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-rw-r--r--binutils-2.24/config/acx.m4621
1 files changed, 0 insertions, 621 deletions
diff --git a/binutils-2.24/config/acx.m4 b/binutils-2.24/config/acx.m4
deleted file mode 100644
index 9ff31eb8..00000000
--- a/binutils-2.24/config/acx.m4
+++ /dev/null
@@ -1,621 +0,0 @@
-# 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=${target_alias} ;;
-esac
-]) []dnl # _GCC_TOPLEV_NONCANONICAL_TARGET
-
-dnl ####
-dnl # ACX_NONCANONICAL_BUILD
-dnl # Like underscored version, but AC_SUBST's.
-AC_DEFUN([ACX_NONCANONICAL_BUILD],
-[AC_REQUIRE([_GCC_TOPLEV_NONCANONICAL_BUILD]) []dnl
-AC_SUBST(build_noncanonical)
-]) []dnl # ACX_NONCANONICAL_BUILD
-
-dnl ####
-dnl # ACX_NONCANONICAL_HOST
-dnl # Like underscored version, but AC_SUBST's.
-AC_DEFUN([ACX_NONCANONICAL_HOST],
-[AC_REQUIRE([_GCC_TOPLEV_NONCANONICAL_HOST]) []dnl
-AC_SUBST(host_noncanonical)
-]) []dnl # ACX_NONCANONICAL_HOST
-
-dnl ####
-dnl # ACX_NONCANONICAL_TARGET
-dnl # Like underscored version, but AC_SUBST's.
-AC_DEFUN([ACX_NONCANONICAL_TARGET],
-[AC_REQUIRE([_GCC_TOPLEV_NONCANONICAL_TARGET]) []dnl
-AC_SUBST(target_noncanonical)
-]) []dnl # ACX_NONCANONICAL_TARGET
-
-dnl ####
-dnl # GCC_TOPLEV_SUBDIRS
-dnl # GCC & friends build 'build', 'host', and 'target' tools. These must
-dnl # be separated into three well-known subdirectories of the build directory:
-dnl # build_subdir, host_subdir, and target_subdir. The values are determined
-dnl # here so that they can (theoretically) be changed in the future. They
-dnl # were previously reproduced across many different files.
-dnl #
-dnl # This logic really amounts to very little with autoconf 2.13; it will
-dnl # amount to a lot more with autoconf 2.5x.
-AC_DEFUN([GCC_TOPLEV_SUBDIRS],
-[AC_REQUIRE([_GCC_TOPLEV_NONCANONICAL_TARGET]) []dnl
-AC_REQUIRE([_GCC_TOPLEV_NONCANONICAL_BUILD]) []dnl
-
-# post-stage1 host modules use a different CC_FOR_BUILD so, in order to
-# have matching libraries, they should use host libraries: Makefile.tpl
-# arranges to pass --with-build-libsubdir=$(HOST_SUBDIR).
-# However, they still use the build modules, because the corresponding
-# host modules (e.g. bison) are only built for the host when bootstrap
-# finishes. So:
-# - build_subdir is where we find build modules, and never changes.
-# - build_libsubdir is where we find build libraries, and can be overridden.
-
-# Prefix 'build-' so this never conflicts with target_subdir.
-build_subdir="build-${build_noncanonical}"
-AC_ARG_WITH(build-libsubdir,
-[ --with-build-libsubdir=[DIR] Directory where to find libraries for build system],
-build_libsubdir="$withval",
-build_libsubdir="$build_subdir")
-# --srcdir=. covers the toplevel, while "test -d" covers the subdirectories
-if ( test $srcdir = . && test -d gcc ) \
- || test -d $srcdir/../host-${host_noncanonical}; then
- host_subdir="host-${host_noncanonical}"
-else
- host_subdir=.
-fi
-# No prefix.
-target_subdir=${target_noncanonical}
-AC_SUBST([build_libsubdir]) []dnl
-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_STRICT_CHECK_TOOLS(variable, progs-to-check-for,[value-if-not-found],[path])
-# Like plain AC_CHECK_TOOLS, but require prefix if build!=host.
