[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
ACX_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)
	;;

      microblaze*)
        ;;

      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
	;;

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

   case ${te_file} in
      vms) extra_objects="$extra_objects te-vms.o" ;;
   esac
 
# 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 ru"
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 errno.h sys/types.h limits.h time.h sys/stat.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([mempcpy])
AC_CHECK_DECLS([vsnprintf])

BFD_BINARY_FOPEN

# Support for VMS timestamps via cross compile

if test "$ac_cv_header_time_h" = yes; then
  GAS_HAVE_TIME_TYPE_MEMBER(struct tm, tm_gmtoff)
fi

if test "$ac_cv_header_sys_stat_h" = yes; then
    GAS_HAVE_SYS_STAT_TYPE_MEMBER(struct stat, st_mtim, tv_sec)
    GAS_HAVE_SYS_STAT_TYPE_MEMBER(struct stat, st_mtim, tv_nsec)
fi


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, ${BFD_VERSION})
	23
	24	AC_PROG_CC
	25	AC_GNU_SOURCE
	26	AC_USE_SYSTEM_EXTENSIONS
	27	ACX_LARGEFILE
	28
	29	LT_INIT
	30
	31	AC_ARG_ENABLE(targets,
	32	[ --enable-targets alternative target configurations besides the primary],
	33	[case "${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 ${generic_target} is preliminary and a work in progress)
	138	;;
	139
	140	microblaze*)
	141	;;
	142
	143	mips-sony-bsd*)
	144	;;
	145	mips--bsd)
	146	AC_MSG_ERROR(Unknown vendor for mips-bsd configuration.)
	147	;;
	148
	149	changequote(,)dnl
	150	ppc--aix[5-9].)
	151	changequote([,])dnl
	152	AC_DEFINE(AIX_WEAK_SUPPORT, 1,
	153	[Define if using AIX 5.2 value for C_WEAKEXT.])
	154	;;
	155	ppc--linux-)
	156	case "$endian" in
	157	big) ;;
	158	*) AC_MSG_ERROR(GNU/Linux must be configured big endian) ;;
	159	esac
	160	;;
	161	ppc--solaris)
	162	if test ${this_target} = $target; then
	163	AC_DEFINE(TARGET_SOLARIS_COMMENT, 1,
	164	[Define if default target is PowerPC Solaris.])
	165	fi
	166	if test x${endian} = xbig; then
	167	AC_MSG_ERROR(Solaris must be configured little endian)
	168	fi
	169	;;
	170
	171	sh--symbianelf*)
	172	AC_DEFINE(TARGET_SYMBIAN, 1, [Define if target is Symbian OS.])
	173	;;
	174	esac
	175
	176	if test ${this_target} = $target ; then
	177	endian_def=
	178	if test x${endian} = xbig; then
	179	endian_def=1
	180	elif test x${endian} = xlittle; then
	181	endian_def=0
	182	fi
	183	if test x${endian_def} != x; then
	184	AC_DEFINE_UNQUOTED(TARGET_BYTES_BIG_ENDIAN, $endian_def,
	185	[Define as 1 if big endian.])
	186	fi
	187	fi
	188
	189	# Other random stuff.
	190
	191	case ${cpu_type} in
	192	mips)
	193	# Set mips_cpu to the name of the default CPU.
	194	case ${target_cpu} in
	195	mips \| mipsbe \| mipseb \| mipsle \| mipsel \| mips64 \| mips64el)
	196	mips_cpu=from-abi
	197	;;
	198	mipsisa32 \| mipsisa32el)
	199	mips_cpu=mips32
	200	;;
	201	mipsisa32r2 \| mipsisa32r2el)
	202	mips_cpu=mips32r2
	203	;;
	204	mipsisa64 \| mipsisa64el)
	205	mips_cpu=mips64
	206	;;
	207	mipsisa64r2 \| mipsisa64r2el)
	208	mips_cpu=mips64r2
	209	;;
	210	mipstx39 \| mipstx39el)
	211	mips_cpu=r3900
	212	;;
	213	mips64vr \| mips64vrel)
	214	mips_cpu=vr4100
	215	;;
	216	mipsisa32r2* \| mipsisa64r2*)
	217	changequote(,)dnl
	218	mips_cpu=`echo $target_cpu \| sed -e 's/[a-z]*..r2//' -e 's/el$//'`
	219	changequote([,])dnl
	220	;;
	221	mips64* \| mipsisa64* \| mipsisa32*)
	222	changequote(,)dnl
	223	mips_cpu=`echo $target_cpu \| sed -e 's/[a-z]*..//' -e 's/el$//'`
	224	changequote([,])dnl
	225	;;
	226	*)
	227	AC_MSG_ERROR($target_cpu isn't a supported MIPS CPU name)
	228	;;
	229	esac
	230	# See whether it's appropriate to set E_MIPS_ABI_O32 for o32
	231	# binaries. It's a GNU extension that some OSes don't understand.
