mirror/autoconf
2
0
Fork 0
mirror of git://git.sv.gnu.org/autoconf synced 2024-12-09 02:10:22 +08:00
Code Issues Packages Projects Releases Wiki Activity
17b18b5032
autoconf/acgeneral.m4
David MacKenzie 7179e90edc fix up indexes, remove an old macro
1994-08-24 18:28:20 +00:00

1758 lines
52 KiB
Plaintext
Raw Blame History

dnl Parameterized macros that do not check for something specific.
dnl Requires GNU m4.
dnl This file is part of Autoconf.
dnl Copyright (C) 1992, 1993, 1994 Free Software Foundation, Inc.
dnl
dnl This program is free software; you can redistribute it and/or modify
dnl it under the terms of the GNU General Public License as published by
dnl the Free Software Foundation; either version 2, or (at your option)
dnl any later version.
dnl
dnl This program is distributed in the hope that it will be useful,
dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
dnl GNU General Public License for more details.
dnl
dnl You should have received a copy of the GNU General Public License
dnl along with this program; if not, write to the Free Software
dnl Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
dnl
dnl Written by David MacKenzie, with help from
dnl Franc,ois Pinard, Karl Berry, Richard Pixley, Ian Lance Taylor,
dnl Roland McGrath, Noah Friedman, and david d zuhn.
dnl
changequote([, ])dnl
undefine([eval])dnl
undefine([include])dnl
undefine([shift])dnl
undefine([format])dnl
dnl
dnl Some old m4's don't support m4exit. But they provide
dnl equivalent functionality by core dumping because of the
dnl long macros we define.
ifdef([__gnu__], , [errprint(Autoconf requires GNU m4.
Install it before installing Autoconf or set the
M4 environment variable to its path name.
)m4exit(2)])dnl
dnl
define(AC_ACVERSION, 1.102)dnl
dnl This is defined by the --version option of the autoconf script.
ifdef([AC_PRINT_VERSION], [Autoconf version AC_ACVERSION
m4exit(0)])dnl
dnl
dnl
dnl ### Controlling Autoconf operation
dnl
dnl
dnl m4 diversions:
define(AC_DIVERSION_NORMAL, 0)dnl normal output
define(AC_DIVERSION_SED, 1)dnl sed substitutions for config.status
define(AC_DIVERSION_HELP, 3)dnl --enable/--with help strings
define(AC_DIVERSION_ARG, 4)dnl --enable/--with actions
divert(AC_DIVERSION_NORMAL)dnl
dnl
dnl Define a macro which automatically provides itself.
dnl Use instead of define for macros to be used as functions.
dnl AC_DEFUN(NAME, EXPANSION)
define([AC_DEFUN],
[define($1,
[define([AC_PROVIDE_$1], )][$2])])dnl
dnl
dnl AC_INIT_NOTICE()
AC_DEFUN(AC_INIT_NOTICE,
[# Guess values for system-dependent variables and create Makefiles.
# Generated automatically using autoconf version] AC_ACVERSION [
# Copyright (C) 1991, 1992, 1993, 1994 Free Software Foundation, Inc.
#
# This configure script is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as published
# by the Free Software Foundation; either version 2, or (at your option)
# any later version.
#
# This script is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
# Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
])dnl
dnl
dnl AC_INIT_PARSE_ARGS()
AC_DEFUN(AC_INIT_PARSE_ARGS,
[AC_BEFORE([$0], [AC_ARG_ENABLE])dnl
AC_BEFORE([$0], [AC_ARG_WITH])dnl
# Save the original args to write them into config.status later.
configure_args="[$]@"
# Omit some internal, obsolete, or unimplemented options to make the
# list less imposing.
changequote(, )dnl
ac_usage="Usage: configure [options] [host]
Options: [defaults in brackets after descriptions]
Configuration:
--cache-file=FILE cache test results in FILE
--help print this message
--no-create do not create output files
--quiet, --silent do not print \`checking...' messages
--version print the version of autoconf that created configure
Directories:
--exec-prefix=PREFIX install host dependent files in PREFIX [/usr/local]
--prefix=PREFIX install host independent files in PREFIX [/usr/local]
--srcdir=DIR find the sources in DIR [configure dir or ..]
Host type:
--build=BUILD configure for building on BUILD [BUILD=HOST]
--host=HOST configure for HOST [guessed]
--target=TARGET configure for TARGET [TARGET=HOST]
Features and packages:
--disable-FEATURE do not include FEATURE (same as --enable-FEATURE=no)
--enable-FEATURE[=ARG] include FEATURE [ARG=yes]
--with-PACKAGE[=ARG] use PACKAGE [ARG=yes]
--without-PACKAGE do not use PACKAGE (same as --with-PACKAGE=no)
--x-includes=DIR X include files are in DIR
--x-libraries=DIR X library files are in DIR
--enable/--with options recognized:
undivert(AC_DIVERSION_HELP)"dnl
changequote([, ])dnl
# Initialize some variables set by options.
# The variables have the same names as the options, with
# dashes changed to underlines.
build=NONE
cache_file=./config.cache
exec_prefix=NONE
host=NONE
no_create=
nonopt=NONE
norecursion=
prefix=NONE
program_prefix=
program_suffix=
program_transform_name=
silent=
srcdir=
target=NONE
verbose=
x_includes=NONE
x_libraries=NONE
# Initialize some other variables.
subdirs=
ac_prev=
for ac_option
do
# If the previous option needs an argument, assign it.
if test -n "$ac_prev"; then
eval "$ac_prev=\$ac_option"
ac_prev=
continue
fi
case "$ac_option" in
changequote(, )dnl
-*=*) ac_optarg=`echo "$ac_option" | sed 's/[-_a-zA-Z0-9]*=//'` ;;
changequote([, ])dnl
*) ac_optarg= ;;
esac
# Accept (but ignore some of) the important Cygnus configure
# options, so we can diagnose typos.
case "$ac_option" in
-build | --build | --buil | --bui | --bu | --b)
ac_prev=build ;;
-build=* | --build=* | --buil=* | --bui=* | --bu=* | --b=*)
build="$ac_optarg" ;;
-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=*)
cache_file="$ac_optarg" ;;
-disable-* | --disable-*)
ac_feature=`echo $ac_option|sed -e 's/-*disable-//'`
# Reject names that are not valid shell variable names.
changequote(, )dnl
if test -n "`echo $ac_feature| sed 's/[-a-zA-Z0-9_]//g'`"; then
changequote([, ])dnl
AC_MSG_ERROR($ac_feature: invalid feature name)
fi
ac_feature=`echo $ac_feature| sed 's/-/_/g'`
eval "enable_${ac_feature}=no" ;;
-enable-* | --enable-*)
ac_feature=`echo $ac_option|sed -e 's/-*enable-//' -e 's/=.*//'`
# Reject names that are not valid shell variable names.
changequote(, )dnl
if test -n "`echo $ac_feature| sed 's/[-_a-zA-Z0-9]//g'`"; then
changequote([, ])dnl
AC_MSG_ERROR($ac_feature: invalid feature name)
fi
ac_feature=`echo $ac_feature| sed 's/-/_/g'`
case "$ac_option" in
*=*) ;;
*) ac_optarg=yes ;;
esac
eval "enable_${ac_feature}='$ac_optarg'" ;;
-exec-prefix | --exec_prefix | --exec-prefix | --exec-prefi \
| --exec-pref | --exec-pre | --exec-pr | --exec-p | --exec- \
| --exec | --exe | --ex)
ac_prev=exec_prefix ;;
-exec-prefix=* | --exec_prefix=* | --exec-prefix=* | --exec-prefi=* \
| --exec-pref=* | --exec-pre=* | --exec-pr=* | --exec-p=* | --exec-=* \
| --exec=* | --exe=* | --ex=*)
exec_prefix="$ac_optarg" ;;
-gas | --gas | --ga | --g)
# Obsolete; use --with-gas.
with_gas=yes ;;
-help | --help | --hel | --he)
cat << EOF
$ac_usage
EOF
exit 0 ;;
-host | --host | --hos | --ho)
ac_prev=host ;;
-host=* | --host=* | --hos=* | --ho=*)
host="$ac_optarg" ;;
-nfp | --nfp | --nf)