-
-AC_DEFUN([NCN_STRICT_CHECK_TOOLS],
-[AC_REQUIRE([_NCN_TOOL_PREFIXES]) []dnl
-AC_ARG_VAR([$1], [$1 for the host])
-
-if test -n "[$]$1"; then
- ac_cv_prog_$1=[$]$1
-elif test -n "$ac_cv_prog_$1"; then
- $1=$ac_cv_prog_$1
-fi
-
-if test -n "$ac_cv_prog_$1"; then
- for ncn_progname in $2; do
- AC_CHECK_PROG([$1], [${ncn_progname}], [${ncn_progname}], , [$4])
- done
-fi
-
-for ncn_progname in $2; do
- if test -n "$ncn_tool_prefix"; then
- AC_CHECK_PROG([$1], [${ncn_tool_prefix}${ncn_progname}],
- [${ncn_tool_prefix}${ncn_progname}], , [$4])
- fi
- if test -z "$ac_cv_prog_$1" && test $build = $host ; then
- AC_CHECK_PROG([$1], [${ncn_progname}], [${ncn_progname}], , [$4])
- fi
- test -n "$ac_cv_prog_$1" && break
-done
-
-if test -z "$ac_cv_prog_$1" ; then
- ifelse([$3],[], [set dummy $2
- if test $build = $host ; then
- $1="[$]2"
- else
- $1="${ncn_tool_prefix}[$]2"
- fi], [$1="$3"])
-fi
-]) []dnl # NCN_STRICT_CHECK_TOOLS
-
-####
-# NCN_STRICT_CHECK_TARGET_TOOLS(variable, progs-to-check-for,[value-if-not-found],[path])
-# Like CVS Autoconf AC_CHECK_TARGET_TOOLS, but require prefix if build!=target.
-
-AC_DEFUN([NCN_STRICT_CHECK_TARGET_TOOLS],
-[AC_REQUIRE([_NCN_TOOL_PREFIXES]) []dnl
-AC_ARG_VAR([$1], patsubst([$1], [_FOR_TARGET$], [])[ for the target])
-
-if test -n "[$]$1"; then
- ac_cv_prog_$1=[$]$1
-elif test -n "$ac_cv_prog_$1"; then
- $1=$ac_cv_prog_$1
-fi
-
-if test -n "$ac_cv_prog_$1"; then
- for ncn_progname in $2; do
- AC_CHECK_PROG([$1], [${ncn_progname}], [${ncn_progname}], , [$4])
- done
-fi
-
-if test -z "$ac_cv_prog_$1" && test -n "$with_build_time_tools"; then
- for ncn_progname in $2; do
- AC_MSG_CHECKING([for ${ncn_progname} in $with_build_time_tools])
- if test -x $with_build_time_tools/${ncn_progname}; then
- ac_cv_prog_$1=$with_build_time_tools/${ncn_progname}
- AC_MSG_RESULT(yes)
- break
- else
- AC_MSG_RESULT(no)
- fi
- done
-fi
-
-if test -z "$ac_cv_prog_$1"; then
- for ncn_progname in $2; do
- if test -n "$ncn_target_tool_prefix"; then
- AC_CHECK_PROG([$1], [${ncn_target_tool_prefix}${ncn_progname}],
- [${ncn_target_tool_prefix}${ncn_progname}], , [$4])
- fi
- if test -z "$ac_cv_prog_$1" && test $build = $target ; then
- AC_CHECK_PROG([$1], [${ncn_progname}], [${ncn_progname}], , [$4])
- fi
- test -n "$ac_cv_prog_$1" && break
- done
-fi
-
-if test -z "$ac_cv_prog_$1" ; then
- ifelse([$3],[], [set dummy $2
- if test $build = $target ; then
- $1="[$]2"
- else
- $1="${ncn_target_tool_prefix}[$]2"
- fi], [$1="$3"])
-else
- $1="$ac_cv_prog_$1"
-fi
-]) []dnl # NCN_STRICT_CHECK_TARGET_TOOLS
-
-
-# Backported from Autoconf 2.5x; can go away when and if
-# we switch. Put the OS path separator in $PATH_SEPARATOR.
-AC_DEFUN([ACX_PATH_SEP], [
-# The user is always right.
