)
	125	if test ${this_target} = $target; then
	126	AC_DEFINE(SCO_ELF, 1, [Define if defaulting to ELF on SCO 5.])
	127	fi
	128	;;
	129
	130	i386--msdosdjgpp \
	131	\| i386--go32 \
	132	\| i386-go32-rtems*)
	133	AC_DEFINE(STRICTCOFF, 1, [Using strict COFF?])
	134	;;
	135
	136	i860--)
	137	AC_MSG_WARN(GAS support for ${generic_target} is preliminary and a work in progress)
	138	;;
	139
	140	mips-sony-bsd*)
	141	;;
	142	mips--bsd)
	143	AC_MSG_ERROR(Unknown vendor for mips-bsd configuration.)
	144	;;
	145
	146	changequote(,)dnl
	147	ppc--aix[5-9].)
	148	changequote([,])dnl
	149	AC_DEFINE(AIX_WEAK_SUPPORT, 1,
	150	[Define if using AIX 5.2 value for C_WEAKEXT.])
	151	;;
	152	ppc--linux-)
	153	case "$endian" in
	154	big) ;;
	155	*) AC_MSG_ERROR(GNU/Linux must be configured big endian) ;;
	156	esac
	157	;;
	158	ppc--solaris)
	159	if test ${this_target} = $target; then
	160	AC_DEFINE(TARGET_SOLARIS_COMMENT, 1,
	161	[Define if default target is PowerPC Solaris.])
	162	fi
	163	if test x${endian} = xbig; then
	164	AC_MSG_ERROR(Solaris must be configured little endian)
	165	fi
	166	;;
	167
	168	sh--symbianelf*)
	169	AC_DEFINE(TARGET_SYMBIAN, 1, [Define if target is Symbian OS.])
	170	;;
	171	esac
	172
	173	if test ${this_target} = $target ; then
	174	endian_def=
	175	if test x${endian} = xbig; then
	176	endian_def=1
	177	elif test x${endian} = xlittle; then
	178	endian_def=0
	179	fi
	180	if test x${endian_def} != x; then
	181	AC_DEFINE_UNQUOTED(TARGET_BYTES_BIG_ENDIAN, $endian_def,
	182	[Define as 1 if big endian.])
	183	fi
	184	fi
	185
	186	# Other random stuff.
	187
	188	case ${cpu_type} in
	189	mips)
	190	# Set mips_cpu to the name of the default CPU.
	191	case ${target_cpu} in
	192	mips \| mipsbe \| mipseb \| mipsle \| mipsel \| mips64 \| mips64el)
	193	mips_cpu=from-abi
	194	;;
	195	mipsisa32 \| mipsisa32el)
	196	mips_cpu=mips32
	197	;;
	198	mipsisa32r2 \| mipsisa32r2el)
	199	mips_cpu=mips32r2
	200	;;
	201	mipsisa64 \| mipsisa64el)
	202	mips_cpu=mips64
	203	;;
	204	mipsisa64r2 \| mipsisa64r2el)
	205	mips_cpu=mips64r2
	206	;;
	207	mipstx39 \| mipstx39el)
	208	mips_cpu=r3900
	209	;;
	210	mips64vr \| mips64vrel)
	211	mips_cpu=vr4100
	212	;;
	213	mipsisa32r2* \| mipsisa64r2*)
	214	changequote(,)dnl
	215	mips_cpu=`echo $target_cpu \| sed -e 's/[a-z]*..r2//' -e 's/el$//'`
	216	changequote([,])dnl
	217	;;
	218	mips64* \| mipsisa64* \| mipsisa32*)
	219	changequote(,)dnl
	220	mips_cpu=`echo $target_cpu \| sed -e 's/[a-z]*..//' -e 's/el$//'`
	221	changequote([,])dnl
	222	;;
	223	*)
	224	AC_MSG_ERROR($target_cpu isn't a supported MIPS CPU name)
	225	;;
	226	esac
	227	# See whether it's appropriate to set E_MIPS_ABI_O32 for o32
	228	# binaries. It's a GNU extension that some OSes don't understand.