# Obsolete; use --without-fp.
with_fp=no ;;
-no-create | --no-create | --no-creat | --no-crea | --no-cre \
| --no-cr | --no-c)
no_create=yes ;;
-norecursion | --norecursion | --norecursio | --norecursi \
| --norecurs | --norecur | --norecu | --norec | --nore | --nor)
norecursion=yes ;;
-prefix | --prefix | --prefi | --pref | --pre | --pr | --p)
ac_prev=prefix ;;
-prefix=* | --prefix=* | --prefi=* | --pref=* | --pre=* | --pr=* | --p=*)
prefix="$ac_optarg" ;;
-program-prefix | --program-prefix | --program-prefi | --program-pref \
| --program-pre | --program-pr | --program-p)
ac_prev=program_prefix ;;
-program-prefix=* | --program-prefix=* | --program-prefi=* \
| --program-pref=* | --program-pre=* | --program-pr=* | --program-p=*)
program_prefix="$ac_optarg" ;;
-program-suffix | --program-suffix | --program-suffi | --program-suff \
| --program-suf | --program-su | --program-s)
ac_prev=program_suffix ;;
-program-suffix=* | --program-suffix=* | --program-suffi=* \
| --program-suff=* | --program-suf=* | --program-su=* | --program-s=*)
program_suffix="$ac_optarg" ;;
-program-transform-name | --program-transform-name \
| --program-transform-nam | --program-transform-na \
| --program-transform-n | --program-transform- \
| --program-transform | --program-transfor \
| --program-transfo | --program-transf \
| --program-trans | --program-tran \
| --progr-tra | --program-tr | --program-t)
ac_prev=program_transform_name ;;
-program-transform-name=* | --program-transform-name=* \
| --program-transform-nam=* | --program-transform-na=* \
| --program-transform-n=* | --program-transform-=* \
| --program-transform=* | --program-transfor=* \
| --program-transfo=* | --program-transf=* \
| --program-trans=* | --program-tran=* \
| --progr-tra=* | --program-tr=* | --program-t=*)
program_transform_name="$ac_optarg" ;;
-q | -quiet | --quiet | --quie | --qui | --qu | --q \
| -silent | --silent | --silen | --sile | --sil)
silent=yes ;;
-srcdir | --srcdir | --srcdi | --srcd | --src | --sr)
ac_prev=srcdir ;;
-srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=*)
srcdir="$ac_optarg" ;;
-target | --target | --targe | --targ | --tar | --ta | --t)
ac_prev=target ;;
-target=* | --target=* | --targe=* | --targ=* | --tar=* | --ta=* | --t=*)
target="$ac_optarg" ;;
-v | -verbose | --verbose | --verbos | --verbo | --verb)
verbose=yes ;;
-version | --version | --versio | --versi | --vers)
echo "configure generated by autoconf version AC_ACVERSION"
exit 0 ;;
-with-* | --with-*)
ac_package=`echo $ac_option|sed -e 's/-*with-//' -e 's/=.*//'`
# Reject names that are not valid shell variable names.
changequote(, )dnl
if test -n "`echo $ac_package| sed 's/[-_a-zA-Z0-9]//g'`"; then
changequote([, ])dnl
AC_MSG_ERROR($ac_package: invalid package name)
fi
ac_package=`echo $ac_package| sed 's/-/_/g'`
case "$ac_option" in
*=*) ;;
*) ac_optarg=yes ;;
esac
eval "with_${ac_package}='$ac_optarg'" ;;
-without-* | --without-*)
ac_package=`echo $ac_option|sed -e 's/-*without-//'`
# Reject names that are not valid shell variable names.
changequote(, )dnl
if test -n "`echo $ac_package| sed 's/[-a-zA-Z0-9_]//g'`"; then
changequote([, ])dnl
AC_MSG_ERROR($ac_package: invalid package name)
fi
ac_package=`echo $ac_package| sed 's/-/_/g'`
eval "with_${ac_package}=no" ;;
--x)
# Obsolete; use --with-x.
with_x=yes ;;
-x-includes | --x-includes | --x-include | --x-includ | --x-inclu \
| --x-incl | --x-inc | --x-in | --x-i)
ac_prev=x_includes ;;
-x-includes=* | --x-includes=* | --x-include=* | --x-includ=* | --x-inclu=* \
| --x-incl=* | --x-inc=* | --x-in=* | --x-i=*)
x_includes="$ac_optarg" ;;
-x-libraries | --x-libraries | --x-librarie | --x-librari \
| --x-librar | --x-libra | --x-libr | --x-lib | --x-li | --x-l)
ac_prev=x_libraries ;;
-x-libraries=* | --x-libraries=* | --x-librarie=* | --x-librari=* \
| --x-librar=* | --x-libra=* | --x-libr=* | --x-lib=* | --x-li=* | --x-l=*)
x_libraries="$ac_optarg" ;;
-*) AC_MSG_ERROR([$ac_option: invalid option; use --help to show usage])
;;
*)
changequote(, )dnl
if test -n "`echo $ac_option| sed 's/[-a-z0-9.]//g'`"; then
changequote([, ])dnl
AC_MSG_WARN($ac_option: invalid host type)
fi
if test "x$nonopt" != xNONE; then
AC_MSG_ERROR(can only configure for one host and one target at a time)
fi
nonopt="$ac_option"
;;
esac
done
if test -n "$ac_prev"; then
AC_MSG_ERROR(missing argument to --`echo $ac_prev | sed 's/_/-/g'`)
fi
])dnl
dnl
dnl Try to have only one #! line, so the script doesn't look funny.
dnl AC_BINSH()
AC_DEFUN(AC_BINSH,
[#!/bin/sh
])dnl
dnl
dnl AC_INIT(UNIQUE-FILE-IN-SOURCE-DIR)
AC_DEFUN(AC_INIT,
[AC_REQUIRE([AC_BINSH])dnl
AC_INIT_NOTICE
AC_INIT_PARSE_ARGS
AC_INIT_PREPARE($1)])dnl
dnl
dnl AC_INIT_PREPARE(UNIQUE-FILE-IN-SOURCE-DIR)
AC_DEFUN(AC_INIT_PREPARE,
[AC_BEFORE([$0], [AC_ARG_ENABLE])dnl
AC_BEFORE([$0], [AC_ARG_WITH])dnl
AC_BEFORE([$0], [AC_CONFIG_HEADER])dnl
AC_BEFORE([$0], [AC_REVISION])dnl
AC_BEFORE([$0], [AC_PREREQ])dnl
dnl AC_BEFORE([$0], [AC_CONFIG_SUBDIRS])dnl
trap 'rm -fr conftest* confdefs* core $ac_clean_files; exit 1' 1 2 15
trap 'rm -fr confdefs* $ac_clean_files' 0
# File descriptor usage:
# 0 unused; standard input
# 1 file creation
# 2 errors and warnings
# 3 unused; some systems may open it to /dev/tty
define(AC_FD_MSG, 4)dnl
[#] AC_FD_MSG checking for... messages and results
define(AC_FD_CC, 5)dnl
[#] AC_FD_CC compiler messages saved in config.log
if test "$silent" = yes; then
exec AC_FD_MSG>/dev/null
else
exec AC_FD_MSG>&1
fi
exec AC_FD_CC>./config.log
echo "\
This file contains any messages produced by compilers while
running configure, to aid debugging if configure makes a mistake.
