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dnl This is the newlib/libc configure.in file.

dnl Process this file with autoconf to produce a configure script.

AC_PREREQ(2.59)

AC_INIT([newlib],[NEWLIB_VERSION])

AC_CONFIG_SRCDIR([sys.tex])

dnl Can't be done in NEWLIB_CONFIGURE because that confuses automake.

AC_CONFIG_AUX_DIR(../..)

dnl Support --enable-newlib-io-pos-args used by libc/stdio

AC_ARG_ENABLE(newlib-io-pos-args,

[  --enable-newlib-io-pos-args enable printf-family positional arg support],

[case "${enableval}" in

  yes) newlib_io_pos_args=yes ;;

  no)  newlib_io_pos_args=no ;;

  *)   AC_MSG_ERROR(bad value ${enableval} for newlib-io-pos-args option) ;;

 esac], [newlib_io_pos_args=no])dnl

NEWLIB_CONFIGURE(..)

dnl We have to enable libtool after NEWLIB_CONFIGURE because if we try and

dnl add it into NEWLIB_CONFIGURE, executable tests are made before the first

dnl line of the macro which fail because appropriate LDFLAGS are not set.

_LT_DECL_SED

if test "${use_libtool}" = "yes"; then

AC_LIBTOOL_WIN32_DLL

AM_PROG_LIBTOOL

fi

AC_CONFIG_SUBDIRS(machine sys)

CRT0=

if test "x${have_crt0}" = "xyes"; then

  CRT0=crt0.o

fi

AC_SUBST(CRT0)

dnl For each directory which we may or may not want, we define a name

dnl for the library and an automake conditional for whether we should

dnl build the library.

LIBC_POSIX_LIB=

if test -n "${posix_dir}"; then

  if test "${use_libtool}" = "yes"; then

    LIBC_POSIX_LIB=${posix_dir}/lib${posix_dir}.${aext}

  else

    LIBC_POSIX_LIB=${posix_dir}/lib.${aext}

  fi

fi

AC_SUBST(LIBC_POSIX_LIB)

AM_CONDITIONAL(HAVE_POSIX_DIR, test x${posix_dir} != x)

LIBC_SIGNAL_LIB=

LIBC_SIGNAL_DEF=

if test -n "${signal_dir}"; then

  if test "${use_libtool}" = "yes"; then

    LIBC_SIGNAL_LIB=${signal_dir}/lib${signal_dir}.${aext}

  else

    LIBC_SIGNAL_LIB=${signal_dir}/lib.${aext}

  fi

  LIBC_SIGNAL_DEF=${signal_dir}/stmp-def

fi

AC_SUBST(LIBC_SIGNAL_LIB)

AC_SUBST(LIBC_SIGNAL_DEF)

AM_CONDITIONAL(HAVE_SIGNAL_DIR, test x${signal_dir} != x)

LIBC_STDIO_LIB=

LIBC_STDIO_DEF=

if test -n "${stdio_dir}"; then

  if test "${use_libtool}" = "yes"; then

    LIBC_STDIO_LIB=${stdio_dir}/lib${stdio_dir}.${aext}

  else

    LIBC_STDIO_LIB=${stdio_dir}/lib.${aext}

  fi

  LIBC_STDIO_DEF=${stdio_dir}/stmp-def

fi

AC_SUBST(LIBC_STDIO_LIB)

AC_SUBST(LIBC_STDIO_DEF)

AM_CONDITIONAL(HAVE_STDIO_DIR, test x${stdio_dir} != x)

LIBC_STDIO64_LIB=

LIBC_STDIO64_DEF=

if test -n "${stdio64_dir}"; then

  if test "${use_libtool}" = "yes"; then

    LIBC_STDIO64_LIB=${stdio64_dir}/lib${stdio64_dir}.${aext}

  else

    LIBC_STDIO64_LIB=${stdio64_dir}/lib.${aext}

  fi

  LIBC_STDIO64_DEF=${stdio64_dir}/stmp-def

fi

AC_SUBST(LIBC_STDIO64_LIB)