	232	# The value only matters on ELF targets.
	233	case ${target} in
	234	--irix*)
	235	use_e_mips_abi_o32=0
	236	;;
	237	*)
	238	use_e_mips_abi_o32=1
	239	;;
	240	esac
	241	# Decide whether to generate 32-bit or 64-bit code by default.
	242	# Used to resolve -march=from-abi when an embedded ABI is selected.
	243	case ${target} in
	244	mips64--* \| mipsisa64--*)
	245	mips_default_64bit=1
	246	;;
	247	*)
	248	mips_default_64bit=0
	249	;;
	250	esac
	251	# Decide which ABI to target by default.
	252	case ${target} in
	253	mips64-linux \| mips-sgi-irix6*)
	254	mips_default_abi=N32_ABI
	255	;;
	256	mips-linux)
	257	mips_default_abi=O32_ABI
	258	;;
	259	mips64-openbsd)
	260	mips_default_abi=N64_ABI
	261	;;
	262	*)
	263	mips_default_abi=NO_ABI
	264	;;
	265	esac
	266	AC_DEFINE_UNQUOTED(MIPS_CPU_STRING_DEFAULT, "$mips_cpu",
	267	[Default CPU for MIPS targets. ])
	268	AC_DEFINE_UNQUOTED(USE_E_MIPS_ABI_O32, $use_e_mips_abi_o32,
	269	[Allow use of E_MIPS_ABI_O32 on MIPS targets. ])
	270	AC_DEFINE_UNQUOTED(MIPS_DEFAULT_64BIT, $mips_default_64bit,
	271	[Generate 64-bit code by default on MIPS targets. ])
	272	AC_DEFINE_UNQUOTED(MIPS_DEFAULT_ABI, $mips_default_abi,
	273	[Choose a default ABI for MIPS targets. ])
	274	;;
	275	esac
	276
	277	# Do we need the opcodes library?
	278	case ${cpu_type} in
	279	vax \| tic30)
	280	;;
	281
	282	*)
	283	need_opcodes=yes
	284
	285	case "${enable_shared}" in
	286	yes) shared_opcodes=true ;;
	287	opcodes) shared_opcodes=true ;;
	288	*) shared_opcodes=false ;;
	289	esac
	290	;;
	291	esac
	292
	293	# Any other special object files needed ?
	294	case ${cpu_type} in
	295
	296	bfin)
	297	echo ${extra_objects} \| grep -s "bfin-parse.o"
	298	if test $? -ne 0 ; then
	299	extra_objects="$extra_objects bfin-parse.o"
	300	fi
	301
	302	echo ${extra_objects} \| grep -s "bfin-lex.o"
	303	if test $? -ne 0 ; then
	304	extra_objects="$extra_objects bfin-lex.o"
	305	fi
	306	;;
	307
	308	fr30 \| ip2k \| iq2000 \| lm32 \| m32r \| openrisc)
	309	using_cgen=yes
	310	;;
	311
	312	m32c)
	313	using_cgen=yes
	314	;;
	315	frv)
	316	using_cgen=yes
	317	;;
	318	m68k)
	319	case ${extra_objects} in
	320	m68k-parse.o) ;;
	321	*) extra_objects="$extra_objects m68k-parse.o" ;;
	322	esac
	323	;;
	324
	325	mep)
	326	using_cgen=yes
	327	;;
	328
	329	mips)
	330	echo ${extra_objects} \| grep -s "itbl-parse.o"
	331	if test $? -ne 0 ; then
	332	extra_objects="$extra_objects itbl-parse.o"
	333	fi
	334
	335	echo ${extra_objects} \| grep -s "itbl-lex.o"
	336	if test $? -ne 0 ; then
	337	extra_objects="$extra_objects itbl-lex.o"
	338	fi
	339
	340	echo ${extra_objects} \| grep -s "itbl-ops.o"
	341	if test $? -ne 0 ; then
	342	extra_objects="$extra_objects itbl-ops.o"
	343	fi
	344	;;
	345
	346	mt)
	347	using_cgen=yes
	348	;;
	349
	350	i386 \| s390 \| sparc)
	351	if test $this_target = $target ; then
	352	AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
	353	fi
	354	;;
	355
	356	rx)
	357	echo ${extra_objects} \| grep -s "rx-parse.o"