" 1>&AC_FD_CC
# Save the original args if we used an alternate arg parser.
ac_configure_temp="${configure_args-[$]@}"
# Strip out --no-create and --norecursion so they do not pile up.
# Also quote any args containing spaces.
configure_args=
for ac_arg in $ac_configure_temp; do
case "$ac_arg" in
-no-create | --no-create | --no-creat | --no-crea | --no-cre \
| --no-cr | --no-c) ;;
-norecursion | --norecursion | --norecursio | --norecursi \
| --norecurs | --norecur | --norecu | --norec | --nore | --nor) ;;
changequote(, )dnl
*[" "]*) configure_args="$configure_args '$ac_arg'" ;;
changequote([, ])dnl
*) configure_args="$configure_args $ac_arg" ;;
esac
done
# NLS nuisances.
# Only set LANG and LC_ALL to C if already set.
# These must not be set unconditionally because not all systems understand
# e.g. LANG=C (notably SCO).
if test "${LC_ALL+set}" = set; then LC_ALL=C; export LC_ALL; fi
if test "${LANG+set}" = set; then LANG=C; export LANG; fi
# confdefs.h avoids OS command line length limits that DEFS can exceed.
rm -rf conftest* confdefs.h
# AIX cpp loses on an empty file, so make sure it contains at least a newline.
echo > confdefs.h
# A filename unique to this package, relative to the directory that
# configure is in, which we can look for to find out if srcdir is correct.
ac_unique_file=$1
# Find the source files, if location was not specified.
if test -z "$srcdir"; then
ac_srcdir_defaulted=yes
# Try the directory containing this script, then its parent.
ac_prog=[$]0
changequote(, )dnl
ac_confdir=`echo $ac_prog|sed 's%/[^/][^/]*$%%'`
changequote([, ])dnl
test "x$ac_confdir" = "x$ac_prog" && ac_confdir=.
srcdir=$ac_confdir
if test ! -r $srcdir/$ac_unique_file; then
srcdir=..
fi
else
ac_srcdir_defaulted=no
fi
if test ! -r $srcdir/$ac_unique_file; then
if test "$ac_srcdir_defaulted" = yes; then
AC_MSG_ERROR(can not find sources in ${ac_confdir} or ..)
else
AC_MSG_ERROR(can not find sources in ${srcdir})
fi
fi
ifdef([AC_LIST_SUBDIRS], [subdirs="AC_LIST_SUBDIRS"
AC_SUBST(subdirs)])dnl
ifdef([AC_LIST_PREFIX_PROGRAM], [AC_PREFIX(AC_LIST_PREFIX_PROGRAM)])dnl
dnl Let the site file select an alternate cache file if it wants to.
AC_SITE_LOAD
AC_CACHE_LOAD
AC_LANG_C
undivert(AC_DIVERSION_ARG)dnl
dnl Substitute for predefined variables.
AC_SUBST(LIBS)dnl
AC_SUBST(prefix)dnl
AC_SUBST(exec_prefix)dnl
AC_SUBST(DEFS)dnl
])dnl
dnl
dnl AC_ARG_ENABLE(FEATURE, HELP-STRING, ACTION-IF-TRUE [, ACTION-IF-FALSE])
AC_DEFUN(AC_ARG_ENABLE,
[divert(AC_DIVERSION_HELP)dnl
$2
divert(AC_DIVERSION_ARG)dnl
AC_ENABLE_INTERNAL([$1], [$3], [$4])dnl
divert(AC_DIVERSION_NORMAL)dnl
])dnl
dnl
AC_DEFUN(AC_ENABLE,
[AC_OBSOLETE([$0], [; instead use AC_ARG_ENABLE before AC_INIT])dnl
AC_ENABLE_INTERNAL([$1], [$2], [$3])dnl
])dnl
dnl
dnl AC_ENABLE_INTERNAL(FEATURE, ACTION-IF-TRUE [, ACTION-IF-FALSE])
AC_DEFUN(AC_ENABLE_INTERNAL,
[[#] Check whether --enable-$1 or --disable-$1 was given.
enableval="[$enable_]patsubst($1, -, _)"
if test -n "$enableval"; then
ifelse([$2], , :, [$2])
ifelse([$3], , , [else
$3
])dnl
fi
])dnl
dnl
dnl AC_ARG_WITH(PACKAGE, HELP-STRING, ACTION-IF-TRUE [, ACTION-IF-FALSE])
AC_DEFUN(AC_ARG_WITH,
[divert(AC_DIVERSION_HELP)dnl
$2
divert(AC_DIVERSION_ARG)dnl
AC_WITH_INTERNAL([$1], [$3], [$4])dnl
divert(AC_DIVERSION_NORMAL)dnl
])dnl
dnl
AC_DEFUN(AC_WITH,
[AC_OBSOLETE([$0], [; instead use AC_ARG_WITH before AC_INIT])dnl
AC_WITH_INTERNAL([$1], [$2], [$3])dnl
])dnl
dnl
dnl AC_WITH_INTERNAL(PACKAGE, ACTION-IF-TRUE [, ACTION-IF-FALSE])
AC_DEFUN(AC_WITH_INTERNAL,
[[#] Check whether --with-$1 or --without-$1 was given.
withval="[$with_]patsubst($1, -, _)"
if test -n "$withval"; then
ifelse([$2], , :, [$2])
ifelse([$3], , , [else
$3
])dnl
fi
])dnl
dnl
dnl AC_CONFIG_HEADER(HEADER-TO-CREATE ...)
AC_DEFUN(AC_CONFIG_HEADER,
[define(AC_LIST_HEADERS, $1)])dnl
dnl
dnl AC_REVISION(REVISION-INFO)
AC_DEFUN(AC_REVISION,
[AC_REQUIRE([AC_BINSH])dnl
[# From configure.in] translit([$1], $")])dnl
dnl
dnl Subroutines of AC_PREREQ.
dnl
dnl Change the dots in NUMBER into commas.
dnl AC_PREREQ_SPLIT(NUMBER)
AC_DEFUN(AC_PREREQ_SPLIT,
[translit($1, ., [, ])])dnl
dnl
dnl Default the ternary version number to 0 (e.g., 1, 7 -> 1, 7, 0).
dnl AC_PREREQ_CANON(MAJOR, MINOR [,TERNARY])
AC_DEFUN(AC_PREREQ_CANON,
[$1, $2, ifelse([$3], , 0, [$3])])dnl
dnl
dnl Complain and exit if version number 1 is less than version number 2.
dnl PRINTABLE2 is the printable version of version number 2.
dnl AC_PREREQ_COMPARE(MAJOR1, MINOR1, TERNARY1, MAJOR2, MINOR2, TERNARY2,
dnl PRINTABLE2)
AC_DEFUN(AC_PREREQ_COMPARE,
[ifelse(builtin([eval],
[$3 + $2 * 100 + $1 * 10000 < $6 + $5 * 100 + $4 * 10000]), 1,
[errprint(Autoconf version $7 or higher is required
)m4exit(3)])])dnl
dnl
dnl Complain and exit if the Autoconf version is less than VERSION.
dnl AC_PREREQ(VERSION)
AC_DEFUN(AC_PREREQ,
[AC_PREREQ_COMPARE(AC_PREREQ_CANON(AC_PREREQ_SPLIT(AC_ACVERSION)),
AC_PREREQ_CANON(AC_PREREQ_SPLIT([$1])), [$1])])dnl
dnl
dnl Run configure in subdirectories DIR...
dnl Not actually done until AC_OUTPUT_SUBDIRS.
dnl AC_CONFIG_SUBDIRS(DIR ...)
AC_DEFUN(AC_CONFIG_SUBDIRS,
[AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl
define([AC_LIST_SUBDIRS], [$1])])dnl
dnl
dnl Guess the value for the `prefix' variable by looking for
dnl the argument program along PATH and taking its parent.
dnl Example: if the argument is `gcc' and we find /usr/local/gnu/bin/gcc,
dnl set `prefix' to /usr/local/gnu.
dnl AC_PREFIX_PROGRAM(PROGRAM)
AC_DEFUN(AC_PREFIX_PROGRAM,
[define([AC_LIST_PREFIX_PROGRAM], [$1])])dnl
AC_DEFUN(AC_PREFIX_INTERNAL,
[if test "x$prefix" = xNONE; then
changequote(<<, >>)dnl
define(<<AC_VAR_NAME>>, translit($1, [a-z], [A-Z]))dnl
changequote([, ])dnl
AC_PATH_PROG(AC_VAR_NAME, $1)
changequote(<<, >>)dnl
if test -n "$ac_cv_path_<<>>AC_VAR_NAME"; then
prefix=`echo $ac_cv_path_<<>>AC_VAR_NAME|sed 's%/[^/][^/]*/[^/][^/]*$%%'`
changequote([, ])dnl
fi
fi
undefine([AC_VAR_NAME])dnl
])dnl
AC_DEFUN(AC_PREFIX,
[AC_OBSOLETE([$0], [; instead use AC_PREFIX_PROGRAM before AC_INIT])dnl
AC_PREFIX_INTERNAL([$1])])dnl
dnl
dnl
dnl ### Canonicalizing the system type
dnl
dnl
dnl Find install.sh, config.sub, config.guess, and Cygnus configure
dnl in directory DIR. These are auxiliary files used in configuration.
dnl DIR can be either absolute or relative to ${srcdir}.
dnl AC_CONFIG_AUX_DIR(DIR)
AC_DEFUN(AC_CONFIG_AUX_DIR,
[AC_CONFIG_AUX_DIRS($1 ${srcdir}/$1)])dnl
dnl
dnl The default is `${srcdir}' or `${srcdir}/..' or `${srcdir}/../..'.
dnl There's no need to call this macro explicitly; just AC_REQUIRE it.