	229	# The value only matters on ELF targets.
	230	case ${target} in
	231	--irix*)
	232	use_e_mips_abi_o32=0
	233	;;
	234	*)
	235	use_e_mips_abi_o32=1
	236	;;
	237	esac
	238	# Decide whether to generate 32-bit or 64-bit code by default.
	239	# Used to resolve -march=from-abi when an embedded ABI is selected.
	240	case ${target} in
	241	mips64--* \| mipsisa64--*)
	242	mips_default_64bit=1
	243	;;
	244	*)
	245	mips_default_64bit=0
	246	;;
	247	esac
	248	# Decide which ABI to target by default.
	249	case ${target} in
	250	mips64-linux \| mips-sgi-irix6*)
	251	mips_default_abi=N32_ABI
	252	;;
	253	mips-linux)
	254	mips_default_abi=O32_ABI
	255	;;
	256	mips64-openbsd)
	257	mips_default_abi=N64_ABI
	258	;;
	259	*)
	260	mips_default_abi=NO_ABI
	261	;;
	262	esac
	263	AC_DEFINE_UNQUOTED(MIPS_CPU_STRING_DEFAULT, "$mips_cpu",
	264	[Default CPU for MIPS targets. ])
	265	AC_DEFINE_UNQUOTED(USE_E_MIPS_ABI_O32, $use_e_mips_abi_o32,
	266	[Allow use of E_MIPS_ABI_O32 on MIPS targets. ])
	267	AC_DEFINE_UNQUOTED(MIPS_DEFAULT_64BIT, $mips_default_64bit,
	268	[Generate 64-bit code by default on MIPS targets. ])
	269	AC_DEFINE_UNQUOTED(MIPS_DEFAULT_ABI, $mips_default_abi,
	270	[Choose a default ABI for MIPS targets. ])
	271	;;
	272	esac
	273
	274	# Do we need the opcodes library?
	275	case ${cpu_type} in
	276	vax \| tic30)
	277	;;
	278
	279	*)
	280	need_opcodes=yes
	281
	282	case "${enable_shared}" in
	283	yes) shared_opcodes=true ;;
	284	opcodes) shared_opcodes=true ;;
	285	*) shared_opcodes=false ;;
	286	esac
	287	;;
	288	esac
	289
	290	# Any other special object files needed ?
	291	case ${cpu_type} in
	292
	293	bfin)
	294	echo ${extra_objects} \| grep -s "bfin-parse.o"
	295	if test $? -ne 0 ; then
	296	extra_objects="$extra_objects bfin-parse.o"
	297	fi
	298
	299	echo ${extra_objects} \| grep -s "bfin-lex.o"
	300	if test $? -ne 0 ; then
	301	extra_objects="$extra_objects bfin-lex.o"
	302	fi
	303	;;
	304
	305	fr30 \| ip2k \| iq2000 \| lm32 \| m32r \| openrisc)
	306	using_cgen=yes
	307	;;
	308
	309	m32c)
	310	using_cgen=yes
	311	;;
	312	frv)
	313	using_cgen=yes
	314	;;
	315	m68k)
	316	case ${extra_objects} in
	317	m68k-parse.o) ;;
	318	*) extra_objects="$extra_objects m68k-parse.o" ;;
	319	esac
	320	;;
	321
	322	mep)
	323	using_cgen=yes
	324	;;
	325
	326	mips)
	327	echo ${extra_objects} \| grep -s "itbl-parse.o"
	328	if test $? -ne 0 ; then
	329	extra_objects="$extra_objects itbl-parse.o"
	330	fi
	331
	332	echo ${extra_objects} \| grep -s "itbl-lex.o"
	333	if test $? -ne 0 ; then
	334	extra_objects="$extra_objects itbl-lex.o"
	335	fi
	336
	337	echo ${extra_objects} \| grep -s "itbl-ops.o"
	338	if test $? -ne 0 ; then
	339	extra_objects="$extra_objects itbl-ops.o"
	340	fi
	341	;;
	342
	343	mt)
	344	using_cgen=yes
	345	;;
	346
	347	i386 \| s390 \| sparc)
	348	if test $this_target = $target ; then
	349	AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
	350	fi
	351	;;
	352
	353	xstormy16)
	354	using_cgen=yes
	355	;;
	356
	357	xc16x)
	358	using_cgen=yes
	359	;;
	360
	361	xtensa)
	362	echo ${extra_objects} \| grep -s "xtensa-relax.o"
	363	if test $? -ne 0 ; then
	364	extra_objects="$extra_objects xtensa-relax.o"
	365	fi
	366	;;
	367
	368	*)
	369	;;
	370	esac
	371
	372	if test $using_cgen = yes ; then
	373	case "x${extra_objects}" in
	374	cgen.o) ;;
	375	*) extra_objects="$extra_objects cgen.o" ;;
	376	esac
	377	fi
	378
	379	# See if we really can support this configuration with the emulation code.