	358	if test $? -ne 0 ; then
	359	extra_objects="$extra_objects rx-parse.o"
	360	fi
	361	;;
	362
	363	xstormy16)
	364	using_cgen=yes
	365	;;
	366
	367	xc16x)
	368	using_cgen=yes
	369	;;
	370
	371	xtensa)
	372	echo ${extra_objects} \| grep -s "xtensa-relax.o"
	373	if test $? -ne 0 ; then
	374	extra_objects="$extra_objects xtensa-relax.o"
	375	fi
	376	;;
	377
	378	*)
	379	;;
	380	esac
	381
	382	if test $using_cgen = yes ; then
	383	case "x${extra_objects}" in
	384	cgen.o) ;;
	385	*) extra_objects="$extra_objects cgen.o" ;;
	386	esac
	387	fi
	388
	389	# See if we really can support this configuration with the emulation code.
	390
	391	if test $this_target = $target ; then
	392	obj_format=$fmt
	393	te_file=$em
	394	fi
	395
	396	case ${te_file} in
	397	vms) extra_objects="$extra_objects te-vms.o" ;;
	398	esac
	399
	400	# From target name and format, produce a list of supported emulations.
	401
	402	case ${generic_target}-${fmt} in
	403	mips--irix5-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
	404	mips--linux-) case "$endian" in
	405	big) emulation="mipsbelf mipslelf mipself" ;;
	406	*) emulation="mipslelf mipsbelf mipself" ;;
	407	esac ;;
	408	mips--lnews-ecoff) ;;
	409	mips---ecoff) case "$endian" in
	410	big) emulation="mipsbecoff mipslecoff mipsecoff" ;;
	411	*) emulation="mipslecoff mipsbecoff mipsecoff" ;;
	412	esac ;;
	413	mips---elf) case "$endian" in
	414	big) emulation="mipsbelf mipslelf mipself" ;;
	415	*) emulation="mipslelf mipsbelf mipself" ;;
	416	esac ;;
	417	mips--sysv4MP-) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
	418	# i386-pc-pe-coff != i386-pc-coff.
	419	i386-*-pe-coff) ;;
	420	# Uncommenting the next line will turn on support for i386 AOUT
	421	# for the default linux configuration
	422	# i386--linux-elf) emulation="i386elf i386aout" ;;
	423	#
	424	i386-*-aout) emulation="i386aout" ;;
	425	i386-*-coff) emulation="i386coff" ;;
	426	i386-*-elf) emulation="i386elf" ;;
	427
	428	# Always all formats. The first stated emulation becomes the default.
	429	cris--aout*) emulation="crisaout criself" ;;
	430	cris--) emulation="criself crisaout" ;;
	431	esac
	432
	433	emulations="$emulations $emulation"
	434
	435	done
	436
	437	# Turn on all targets if possible
	438	if test ${all_targets} = "yes"; then
	439	case ${target_cpu_type} in
	440	i386)
	441	case ${obj_format} in
	442	aout)
	443	emulations="$emulations i386coff i386elf"
	444	;;
	445	coff)
	446	emulations="$emulations i386aout i386elf"
	447	;;
	448	elf)
	449	emulations="$emulations i386aout i386coff"
	450	;;
	451	esac
	452	;;
	453	x86_64)
	454	case ${obj_format} in
	455	aout)
	456	emulations="$emulations i386coff i386elf"
	457	;;
	458	coff)
	459	emulations="$emulations i386aout i386elf"
	460	;;
	461	elf)
	462	emulations="$emulations i386aout i386coff"
	463	;;
	464	esac
	465	;;
	466	esac
	467	fi
	468
	469	# Assign floating point type. Most processors with FP support
	470	# IEEE FP. On those that don't support FP at all, usually IEEE
	471	# is emulated.