AC_DEFUN(AC_CONFIG_AUX_DIR_DEFAULT,
[AC_CONFIG_AUX_DIRS(${srcdir} ${srcdir}/.. ${srcdir}/../..)])dnl
dnl
dnl Internal subroutine.
dnl Search for the configuration auxiliary files in directory list $1.
dnl We look only for install.sh, so users of AC_PROG_INSTALL
dnl do not automatically need to distribute the other auxiliary files.
dnl AC_CONFIG_AUX_DIRS(DIR ...)
AC_DEFUN(AC_CONFIG_AUX_DIRS,
[ac_aux_dir=
for ac_dir in $1; do
if test -f $ac_dir/install.sh; then
ac_aux_dir=$ac_dir; break
fi
done
if test -z "$ac_aux_dir"; then
AC_MSG_ERROR([can not find install.sh in $1])
fi
ac_config_guess=${ac_aux_dir}/config.guess
ac_config_sub=${ac_aux_dir}/config.sub
ac_configure=${ac_aux_dir}/configure # This should be Cygnus configure.
ac_install_sh="${ac_aux_dir}/install.sh -c"
AC_PROVIDE([AC_CONFIG_AUX_DIR_DEFAULT])dnl
])dnl
dnl
dnl Canonicalize the host, target, and build system types.
AC_DEFUN(AC_CANONICAL_SYSTEM,
[AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl
# Do some error checking and defaulting for the host and target type.
# The inputs are:
# configure --host=HOST --target=TARGET --build=BUILD NONOPT
#
# The rules are:
# 1. You are not allowed to specify --host, --target, and nonopt at the
# same time.
# 2. Host defaults to nonopt.
# 3. If nonopt is not specified, then host defaults to the current host,
# as determined by config.guess.
# 4. Target defaults to nonopt.
# 5. If nonopt is not specified, then target defaults to host.
# 6. build defaults to empty (but implicitly to host).
# The aliases save the names the user supplied, while $host etc.
# will get canonicalized.
build_alias=$build
host_alias=$host
target_alias=$target
case $host_alias---$target_alias---$nonopt in
NONE---*---* | *---NONE---* | *---*---NONE) ;;
*) AC_MSG_ERROR(can only configure for one host and one target at a time) ;;
esac
# Make sure we can run config.sub.
if ${ac_config_sub} sun4 >/dev/null 2>&1; then :
else AC_MSG_ERROR(can not run ${ac_config_sub})
fi
AC_CANONICAL_HOST
AC_CANONICAL_TARGET
AC_CANONICAL_BUILD
])dnl
dnl
dnl Subroutines of AC_CANONICAL_SYSTEM.
dnl
AC_DEFUN(AC_CANONICAL_HOST,
[AC_MSG_CHECKING(host system type)
case "${host_alias}" in
NONE)
case $nonopt in
NONE)
if host_alias=`${ac_config_guess}`; then :
else AC_MSG_ERROR(can not guess host type; you must specify one)
fi ;;
*) host_alias=$nonopt ;;
esac ;;
esac
host=`${ac_config_sub} ${host_alias}`
host_cpu=`echo $host | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
host_vendor=`echo $host | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
host_os=`echo $host | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
AC_MSG_RESULT($host)
AC_SUBST(host)dnl
AC_SUBST(host_alias)dnl
AC_SUBST(host_cpu)dnl
AC_SUBST(host_vendor)dnl
AC_SUBST(host_os)dnl
])dnl
dnl
AC_DEFUN(AC_CANONICAL_TARGET,
[AC_MSG_CHECKING(target system type)
case "${target_alias}" in
NONE)
case $nonopt in
NONE) target_alias=$host_alias ;;
*) target_alias=$nonopt ;;
esac ;;
esac
target=`${ac_config_sub} ${target_alias}`
target_cpu=`echo $target | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
target_vendor=`echo $target | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
target_os=`echo $target | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
AC_MSG_RESULT($target)
AC_SUBST(target)dnl
AC_SUBST(target_alias)dnl
AC_SUBST(target_cpu)dnl
AC_SUBST(target_vendor)dnl
AC_SUBST(target_os)dnl
])dnl
dnl
AC_DEFUN(AC_CANONICAL_BUILD,
[AC_MSG_CHECKING(build system type)
case "${build_alias}" in
NONE) build= build_alias= ;;
*)
build=`${ac_config_sub} ${build_alias}`
build_cpu=`echo $build | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
build_vendor=`echo $build | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
build_os=`echo $build | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
;;
esac
AC_MSG_RESULT($build)
AC_SUBST(build)dnl
AC_SUBST(build_alias)dnl
AC_SUBST(build_cpu)dnl
AC_SUBST(build_vendor)dnl
AC_SUBST(build_os)dnl
])dnl
dnl
dnl Link each of the existing files FILE... to the corresponding
dnl link name in LINK...
dnl Not actually done until AC_OUTPUT_LINKS.
dnl AC_LINK_FILES(LINK ..., FILE ...)
AC_DEFUN(AC_LINK_FILES,
[define([AC_LIST_LINKS], [$1])define([AC_LIST_FILES], [$2])])dnl
dnl
dnl
dnl ### Caching test results
dnl
dnl
dnl Look for site or system specific initialization scripts.
dnl AC_SITE_LOAD()
AC_DEFUN(AC_SITE_LOAD,
[# Prefer explicitly selected file to automatically selected ones.
if test ! -r "$CONFIG_SITE"; then
if test "x$prefix" != xNONE; then
CONFIG_SITE=$prefix/lib/config.site
else
CONFIG_SITE=/usr/local/lib/config.site
fi
# System dependent files override system independent ones.
if test "x$exec_prefix" != xNONE && test "x$exec_prefix" != "x$prefix"; then
CONFIG_SITE="$CONFIG_SITE $exec_prefix/lib/config.site"
fi
fi
for ac_site_file in $CONFIG_SITE; do
if test -r "$ac_site_file"; then
echo "loading site script $ac_site_file"
. "$ac_site_file"
fi
done
])dnl
dnl
dnl AC_CACHE_LOAD()
AC_DEFUN(AC_CACHE_LOAD,
[if test -r "$cache_file"; then
echo "loading cache $cache_file"
. $cache_file
else
echo "creating cache $cache_file"
> $cache_file
fi
])dnl
dnl
dnl AC_CACHE_SAVE()
AC_DEFUN(AC_CACHE_SAVE,
[if test -w $cache_file; then
echo "updating cache $cache_file"
cat > $cache_file <<\EOF
# This file is a shell script that caches the results of configure
# tests run on this system so they can be shared between configure
# scripts and configure runs. It is not useful on other systems.
# If its contents are invalid for some reason, you may delete or edit it.
#
# By default, configure uses ./config.cache as the cache file,
# creating it if it does not exist already. You can give configure
# the --cache-file=FILE option to use a different cache file; that is
# what configure does when it calls configure scripts in
# subdirectories, so they share the cache.
# Giving --cache-file=/dev/null disables caching, for debugging configure.
# config.status only pays attention to the cache file if you give it the
# --recheck option to rerun configure.
EOF
changequote(, )dnl
dnl Allow a site initialization script to override cache values.