	380
	381	if test $this_target = $target ; then
	382	obj_format=$fmt
	383	te_file=$em
	384	fi
	385
	386	# From target name and format, produce a list of supported emulations.
	387
	388	case ${generic_target}-${fmt} in
	389	mips--irix5-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
	390	mips--linux-) case "$endian" in
	391	big) emulation="mipsbelf mipslelf mipself" ;;
	392	*) emulation="mipslelf mipsbelf mipself" ;;
	393	esac ;;
	394	mips--lnews-ecoff) ;;
	395	mips---ecoff) case "$endian" in
	396	big) emulation="mipsbecoff mipslecoff mipsecoff" ;;
	397	*) emulation="mipslecoff mipsbecoff mipsecoff" ;;
	398	esac ;;
	399	mips---elf) case "$endian" in
	400	big) emulation="mipsbelf mipslelf mipself" ;;
	401	*) emulation="mipslelf mipsbelf mipself" ;;
	402	esac ;;
	403	mips--sysv4MP-) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
	404	# i386-pc-pe-coff != i386-pc-coff.
	405	i386-*-pe-coff) ;;
	406	# Uncommenting the next line will turn on support for i386 AOUT
	407	# for the default linux configuration
	408	# i386--linux-elf) emulation="i386elf i386aout" ;;
	409	#
	410	i386-*-aout) emulation="i386aout" ;;
	411	i386-*-coff) emulation="i386coff" ;;
	412	i386-*-elf) emulation="i386elf" ;;
	413
	414	# Always all formats. The first stated emulation becomes the default.
	415	cris--aout*) emulation="crisaout criself" ;;
	416	cris--) emulation="criself crisaout" ;;
	417	esac
	418
	419	emulations="$emulations $emulation"
	420
	421	done
	422
	423	# Turn on all targets if possible
	424	if test ${all_targets} = "yes"; then
	425	case ${target_cpu_type} in
	426	i386)
	427	case ${obj_format} in
	428	aout)
	429	emulations="$emulations i386coff i386elf"
	430	;;
	431	coff)
	432	emulations="$emulations i386aout i386elf"
	433	;;
	434	elf)
	435	emulations="$emulations i386aout i386coff"
	436	;;
	437	esac
	438	;;
	439	x86_64)
	440	case ${obj_format} in
	441	aout)
	442	emulations="$emulations i386coff i386elf"
	443	;;
	444	coff)
	445	emulations="$emulations i386aout i386elf"
	446	;;
	447	elf)
	448	emulations="$emulations i386aout i386coff"
	449	;;
	450	esac
	451	;;
	452	esac
	453	fi
	454
	455	# Assign floating point type. Most processors with FP support
	456	# IEEE FP. On those that don't support FP at all, usually IEEE
	457	# is emulated.
