dnl Process this file with autoconf to produce a configure script.
AC_INIT([libgloss],[LIBGLOSS_VERSION])
AC_CONFIG_HEADER(config.h)

if test "${enable_shared}" = "yes" ; then
  AC_MSG_WARN([Shared libraries not supported for cross compiling, ignored])
fi

AC_CONFIG_AUX_DIR(..)

AC_PROG_INSTALL

AC_CANONICAL_SYSTEM
AM_INIT_AUTOMAKE([foreign no-define 1.15])

if test -z "${with_multisubdir}" ; then
  AC_CONFIG_FILES([doc/Makefile])
fi

AC_NO_EXECUTABLES

dnl indicates whether to run configure within the testsuite subdirectory
config_testsuite=true

dnl indicates whether to run configure within the libnosys subdirectory
config_libnosys=true

host_makefile_frag=${srcdir}/config/default.mh
target_makefile_frag=${srcdir}/config/default.mt

case "${target}" in
  aarch64*-*-*)
	AC_CONFIG_SUBDIRS(aarch64)
	config_testsuite=true
	;;
  arc*-*-*)
	AC_CONFIG_FILES([arc/Makefile])
	subdirs="$subdirs arc"
	;;
  csky*-*-*)
	AC_CONFIG_SUBDIRS(csky)
	;;
  epiphany-*-*)
	AC_CONFIG_FILES([epiphany/Makefile])
	subdirs="$subdirs epiphany"
	config_testsuite=true
	;;
  i[[3456]]86-*-elf* | i[[3456]]86-*-coff*)
	AC_CONFIG_SUBDIRS([i386])
	;;
  m32r-*-*)
	AC_CONFIG_FILES([m32r/Makefile])
	subdirs="$subdirs m32r"
	;;
  m68hc11-*-* | m6811-*-* | m68hc12-*-* | m6812-*-*)
	AC_CONFIG_FILES([m68hc11/Makefile])
	subdirs="$subdirs m68hc11"
	;;
  nds32*-*-*)
	AC_CONFIG_FILES([nds32/Makefile])
	subdirs="$subdirs nds32"
	;;
  fido-*-* | m68*-*-*)
	AC_CONFIG_SUBDIRS([m68k])
	;;
  hppa*-*-pro*)
	AC_CONFIG_FILES([pa/Makefile])
	subdirs="$subdirs pa"
	;;
  i960-*-coff)
	AC_CONFIG_FILES([i960/Makefile])
	subdirs="$subdirs i960"
	;;
  sparc-*leon*-elf* | sparc-*leon*-none*)
	AC_CONFIG_FILES([sparc_leon/Makefile])
	subdirs="$subdirs sparc_leon"
	;;
  sparclet-*-aout* | sparc-*-elf* | sparc64-*-elf* | sparc86x-*-* | sparclite-*-*)
	AC_CONFIG_SUBDIRS([sparc])
	;;
  sh*-*-pe | mips*-*-pe | *arm*-wince-pe)
	AC_CONFIG_SUBDIRS([wince])
	;;
  mips*-*-*)
	AC_CONFIG_SUBDIRS([mips])
	;;
  riscv*-*-*)
	AC_CONFIG_FILES([riscv/Makefile])
	subdirs="$subdirs riscv"
	;;
  powerpc-*-*|powerpcle-*-*)
	AC_CONFIG_FILES([rs6000/Makefile])
	subdirs="$subdirs rs6000"
	host_makefile_frag=${srcdir}/config/ppc.mh
	;;
  mn10200-*-*)
	AC_CONFIG_SUBDIRS([mn10200])
	;;
  mn10300-*-*)
	AC_CONFIG_SUBDIRS([mn10300])
	;;
  bfin-*-*)
	AC_CONFIG_FILES([bfin/Makefile])
	subdirs="$subdirs bfin"
	;;
  cr16-*-*)
	AC_CONFIG_FILES([cr16/Makefile])
	subdirs="$subdirs cr16"
	;;
  cris-*-* | crisv32-*-*)
	AC_CONFIG_FILES([cris/Makefile])
	subdirs="$subdirs cris"
	;;
  crx-*-*)
	AC_CONFIG_FILES([crx/Makefile])