# Ultrix sh set writes to stderr and can't be redirected directly.
(set) 2>&1 | sed -n "s/^\([a-zA-Z0-9_]*_cv_[a-zA-Z0-9_]*\)=\(.*\)/\1=\${\1-'\2'}/p" >> $cache_file
changequote([, ])dnl
else
echo "not updating unwritable cache $cache_file"
fi
])dnl
dnl
dnl The name of shell var CACHE-ID must contain `_cv_' in order to get saved.
dnl AC_CACHE_VAL(CACHE-ID, COMMANDS-TO-SET-IT)
AC_DEFUN(AC_CACHE_VAL,
[AC_REQUIRE([AC_PROG_ECHO_N])dnl
dnl We used to use the below line, but it fails if the 1st arg is a
dnl shell variable, so we need the eval.
dnl if test "${$1+set}" = set; then
if eval "test \"`echo '${'$1'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&AC_FD_MSG
else
$2
fi
])dnl
dnl
dnl
dnl ### Setting variables
dnl
dnl
dnl Set VARIABLE to VALUE, verbatim, or 1.
dnl AC_DEFINE(VARIABLE [, VALUE])
AC_DEFUN(AC_DEFINE,
[cat >> confdefs.h <<\EOF
[#define] $1 ifelse($#, 2, [$2], 1)
EOF
])dnl
dnl
dnl Similar, but perform shell substitutions $ ` \ once on VALUE.
AC_DEFUN(AC_DEFINE_UNQUOTED,
[cat >> confdefs.h <<EOF
[#define] $1 ifelse($#, 2, [$2], 1)
EOF
])dnl
dnl
dnl This macro protects VARIABLE from being diverted twice
dnl if this macro is called twice for it.
dnl AC_SUBST(VARIABLE)
AC_DEFUN(AC_SUBST,
[ifdef([AC_SUBST_$1], ,
[define([AC_SUBST_$1], )dnl
divert(AC_DIVERSION_SED)dnl
s%@$1@%[$]$1%g
divert(AC_DIVERSION_NORMAL)dnl
])])dnl
dnl
dnl AC_SUBST_FILE(VARIABLE, FILE)
AC_DEFUN(AC_SUBST_FILE,
[if test -f $2; then
echo using $2 for $1)
AC_INSERT_FILE($1, $2)
elif test -f ${srcdir}/$2; then
echo using ${srcdir}/$2 for $1)
AC_INSERT_FILE($1, ${srcdir}/$2)
fi
])dnl
dnl Internal subroutine of AC_SUBST_FILE.
AC_DEFUN(AC_INSERT_FILE,
[ifdef([AC_SUBST_$1], ,
[define([AC_SUBST_$1], )dnl
divert(AC_DIVERSION_SED)dnl
/@$1@/r [$]$1
s%@$1@%%g
divert(AC_DIVERSION_NORMAL)dnl
])])dnl
dnl
dnl
dnl ### Printing messages
dnl
dnl
dnl AC_MSG_CHECKING(FEATURE-DESCRIPTION)
AC_DEFUN(AC_MSG_CHECKING,
[AC_REQUIRE([AC_PROG_ECHO_N])dnl
echo $ac_n "checking $1""... $ac_c" 1>&AC_FD_MSG])dnl
dnl
dnl AC_CHECKING(FEATURE-DESCRIPTION)
AC_DEFUN(AC_CHECKING,
[echo "checking $1" 1>&AC_FD_MSG])dnl
dnl
dnl AC_MSG_RESULT(RESULT-DESCRIPTION)
AC_DEFUN(AC_MSG_RESULT,
[AC_REQUIRE([AC_PROG_ECHO_N])dnl
echo "$ac_t""$1" 1>&AC_FD_MSG])dnl
dnl
dnl AC_VERBOSE(RESULT-DESCRIPTION)
AC_DEFUN(AC_VERBOSE,
[AC_OBSOLETE([$0], [; instead use AC_MSG_RESULT])dnl
echo " $1" 1>&AC_FD_MSG])dnl
dnl
dnl AC_MSG_WARN(PROBLEM-DESCRIPTION)
AC_DEFUN(AC_MSG_WARN,
[echo "configure: warning: $1" 1>&2])dnl
dnl
dnl AC_MSG_ERROR(ERROR-DESCRIPTION)
AC_DEFUN(AC_MSG_ERROR,
[{ echo "configure: $1" 1>&2; exit 1; }])dnl
dnl
dnl
dnl ### Selecting which language to use for testing
dnl
dnl
dnl AC_LANG_C()
AC_DEFUN(AC_LANG_C,
[define([AC_LANG], [C])dnl
ac_ext=c
# CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
ac_cpp='${CPP}'
ac_compile='${CC-cc} $CFLAGS $LDFLAGS conftest.${ac_ext} -o conftest $LIBS 1>&AC_FD_CC 2>&AC_FD_CC'
])dnl
dnl
dnl AC_LANG_CPLUSPLUS()
AC_DEFUN(AC_LANG_CPLUSPLUS,
[define([AC_LANG], [CPLUSPLUS])dnl
ac_ext=C
# CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
ac_cpp='${CXXCPP}'
ac_compile='${CXX-gcc} $CXXFLAGS $LDFLAGS conftest.${ac_ext} -o conftest $LIBS 1>&AC_FD_CC 2>&AC_FD_CC'
])dnl
dnl
dnl Push the current language on a stack.
dnl
dnl AC_LANG_SAVE()
AC_DEFUN(AC_LANG_SAVE,
[pushdef([AC_LANG_STACK], AC_LANG)])dnl
dnl
dnl Restore the current language from the stack.
dnl AC_LANG_RESTORE()
AC_DEFUN(AC_LANG_RESTORE,
[ifelse(AC_LANG_STACK, C, [ifelse(AC_LANG, C, , [AC_LANG_C])], [ifelse(AC_LANG, CPLUSPLUS, , [AC_LANG_CPLUSPLUS])])[]popdef([AC_LANG_STACK])])dnl
dnl
dnl
dnl ### Enforcing ordering constraints
dnl
dnl
dnl AC_BEFORE(THIS-MACRO-NAME, CALLED-MACRO-NAME)
AC_DEFUN(AC_BEFORE,
[ifdef([AC_PROVIDE_$2], [errprint(__file__:__line__: [$2 was called before $1
])])])dnl
dnl
dnl AC_REQUIRE(MACRO-NAME)
AC_DEFUN(AC_REQUIRE,
[ifdef([AC_PROVIDE_$1], , [indir([$1])])])dnl
dnl
dnl AC_PROVIDE(MACRO-NAME)
define(AC_PROVIDE,
[define([AC_PROVIDE_$1], )])dnl
dnl
dnl AC_OBSOLETE(THIS-MACRO-NAME [, SUGGESTION])
AC_DEFUN(AC_OBSOLETE,
[errprint(__file__:__line__: warning: [$1] is obsolete[$2]
)])dnl
dnl
dnl
dnl ### Checking for files - fundamental (caching)
dnl
dnl
dnl AC_CHECK_PROG(VARIABLE, PROG-TO-CHECK-FOR, VALUE-IF-FOUND
dnl [, VALUE-IF-NOT-FOUND])
AC_DEFUN(AC_CHECK_PROG,
[# Extract the first word of "$2", so it can be a program name with args.
set dummy $2; ac_word=[$]2
AC_MSG_CHECKING([for $ac_word])
AC_CACHE_VAL(ac_cv_prog_$1,
[if test -n "[$]$1"; then
ac_cv_prog_$1="[$]$1" # Let the user override the test.
else
IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:"
for ac_dir in $PATH; do
test -z "$ac_dir" && ac_dir=.
if test -f $ac_dir/$ac_word; then
ac_cv_prog_$1="$3"
break
fi
done
IFS="$ac_save_ifs"
dnl If no 4th arg is given, leave the cache variable unset,
dnl so AC_CHECK_PROGS will keep looking.
ifelse([$4], , , [ test -z "[$]ac_cv_prog_$1" && ac_cv_prog_$1="$4"
])dnl
fi])dnl
$1="$ac_cv_prog_$1"
if test -n "[$]$1"; then
AC_MSG_RESULT([$]$1)
else
AC_MSG_RESULT(no)
fi
AC_SUBST($1)dnl
])dnl
dnl
dnl AC_PATH_PROG(VARIABLE, PROG-TO-CHECK-FOR [, VALUE-IF-NOT-FOUND])
AC_DEFUN(AC_PATH_PROG,
[# Extract the first word of "$2", so it can be a program name with args.
set dummy $2; ac_word=[$]2
AC_MSG_CHECKING([for $ac_word])
AC_CACHE_VAL(ac_cv_path_$1,
[case "[$]$1" in
/*)
ac_cv_path_$1="[$]$1" # Let the user override the test with a path.
