From 41fa5e20a48fc3cd64754c03111c849ec6dd9c68 Mon Sep 17 00:00:00 2001 From: cvs2svn <> Date: Tue, 14 Oct 2003 22:28:29 +0000 Subject: This commit was manufactured by cvs2svn to create branch 'drow-cplus- branch'. Cherrypick from master 2003-10-14 22:28:28 UTC Bob Wilson 'bfd ChangeLog:': COPYING.LIBGLOSS config/acx.m4 config/gettext.m4 include/elf/msp430.h include/elf/ppc64.h include/elf/xtensa.h include/xtensa-config.h include/xtensa-isa-internal.h --- config/acx.m4 | 157 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 157 insertions(+) create mode 100644 config/acx.m4 (limited to 'config/acx.m4') diff --git a/config/acx.m4 b/config/acx.m4 new file mode 100644 index 000000000..96b7c8a5c --- /dev/null +++ b/config/acx.m4 @@ -0,0 +1,157 @@ +# 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=${target_noncanonical} +AC_SUBST([build_subdir]) []dnl +AC_SUBST([host_subdir]) []dnl +AC_SUBST([target_subdir]) []dnl +]) []dnl # GCC_TOPLEV_SUBDIRS + + +#### +# _NCN_TOOL_PREFIXES: Some stuff that oughtta be done in AC_CANONICAL_SYSTEM +# or AC_INIT. +# These demand that AC_CANONICAL_SYSTEM be called beforehand. +AC_DEFUN([_NCN_TOOL_PREFIXES], +[ncn_tool_prefix= +test -n "$host_alias" && ncn_tool_prefix=$host_alias- +ncn_target_tool_prefix= +test -n "$target_alias" && ncn_target_tool_prefix=$target_alias- +]) []dnl # _NCN_TOOL_PREFIXES + +#### +# NCN_CHECK_TARGET_TOOL(variable, prog-to-check-for,[value-if-not-found],[path]) +# Like AC_CHECK_TOOL, but tries a prefix of the target, not the host. +# Code is pretty much lifted from autoconf2.53. + +AC_DEFUN([NCN_CHECK_TARGET_TOOL], +[AC_REQUIRE([_NCN_TOOL_PREFIXES]) []dnl +if test -n "$ncn_target_tool_prefix"; then + AC_CHECK_PROG([$1], [${ncn_target_tool_prefix}$2], + [${ncn_target_tool_prefix}$2], , [$4]) +fi +if test -z "$ac_cv_prog_$1" ; then + ncn_cv_$1=$$1 + AC_CHECK_PROG([ncn_cv_$1], [$2], [$2], [$3], [$4]) + $1=$ncn_cv_$1 +else + $1="$ac_cv_prog_$1" +fi +]) []dnl # NCN_CHECK_TARGET_TOOL + + +#### +# NCN_STRICT_CHECK_TOOL(variable, prog-to-check-for,[value-if-not-found],[path]) +# Like AC_CHECK_TOOL, but requires the prefix if build!=host. + +AC_DEFUN([NCN_STRICT_CHECK_TOOL], +[AC_REQUIRE([_NCN_TOOL_PREFIXES]) []dnl +if test -n "$ncn_tool_prefix"; then + AC_CHECK_PROG([$1], [${ncn_tool_prefix}$2], + [${ncn_tool_prefix}$2], , [$4]) +fi +if test -z "$ac_cv_prog_$1" ; then + if test $build = $host ; then + ncn_cv_$1=$$1 + AC_CHECK_PROG([ncn_cv_$1], [$2], [$2], [ifelse([$3],[],[$2],[$3])], [$4]) + $1=$ncn_cv_$1 + else + $1="ifelse([$3],[],[${ncn_tool_prefix}$2],[$3])" + fi +else + $1="$ac_cv_prog_$1" +fi +]) []dnl # NCN_STRICT_CHECK_TOOL + + +#### +# NCN_STRICT_CHECK_TARGET_TOOL(variable, prog-to-check-for,[value-if-not-found],[path]) +# Like NCN_CHECK_TARGET_TOOL, but requires the prefix if build!=target. + +AC_DEFUN([NCN_STRICT_CHECK_TARGET_TOOL], +[AC_REQUIRE([_NCN_TOOL_PREFIXES]) []dnl +if test -n "$ncn_target_tool_prefix"; then + AC_CHECK_PROG([$1], [${ncn_target_tool_prefix}$2], + [${ncn_target_tool_prefix}$2], , [$4]) +fi +if test -z "$ac_cv_prog_$1" ; then + if test $build = $target ; then + ncn_cv_$1=$$1 + AC_CHECK_PROG([ncn_cv_$1], [$2], [$2], [ifelse([$3],[],[$2],[$3])], [$4]) + $1=$ncn_cv_$1 + else + $1="ifelse([$3],[],[${ncn_target_tool_prefix}$2],[$3])" + fi +else + $1="$ac_cv_prog_$1" +fi +]) []dnl # NCN_STRICT_CHECK_TARGET_TOOL + +### +# AC_PROG_CPP_WERROR +# Used for autoconf 2.5x to force AC_PREPROC_IFELSE to reject code which +# triggers warnings from the preprocessor. Will be in autoconf 2.58. +# For now, using this also overrides header checks to use only the +# preprocessor (matches 2.13 behavior; matching 2.58's behavior is a +# bit harder from here). +# Eventually autoconf will default to checking headers with the compiler +# instead, and we'll have to do this differently. + +AC_DEFUN([AC_PROG_CPP_WERROR], +[AC_REQUIRE([AC_PROG_CPP])dnl +m4_define([AC_CHECK_HEADER],m4_defn([_AC_CHECK_HEADER_OLD])) +ac_c_preproc_warn_flag=yes])# AC_PROG_CPP_WERROR -- cgit v1.2.3