	458	case ${target_cpu} in
	459	vax \| pdp11 ) atof=vax ;;
	460	*) atof=ieee ;;
	461	esac
	462
	463	case "${obj_format}" in
	464	"") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;;
	465	esac
	466
	467	# Unfortunately the cpu in cpu-opc.h file isn't always $(TARGET_CPU).
	468	cgen_cpu_prefix=""
	469	if test $using_cgen = yes ; then
	470	case ${target_cpu} in
	471	*) cgen_cpu_prefix=${target_cpu} ;;
	472	esac
	473	AC_SUBST(cgen_cpu_prefix)
	474	AC_DEFINE(USING_CGEN, 1, [Using cgen code?])
	475	fi
	476
	477	dnl
	478	dnl Make sure the desired support files exist.
	479	dnl
	480
	481	if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then
	482	AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type})
	483	fi
	484
	485	if test ! -r ${srcdir}/config/obj-${obj_format}.c; then
	486	AC_MSG_ERROR(GAS does not have support for object file format ${obj_format})
	487	fi
	488
	489	# Some COFF configurations want these random other flags set.
	490	case ${obj_format} in
	491	coff)
	492	case ${target_cpu_type} in
	493	i386) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
	494	m68k) AC_DEFINE(M68KCOFF, 1, [Using m68k COFF?]) ;;
	495	m88k) AC_DEFINE(M88KCOFF, 1, [Using m88k COFF?]) ;;
	496	x86_64) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
	497	esac
	498	;;
	499	esac
	500
	501	# Getting this done right is going to be a bitch. Each configuration specified
	502	# with --enable-targets=... should be checked for environment, format, cpu
	503	# setting.
	504	#
	505	# For each configuration, the necessary object file support code must be linked
	506	# in. This might be only one, it might be up to four. The necessary emulation
	507	# code needs to be provided, too.
	508	#
	509	# And then there's "--enable-targets=all"....
	510	#
	511	# For now, just always do it for MIPS ELF or ECOFF configurations. Sigh.
	512
	513	formats="${obj_format}"
	514	emfiles=""
	515	EMULATIONS=""
	516	GAS_UNIQ(emulations)
	517	for em in . $emulations ; do
	518	case $em in
	519	.) continue ;;
	520	mipsbelf \| mipslelf \| mipself)
	521	fmt=elf file=mipself ;;
	522	mipsbecoff \| mipslecoff \| mipsecoff)
	523	fmt=ecoff file=mipsecoff ;;
	524	*coff)
	525	fmt=coff file=$em ;;
	526	*aout)
	527	fmt=aout file=$em ;;
	528	*elf)
	529	fmt=elf file=$em ;;
	530	esac
	531	formats="$formats $fmt"
	532	emfiles="$emfiles e-$file.o"
	533	EMULATIONS="$EMULATIONS &$em,"
	534	done
	535	GAS_UNIQ(formats)
	536	GAS_UNIQ(emfiles)
	537	if test `set . $formats ; shift ; echo $#` -gt 1 ; then
	538	for fmt in $formats ; do
	539	case $fmt in
	540	aout) AC_DEFINE(OBJ_MAYBE_AOUT, 1, [a.out support?]) ;;
	541	bout) AC_DEFINE(OBJ_MAYBE_BOUT, 1, [b.out support?]) ;;
	542	coff) AC_DEFINE(OBJ_MAYBE_COFF, 1, [COFF support?]) ;;
	543	ecoff) AC_DEFINE(OBJ_MAYBE_ECOFF, 1, [ECOFF support?]) ;;
	544	elf) AC_DEFINE(OBJ_MAYBE_ELF, 1, [ELF support?]) ;;
	545	generic) AC_DEFINE(OBJ_MAYBE_GENERIC, 1, [generic support?]) ;;
	546	som) AC_DEFINE(OBJ_MAYBE_SOM, 1, [SOM support?]) ;;
	547	esac
	548	extra_objects="$extra_objects obj-$fmt.o"
	549	done
	550	obj_format=multi
	551	fi
	552	if test `set . $emfiles ; shift ; echo $#` -gt 0 ; then
	553	DEFAULT_EMULATION=`set . $emulations ; echo $2`
	554	# e-mips* has more than one emulation per file, e-i386* has just one at the
	555	# moment. If only one emulation is specified, then don't define
	556	# USE_EMULATIONS or include any of the e-files as they will only be bloat.