	subdirs="$subdirs crx"
	;;
  d30v-*-*)
	AC_CONFIG_FILES([d30v/Makefile])
	subdirs="$subdirs d30v"
	;;
  fr30-*-*)
	AC_CONFIG_FILES([fr30/Makefile])
	subdirs="$subdirs fr30"
	;;
  frv*-*-*)
	AC_CONFIG_FILES([frv/Makefile])
	subdirs="$subdirs frv"
	;;
  ft32*-*-*)
	AC_CONFIG_FILES([ft32/Makefile])
	subdirs="$subdirs ft32"
	;;
  lm32*-*-*)
	AC_CONFIG_FILES([lm32/Makefile])
	subdirs="$subdirs lm32"
	;;
  mcore-*-*)
	AC_CONFIG_SUBDIRS([mcore])
	;;
  mep-*-*)
	AC_CONFIG_FILES([mep/Makefile])
	subdirs="$subdirs mep"
	;;
  moxie-*-*)
	AC_CONFIG_SUBDIRS([moxie])
	;;
  microblaze*-*-*)
	AC_CONFIG_FILES([microblaze/Makefile])
	subdirs="$subdirs microblaze"
	;;
  mt-*-*)
	AC_CONFIG_FILES([mt/Makefile])
	subdirs="$subdirs mt"
	;;
  v850*-*-*)
	AC_CONFIG_FILES([v850/Makefile])
	subdirs="$subdirs v850"
	;;
  visium-*-*)
	AC_CONFIG_FILES([visium/Makefile])
	subdirs="$subdirs visium"
	config_testsuite=false
	;;
  xc16x-*-*)
	AC_CONFIG_FILES([xc16x/Makefile])
	subdirs="$subdirs xc16x"
	target_makefile_frag=${srcdir}/config/xc16x.mt
	;;
  xstormy16-*-*)
	AC_CONFIG_FILES([xstormy16/Makefile])
	subdirs="$subdirs xstormy16"
	;;
  m32c-*-*)
	AC_CONFIG_FILES([m32c/Makefile])
	subdirs="$subdirs m32c"
	;;
  msp430-*-elf*)
	AC_CONFIG_FILES([msp430/Makefile])
	subdirs="$subdirs msp430"
	config_libnosys=false
	;;
  rl78*-*-elf)
	AC_CONFIG_FILES([rl78/Makefile])
	subdirs="$subdirs rl78"
	;;
  rx*-*-elf)
	AC_CONFIG_FILES([rx/Makefile])
	subdirs="$subdirs rx"
	;;
  arm*-*-elf | arm*-*-coff | arm*-*-*)
	AC_CONFIG_SUBDIRS([arm])
	;;
  spu-*-elf)
	AC_CONFIG_FILES([spu/Makefile])
	subdirs="$subdirs spu"
	host_makefile_frag=${srcdir}/config/ppc.mh
	config_testsuite=false
	config_libnosys=false
	;;
  tic6x-*-*)
	AC_CONFIG_FILES([tic6x/Makefile])
	subdirs="$subdirs tic6x"
	config_testsuite=false
	;;
  iq2000-*-*)
	AC_CONFIG_FILES([iq2000/Makefile])
	subdirs="$subdirs iq2000"
	;;
  or1k-*-* | or1knd-*-* )
	AC_CONFIG_FILES([or1k/Makefile])
	subdirs="$subdirs or1k"
	;;
  pru-*-*)
	AC_CONFIG_FILES([pru/Makefile])
	subdirs="$subdirs pru"
	;;
  nios2-*-*)
	AC_CONFIG_FILES([nios2/Makefile])
	subdirs="$subdirs nios2"
	;;
esac

dnl For now, don't bother configuring testsuite
dnl
dnl if test "${config_testsuite}" = "true";
dnl   then AC_CONFIG_SUBDIRS([testsuite])
dnl fi

if test "${config_libnosys}" = "true"; then
  AC_CONFIG_FILES([libnosys/Makefile])
  subdirs="$subdirs libnosys"
fi

LIB_AC_PROG_CC
AS=${AS-as}
AC_SUBST(AS)
AC_CHECK_PROG(AR, ar, ar, :)
AR=${AR-ar}
AC_SUBST(AR)
LD=${LD-ld}
AC_SUBST(LD)
AC_PROG_RANLIB
LIB_AM_PROG_AS

AC_DEFINE(HAVE_GNU_LD, 1, [Using GNU LD])