	472	case ${target_cpu} in
	473	vax \| pdp11 ) atof=vax ;;
	474	*) atof=ieee ;;
	475	esac
	476
	477	case "${obj_format}" in
	478	"") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;;
	479	esac
	480
	481	# Unfortunately the cpu in cpu-opc.h file isn't always $(TARGET_CPU).
	482	cgen_cpu_prefix=""
	483	if test $using_cgen = yes ; then
	484	case ${target_cpu} in
	485	*) cgen_cpu_prefix=${target_cpu} ;;
	486	esac
	487	AC_SUBST(cgen_cpu_prefix)
	488	AC_DEFINE(USING_CGEN, 1, [Using cgen code?])
	489	fi
	490
	491	dnl
	492	dnl Make sure the desired support files exist.
	493	dnl
	494
	495	if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then
	496	AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type})
	497	fi
	498
	499	if test ! -r ${srcdir}/config/obj-${obj_format}.c; then
	500	AC_MSG_ERROR(GAS does not have support for object file format ${obj_format})
	501	fi
	502
	503	# Some COFF configurations want these random other flags set.
	504	case ${obj_format} in
	505	coff)
	506	case ${target_cpu_type} in
	507	i386) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
	508	m68k) AC_DEFINE(M68KCOFF, 1, [Using m68k COFF?]) ;;
	509	m88k) AC_DEFINE(M88KCOFF, 1, [Using m88k COFF?]) ;;
	510	x86_64) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
	511	esac
	512	;;
	513	esac
	514
	515	# Getting this done right is going to be a bitch. Each configuration specified
	516	# with --enable-targets=... should be checked for environment, format, cpu
	517	# setting.
	518	#
	519	# For each configuration, the necessary object file support code must be linked
	520	# in. This might be only one, it might be up to four. The necessary emulation
	521	# code needs to be provided, too.
	522	#
	523	# And then there's "--enable-targets=all"....
	524	#
	525	# For now, just always do it for MIPS ELF or ECOFF configurations. Sigh.
	526
	527	formats="${obj_format}"
	528	emfiles=""
	529	EMULATIONS=""
	530	GAS_UNIQ(emulations)
	531	for em in . $emulations ; do
	532	case $em in
	533	.) continue ;;
	534	mipsbelf \| mipslelf \| mipself)
	535	fmt=elf file=mipself ;;
	536	mipsbecoff \| mipslecoff \| mipsecoff)
	537	fmt=ecoff file=mipsecoff ;;
	538	*coff)
	539	fmt=coff file=$em ;;
	540	*aout)
	541	fmt=aout file=$em ;;
	542	*elf)
	543	fmt=elf file=$em ;;
	544	esac
	545	formats="$formats $fmt"
	546	emfiles="$emfiles e-$file.o"
	547	EMULATIONS="$EMULATIONS &$em,"
	548	done
	549	GAS_UNIQ(formats)
	550	GAS_UNIQ(emfiles)
	551	if test `set . $formats ; shift ; echo $#` -gt 1 ; then
	552	for fmt in $formats ; do
	553	case $fmt in
	554	aout) AC_DEFINE(OBJ_MAYBE_AOUT, 1, [a.out support?]) ;;
	555	bout) AC_DEFINE(OBJ_MAYBE_BOUT, 1, [b.out support?]) ;;
	556	coff) AC_DEFINE(OBJ_MAYBE_COFF, 1, [COFF support?]) ;;
	557	ecoff) AC_DEFINE(OBJ_MAYBE_ECOFF, 1, [ECOFF support?]) ;;
	558	elf) AC_DEFINE(OBJ_MAYBE_ELF, 1, [ELF support?]) ;;
	559	generic) AC_DEFINE(OBJ_MAYBE_GENERIC, 1, [generic support?]) ;;
	560	som) AC_DEFINE(OBJ_MAYBE_SOM, 1, [SOM support?]) ;;
	561	esac
	562	extra_objects="$extra_objects obj-$fmt.o"
	563	done
	564	obj_format=multi
	565	fi
	566	if test `set . $emfiles ; shift ; echo $#` -gt 0 ; then
	567	DEFAULT_EMULATION=`set . $emulations ; echo $2`
	568	# e-mips* has more than one emulation per file, e-i386* has just one at the
	569	# moment. If only one emulation is specified, then don't define
	570	# USE_EMULATIONS or include any of the e-files as they will only be bloat.
