## All directories belong in one of 3 categories.
## ${HOST_CONFIGDIRS_LIST} is directories we build using the host tools.
## ${TARGET_CONFIGDIRS_LIST} is directories we build using the target tools.
## ${BUILD_CONFIGDIRS_LIST} is directories we build using the build tools
dnl RTEMS_ARG_VAR(VAR,HELP-STRING)
dnl An internal macros to have help strings pretty
dnl printed with configure --help, without letting autoconf spoil config subdir
dnl environments by trying to propagate them
dnl Stripped down version of autoconf-2.52's AC_ARG_VAR.
AC_DEFUN([_RTEMS_ARG_VAR],
[
m4_expand_once([m4_divert_once([HELP_VAR],
[AC_HELP_STRING([$1], [$2], [ ])])],
[$0($1)])dnl
])
AC_DEFUN([_RTEMS_SUBST_IFNOT],
[AS_IF([`echo " [$]$1 " | grep " $2 " > /dev/null`],
[],
[AC_SUBST([$1],["[$]$1 $2"])])
])
AC_DEFUN([_RTEMS_COMMANDS_POST_CONFIG_SUBDIRS],
[
AC_CONFIG_COMMANDS_PRE([
_RTEMS_BUILD_CONFIG_PREPARE
_RTEMS_HOST_CONFIG_PREPARE
_RTEMS_TARGET_CONFIG_PREPARE
AS_IF([test $build = $host],
[
AS_IF([test $host = $target],
[dnl b=h, h=t, t=b
BUILD_SUBDIRS="${build_configdirs}"
build_configdirs="${build_configdirs}"
HOST_SUBDIRS=""
host_configdirs=""
TARGET_SUBDIRS=""
target_configdirs=""],
[dnl b=h, h!=t, t!=b
BUILD_SUBDIRS="${build_configdirs}"
build_configdirs="${build_configdirs}"
HOST_SUBDIRS=""
host_configdirs=""
TARGET_SUBDIRS=`echo "${target_configdirs}" | \
sed -e "s%\([[^ ]][[^ ]]*\)%$target_alias/\1%g"`
target_configdirs="${target_configdirs}"
])
],[
AS_IF([test $host = $target],
[ dnl b!=h, h=t, b!=t
BUILD_SUBDIRS="${build_configdirs}"
build_configdirs="${build_configdirs}"
HOST_SUBDIRS=`echo "${host_configdirs}" | \
sed -e "s%\([[^ ]][[^ ]]*\)%$host_alias/\1%g"`
host_configdirs="${host_configdirs}"
TARGET_SUBDIRS=""
target_configdirs=""],
[
AS_IF([test $build = $target],
[dnl b!=h, h!=t, b=t
BUILD_SUBDIRS="${build_configdirs}"
build_configdirs="${build_configdirs}"
HOST_SUBDIRS=`echo "${host_configdirs}" | \
sed -e "s%\([[^ ]][[^ ]]*\)%$host_alias/\1%g"`
host_configdirs="${host_configdirs}"
TARGET_SUBDIRS=""
target_configdirs=""],
[dnl b!=h, h!=t, b!=t
BUILD_SUBDIRS="${build_configdirs}"
build_configdirs="${build_configdirs}"
HOST_SUBDIRS=`echo "${host_configdirs}" | \
sed -e "s%\([[^ ]][[^ ]]*\)%$host_alias/\1%g"`
host_configdirs="${host_configdirs}"
TARGET_SUBDIRS=`echo "${target_configdirs}" | \
sed -e "s%\([[^ ]][[^ ]]*\)%$target_alias/\1%g"`
target_configdirs="${target_configdirs}"
])
])
])
AC_SUBST(HOST_SUBDIRS)
AC_SUBST(TARGET_SUBDIRS)
AC_SUBST(BUILD_SUBDIRS)
])
AC_CONFIG_COMMANDS_POST([
_RTEMS_OUTPUT_SUBDIRS([build],[BUILD])
_RTEMS_OUTPUT_SUBDIRS([host],[HOST])
_RTEMS_OUTPUT_SUBDIRS([target],[TARGET])
])
])
dnl _RTEMS_SRCPATHS(BUILD-DIR-NAME)
dnl ----------------------------
dnl Inputs:
dnl - BUILD-DIR-NAME is `top-build -> build' and `top-src -> src'
dnl - `$srcdir' is `top-build -> top-src'
dnl
dnl Outputs:
dnl - `ac_builddir' is `.', for symmetry only.