-if test "${PATH_SEPARATOR+set}" != set; then
- echo "#! /bin/sh" >conf$$.sh
- echo "exit 0" >>conf$$.sh
- chmod +x conf$$.sh
- if (PATH="/nonexistent;."; conf$$.sh) >/dev/null 2>&1; then
- PATH_SEPARATOR=';'
- else
- PATH_SEPARATOR=:
- fi
- rm -f conf$$.sh
-fi
-])
-
-
-AC_DEFUN([ACX_TOOL_DIRS], [
-AC_REQUIRE([ACX_PATH_SEP])
-if test "x$exec_prefix" = xNONE; then
- if test "x$prefix" = xNONE; then
- gcc_cv_tool_prefix=$ac_default_prefix
- else
- gcc_cv_tool_prefix=$prefix
- fi
-else
- gcc_cv_tool_prefix=$exec_prefix
-fi
-
-# If there is no compiler in the tree, use the PATH only. In any
-# case, if there is no compiler in the tree nobody should use
-# AS_FOR_TARGET and LD_FOR_TARGET.
-if test x$host = x$build && test -f $srcdir/gcc/BASE-VER; then
- gcc_version=`cat $srcdir/gcc/BASE-VER`
- gcc_cv_tool_dirs="$gcc_cv_tool_prefix/libexec/gcc/$target_noncanonical/$gcc_version$PATH_SEPARATOR"
- gcc_cv_tool_dirs="$gcc_cv_tool_dirs$gcc_cv_tool_prefix/libexec/gcc/$target_noncanonical$PATH_SEPARATOR"
- gcc_cv_tool_dirs="$gcc_cv_tool_dirs/usr/lib/gcc/$target_noncanonical/$gcc_version$PATH_SEPARATOR"
- gcc_cv_tool_dirs="$gcc_cv_tool_dirs/usr/lib/gcc/$target_noncanonical$PATH_SEPARATOR"
- gcc_cv_tool_dirs="$gcc_cv_tool_dirs$gcc_cv_tool_prefix/$target_noncanonical/bin/$target_noncanonical/$gcc_version$PATH_SEPARATOR"
- gcc_cv_tool_dirs="$gcc_cv_tool_dirs$gcc_cv_tool_prefix/$target_noncanonical/bin$PATH_SEPARATOR"
-else
- gcc_cv_tool_dirs=
-fi
-
-if test x$build = x$target && test -n "$md_exec_prefix"; then
- gcc_cv_tool_dirs="$gcc_cv_tool_dirs$md_exec_prefix$PATH_SEPARATOR"
-fi
-
-]) []dnl # ACX_TOOL_DIRS
-
-# ACX_HAVE_GCC_FOR_TARGET
-# Check if the variable GCC_FOR_TARGET really points to a GCC binary.
-AC_DEFUN([ACX_HAVE_GCC_FOR_TARGET], [
-cat > conftest.c << \EOF
-#ifdef __GNUC__
- gcc_yay;
-#endif
-EOF
-if ($GCC_FOR_TARGET -E conftest.c | grep gcc_yay) > /dev/null 2>&1; then
- have_gcc_for_target=yes
-else
- GCC_FOR_TARGET=${ncn_target_tool_prefix}gcc
- have_gcc_for_target=no
-fi
-rm conftest.c
-])
-
-# ACX_CHECK_INSTALLED_TARGET_TOOL(VAR, PROG)
-# Searching for installed target binutils. We need to take extra care,
-# else we may find the wrong assembler, linker, etc., and lose.
-#
-# First try --with-build-time-tools, if specified.
-#
-# For build != host, we ask the installed GCC for the name of the tool it
-# uses, and accept it if it is an absolute path. This is because the
-# only good choice for a compiler is the same GCC version that is being
-# installed (or we couldn't make target libraries), and we assume that
-# on the host system we'll have not only the same GCC version, but also
-# the same binutils version.
-#
-# For build == host, search the same directories that the installed
-# compiler will search. We used to do this for the assembler, linker,
-# and nm only; for simplicity of configuration, however, we extend this
-# criterion to tools (such as ar and ranlib) that are never invoked by
-# the compiler, to avoid mismatches.
-#
-# Also note we have to check MD_EXEC_PREFIX before checking the user's path
-# if build == target. This makes the most sense only when bootstrapping,
-# but we also do so when build != host. In this case, we hope that the
-# build and host systems will have similar contents of MD_EXEC_PREFIX.
-#
-# If we do not find a suitable binary, then try the user's path.