	571	case "${obj_format}${emfiles}" in
	572	multi* \| mips)
	573	extra_objects="$extra_objects $emfiles"
	574	AC_DEFINE(USE_EMULATIONS, 1, [Use emulation support?]) ;;
	575	esac
	576	fi
	577	AC_SUBST(extra_objects)
	578	AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS, [Supported emulations.])
	579	AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION",
	580	[Default emulation.])
	581
	582	reject_dev_configs=yes
	583
	584	case ${reject_dev_configs}-${dev} in
	585	yes-yes) # Oops.
	586	AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.)
	587	;;
	588	esac
	589
	590	AC_SUBST(target_cpu_type)
	591	AC_SUBST(obj_format)
	592	AC_SUBST(te_file)
	593	AC_SUBST(install_tooldir)
	594	AC_SUBST(atof)
	595	dnl AC_SUBST(emulation)
	596
	597	# do we need the opcodes library?
	598	case "${need_opcodes}" in
	599	yes)
	600	OPCODES_LIB=../opcodes/libopcodes.la
	601	;;
	602	esac
	603
	604	AC_SUBST(OPCODES_LIB)
	605
	606	AC_DEFINE_UNQUOTED(TARGET_ALIAS, "${target_alias}", [Target alias.])
	607	AC_DEFINE_UNQUOTED(TARGET_CANONICAL, "${target}", [Canonical target.])
	608	AC_DEFINE_UNQUOTED(TARGET_CPU, "${target_cpu}", [Target CPU.])
	609	AC_DEFINE_UNQUOTED(TARGET_VENDOR, "${target_vendor}", [Target vendor.])
	610	AC_DEFINE_UNQUOTED(TARGET_OS, "${target_os}", [Target OS.])
	611
	612	AC_PROG_YACC
	613	AM_PROG_LEX
	614
	615	ALL_LINGUAS="fr tr es rw id ru"
	616	ZW_GNU_GETTEXT_SISTER_DIR
	617	AM_PO_SUBDIRS
	618
	619	AM_MAINTAINER_MODE
	620	AM_CONDITIONAL(GENINSRC_NEVER, false)
	621	AC_EXEEXT
	622
	623	AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h errno.h sys/types.h limits.h time.h sys/stat.h)
	624
	625	# Put this here so that autoconf's "cross-compiling" message doesn't confuse
	626	# people who are not cross-compiling but are compiling cross-assemblers.
	627	AC_MSG_CHECKING(whether compiling a cross-assembler)
	628	if test "${host}" = "${target}"; then
	629	cross_gas=no
	630	else
	631	cross_gas=yes
	632	AC_DEFINE(CROSS_COMPILE, 1, [Compiling cross-assembler?])
	633	fi
	634	AC_MSG_RESULT($cross_gas)
	635
	636	dnl ansidecl.h will deal with const
	637	dnl AC_C_CONST
	638	AC_FUNC_ALLOCA
	639	AC_C_INLINE
	640
	641	# VMS doesn't have unlink.
	642	AC_CHECK_FUNCS(unlink remove, break)
	643
	644	# Some systems don't have sbrk().
	645	AC_CHECK_FUNCS(sbrk)
	646
	647	# do we need the math library?
	648	case "${need_libm}" in
	649	yes)
	650	LT_LIB_M
	651	AC_SUBST(LIBM)
	652	;;
	653	esac
	654
	655	# Some non-ANSI preprocessors botch requoting inside strings. That's bad
	656	# enough, but on some of those systems, the assert macro relies on requoting
	657	# working properly!
	658	GAS_WORKING_ASSERT
	659
	660	# On some systems, the system header files may not declare malloc, realloc,
	661	# and free. There are places where gas needs these functions to have been
	662	# declared -- such as when taking their addresses.
