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* configure.in: Switch more things to use maybe dependencies.
	Rearrange a little.  Use GCC_TOPLEV_SUBDIRS.
	* configure: Regenerate.
	* Makefile.tpl: Switch more things to use maybe dependencies.
	* Makefile.in: Regenerate.

<config>
	* config/acx.m4: Introduce _GCC_TOPLEV_NONCANONICAL_BUILD,
	_GCC_TOPLEV_NONCANOICAL_HOST, _GCC_TOPLEV_NONCANONICAL_TARGET,
	GCC_TOPLEV_SUBDIRS.
This commit is contained in:
Nathanael Nerode
2003-05-18 15:49:06 +00:00
parent 8dc6cea2e8
commit 9b52096310
7 changed files with 543 additions and 177 deletions
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6
config/ChangeLog
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@@ -1,3 +1,9 @@
2003-05-18 Nathanael Nerode <neroden@gcc.gnu.org>
* config/acx.m4: Introduce _GCC_TOPLEV_NONCANONICAL_BUILD,
_GCC_TOPLEV_NONCANOICAL_HOST, _GCC_TOPLEV_NONCANONICAL_TARGET,
GCC_TOPLEV_SUBDIRS.
2003-03-04 Nathanael Nerode <neroden@gcc.gnu.org>
* mh-dgux: Delete.

61
config/acx.m4
View File

@@ -1,6 +1,67 @@
# Autoconf M4 include file defining utility macros for complex Canadian
# cross builds.
dnl ####
dnl # _GCC_TOPLEV_NONCANONICAL_BUILD
dnl # $build_alias or canonical $build if blank.
dnl # Used when we would use $build_alias, but empty is not OK.
AC_DEFUN([_GCC_TOPLEV_NONCANONICAL_BUILD],
[AC_REQUIRE([AC_CANONICAL_BUILD]) []dnl
case ${build_alias} in
"") build_noncanonical=${build} ;;
*) build_noncanonical=${build_alias} ;;
esac
]) []dnl # _GCC_TOPLEV_NONCANONICAL_BUILD
dnl ####
dnl # _GCC_TOPLEV_NONCANONICAL_HOST
dnl # $host_alias, or $build_noncanonical if blank.
dnl # Used when we would use $host_alias, but empty is not OK.
AC_DEFUN([_GCC_TOPLEV_NONCANONICAL_HOST],
[AC_REQUIRE([_GCC_TOPLEV_NONCANONICAL_BUILD]) []dnl
case ${host_alias} in
"") host_noncanonical=${build_noncanonical} ;;
*) host_noncanonical=${host_alias} ;;
esac
]) []dnl # _GCC_TOPLEV_NONCANONICAL_HOST
dnl ####
dnl # _GCC_TOPLEV_NONCANONICAL_TARGET
dnl # $target_alias or $host_noncanonical if blank.
dnl # Used when we would use $target_alias, but empty is not OK.
AC_DEFUN([_GCC_TOPLEV_NONCANONICAL_TARGET],
[AC_REQUIRE([_GCC_TOPLEV_NONCANONICAL_HOST]) []dnl
case ${target_alias} in
"") target_noncanonical=${host_noncanonical} ;;
*) target_noncanonical=${target_alias} ;;
esac
]) []dnl # _GCC_TOPLEV_NONCANONICAL_TARGET
dnl ####
dnl # GCC_TOPLEV_SUBDIRS
dnl # GCC & friends build 'build', 'host', and 'target' tools. These must
dnl # be separated into three well-known subdirectories of the build directory:
dnl # build_subdir, host_subdir, and target_subdir. The values are determined
dnl # here so that they can (theoretically) be changed in the future. They
dnl # were previously reproduced across many different files.
dnl #
dnl # This logic really amounts to very little with autoconf 2.13; it will
dnl # amount to a lot more with autoconf 2.5x.
AC_DEFUN([GCC_TOPLEV_SUBDIRS],
[AC_REQUIRE([_GCC_TOPLEV_NONCANONICAL_TARGET]) []dnl
AC_REQUIRE([_GCC_TOPLEV_NONCANONICAL_BUILD]) []dnl
# Prefix 'build-' so this never conflicts with target_subdir.
build_subdir="build-${build_noncanonical}"
# Not really a subdirectory, but here for completeness.
host_subdir=.
# No prefix.
target_subdir=${target_noncanonical}
AC_SUBST([build_subdir]) []dnl
AC_SUBST([host_subdir]) []dnl
AC_SUBST([target_subdir]) []dnl
]) []dnl # GCC_TOPLEV_SUBDIRS
####
# _NCN_TOOL_PREFIXES: Some stuff that oughtta be done in AC_CANONICAL_SYSTEM
# or AC_INIT.