AC_CACHE_CHECK([if target is ELF], libc_cv_is_elf, [dnl
  AC_PREPROC_IFELSE([AC_LANG_PROGRAM(
[[#ifndef __ELF__
# error "not ELF"
#endif
]])], [libc_cv_is_elf=yes], [libc_cv_is_elf=no])
])
if test "x${libc_cv_is_elf}" = "xyes"; then
  AC_DEFINE(HAVE_ELF, 1, [Using ELF format])
fi

AC_CACHE_CHECK([for .previous assembler directive],
	       libc_cv_asm_previous_directive, [dnl
  libc_cv_asm_previous_directive=no
  cat > conftest.s <<EOF
.section foo_section
.previous
EOF
  if AC_TRY_COMMAND(${CC-cc} -c $CFLAGS conftest.s 1>&AC_FD_CC); then
    libc_cv_asm_previous_directive=yes
  fi
  rm -f conftest*])
if test "x${libc_cv_asm_previous_directive}" = "xyes"; then
  AC_DEFINE(HAVE_ASM_PREVIOUS_DIRECTIVE, 1, [.previous directive allowed])
fi

AC_CACHE_CHECK([for .popsection assembler directive],
	       libc_cv_asm_popsection_directive, [dnl
  libc_cv_asm_popsection_directive=no
  cat > conftest.s <<EOF
.pushsection foo_section
.popsection
EOF
  if AC_TRY_COMMAND(${CC-cc} -c $CFLAGS conftest.s 1>&AC_FD_CC); then
    libc_cv_asm_popsection_directive=yes
  fi
  rm -f conftest*])
if test "x${libc_cv_asm_popsection_directive}" = "xyes"; then
  AC_DEFINE(HAVE_ASM_POPSECTION_DIRECTIVE, 1, [.pushsection/.popsection directives allowed])
fi

AC_CACHE_CHECK([for section attributes],
	       libc_cv_section_attributes, [dnl
  libc_cv_section_attributes=no
  cat > conftest.c <<EOF
int secttest __attribute__ ((section (".gnu.warning.secttest"))) = 10;
int main() {}
EOF
  if AC_TRY_COMMAND(${CC-cc} -c $CFLAGS conftest.c 1>&AC_FD_CC); then
    libc_cv_section_attributes=yes
  fi
  rm -f conftest*])
if test "x${libc_cv_section_attributes}" = "xyes"; then
  AC_DEFINE(HAVE_SECTION_ATTRIBUTES, 1, [support for section attributes])
fi

AC_CACHE_CHECK([for symbol prefix], libc_cv_symbol_prefix, [dnl
  cat > conftest.c <<\EOF
foo () { }
EOF
dnl
  libc_cv_symbol_prefix=''
  if AC_TRY_COMMAND([${CC-cc} -S conftest.c -o - | fgrep "\$foo" > /dev/null]); then
    libc_cv_symbol_prefix='$'
  else
    if AC_TRY_COMMAND([${CC-cc} -S conftest.c -o - | fgrep "_foo" > /dev/null]); then
      libc_cv_symbol_prefix=_
    fi
  fi
  rm -f conftest* ])
AC_DEFINE_UNQUOTED(__SYMBOL_PREFIX, "$libc_cv_symbol_prefix", [symbol prefix])

m4_include([libnosys/acinclude.m4])

dnl We have to assign the same value to other variables because autoconf
dnl doesn't provide a mechanism to substitute a replacement keyword with
dnl arbitrary data or pathnames.
dnl
host_makefile_frag_path=$host_makefile_frag
AC_SUBST(host_makefile_frag_path)
AC_SUBST_FILE(host_makefile_frag)
target_makefile_frag_path=$target_makefile_frag
AC_SUBST(target_makefile_frag_path)
AC_SUBST_FILE(target_makefile_frag)

dnl AM_ENABLE_MULTILIB only processes the top-level Makefile, but we want the
dnl multilib settings to propagate to all sub-Makefiles that we recurse into
dnl too.  This can go away if we ever get rid of sub-Makefiles and only use
dnl Automake + makefile include fragments.
AC_OUTPUT_COMMANDS([
for subdir in $subdirs; do
  case " $CONFIG_FILES " in
   *" $subdir/Makefile "*)
     ac_file=$subdir/Makefile . ${multi_basedir}/config-ml.in
     ;;
  esac
done], [subdirs="$subdirs"])

AM_ENABLE_MULTILIB(, ..)

AC_CONFIG_FILES([Makefile])
AC_OUTPUT