	663	gas_test_headers="
	664	#ifdef HAVE_MEMORY_H
	665	#include <memory.h>
	666	#endif
	667	#ifdef HAVE_STRING_H
	668	#include <string.h>
	669	#else
	670	#ifdef HAVE_STRINGS_H
	671	#include <strings.h>
	672	#endif
	673	#endif
	674	#ifdef HAVE_STDLIB_H
	675	#include <stdlib.h>
	676	#endif
	677	#ifdef HAVE_UNISTD_H
	678	#include <unistd.h>
	679	#endif
	680	"
	681
	682	# Does errno.h declare errno, or do we have to add a separate declaration
	683	# for it?
	684	GAS_CHECK_DECL_NEEDED(errno, f, int f, [
	685	#ifdef HAVE_ERRNO_H
	686	#include <errno.h>
	687	#endif
	688	])
	689
	690	AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
	691	AC_CACHE_VAL(gas_cv_decl_getopt_unistd_h,
	692	[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <unistd.h>], [extern int getopt (int, char const, const char *);])],
	693	gas_cv_decl_getopt_unistd_h=yes, gas_cv_decl_getopt_unistd_h=no)])
	694	AC_MSG_RESULT($gas_cv_decl_getopt_unistd_h)
	695	if test $gas_cv_decl_getopt_unistd_h = yes; then
	696	AC_DEFINE([HAVE_DECL_GETOPT], 1,
	697	[Is the prototype for getopt in <unistd.h> in the expected format?])
	698	fi
	699
	700	GAS_CHECK_DECL_NEEDED(environ, f, char **f, $gas_test_headers)
	701	GAS_CHECK_DECL_NEEDED(ffs, f, int (*f)(int), $gas_test_headers)
	702	GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers)
	703	GAS_CHECK_DECL_NEEDED(malloc, f, char (f)(), $gas_test_headers)
	704	GAS_CHECK_DECL_NEEDED(sbrk, f, char (f)(), $gas_test_headers)
	705	GAS_CHECK_DECL_NEEDED(strstr, f, char (f)(), $gas_test_headers)
	706
	707	AC_CHECK_DECLS([mempcpy])
	708	AC_CHECK_DECLS([vsnprintf])
	709
	710	BFD_BINARY_FOPEN
	711
	712	# Support for VMS timestamps via cross compile
	713
	714	if test "$ac_cv_header_time_h" = yes; then
	715	GAS_HAVE_TIME_TYPE_MEMBER(struct tm, tm_gmtoff)
	716	fi
	717
	718	if test "$ac_cv_header_sys_stat_h" = yes; then
	719	GAS_HAVE_SYS_STAT_TYPE_MEMBER(struct stat, st_mtim, tv_sec)
	720	GAS_HAVE_SYS_STAT_TYPE_MEMBER(struct stat, st_mtim, tv_nsec)
	721	fi
	722
	723
	724	dnl Required for html, pdf, install-pdf and install-html targets.
	725	AC_SUBST(datarootdir)
	726	AC_SUBST(docdir)
	727	AC_SUBST(htmldir)
	728	AC_SUBST(pdfdir)
	729
	730	dnl This must come last.
	731
	732	dnl We used to make symlinks to files in the source directory, but now
	733	dnl we just use the right name for .c files, and create .h files in
	734	dnl the build directory which include the right .h file. Make sure
	735	dnl the old symlinks don't exist, so that a reconfigure in an existing
	736	dnl directory behaves reasonably.
	737
	738	AC_CONFIG_FILES(Makefile doc/Makefile po/Makefile.in:po/Make-in)
	739	AC_CONFIG_COMMANDS([default],
	740	[rm -f targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c itbl-cpu.h
	741	echo '#include "tc-'"${target_cpu_type}"'.h"' > targ-cpu.h
	742	echo '#include "obj-'"${obj_format}"'.h"' > obj-format.h
	743	echo '#include "te-'"${te_file}"'.h"' > targ-env.h
	744	echo '#include "itbl-'"${target_cpu_type}"'.h"' > itbl-cpu.h
	745	if test "x$cgen_cpu_prefix" != x ; then
	746	echo '#include "opcodes/'"${cgen_cpu_prefix}"'-desc.h"' > cgen-desc.h
	747	fi],
	748	[target_cpu_type=${target_cpu_type}
	749	cgen_cpu_prefix=${cgen_cpu_prefix}
	750	obj_format=${obj_format}
	751	te_file=${te_file}])
	752
	753	AC_OUTPUT