;;
*)
IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:"
for ac_dir in $PATH; do
test -z "$ac_dir" && ac_dir=.
if test -f $ac_dir/$ac_word; then
ac_cv_path_$1="$ac_dir/$ac_word"
break
fi
done
IFS="$ac_save_ifs"
dnl If no 3rd arg is given, leave the cache variable unset,
dnl so AC_PATH_PROGS will keep looking.
ifelse([$3], , , [ test -z "[$]ac_cv_path_$1" && ac_cv_path_$1="$3"
])dnl
;;
esac])dnl
$1="$ac_cv_path_$1"
if test -n "[$]$1"; then
AC_MSG_RESULT([$]$1)
else
AC_MSG_RESULT(no)
fi
AC_SUBST($1)dnl
])dnl
dnl
dnl
dnl ### Checking for files - derived (caching)
dnl
dnl
dnl AC_CHECK_PROGS(VARIABLE, PROGS-TO-CHECK-FOR [, VALUE-IF-NOT-FOUND])
AC_DEFUN(AC_CHECK_PROGS,
[for ac_prog in $2
do
AC_CHECK_PROG($1, [$]ac_prog, [$]ac_prog, )
test -n "[$]$1" && break
done
ifelse([$3], , , [test -n "[$]$1" || $1="$3"
])])dnl
dnl
dnl AC_PATH_PROGS(VARIABLE, PROGS-TO-CHECK-FOR [, VALUE-IF-NOT-FOUND])
AC_DEFUN(AC_PATH_PROGS,
[for ac_prog in $2
do
AC_PATH_PROG($1, [$]ac_prog)
test -n "[$]$1" && break
done
ifelse([$3], , , [test -n "[$]$1" || $1="$3"
])])dnl
dnl
dnl AC_CHECK_LIB(LIBRARY, FUNCTION, [, ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND
dnl [, OTHER-LIBRARIES]]])
AC_DEFUN(AC_CHECK_LIB,
[changequote(<<, >>)dnl
define(<<AC_LIB_NAME>>, dnl
patsubst(patsubst($1, <<lib\([^\.]*\)\.a>>, <<\1>>), <<-l>>, <<>>))dnl
define(<<AC_CV_NAME>>, ac_cv_lib_<<>>AC_LIB_NAME)dnl
changequote([, ])dnl
AC_MSG_CHECKING([for -l[]AC_LIB_NAME])
AC_CACHE_VAL(AC_CV_NAME,
[ac_save_LIBS="${LIBS}"
LIBS="${LIBS} -l[]AC_LIB_NAME[] $5"
AC_TRY_LINK( , [$2()], AC_CV_NAME=yes, AC_CV_NAME=no)dnl
LIBS="${ac_save_LIBS}"
])dnl
AC_MSG_RESULT($AC_CV_NAME)
if test "${AC_CV_NAME}" = yes; then
ifelse([$3], ,
[AC_DEFINE([HAVE_LIB]translit(AC_LIB_NAME, [a-z], [A-Z]))
LIBS="${LIBS} -l[]AC_LIB_NAME[]"
], [$3])
ifelse([$4], , , [else
$4
])dnl
fi
undefine([AC_LIB_NAME])dnl
undefine([AC_CV_NAME])dnl
])dnl
dnl
dnl AC_HAVE_LIBRARY(LIBRARY, [, ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND
dnl [, OTHER-LIBRARIES]]])
AC_DEFUN(AC_HAVE_LIBRARY,
[AC_OBSOLETE([$0], [; instead use AC_CHECK_LIB])dnl
AC_CHECK_LIB([$1], main, [$2], [$3], [$4])dnl
])dnl
dnl
dnl
dnl ### Checking for C features - fundamental (no caching)
dnl
dnl
dnl AC_EGREP_HEADER(PATTERN, HEADER-FILE, ACTION-IF-FOUND [,
dnl ACTION-IF-NOT-FOUND])
AC_DEFUN(AC_EGREP_HEADER,
[AC_EGREP_CPP([$1], [#include <$2>], [$3], [$4])])dnl
dnl
dnl Because this macro is used by AC_PROG_GCC_TRADITIONAL, which must
dnl come early, it is not included in AC_BEFORE checks.
dnl AC_EGREP_CPP(PATTERN, PROGRAM, ACTION-IF-FOUND [,
dnl ACTION-IF-NOT-FOUND])
AC_DEFUN(AC_EGREP_CPP,
[AC_REQUIRE_CPP()dnl
cat > conftest.${ac_ext} <<EOF
#include "confdefs.h"
[$2]
EOF
eval "$ac_cpp conftest.${ac_ext} > conftest.out 2>&1"
if egrep "$1" conftest.out >/dev/null 2>&1; then
ifelse([$3], , :, [rm -rf conftest*
$3])
ifelse([$4], , , [else
rm -rf conftest*
$4
])dnl
fi
rm -f conftest*
])dnl
dnl
dnl AC_COMPILE_CHECK(ECHO-TEXT, INCLUDES, FUNCTION-BODY,
dnl ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND])
AC_DEFUN(AC_COMPILE_CHECK,
[dnl It's actually ok to use this, if you don't care about caching.
dnl AC_OBSOLETE([$0], [; instead use AC_TRY_LINK])dnl
ifelse([$1], , , [AC_CHECKING([for $1])
])dnl
AC_TRY_LINK([$2], [$3], [$4], [$5])dnl
])dnl
dnl
dnl AC_TRY_LINK(INCLUDES, FUNCTION-BODY,
dnl ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND])
AC_DEFUN(AC_TRY_LINK,
[dnl We use return because because C++ requires a prototype for exit.
cat > conftest.${ac_ext} <<EOF
#include "confdefs.h"
[$1]
int main() { return 0; }
int t() {
[$2]
; return 0; }
EOF
if eval $ac_compile; then
ifelse([$3], , :, [rm -rf conftest*
$3])
ifelse([$4], , , [else
rm -rf conftest*
$4
])dnl
fi
rm -f conftest*]
)dnl
dnl
dnl AC_TRY_RUN(PROGRAM, ACTION-IF-TRUE [, ACTION-IF-FALSE
dnl [, ACTION-IF-CROSS-COMPILING]])
AC_DEFUN(AC_TRY_RUN,
[AC_REQUIRE([AC_C_CROSS])dnl
if test "$cross_compiling" = yes; then
ifelse([$4], , AC_MSG_ERROR(can not run test program while cross compiling),
[AC_MSG_WARN(using default for cross-compiling)
$4
])
else
cat > conftest.${ac_ext} <<EOF
#include "confdefs.h"
[$1]
EOF
eval $ac_compile
if test -s conftest && (./conftest; exit) 2>/dev/null; then
ifelse([$2], , :, [$2])
ifelse([$3], , , [else
$3
])dnl
fi
fi
rm -fr conftest*])dnl
dnl
dnl AC_TRY_CPP(INCLUDES, ACTION-IF-TRUE [, ACTION-IF-FALSE])
AC_DEFUN(AC_TRY_CPP,
[AC_REQUIRE_CPP()dnl
cat > conftest.${ac_ext} <<EOF
#include "confdefs.h"
[$1]
EOF
# Some shells (Coherent) do redirections in the wrong order, so need
# the parens.
ac_err=`eval "($ac_cpp conftest.${ac_ext} >/dev/null) 2>&1"`
if test -z "$ac_err"; then
ifelse([$2], , :, [rm -rf conftest*
$2])
ifelse([$3], , , [else
rm -rf conftest*
$3
])dnl
fi
rm -f conftest*])dnl
dnl
dnl
dnl ### Checking for C features - derived (caching)
dnl
dnl
dnl AC_CHECK_HEADER(HEADER-FILE, ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND])
AC_DEFUN(AC_CHECK_HEADER,
[dnl Do the transliteration at runtime so arg 1 can be a shell variable.
