Subversion Repositories open8_urisc

dnl Process this file with autoconf to produce a configure script

dnl

AC_PREREQ(2.59)

AC_INIT

AC_CONFIG_SRCDIR(ldmain.c)

AC_CANONICAL_TARGET

AC_CANONICAL_BUILD

AC_ISC_POSIX

changequote(,)dnl

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

changequote([,])dnl

AM_INIT_AUTOMAKE(ld, ${BFD_VERSION})

AM_MAINTAINER_MODE

AC_ARG_WITH(lib-path, [  --with-lib-path=dir1:dir2...  set default LIB_PATH],LIB_PATH=$withval)

AC_ARG_ENABLE(targets,

[  --enable-targets        alternative target configurations],

[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_ARG_ENABLE(64-bit-bfd,

[  --enable-64-bit-bfd     64-bit support (on hosts with narrower word sizes)],

[case "${enableval}" in

  yes)  want64=true  ;;

  no)   want64=false ;;

  *)    AC_MSG_ERROR(bad value ${enableval} for 64-bit-bfd option) ;;

esac],[want64=false])dnl

AC_ARG_WITH(sysroot,

[  --with-sysroot[=DIR] Search for usr/lib et al within DIR.],

[

 case ${with_sysroot} in

 yes) TARGET_SYSTEM_ROOT='${exec_prefix}/${target_alias}/sys-root' ;;

 *) TARGET_SYSTEM_ROOT=$with_sysroot ;;

 esac

 TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"$(TARGET_SYSTEM_ROOT)\"'

 use_sysroot=yes

 if test "x$prefix" = xNONE; then

  test_prefix=/usr/local

 else

  test_prefix=$prefix

 fi

 if test "x$exec_prefix" = xNONE; then

  test_exec_prefix=$test_prefix

 else

  test_exec_prefix=$exec_prefix

 fi

 case ${TARGET_SYSTEM_ROOT} in

 "${test_prefix}"|"${test_prefix}/"*|\

 "${test_exec_prefix}"|"${test_exec_prefix}/"*|\

 '${prefix}'|'${prefix}/'*|\

 '${exec_prefix}'|'${exec_prefix}/'*)

   t="$TARGET_SYSTEM_ROOT_DEFINE -DTARGET_SYSTEM_ROOT_RELOCATABLE"

   TARGET_SYSTEM_ROOT_DEFINE="$t"

   ;;

 esac

], [

 use_sysroot=no

 TARGET_SYSTEM_ROOT=

 TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"\"'

])

AC_SUBST(use_sysroot)

AC_SUBST(TARGET_SYSTEM_ROOT)

AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE)

dnl Use --enable-gold to decide if this linker should be the default.

dnl "install_as_default" is set to false if gold is the default linker.

dnl "installed_linker" is the installed BFD linker name.

AC_ARG_ENABLE(gold,

[[  --enable-gold[=ARG]     build gold [ARG={default,yes,no}]]],

[case "${enableval}" in

 default)

   install_as_default=no

   installed_linker=ld.bfd

   ;;

 yes|no)

   install_as_default=yes

   installed_linker=ld.bfd

   ;;

 *)

   AC_MSG_ERROR([invalid --enable-gold argument])

   ;;

 esac],

[install_as_default=yes

 installed_linker=ld.bfd])

AC_SUBST(install_as_default)

AC_SUBST(installed_linker)

AC_ARG_ENABLE([got],

AS_HELP_STRING([--enable-got=],

               [GOT handling scheme (target, single, negative, multigot)]),

[case "${enableval}" in

  target | single | negative | multigot)  got_handling=$enableval ;;

  *)  AC_MSG_ERROR(bad value ${enableval} for --enable-got option) ;;

esac],

[got_handling=target])

case "${got_handling}" in

  target)

    AC_DEFINE([GOT_HANDLING_DEFAULT], [GOT_HANDLING_TARGET_DEFAULT],

              [Define to choose default GOT handling scheme]) ;;

  single)

    AC_DEFINE([GOT_HANDLING_DEFAULT], [GOT_HANDLING_SINGLE],

              [Define to choose default GOT handling scheme]) ;;

  negative)

    AC_DEFINE([GOT_HANDLING_DEFAULT], [GOT_HANDLING_NEGATIVE],

              [Define to choose default GOT handling scheme]) ;;

  multigot)

    AC_DEFINE([GOT_HANDLING_DEFAULT], [GOT_HANDLING_MULTIGOT],

              [Define to choose default GOT handling scheme]) ;;

  *)  AC_MSG_ERROR(bad value ${got_handling} for --enable-got option) ;;

esac

AM_BINUTILS_WARNINGS

AC_CONFIG_HEADERS([config.h:config.in])

if test -z "$target" ; then

    AC_MSG_ERROR(Unrecognized target system type; please check config.sub.)