AC_SUBST(LIBC_STDIO64_DEF)

AM_CONDITIONAL(HAVE_STDIO64_DIR, test x${stdio64_dir} != x)

LIBC_SYSCALL_LIB=

if test -n "${syscall_dir}"; then

  if test "${use_libtool}" = "yes"; then

    LIBC_SYSCALL_LIB=${syscall_dir}/lib${syscall_dir}.${aext}

  else

    LIBC_SYSCALL_LIB=${syscall_dir}/lib.${aext}

  fi

fi

AC_SUBST(LIBC_SYSCALL_LIB)

AM_CONDITIONAL(HAVE_SYSCALL_DIR, test x${syscall_dir} != x)

LIBC_UNIX_LIB=

if test -n "${unix_dir}"; then

  if test "${use_libtool}" = "yes"; then

    LIBC_UNIX_LIB=${unix_dir}/lib${unix_dir}.${aext}

  else

    LIBC_UNIX_LIB=${unix_dir}/lib.${aext}

  fi

fi

AC_SUBST(LIBC_UNIX_LIB)

AM_CONDITIONAL(HAVE_UNIX_DIR, test x${unix_dir} != x)

LIBC_EXTRA_LIB=

LIBC_EXTRA_DEF=

extra_dir=

AC_SUBST(LIBC_EXTRA_LIB)

AC_SUBST(LIBC_EXTRA_DEF)

AC_SUBST(extra_dir)

dnl We always recur into sys and machine, and let them decide what to

dnl do.  However, we do need to know whether they will produce a library.

LIBC_SYS_LIB=

if test -n "${sys_dir}"; then

  if test "${use_libtool}" = "yes"; then

    LIBC_SYS_LIB=sys/${sys_dir}/lib${sys_dir}.${aext}

  else

    LIBC_SYS_LIB=sys/lib.${aext}

  fi

fi

AC_SUBST(LIBC_SYS_LIB)

AC_SUBST(sys_dir)

dnl Autoconf 2.59 doesn't support the AC_TYPE_LONG_DOUBLE macro. Instead of:

dnl   AC_TYPE_LONG_DOUBLE

dnl   AM_CONDITIONAL(HAVE_LONG_DOUBLE, test x"$ac_cv_type_long_double" = x"yes")

dnl we specify our own long double test.

AC_CACHE_CHECK([Checking long double support], [acnewlib_cv_type_long_double],[dnl

cat > conftest.c <

int main() {

long double x = 0.0L;

return 0;

}

EOF

if AC_TRY_COMMAND([${CC} $CFLAGS $CPPFLAGS -c conftest.c 1>&AS_MESSAGE_LOG_FD])

then

  acnewlib_cv_type_long_double=yes

else

  acnewlib_cv_type_long_double=no

fi

rm -f conftest*])

AM_CONDITIONAL(HAVE_LONG_DOUBLE, test x"$acnewlib_cv_type_long_double" = x"yes")

dnl iconv library will be compiled if --enable-newlib-iconv option is enabled

AM_CONDITIONAL(ENABLE_NEWLIB_ICONV, test x${newlib_iconv} != x)

if test -n "${machine_dir}"; then

  if test "${use_libtool}" = "yes"; then

    LIBC_MACHINE_LIB=machine/${machine_dir}/lib${machine_dir}.${aext}

  else

    LIBC_MACHINE_LIB=machine/lib.${aext}

  fi

fi

AC_SUBST(LIBC_MACHINE_LIB)

AC_SUBST(machine_dir)

AC_CONFIG_FILES([Makefile argz/Makefile ctype/Makefile errno/Makefile locale/Makefile misc/Makefile reent/Makefile search/Makefile stdio/Makefile stdio64/Makefile stdlib/Makefile string/Makefile time/Makefile posix/Makefile signal/Makefile syscalls/Makefile unix/Makefile iconv/Makefile iconv/ces/Makefile iconv/ccs/Makefile iconv/ccs/binary/Makefile iconv/lib/Makefile])

AC_OUTPUT