ac_var=`echo "$1" | tr './' '__'`
AC_MSG_CHECKING([for $1])
AC_CACHE_VAL(ac_cv_header_$ac_var,
[AC_TRY_CPP([#include <$1>], eval "ac_cv_header_$ac_var=yes",
eval "ac_cv_header_$ac_var=no")])dnl
if eval "test \"`echo '$ac_cv_header_'$ac_var`\" = yes"; then
AC_MSG_RESULT(yes)
ifelse([$2], , :, [$2])
else
AC_MSG_RESULT(no)
ifelse([$3], , , [$3
])dnl
fi
])dnl
dnl
dnl AC_CHECK_FUNC(FUNCTION, ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND])
AC_DEFUN(AC_CHECK_FUNC,
[AC_MSG_CHECKING([for $1])
AC_CACHE_VAL(ac_cv_func_$1,
[AC_TRY_LINK(
[#include <ctype.h> /* Arbitrary system header to define __stub macros. */], [
/* The GNU C library defines this for functions which it implements
to always fail with ENOSYS. Some functions are actually named
something starting with __ and the normal name is an alias. */
#if defined (__stub_$1) || defined (__stub___$1)
choke me
#else
/* Override any gcc2 internal prototype to avoid an error. */
extern char $1(); $1();
#endif
], eval "ac_cv_func_$1=yes", eval "ac_cv_func_$1=no")])dnl
if eval "test \"`echo '$ac_cv_func_'$1`\" = yes"; then
AC_MSG_RESULT(yes)
ifelse([$2], , :, [$2])
else
AC_MSG_RESULT(no)
ifelse([$3], , , [$3
])dnl
fi
])dnl
dnl
dnl AC_CHECK_FUNCS(FUNCTION... [, ACTION])
AC_DEFUN(AC_CHECK_FUNCS,
[for ac_func in $1
do
AC_CHECK_FUNC(${ac_func},
[changequote(, )dnl
ac_tr_func=HAVE_`echo $ac_func | tr '[a-z]' '[A-Z]'`
changequote([, ])dnl
AC_DEFINE_UNQUOTED(${ac_tr_func}) $2])dnl
done
])dnl
dnl
dnl AC_CHECK_HEADERS(HEADER-FILE... [, ACTION])
AC_DEFUN(AC_CHECK_HEADERS,
[AC_REQUIRE_CPP()dnl Make sure the cpp check happens outside the loop.
for ac_hdr in $1
do
AC_CHECK_HEADER(${ac_hdr},
[changequote(, )dnl
ac_tr_hdr=HAVE_`echo $ac_hdr | tr '[a-z]./' '[A-Z]__'`
changequote([, ])dnl
AC_DEFINE_UNQUOTED(${ac_tr_hdr}) $2])dnl
done
])dnl
dnl
dnl AC_REPLACE_FUNCS(FUNCTION-NAME...)
AC_DEFUN(AC_REPLACE_FUNCS,
[for ac_func in $1
do
AC_CHECK_FUNC(${ac_func}, , [LIBOBJS="$LIBOBJS ${ac_func}.o"])
done
AC_SUBST(LIBOBJS)dnl
])dnl
dnl
dnl AC_CHECK_SIZEOF(TYPE)
AC_DEFUN(AC_CHECK_SIZEOF,
[changequote(<<, >>)dnl
dnl The name to #define.
define(<<AC_TYPE_NAME>>, translit(sizeof_$1, [a-z *], [A-Z_P]))dnl
dnl The cache variable name.
define(<<AC_CV_NAME>>, translit(ac_cv_sizeof_$1, [ *], [_p]))dnl
changequote([, ])dnl
AC_MSG_CHECKING(size of $1)
AC_CACHE_VAL(AC_CV_NAME,
[AC_TRY_RUN([#include <stdio.h>
main()
{
FILE *f=fopen("conftestval", "w");
if (!f) exit(1);
fprintf(f, "%d\n", sizeof($1));
exit(0);
}], AC_CV_NAME=`cat conftestval`)])dnl
AC_MSG_RESULT($AC_CV_NAME)
AC_DEFINE_UNQUOTED(AC_TYPE_NAME, $AC_CV_NAME)
undefine([AC_TYPE_NAME])dnl
undefine([AC_CV_NAME])dnl
])dnl
dnl
dnl AC_CHECK_TYPE(TYPE, DEFAULT)
AC_DEFUN(AC_CHECK_TYPE,
[AC_MSG_CHECKING(for $1 in sys/types.h)
AC_CACHE_VAL(ac_cv_type_$1,
[AC_EGREP_HEADER($1, sys/types.h, ac_cv_type_$1=yes, ac_cv_type_$1=no)])dnl
AC_MSG_RESULT($ac_cv_type_$1)
if test $ac_cv_type_$1 = no; then
AC_DEFINE($1, $2)
fi
])dnl
dnl
dnl
dnl ### The big finish
dnl
dnl
dnl Produce config.status, config.h, and links, and configure subdirs.
dnl AC_OUTPUT([FILE...] [, EXTRA-CMDS])
AC_DEFUN(AC_OUTPUT,
[AC_CACHE_SAVE
test "x$prefix" = xNONE && prefix=/usr/local
# Let make expand exec_prefix.
test "x$exec_prefix" = xNONE && exec_prefix='${prefix}'
# Any assignment to VPATH causes Sun make to only execute
# the first set of double-colon rules, so remove it if not needed.
# If there is a colon in the path, we need to keep it.
if test "x$srcdir" = x.; then
changequote(, )dnl
ac_vpsub='/^[ ]*VPATH[ ]*=[^:]*$/d'
changequote([, ])dnl
fi
trap 'rm -f $CONFIG_STATUS conftest*; exit 1' 1 2 15
ifdef([AC_LIST_HEADERS], [DEFS=-DHAVE_CONFIG_H], [AC_OUTPUT_MAKE_DEFS()])
# Without the "./", some shells look in PATH for config.status.
: ${CONFIG_STATUS=./config.status}
echo creating ${CONFIG_STATUS}
rm -f ${CONFIG_STATUS}
cat > ${CONFIG_STATUS} <<EOF
#!/bin/sh
# Generated automatically by configure.
# Run this file to recreate the current configuration.
# This directory was configured as follows,
dnl hostname on some systems (SVR3.2, Linux) returns a bogus exit status,
dnl so uname gets run too.
# on host `(hostname || uname -n) 2>/dev/null | sed 1q`:
#
[#] [$]0 [$]configure_args
#
# Compiler output produced by configure, useful for debugging
# configure, is in ./config.log if it exists.
changequote(, )dnl
ac_cs_usage="Usage: ${CONFIG_STATUS} [--recheck] [--version] [--help]"
changequote([, ])dnl
for ac_option
do
case "[\$]ac_option" in
-recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r)
echo running [\$]{CONFIG_SHELL-/bin/sh} [$]0 [$]configure_args --no-create --norecursion
exec [\$]{CONFIG_SHELL-/bin/sh} [$]0 [$]configure_args --no-create --norecursion ;;
-version | --version | --versio | --versi | --vers | --ver | --ve | --v)
echo "${CONFIG_STATUS} generated by autoconf version AC_ACVERSION"
exit 0 ;;
-help | --help | --hel | --he | --h)
echo "[\$]ac_cs_usage"; exit 0 ;;
*) echo "[\$]ac_cs_usage"; exit 1 ;;
esac
done
ac_given_srcdir=$srcdir
ifdef([AC_LIST_HEADERS],
[trap 'rm -fr $1 AC_LIST_HEADERS conftest*; exit 1' 1 2 15],
[trap 'rm -f $1; exit 1' 1 2 15])
AC_OUTPUT_FILES($1)
ifdef([AC_LIST_HEADERS], [AC_OUTPUT_HEADER(AC_LIST_HEADERS)])dnl
ifdef([AC_LIST_LINKS], [AC_OUTPUT_LINKS(AC_LIST_LINKS, AC_LIST_FILES)])dnl
$2
exit 0
EOF
chmod +x ${CONFIG_STATUS}
test "$no_create" = yes || ${CONFIG_SHELL-/bin/sh} ${CONFIG_STATUS}
dnl config.status should not do recursion.