fi

if test -z "$host" ; then

    AC_MSG_ERROR(Unrecognized host system type; please check config.sub.)

fi

# host-specific stuff:

AC_PROG_CC

AC_PROG_CXX

AC_GNU_SOURCE

AC_USE_SYSTEM_EXTENSIONS

ACX_LARGEFILE

AC_PROG_INSTALL

LT_INIT

ALL_LINGUAS="fr sv tr es da vi zh_CN zh_TW ga fi id bg"

ZW_GNU_GETTEXT_SISTER_DIR

AM_PO_SUBDIRS

AC_EXEEXT

AC_PROG_YACC

AM_PROG_LEX

AM_MAINTAINER_MODE

AM_CONDITIONAL(GENINSRC_NEVER, false)

ACX_PROG_CMP_IGNORE_INITIAL

. ${srcdir}/configure.host

AC_SUBST(HDEFINES)

AC_SUBST(HOSTING_CRT0)

AC_SUBST(HOSTING_LIBS)

AC_SUBST(NATIVE_LIB_DIRS)

AC_CHECK_HEADERS(string.h strings.h stdlib.h unistd.h elf-hints.h limits.h sys/param.h)

AC_CHECK_HEADERS(fcntl.h sys/file.h sys/time.h sys/stat.h)

AC_CHECK_FUNCS(glob mkstemp realpath sbrk waitpid)

AC_CHECK_FUNCS(open lseek close)

AC_HEADER_DIRENT

# Check for dlopen support and enable plugins if possible.

enable_plugins=yes

AC_CHECK_HEADER([dlfcn.h],[],[enable_plugins=no],[AC_INCLUDES_DEFAULT])

AC_SEARCH_LIBS([dlopen],[dl],[],[enable_plugins=no],[])

AC_CHECK_FUNCS([dlopen dlsym dlclose],[],[enable_plugins=no])

# We also support plugins on Windows (MinGW).

if test x$enable_plugins = xno ; then

  AC_CHECK_HEADERS([windows.h],[enable_plugins=yes],[],[AC_INCLUDES_DEFAULT])

fi

AM_CONDITIONAL([ENABLE_PLUGINS], [test x$enable_plugins = xyes])

AC_ARG_ENABLE(initfini-array,

        [  --enable-initfini-array      use .init_array/.fini_array sections],

        [], [

AC_CACHE_CHECK(for .preinit_array/.init_array/.fini_array support,

                 gcc_cv_initfini_array, [dnl

  if test "x${build}" = "x${target}" ; then

    AC_RUN_IFELSE([AC_LANG_SOURCE([

static int x = -1;

int main (void) { return x; }

int foo (void) { x = 0; }

int (*fp) (void) __attribute__ ((section (".init_array"))) = foo;])],

             [gcc_cv_initfini_array=yes], [gcc_cv_initfini_array=no],

             [gcc_cv_initfini_array=no])

   else

     gcc_cv_initfini_array=no

   fi])

  enable_initfini_array=$gcc_cv_initfini_array

])

AC_SUBST(enable_initfini_array)

if test $enable_initfini_array = yes; then

  AC_DEFINE(HAVE_INITFINI_ARRAY, 1,

    [Define .init_array/.fini_array sections are available and working.])

fi

AC_MSG_CHECKING(for a known getopt prototype in unistd.h)

AC_CACHE_VAL(ld_cv_decl_getopt_unistd_h,

[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include ], [extern int getopt (int, char *const*, const char *);])],

ld_cv_decl_getopt_unistd_h=yes, ld_cv_decl_getopt_unistd_h=no)])

AC_MSG_RESULT($ld_cv_decl_getopt_unistd_h)

if test $ld_cv_decl_getopt_unistd_h = yes; then

  AC_DEFINE([HAVE_DECL_GETOPT], 1,

            [Is the prototype for getopt in  in the expected format?])

fi

BFD_BINARY_FOPEN

AC_CHECK_DECLS([strstr, free, sbrk, getenv, environ])

# Link in zlib if we can.  This is needed only for the bootstrap tests

# right now, since those tests use libbfd, which depends on zlib.

AC_SEARCH_LIBS(zlibVersion, z, [AC_CHECK_HEADERS(zlib.h)])

# When converting linker scripts into strings for use in emulation

# files, use astring.sed if the compiler supports ANSI string

# concatenation, or ostring.sed otherwise.  This is to support the

# broken Microsoft MSVC compiler, which limits the length of string

# constants, while still supporting pre-ANSI compilers which do not

# support string concatenation.

AC_MSG_CHECKING([whether ANSI C string concatenation works])