dnl - `ac_top_builddir' is `build -> top_build'.
dnl If not empty, has a trailing slash.
dnl - `ac_srcdir' is `build -> src'.
dnl - `ac_top_srcdir' is `build -> top-src'.
dnl
dnl and `ac_buildpath' etc., the absolute paths.
m4_define([_RTEMS_SRCPATHS],
[
m4_if([$2],,
[dstdir=$1],
[case "$2" in
"." | "" ) # No subdir was given
dstdir=$1;;
* ) # A subdir was given
dstdir=$2/$1;;
esac])
ac_builddir=.
AS_IF([test $dstdir != .],
[ # Strip off leading ./
ac_builddir_suffix=/`echo $dstdir | sed 's,^\.[[\\/]],,'`
ac_srcdir_suffix=/`echo $1 | sed 's,^\.[[\\/]],,'`
# A "../" for each directory in $ac_dir_suffix.
ac_top_builddir=`echo "$ac_builddir_suffix" | sed 's,/[[^\\/]]*,../,g'`
],[
ac_dir_suffix= ac_top_builddir=
])
case $srcdir in
.) # No --srcdir option. We are building in place.
ac_srcdir=.
if test -z "$ac_top_builddir"; then
ac_top_srcdir=.
else
ac_top_srcdir=`echo $ac_top_builddir | sed 's,/$,,'`
fi ;;
[[\\/]]* | ?:[[\\/]]* ) # Absolute path.
ac_srcdir=$srcdir$ac_srcdir_suffix;
ac_top_srcdir=$srcdir;
;;
*) # Relative path.
ac_srcdir=$ac_top_builddir$srcdir$ac_srcdir_suffix;
ac_top_srcdir=$ac_top_builddir$srcdir;
;;
esac
dnl Don't blindly perform a `cd $1/$ac_foo && pwd` since $ac_foo can be
dnl absolute.
ac_buildpath=`cd $dstdir && cd $ac_builddir && pwd`
ac_top_buildpath=`cd $dstdir && cd $ac_top_builddir && pwd`
ac_srcpath=`cd $dstdir && cd $ac_srcdir && pwd`
ac_top_srcpath=`cd $dstdir && cd $ac_top_srcdir && pwd`
])# _AC_SRCPATHS
dnl _RTEMS_OUTPUT_SUBDIRS([host|target|build],[HOST|TARGET|BUILD])
AC_DEFUN([_RTEMS_OUTPUT_SUBDIRS],[
m4_ifdef([_RTEMS_$2_CONFIGDIRS_LIST],
[
_RTEMS_ARG_VAR([CC_FOR_$2],
[c-compiler to be used for $1 subdirs (default: auto-detected)])
_RTEMS_ARG_VAR([CFLAGS_FOR_$2],
[c-flags to be used for $1 subdirs (default: provided by autoconf)])
if test "$no_recursion" != yes; then
if test -n "${$2_SUBDIRS}"; then
ac_sub_configure_args=
ac_prev=
for ac_arg in $$1args; do
if test -n "$ac_prev"; then
ac_prev=
continue
fi
case $ac_arg in
-cache-file | --cache-file | --cache-fil | --cache-fi \
| --cache-f | --cache- | --cache | --cach | --cac | --ca | --c)
ac_prev=cache_file ;;
-cache-file=* | --cache-file=* | --cache-fil=* | --cache-fi=* \
| --cache-f=* | --cache-=* | --cache=* | --cach=* | --cac=* | --ca=* \
| --c=*)
;;
--config-cache | -C)
;;
-srcdir | --srcdir | --srcdi | --srcd | --src | --sr)
ac_prev=srcdir ;;
-srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=*)
;;
-prefix | --prefix | --prefi | --pref | --pre | --pr | --p)
ac_prev=prefix ;;
-prefix=* | --prefix=* | --prefi=* | --pref=* | --pre=* | --pr=* | --p=*)
;;
*) ac_sub_configure_args="$ac_sub_configure_args $ac_arg" ;;
esac
done
# Always prepend --prefix to ensure using the same prefix
# in subdir configurations.
ac_sub_configure_args="--prefix=$prefix $ac_sub_configure_args"
case "$$1_subdir" in
"." ) ;;
* )
ac_sub_configure_args="$ac_sub_configure_args --with-target-subdir=$$1_subdir --exec-prefix=${prefix}/$$1_subdir"
;;
esac
# make sure that $1_subdir is not empty
test -n "$$1_subdir" || $1_subdir="."