-
-AC_DEFUN([ACX_CHECK_INSTALLED_TARGET_TOOL], [
-AC_REQUIRE([ACX_TOOL_DIRS])
-AC_REQUIRE([ACX_HAVE_GCC_FOR_TARGET])
-if test -z "$ac_cv_path_$1" ; then
- if test -n "$with_build_time_tools"; then
- AC_MSG_CHECKING([for $2 in $with_build_time_tools])
- if test -x $with_build_time_tools/$2; then
- $1=`cd $with_build_time_tools && pwd`/$2
- ac_cv_path_$1=[$]$1
- AC_MSG_RESULT([$ac_cv_path_$1])
- else
- AC_MSG_RESULT(no)
- fi
- elif test $build != $host && test $have_gcc_for_target = yes; then
- $1=`$GCC_FOR_TARGET --print-prog-name=$2`
- test [$]$1 = $2 && $1=
- test -n "[$]$1" && ac_cv_path_$1=[$]$1
- fi
-fi
-if test -z "$ac_cv_path_$1" && test -n "$gcc_cv_tool_dirs"; then
- AC_PATH_PROG([$1], [$2], [], [$gcc_cv_tool_dirs])
-fi
-if test -z "$ac_cv_path_$1" ; then
- NCN_STRICT_CHECK_TARGET_TOOLS([$1], [$2])
-else
- $1=$ac_cv_path_$1
-fi
-]) []dnl # ACX_CHECK_INSTALLED_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
-
-# Test for GNAT.
-# We require the gnatbind & gnatmake programs, as well as a compiler driver
-# that understands Ada. We use the user's CC setting, already found, and
-# possibly add $1 to the command-line parameters.
-#
-# Sets the shell variable have_gnat to yes or no as appropriate, and
-# substitutes GNATBIND and GNATMAKE.
-AC_DEFUN([ACX_PROG_GNAT],
-[AC_REQUIRE([AC_CHECK_TOOL_PREFIX])
-AC_REQUIRE([AC_PROG_CC])
-AC_CHECK_TOOL(GNATBIND, gnatbind, no)
-AC_CHECK_TOOL(GNATMAKE, gnatmake, no)
-AC_CACHE_CHECK([whether compiler driver understands Ada],
- acx_cv_cc_gcc_supports_ada,
-[cat >conftest.adb <<EOF
-procedure conftest is begin null; end conftest;
-EOF
-acx_cv_cc_gcc_supports_ada=no
-# There is a bug in old released versions of GCC which causes the
-# driver to exit successfully when the appropriate language module
-# has not been installed. This is fixed in 2.95.4, 3.0.2, and 3.1.
-# Therefore we must check for the error message as well as an
-# unsuccessful exit.
-# Other compilers, like HP Tru64 UNIX cc, exit successfully when
-# given a .adb file, but produce no object file. So we must check
-# if an object file was really produced to guard against this.
-errors=`(${CC} $1[]m4_ifval([$1], [ ])-c conftest.adb) 2>&1 || echo failure`
-if test x"$errors" = x && test -f conftest.$ac_objext; then
- acx_cv_cc_gcc_supports_ada=yes
-fi
-rm -f conftest.*])
-
-if test "x$GNATBIND" != xno && test "x$GNATMAKE" != xno && test x$acx_cv_cc_gcc_supports_ada != xno; then
- have_gnat=yes
-else
- have_gnat=no
-fi
-])
-
-dnl 'make compare' can be significantly faster, if cmp itself can
-dnl skip bytes instead of using tail. The test being performed is
-dnl "if cmp --ignore-initial=2 t1 t2 && ! cmp --ignore-initial=1 t1 t2"
-dnl but we need to sink errors and handle broken shells. We also test
-dnl for the parameter format "cmp file1 file2 skip1 skip2" which is
-dnl accepted by cmp on some systems.