	557	case "${obj_format}${emfiles}" in
	558	multi* \| mips)
	559	extra_objects="$extra_objects $emfiles"
	560	AC_DEFINE(USE_EMULATIONS, 1, [Use emulation support?]) ;;
	561	esac
	562	fi
	563	AC_SUBST(extra_objects)
	564	AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS, [Supported emulations.])
	565	AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION",
	566	[Default emulation.])
	567
	568	reject_dev_configs=yes
	569
	570	case ${reject_dev_configs}-${dev} in
	571	yes-yes) # Oops.
	572	AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.)
	573	;;
	574	esac
	575
	576	AC_SUBST(target_cpu_type)
	577	AC_SUBST(obj_format)
	578	AC_SUBST(te_file)
	579	AC_SUBST(install_tooldir)
	580	AC_SUBST(atof)
	581	dnl AC_SUBST(emulation)
	582
	583	# do we need the opcodes library?
	584	case "${need_opcodes}" in
	585	yes)
	586	OPCODES_LIB=../opcodes/libopcodes.la
	587	;;
	588	esac
	589
	590	AC_SUBST(OPCODES_LIB)
	591
	592	AC_DEFINE_UNQUOTED(TARGET_ALIAS, "${target_alias}", [Target alias.])
	593	AC_DEFINE_UNQUOTED(TARGET_CANONICAL, "${target}", [Canonical target.])
	594	AC_DEFINE_UNQUOTED(TARGET_CPU, "${target_cpu}", [Target CPU.])
	595	AC_DEFINE_UNQUOTED(TARGET_VENDOR, "${target_vendor}", [Target vendor.])
	596	AC_DEFINE_UNQUOTED(TARGET_OS, "${target_os}", [Target OS.])
	597
	598	AC_PROG_YACC
	599	AM_PROG_LEX
	600
	601	ALL_LINGUAS="fr tr es rw id"
	602	ZW_GNU_GETTEXT_SISTER_DIR
	603	AM_PO_SUBDIRS
	604
	605	AM_MAINTAINER_MODE
	606	AM_CONDITIONAL(GENINSRC_NEVER, false)
	607	AC_EXEEXT
	608
	609	AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h stdarg.h varargs.h errno.h sys/types.h limits.h)
	610
	611	# Put this here so that autoconf's "cross-compiling" message doesn't confuse
	612	# people who are not cross-compiling but are compiling cross-assemblers.
	613	AC_MSG_CHECKING(whether compiling a cross-assembler)
	614	if test "${host}" = "${target}"; then
	615	cross_gas=no
	616	else
	617	cross_gas=yes
	618	AC_DEFINE(CROSS_COMPILE, 1, [Compiling cross-assembler?])
	619	fi
	620	AC_MSG_RESULT($cross_gas)
	621
	622	dnl ansidecl.h will deal with const
	623	dnl AC_C_CONST
	624	AC_FUNC_ALLOCA
	625	AC_C_INLINE
	626
	627	# VMS doesn't have unlink.
	628	AC_CHECK_FUNCS(unlink remove, break)
	629
	630	# Some systems don't have sbrk().
	631	AC_CHECK_FUNCS(sbrk)
	632
	633	# do we need the math library?
	634	case "${need_libm}" in
	635	yes)
	636	LT_LIB_M
	637	AC_SUBST(LIBM)
	638	;;
	639	esac
	640
	641	# Some non-ANSI preprocessors botch requoting inside strings. That's bad
	642	# enough, but on some of those systems, the assert macro relies on requoting
	643	# working properly!
