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dnl These modifications are to allow for an empty cross compiler tree.
dnl In the situation that cross-linking is impossible, the variable
dnl `cross_linkable' will be substituted with "yes".
dnl
AC_DEFUN([hurd_MIG_RETCODE], [dnl
# See if mig groks `retcode'.
AC_CACHE_CHECK(whether $MIG supports the retcode keyword, hurd_cv_mig_retcode,
[cat > conftest.defs <<\EOF
#include <mach/std_types.defs>
#include <mach/mach_types.defs>
subsystem foobar 1000;
type reply_port_t = polymorphic | MACH_MSG_TYPE_PORT_SEND_ONCE
ctype: mach_port_t;
simpleroutine foobar_reply (
reply_port: reply_port_t;
err: kern_return_t, RetCode);
EOF
if AC_TRY_COMMAND([CC="${CC}" ${MIG-false} -n conftest.defs 1>&AS_MESSAGE_LOG_FD()]); then
hurd_cv_mig_retcode=yes
else
hurd_cv_mig_retcode=no
fi
rm -f conftest*])
if test $hurd_cv_mig_retcode = yes; then
AC_DEFINE(HAVE_MIG_RETCODE)
fi])
dnl The following check is based on a similar check in GNU inetutils 1.4.0.
dnl
dnl hurd_LIB_NCURSESW -- check for, and configure, ncursesw
dnl
dnl If libncursesw is found to exist on this system and the --disable-ncursesw
dnl flag wasn't specified, defines LIBNCURSESW with the appropriate linker
dnl specification, and possibly defines NCURSESW_INCLUDE with the appropriate
dnl -I flag to get access to ncursesw include files.
dnl
AC_DEFUN([hurd_LIB_NCURSESW], [
AC_ARG_ENABLE(ncursesw, [ --disable-ncursesw Do not use ncursesw],
, enable_ncursesw=yes)
if test "$enable_ncursesw" = yes; then
AC_CHECK_LIB(ncursesw, initscr, LIBNCURSESW="-lncursesw")
if test "$LIBNCURSESW"; then
AC_ARG_WITH(ncursesw-include-dir,
[ --with-ncursesw-include-dir=DIR
Set directory containing the include files for
use with -lncursesw, when it isn't installed as
the default curses library. If DIR is "none",
then no special ncursesw include files are used.
--without-ncursesw-include-dir
Equivalent to --with-ncursesw-include-dir=none])dnl
if test "${with_ncursesw_include_dir+set}" = set; then
AC_MSG_CHECKING(for ncursesw include dir)
case "$with_ncursesw_include_dir" in
no|none)
hurd_cv_includedir_ncursesw=none;;
*)
hurd_cv_includedir_ncursesw="$with_ncursesw_include_dir";;
esac
AC_MSG_RESULT($hurd_cv_includedir_ncursesw)
else
AC_CACHE_CHECK(for ncursesw include dir,
hurd_cv_includedir_ncursesw,
for D in $includedir $prefix/include /local/include /usr/local/include /include /usr/include; do
if test -d $D/ncursesw; then
hurd_cv_includedir_ncursesw="$D/ncursesw"
break
fi
test "$hurd_cv_includedir_ncursesw" \
|| hurd_cv_includedir_ncursesw=none
done)
fi
if test "$hurd_cv_includedir_ncursesw" = none; then
NCURSESW_INCLUDE=""
else
NCURSESW_INCLUDE="-I$hurd_cv_includedir_ncursesw"
fi
fi
fi
AC_SUBST(NCURSESW_INCLUDE)
AC_SUBST(LIBNCURSESW)])dnl
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