ac_popdir=`pwd`
for ac_dir in $$1_configdirs; do
# Do not complain, so a configure script can configure whichever
# parts of a large source tree are present.
test -d $srcdir/$ac_dir || continue
AC_MSG_NOTICE([configuring in $$1_subdir/$ac_dir])
AS_MKDIR_P(["$$1_subdir/$ac_dir"])
_RTEMS_SRCPATHS(["$ac_dir"],["$$1_subdir"])
cd $$1_subdir/$ac_dir
# Check for guested configure; otherwise get Cygnus style configure.
if test -f $ac_srcdir/configure.gnu; then
ac_sub_configure="$SHELL '$ac_srcdir/configure.gnu'"
elif test -f $ac_srcdir/configure; then
ac_sub_configure="$SHELL '$ac_srcdir/configure'"
elif test -f $ac_srcdir/configure.in; then
ac_sub_configure=$ac_configure
else
AC_MSG_WARN([no configuration information is in $ac_dir])
ac_sub_configure=
fi
# The recursion is here.
if test -n "$ac_sub_configure"; then
# Make the cache file name correct relative to the subdirectory.
case $cache_file in
[[\\/]]* | ?:[[\\/]]* ) ac_sub_cache_file=$cache_file ;;
*) # Relative path.
ac_sub_cache_file=$ac_top_builddir$cache_file ;;
esac
AC_MSG_NOTICE([running $ac_sub_configure $ac_sub_configure_args \
--cache-file=$ac_sub_cache_file --srcdir=$ac_srcdir])
# The eval makes quoting arguments work.
ac_sub_configure_vars=
test -n "[$]CC_FOR_$2" && \
ac_sub_configure_vars="CC='[$]CC_FOR_$2'"
test -n "[$]CFLAGS_FOR_$2" && \
ac_sub_configure_vars="$ac_sub_configure_vars CFLAGS='[$]CFLAGS_FOR_$2'"
eval $ac_sub_configure_vars \
$ac_sub_configure $ac_sub_configure_args \
--cache-file=$ac_sub_cache_file --srcdir=$ac_srcdir ||
AC_MSG_ERROR([$ac_sub_configure failed for $ac_dir])
fi
cd $ac_popdir
done
fi
fi
])
])
## PUBLIC: RTEMS_BUILD_CONFIG_SUBDIRS(build_subdir)
# subdirs to be built for the build environment
AC_DEFUN([RTEMS_BUILD_CONFIG_SUBDIRS],[
m4_append([_RTEMS_BUILD_CONFIGDIRS_LIST],[ $1])
dnl Always append to build_configdirs
AC_SUBST(build_configdirs,"$build_configdirs $1")
m4_divert_text([DEFAULTS],
[ac_subdirs_all="$ac_subdirs_all m4_normalize([$1])"])
m4_expand_once([_RTEMS_COMMANDS_POST_CONFIG_SUBDIRS])
])
AC_DEFUN(_RTEMS_BUILD_CONFIG_PREPARE,[
# Record the configure arguments in Makefile.
m4_ifdef([_RTEMS_BUILD_CONFIGDIRS_LIST],
[
buildargs=`echo "${ac_configure_args}" | \
sed -e 's/--no[[^ ]]*//' \
-e 's/--cache[[a-z-]]*=[[^ ]]*//' \
-e 's/--ho[[a-z-]]*=[[^ ]]*//' \
-e 's/--bu[[a-z-]]*=[[^ ]]*//' \
-e 's/--ta[[a-z-]]*=[[^ ]]*//' \
-e 's/[[^ ]]*alias=[[^ ]]*//g'` ;
buildargs="--host=${build} --build=${build} --target=${target_alias} ${buildargs}"
AC_SUBST(buildargs)
build_subdir="."