	644	GAS_WORKING_ASSERT
	645
	646	# On some systems, the system header files may not declare malloc, realloc,
	647	# and free. There are places where gas needs these functions to have been
	648	# declared -- such as when taking their addresses.
	649	gas_test_headers="
	650	#ifdef HAVE_MEMORY_H
	651	#include <memory.h>
	652	#endif
	653	#ifdef HAVE_STRING_H
	654	#include <string.h>
	655	#else
	656	#ifdef HAVE_STRINGS_H
	657	#include <strings.h>
	658	#endif
	659	#endif
	660	#ifdef HAVE_STDLIB_H
	661	#include <stdlib.h>
	662	#endif
	663	#ifdef HAVE_UNISTD_H
	664	#include <unistd.h>
	665	#endif
	666	"
	667
	668	# Does errno.h declare errno, or do we have to add a separate declaration
	669	# for it?
	670	GAS_CHECK_DECL_NEEDED(errno, f, int f, [
	671	#ifdef HAVE_ERRNO_H
	672	#include <errno.h>
	673	#endif
	674	])
	675
	676	AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
	677	AC_CACHE_VAL(gas_cv_decl_getopt_unistd_h,
	678	[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <unistd.h>], [extern int getopt (int, char const, const char *);])],
	679	gas_cv_decl_getopt_unistd_h=yes, gas_cv_decl_getopt_unistd_h=no)])
	680	AC_MSG_RESULT($gas_cv_decl_getopt_unistd_h)
	681	if test $gas_cv_decl_getopt_unistd_h = yes; then
	682	AC_DEFINE([HAVE_DECL_GETOPT], 1,
	683	[Is the prototype for getopt in <unistd.h> in the expected format?])
	684	fi
	685
	686	GAS_CHECK_DECL_NEEDED(environ, f, char **f, $gas_test_headers)
	687	GAS_CHECK_DECL_NEEDED(ffs, f, int (*f)(int), $gas_test_headers)
	688	GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers)
	689	GAS_CHECK_DECL_NEEDED(malloc, f, char (f)(), $gas_test_headers)
	690	GAS_CHECK_DECL_NEEDED(sbrk, f, char (f)(), $gas_test_headers)
	691	GAS_CHECK_DECL_NEEDED(strstr, f, char (f)(), $gas_test_headers)
	692
	693	AC_CHECK_DECLS([vsnprintf])
	694
	695	BFD_BINARY_FOPEN
	696
	697	dnl Required for html, pdf, install-pdf and install-html targets.
	698	AC_SUBST(datarootdir)
	699	AC_SUBST(docdir)
	700	AC_SUBST(htmldir)
	701	AC_SUBST(pdfdir)
	702
	703	dnl This must come last.
	704
	705	dnl We used to make symlinks to files in the source directory, but now
	706	dnl we just use the right name for .c files, and create .h files in
	707	dnl the build directory which include the right .h file. Make sure
	708	dnl the old symlinks don't exist, so that a reconfigure in an existing
	709	dnl directory behaves reasonably.
	710
	711	AC_CONFIG_FILES(Makefile doc/Makefile po/Makefile.in:po/Make-in)
	712	AC_CONFIG_COMMANDS([default],
	713	[rm -f targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c itbl-cpu.h
	714	echo '#include "tc-'"${target_cpu_type}"'.h"' > targ-cpu.h
	715	echo '#include "obj-'"${obj_format}"'.h"' > obj-format.h
	716	echo '#include "te-'"${te_file}"'.h"' > targ-env.h
	717	echo '#include "itbl-'"${target_cpu_type}"'.h"' > itbl-cpu.h
	718	if test "x$cgen_cpu_prefix" != x ; then
	719	echo '#include "opcodes/'"${cgen_cpu_prefix}"'-desc.h"' > cgen-desc.h
	720	fi],
	721	[target_cpu_type=${target_cpu_type}
	722	cgen_cpu_prefix=${cgen_cpu_prefix}
	723	obj_format=${obj_format}
	724	te_file=${te_file}])
	725
	726	AC_OUTPUT