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author | cvs2svn <> | 2003-05-21 13:48:08 +0400 |
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committer | cvs2svn <> | 2003-05-21 13:48:08 +0400 |
commit | c4665ff76b95cf10bf046e46038626639b2e2b12 (patch) | |
tree | 35613a5dcd4cf37a68c66e9d4a1567175a7866a9 /config/acx.m4 | |
parent | 78a97d37bbe1abae26cc68ad87c93e80a69b08df (diff) |
This commit was manufactured by cvs2svn to create branchcagney_fileio-20030521-branchpointcagney_fileio-20030521-branch
'cagney_fileio-20030521-branch'.
Sprout from jimb-ppc64-linux-20030509-branch 2003-05-09 11:36:10 UTC cvs2svn 'This commit was manufactured by cvs2svn to create branch 'jimb-'
Cherrypick from master 2003-05-21 09:48:07 UTC Maciej W. Rozycki <macro@codesourcery.com> '2003-05-20 Maciej W. Rozycki <macro@ds2.pg.gda.pl>':
ChangeLog
Makefile.in
Makefile.tpl
config.guess
config.sub
config/ChangeLog
config/acinclude.m4
config/acx.m4
configure
configure.in
etc/ChangeLog
etc/configure.texi
include/ChangeLog
include/bfdlink.h
include/elf/ChangeLog
include/elf/common.h
include/elf/external.h
include/elf/h8.h
include/elf/internal.h
include/libiberty.h
include/opcode/ChangeLog
include/opcode/i860.h
include/opcode/m68hc11.h
Diffstat (limited to 'config/acx.m4')
-rw-r--r-- | config/acx.m4 | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/config/acx.m4 b/config/acx.m4 index 4e16bcd31..ea5cb07dc 100644 --- a/config/acx.m4 +++ b/config/acx.m4 @@ -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. |