-AC_DEFUN([ACX_PROG_CMP_IGNORE_INITIAL],
-[AC_CACHE_CHECK([how to compare bootstrapped objects], gcc_cv_prog_cmp_skip,
-[ echo abfoo >t1
- echo cdfoo >t2
- gcc_cv_prog_cmp_skip='tail +16c $$f1 > tmp-foo1; tail +16c $$f2 > tmp-foo2; cmp tmp-foo1 tmp-foo2'
- if cmp t1 t2 2 2 > /dev/null 2>&1; then
- if cmp t1 t2 1 1 > /dev/null 2>&1; then
- :
- else
- gcc_cv_prog_cmp_skip='cmp $$f1 $$f2 16 16'
- fi
- fi
- if cmp --ignore-initial=2 t1 t2 > /dev/null 2>&1; then
- if cmp --ignore-initial=1 t1 t2 > /dev/null 2>&1; then
- :
- else
- gcc_cv_prog_cmp_skip='cmp --ignore-initial=16 $$f1 $$f2'
- fi
- fi
- rm t1 t2
-])
-do_compare="$gcc_cv_prog_cmp_skip"
-AC_SUBST(do_compare)
-])
-
-dnl See whether we can include both string.h and strings.h.
-AC_DEFUN([ACX_HEADER_STRING],
-[AC_CACHE_CHECK([whether string.h and strings.h may both be included],
- gcc_cv_header_string,
-[AC_TRY_COMPILE([#include <string.h>
-#include <strings.h>], , gcc_cv_header_string=yes, gcc_cv_header_string=no)])
-if test $gcc_cv_header_string = yes; then
- AC_DEFINE(STRING_WITH_STRINGS, 1, [Define if you can safely include both <string.h> and <strings.h>.])
-fi
-])
-
-dnl See if stdbool.h properly defines bool and true/false.
-dnl Check whether _Bool is built-in.
-AC_DEFUN([ACX_HEADER_STDBOOL],
-[AC_CACHE_CHECK([for working stdbool.h],
- ac_cv_header_stdbool_h,
-[AC_TRY_COMPILE([#include <stdbool.h>],
-[bool foo = false;],
-ac_cv_header_stdbool_h=yes, ac_cv_header_stdbool_h=no)])
-if test $ac_cv_header_stdbool_h = yes; then
- AC_DEFINE(HAVE_STDBOOL_H, 1,
- [Define if you have a working <stdbool.h> header file.])
-fi
-AC_CACHE_CHECK(for built-in _Bool, gcc_cv_c__bool,
-[AC_TRY_COMPILE(,
-[_Bool foo;],
-gcc_cv_c__bool=yes, gcc_cv_c__bool=no)
-])
-if test $gcc_cv_c__bool = yes; then
- AC_DEFINE(HAVE__BOOL, 1, [Define if the \`_Bool' type is built-in.])
-fi
-])
-
-dnl See if hard links work and if not, try to substitute $1 or simple copy.
-AC_DEFUN([ACX_PROG_LN],
-[AC_MSG_CHECKING(whether ln works)
-AC_CACHE_VAL(acx_cv_prog_LN,
-[rm -f conftestdata_t
-echo >conftestdata_f
-if ln conftestdata_f conftestdata_t 2>/dev/null
-then
- acx_cv_prog_LN=ln
-else
- acx_cv_prog_LN=no
-fi
-rm -f conftestdata_f conftestdata_t
-])dnl
-if test $acx_cv_prog_LN = no; then
- LN="ifelse([$1],,cp,[$1])"
- AC_MSG_RESULT([no, using $LN])
-else
- LN="$acx_cv_prog_LN"
- AC_MSG_RESULT(yes)
-fi
-AC_SUBST(LN)dnl
-])
-
-dnl GCC_TARGET_TOOL(PROGRAM, TARGET-VAR, HOST-VAR, IN-TREE-TOOL, LANGUAGE)
-AC_DEFUN([GCC_TARGET_TOOL],
-[AC_MSG_CHECKING(where to find the target $1)
-if test "x${build}" != "x${host}" ; then
- if expr "x[$]$2" : "x/" > /dev/null; then
- # We already found the complete path
- ac_dir=`dirname [$]$2`
- AC_MSG_RESULT(pre-installed in $ac_dir)
- else
- # Canadian cross, just use what we found
- AC_MSG_RESULT(pre-installed)
- fi
-else
- ifelse([$4],,,
- [ok=yes
- case " ${configdirs} " in
- *" patsubst([$4], [/.*], []) "*) ;;
- *) ok=no ;;
- esac
- ifelse([$5],,,
- [case ,${enable_languages}, in
- *,$5,*) ;;
- *) ok=no ;;
- esac])
- if test $ok = yes; then
- # An in-tree tool is available and we can use it
- $2='$$r/$(HOST_SUBDIR)/$4'
- AC_MSG_RESULT(just compiled)
- el])if expr "x[$]$2" : "x/" > /dev/null; then
- # We already found the complete path
- ac_dir=`dirname [$]$2`
- AC_MSG_RESULT(pre-installed in $ac_dir)
- elif test "x$target" = "x$host"; then
- # We can use an host tool
- $2='$($3)'
- AC_MSG_RESULT(host tool)
- else
- # We need a cross tool
- AC_MSG_RESULT(pre-installed)
- fi
-fi
-AC_SUBST($2)])
-
-
-dnl Locate a program and check that its version is acceptable.