],[])
])
## PUBLIC: RTEMS_HOST_CONFIG_SUBDIRS(host_subdir)
# subdirs to be build for the host environment
AC_DEFUN([RTEMS_HOST_CONFIG_SUBDIRS],[
m4_append([_RTEMS_HOST_CONFIGDIRS_LIST],[ $1])dnl
if test $build = $host;
then
if test $host = $target;
then
_RTEMS_SUBST_IFNOT([build_configdirs],[$1])
else
_RTEMS_SUBST_IFNOT([build_configdirs],[$1])
fi
else
if test $host = $target;
then
_RTEMS_SUBST_IFNOT([host_configdirs],[$1])
else
if test $build = $target;
then
_RTEMS_SUBST_IFNOT([host_configdirs],[$1])
else
_RTEMS_SUBST_IFNOT([host_configdirs],[$1])
fi
fi
fi
m4_divert_text([DEFAULTS],
[ac_subdirs_all="$ac_subdirs_all m4_normalize([$1])"])
m4_expand_once([_RTEMS_COMMANDS_POST_CONFIG_SUBDIRS])
])
AC_DEFUN(_RTEMS_HOST_CONFIG_PREPARE,[
m4_ifdef([_RTEMS_HOST_CONFIGDIRS_LIST],
[
# Record configure arguments in Makefile.
hostargs=`echo "${ac_configure_args}" | \
sed -e 's/--no[[^ ]]*//' \
-e 's/--cache[[a-z-]]*=[[^ ]]*//' \
-e 's/--ho[[a-z-]]*=[[^ ]]*//' \
-e 's/--bu[[a-z-]]*=[[^ ]]*//' \
-e 's/--ta[[a-z-]]*=[[^ ]]*//' \
-e 's/[[^ ]]*alias=[[^ ]]*//g'` ;
hostargs="--host=${host_alias} --build=${build} --target=${target_alias} ${hostargs}"
AC_SUBST(hostargs)
host_subdir="${host_alias}"
],[])
])
## PUBLIC: RTEMS_TARGET_CONFIG_SUBDIRS(target_subdir)
# subdirs to be build for the target environment
AC_DEFUN([RTEMS_TARGET_CONFIG_SUBDIRS],[
m4_append([_RTEMS_TARGET_CONFIGDIRS_LIST],[ $1])
if test $build = $host;
then
if test $host = $target;
then
_RTEMS_SUBST_IFNOT([build_configdirs],[$1])
else
_RTEMS_SUBST_IFNOT([target_configdirs],[$1])
fi
else
if test $host = $target;
then
_RTEMS_SUBST_IFNOT([host_configdirs],[$1])
else
if test $build = $target;
then
_RTEMS_SUBST_IFNOT([build_configdirs],[$1])
else
_RTEMS_SUBST_IFNOT([target_configdirs],[$1])
fi
fi
fi
m4_divert_text([DEFAULTS],
[ac_subdirs_all="$ac_subdirs_all m4_normalize([$1])"])
m4_expand_once([_RTEMS_COMMANDS_POST_CONFIG_SUBDIRS])
])
AC_DEFUN(_RTEMS_TARGET_CONFIG_PREPARE,[
m4_ifdef([_RTEMS_TARGET_CONFIGDIRS_LIST],
[
# Record the configure arguments in Makefile.
targetargs=`echo "${ac_configure_args}" | \
sed -e 's/--no[[^ ]]*//' \
-e 's/--cache[[a-z-]]*=[[^ ]]*//' \
-e 's/--ho[[a-z-]]*=[[^ ]]*//' \
-e 's/--bu[[a-z-]]*=[[^ ]]*//' \
-e 's/--ta[[a-z-]]*=[[^ ]]*//' \
-e 's/[[^ ]]*alias=[[^ ]]*//g'` ;
targetargs="--host=${target_alias} --build=${build} --target=${target_alias} ${targetargs}"
AC_SUBST(targetargs)
target_subdir="${target_alias}"
],[])
])
