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## HACK: Work-around to structural issue with RTEMS
## The macros below violate most autoconf and canonicalization standards
AC_DEFUN([RTEMS_CONFIG_BUILD_SUBDIRS],
[AC_REQUIRE([_RTEMS_OUTPUT_BUILD_SUBDIRS])
RTEMS_BUILD_SUBDIRS="$RTEMS_BUILD_SUBDIRS [$1]"
])
dnl Derived from automake-1.4's AC_OUTPUT_SUBDIRS
AC_DEFUN([_RTEMS_OUTPUT_BUILD_SUBDIRS],
[AC_CONFIG_COMMANDS([bsp-tools],
[
# HACK: This is a blantant hack and breaks Canadian crosses
build_alias="$build_alias"
host_alias="$build_alias"
if test "$no_recursion" != yes; then
if test x"$build_alias" != x"$host_alias"; then
target_subdir="$host_alias"
else
target_subdir="."
fi
RTEMS_CONFIGURE_ARGS_QUOTE([ac_sub_configure_args],
[
-host* | --host* ) ;;
--host ) ac_prev=host_alias;;
-target* | --target* ) ;;
-target ) ac_prev=target_alias ;;
-build* | --build* ) ;;
-build ) ac_prev_build_alias ;;
CFLAGS=* );; # HACK: Strip CFLAGS
*_alias=* ) ;; # HACK: Workaround to autoconf passing *_alias
],
[rtems_configure_args])
for rtems_config_dir in : $RTEMS_BUILD_SUBDIRS; do test "x$rtems_config_dir" = x: && continue
# Do not complain, so a configure script can configure whichever
# parts of a large source tree are present.
if test ! -d $srcdir/$rtems_config_dir; then
continue
fi
_RTEMS_PUSH_BUILDDIR([$rtems_config_dir])
_RTEMS_SUB_SRCDIR([$rtems_config_dir])
# The recursion is here.
if test -n "$ac_sub_configure"; then
# ac_sub_cache_file=./config.cache
ac_sub_cache_file=/dev/null
_RTEMS_GIVEN_INSTALL
echo "[running ${CONFIG_SHELL-/bin/sh} $ac_sub_configure $ac_sub_configure_args --cache-file=$ac_sub_cache_file] --srcdir=$ac_sub_srcdir"
# The eval makes quoting arguments work.
if eval ${CONFIG_SHELL-/bin/sh} $ac_sub_configure \
$ac_sub_configure_args \
--srcdir=$ac_sub_srcdir \
--with-target-subdir=$target_subdir \
--cache-file=$ac_sub_cache_file
then :
else
AC_MSG_ERROR([$ac_sub_configure failed for $rtems_config_dir])
fi
fi
_RTEMS_POP_BUILDDIR
done
fi],
[
RTEMS_BUILD_SUBDIRS="$RTEMS_BUILD_SUBDIRS"
rtems_configure_args="$ac_configure_args"
])
])
dnl
dnl Misc utility macros for subdir handling to work around missing abilities
dnl in autoconf, automake and structural issues with RTEMS
dnl
dnl Contains parts derived from autoconf-2.13 AC_OUTPUT_SUBDIRS and Cygnus'
dnl configure.ac.
dnl
dnl
dnl _RTEMS_PUSH_BUILDDIR(SUBDIR)
dnl
AC_DEFUN([_RTEMS_PUSH_BUILDDIR],
[
# _RTEMS_PUSH_BUILDDIR
echo configuring in $1
case "$srcdir" in
.) ;;
*) AS_MKDIR_P([$1])
;;
esac
ac_popdir=`pwd`
cd $1
])
dnl
dnl _RTEMS_POP_BUILDDIR
dnl
AC_DEFUN([_RTEMS_POP_BUILDDIR],
[
cd "$ac_popdir"
])
dnl
dnl _RTEMS_GIVEN_INSTALL
dnl
AC_DEFUN([_RTEMS_GIVEN_INSTALL],
[
ifdef([AC_PROVIDE_AC_PROG_INSTALL],[
case "$ac_given_INSTALL" in
[[\\/]]* | ?:[[\\/]]*) INSTALL="$ac_given_INSTALL" ;;
*) INSTALL="$ac_dots$ac_given_INSTALL" ;;
esac
])dnl
])
dnl
dnl _RTEMS_SUB_SRCDIR(AC_CONFIG_DIR[,TARGET_SUBDIR])
dnl
AC_DEFUN([_RTEMS_SUB_SRCDIR],[
# _RTEMS_SUB_SRCDIR
_RTEMS_ADJUST_SRCDIR(ac_sub_srcdir,$1,$2)
# Check for configure
if test -f $ac_sub_srcdir/configure; then
ac_sub_configure=$ac_sub_srcdir/configure
else
AC_MSG_WARN([no configuration information is in $1])
ac_sub_configure=
fi
])
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