-dnl ACX_PROG_CHECK_VER(var, name, version-switch,
-dnl version-extract-regexp, version-glob)
-AC_DEFUN([ACX_CHECK_PROG_VER],[
- AC_CHECK_PROG([$1], [$2], [$2])
- if test -n "[$]$1"; then
- # Found it, now check the version.
- AC_CACHE_CHECK([for modern $2],
- [gcc_cv_prog_$2_modern],
- [ac_prog_version=`eval [$]$1 $3 2>&1 |
- sed -n 's/^.*patsubst([[$4]],/,\/).*$/\1/p'`
-
- [case $ac_prog_version in
- '') gcc_cv_prog_$2_modern=no;;
- $5) gcc_cv_prog_$2_modern=yes;;
- *) gcc_cv_prog_$2_modern=no;;
- esac]
- ])
- else
- gcc_cv_prog_$2_modern=no
- fi
- if test $gcc_cv_prog_$2_modern = no; then
- $1="${CONFIG_SHELL-/bin/sh} $ac_aux_dir/missing $2"
- fi
-])
-
-dnl Support the --with-pkgversion configure option.
-dnl ACX_PKGVERSION(default-pkgversion)
-AC_DEFUN([ACX_PKGVERSION],[
- AC_ARG_WITH(pkgversion,
- AS_HELP_STRING([--with-pkgversion=PKG],
- [Use PKG in the version string in place of "$1"]),
- [case "$withval" in
- yes) AC_MSG_ERROR([package version not specified]) ;;
- no) PKGVERSION= ;;
- *) PKGVERSION="($withval) " ;;
- esac],
- PKGVERSION="($1) "
- )
- AC_SUBST(PKGVERSION)
-])
-
-dnl Support the --with-bugurl configure option.
-dnl ACX_BUGURL(default-bugurl)
-AC_DEFUN([ACX_BUGURL],[
- AC_ARG_WITH(bugurl,
- AS_HELP_STRING([--with-bugurl=URL],
- [Direct users to URL to report a bug]),
- [case "$withval" in
- yes) AC_MSG_ERROR([bug URL not specified]) ;;
- no) BUGURL=
- ;;
- *) BUGURL="$withval"
- ;;
- esac],
- BUGURL="$1"
- )
- case ${BUGURL} in
- "")
- REPORT_BUGS_TO=
- REPORT_BUGS_TEXI=
- ;;
- *)
- REPORT_BUGS_TO="<$BUGURL>"
- REPORT_BUGS_TEXI=@uref{`echo "$BUGURL" | sed 's/@/@@/g'`}
- ;;
- esac;
- AC_SUBST(REPORT_BUGS_TO)
- AC_SUBST(REPORT_BUGS_TEXI)
-])
-
-dnl ####
-dnl # ACX_CHECK_CYGWIN_CAT_WORKS
-dnl # On Cygwin hosts, check that the cat command ignores
-dnl # carriage returns as otherwise builds will not work.
-dnl # See binutils PR 4334 for more details.
-AC_DEFUN([ACX_CHECK_CYGWIN_CAT_WORKS],[
-AC_MSG_CHECKING([to see if cat works as expected])
-echo a >cygwin-cat-check
-if test `cat cygwin-cat-check` = a ; then
- rm cygwin-cat-check
- AC_MSG_RESULT(yes)
-else
- rm cygwin-cat-check
- AC_MSG_RESULT(no)
- AC_MSG_ERROR([The cat command does not ignore carriage return characters.
- Please either mount the build directory in binary mode or run the following
- commands before running any configure script:
-set -o igncr
-export SHELLOPTS
- ])
-fi
-])