AC_CACHE_VAL(ld_cv_string_concatenation,

[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [char *a = "a" "a";])],

  ld_cv_string_concatenation=yes,

  ld_cv_string_concatenation=no)])

AC_MSG_RESULT($ld_cv_string_concatenation)

if test "$ld_cv_string_concatenation" = "yes"; then

  STRINGIFY=astring.sed

else

  STRINGIFY=ostring.sed

fi

AC_SUBST(STRINGIFY)

# target-specific stuff:

all_targets=

EMUL=

all_emuls=

all_emul_extras=

all_libpath=

dnl We need to get an arbitrary number of tdir definitions into

dnl Makefile.  We can't do it using AC_SUBST, because autoconf does

dnl not permit literal newlines in an AC_SUBST variables.  So we use a

dnl file.

rm -f tdirs

for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'`

do

  if test "$targ_alias" = "all"; then

    all_targets=true

  else

    # Canonicalize the secondary target names.

    result=`$ac_config_sub $targ_alias 2>/dev/null`

    if test -n "$result"; then

        targ=$result

    else

        targ=$targ_alias

    fi

    . ${srcdir}/configure.tgt

    if test "$targ" = "$target"; then

      EMUL=$targ_emul

    fi

    if test x${want64} = xfalse; then

      . ${srcdir}/../bfd/config.bfd

    fi

    if test x${want64} = xtrue; then

      targ_extra_emuls="$targ_extra_emuls $targ64_extra_emuls"

      targ_extra_libpath="$targ_extra_libpath $targ64_extra_libpath"

    fi

    for i in $targ_emul $targ_extra_emuls $targ_extra_libpath; do

        case " $all_emuls " in

        *" e${i}.o "*) ;;

        *)

          all_emuls="$all_emuls e${i}.o"

          eval result=\$tdir_$i

          test -z "$result" && result=$targ_alias

          echo tdir_$i=$result >> tdirs

          ;;

        esac

    done

    for i in $targ_emul $targ_extra_libpath; do

        case " $all_libpath " in

        *" ${i} "*) ;;

        *)

          if test -z "$all_libpath"; then

            all_libpath=${i}

          else

            all_libpath="$all_libpath ${i}"

          fi

          ;;

        esac

    done

    for i in $targ_extra_ofiles; do

        case " $all_emul_extras " in

        *" ${i} "*) ;;

        *)

          all_emul_extras="$all_emul_extras ${i}"

          ;;

        esac

    done

  fi

done

AC_SUBST(EMUL)

TDIRS=tdirs

AC_SUBST_FILE(TDIRS)

if test x${all_targets} = xtrue; then

  if test x${want64} = xfalse; then

    AC_CHECK_SIZEOF(long)

    if test "x${ac_cv_sizeof_long}" = "x8"; then

      want64=true

    fi

  fi

  if test x${want64} = xtrue; then

    EMULATION_OFILES='$(ALL_EMULATIONS) $(ALL_64_EMULATIONS)'

  else

    EMULATION_OFILES='$(ALL_EMULATIONS)'

  fi

  EMUL_EXTRA_OFILES='$(ALL_EMUL_EXTRA_OFILES)'

else

  EMULATION_OFILES=$all_emuls

  EMUL_EXTRA_OFILES=$all_emul_extras

fi

AC_SUBST(EMULATION_OFILES)

AC_SUBST(EMUL_EXTRA_OFILES)

AC_SUBST(LIB_PATH)

EMULATION_LIBPATH=$all_libpath

AC_SUBST(EMULATION_LIBPATH)

if test x${enable_static} = xno; then

  TESTBFDLIB="--rpath ../bfd/.libs ../bfd/.libs/libbfd.so"

else

  TESTBFDLIB="../bfd/.libs/libbfd.a"

fi

AC_SUBST(TESTBFDLIB)

target_vendor=${target_vendor=$host_vendor}

case "$target_vendor" in

  hp) EXTRA_SHLIB_EXTENSION=".sl" ;;

  *)  EXTRA_SHLIB_EXTENSION= ;;

esac

case "$target_os" in

  lynxos) EXTRA_SHLIB_EXTENSION=".a" ;;

esac

if test x${EXTRA_SHLIB_EXTENSION} != x ; then

  AC_DEFINE_UNQUOTED(EXTRA_SHLIB_EXTENSION, "$EXTRA_SHLIB_EXTENSION",

   [Additional extension a shared object might have.])

fi

dnl Required by html, pdf, install-pdf and install-html

AC_SUBST(datarootdir)

AC_SUBST(docdir)

AC_SUBST(htmldir)

AC_SUBST(pdfdir)

AC_CONFIG_FILES(Makefile po/Makefile.in:po/Make-in)

AC_OUTPUT