ifdef([AC_LIST_SUBDIRS], [AC_OUTPUT_SUBDIRS(AC_LIST_SUBDIRS)])dnl
])dnl
dnl
dnl This is a subroutine of AC_OUTPUT.
dnl AC_OUTPUT_MAKE_DEFS()
AC_DEFUN(AC_OUTPUT_MAKE_DEFS,
[# Transform confdefs.h into DEFS.
dnl Using a here document instead of a string reduces the quoting nightmare.
cat > conftest.defs <<\EOF
changequote(<<, >>)dnl
s%<<#define>> \([A-Za-z_][A-Za-z0-9_]*\) \(.*\)%-D\1=\2%g
# Protect against shell expansion while executing Makefile rules.
s%[ `~<<#>>$^&*(){}\\|;'"<>?]%\\&%g
s%\[%\\&%g
s%\]%\\&%g
# Protect against Makefile macro expansion.
s%\$%$$%g
# Protect against being on the right side of a sed subst in config.status.
s/[\\&%]/\\&/g
changequote([, ])dnl
EOF
DEFS=`sed -f conftest.defs confdefs.h | tr '\012' ' '`
rm -f conftest.defs
])dnl
dnl
dnl This is a subroutine of AC_OUTPUT. It is called inside an unquoted
dnl here document whose contents are going into config.status.
dnl AC_OUTPUT_FILES(FILE...)
AC_DEFUN(AC_OUTPUT_FILES,
[cat > conftest.subs <<\CEOF
dnl These here document variables are unquoted when configure runs
dnl but quoted when config.status runs, so variables are expanded once.
$ac_vpsub
dnl Shell code in configure.in might set extrasub.
$extrasub
dnl Insert the sed substitutions of variables.
undivert(AC_DIVERSION_SED)
CEOF
EOF
cat >> ${CONFIG_STATUS} <<\EOF
CONFIG_FILES=${CONFIG_FILES-"$1"}
for ac_file in .. ${CONFIG_FILES}; do if test "x$ac_file" != x..; then
# Support "outfile[:infile]", defaulting infile="outfile.in".
case "$ac_file" in
*:*) ac_file_in=`echo "$ac_file"|sed 's%.*:%%'`
ac_file=`echo "$ac_file"|sed 's%:.*%%'` ;;
*) ac_file_in="${ac_file}.in" ;;
esac
# Adjust relative srcdir, etc. for subdirectories.
# Remove last slash and all that follows it. Not all systems have dirname.
changequote(, )dnl
ac_dir=`echo $ac_file|sed 's%/[^/][^/]*$%%'`
changequote([, ])dnl
if test "$ac_dir" != "$ac_file" && test "$ac_dir" != .; then
# The file is in a subdirectory.
test ! -d "$ac_dir" && mkdir "$ac_dir"
ac_dir_suffix="/$ac_dir"
# A "../" for each directory in $ac_dir_suffix.
changequote(, )dnl
ac_dots=`echo $ac_dir_suffix|sed 's%/[^/]*%../%g'`
changequote([, ])dnl
else
ac_dir_suffix= ac_dots=
fi
case "$ac_given_srcdir" in
.) srcdir=.
if test -z "$ac_dots"; then top_srcdir=.
else top_srcdir=`echo $ac_dots|sed 's%/$%%'`; fi ;;
/*) srcdir="$ac_given_srcdir$ac_dir_suffix"; top_srcdir="$ac_given_srcdir" ;;
*) # Relative path.
srcdir="$ac_dots$ac_given_srcdir$ac_dir_suffix"
top_srcdir="$ac_dots$ac_given_srcdir" ;;
esac
ifdef([AC_PROVIDE_AC_PROG_INSTALL],
[ case "$ac_given_INSTALL" in
changequote(, )dnl
[/$]*) INSTALL="$ac_given_INSTALL" ;;
changequote([, ])dnl
*) INSTALL="$ac_dots$ac_given_INSTALL" ;;
esac
])dnl
echo creating "$ac_file"
rm -f "$ac_file"
comment_str="Generated automatically from `echo $ac_file_in|sed 's%.*/%%'` by configure."
case "$ac_file" in
*.c | *.h | *.C | *.cc | *.cpp | *.hpp | *.m )
ac_comsub="1i\\
/* $comment_str */" ;;
* ) # Add the comment on the second line of scripts, first line of others.
ac_comsub="
1{
s/^#!/&/
t script
i\\
# $comment_str
b done
: script
a\\
# $comment_str
: done
}
" ;;
esac
sed -e "$ac_comsub
s%@srcdir@%$srcdir%g
s%@top_srcdir@%$top_srcdir%g
ifdef([AC_PROVIDE_AC_PROG_INSTALL], [s%@INSTALL@%$INSTALL%g
])dnl
" -f conftest.subs $ac_given_srcdir/$ac_file_in > $ac_file
fi; done
rm -f conftest.subs
])dnl
dnl
dnl This is a subroutine of AC_OUTPUT. It is called inside a quoted
dnl here document whose contents are going into config.status.
dnl AC_OUTPUT_HEADER(HEADER-FILE...)
AC_DEFUN(AC_OUTPUT_HEADER,
[changequote(<<, >>)dnl
# These sed commands are passed to sed as "A NAME B NAME C VALUE D", where
# NAME is the cpp macro being defined and VALUE is the value it is being given.
#
# ac_d sets the value in "#define NAME VALUE" lines.
ac_dA='s%^\([ ]*\)#\([ ]*define[ ][ ]*\)'
ac_dB='\([ ][ ]*\)[^ ]*%\1#\2'
ac_dC='\3'
ac_dD='%g'
# ac_u turns "#undef NAME" with trailing blanks into "#define NAME VALUE".
ac_uA='s%^\([ ]*\)#\([ ]*\)undef\([ ][ ]*\)'
ac_uB='\([ ]\)%\1#\2define\3'
ac_uC=' '
ac_uD='\4%g'
# ac_e turns "#undef NAME" without trailing blanks into "#define NAME VALUE".
ac_eA='s%^\([ ]*\)#\([ ]*\)undef\([ ][ ]*\)'
ac_eB='<<$>>%\1#\2define\3'
ac_eC=' '
ac_eD='%g'
changequote([, ])dnl
CONFIG_HEADERS=${CONFIG_HEADERS-"$1"}
for ac_file in .. ${CONFIG_HEADERS}; do if test "x$ac_file" != x..; then
# Support "outfile[:infile]", defaulting infile="outfile.in".
case "$ac_file" in
*:*) ac_file_in=`echo "$ac_file"|sed 's%.*:%%'`
ac_file=`echo "$ac_file"|sed 's%:.*%%'` ;;
*) ac_file_in="${ac_file}.in" ;;
esac
echo creating $ac_file
rm -f conftest.frag conftest.in conftest.out
cp $ac_given_srcdir/$ac_file_in conftest.in
EOF
# Transform confdefs.h into a sed script conftest.vals that substitutes
# the proper values into config.h.in to produce config.h.
rm -f conftest.vals
dnl Using a here document instead of a string reduces the quoting nightmare.
cat > conftest.hdr <<\EOF
changequote(<<, >>)dnl
# Protect against being on the right side of a sed subst in config.status.
s/[\\&%]/\\&/g
# Protect against being in an unquoted here document in config.status.
s%[\\$`]%\\&%g
s%<<#define>> \([A-Za-z_][A-Za-z0-9_]*\) \(.*\)%${ac_dA}\1${ac_dB}\1${ac_dC}\2${ac_dD}%gp
s%ac_d%ac_u%gp
s%ac_u%ac_e%gp
changequote([, ])dnl
EOF
sed -n -f conftest.hdr confdefs.h > conftest.vals
rm -f conftest.hdr
# This sed command replaces #undef with comments. This is necessary, for
# example, in the case of _POSIX_SOURCE, which is predefined and required
# on some systems where configure will not decide to define it.
cat >> conftest.vals <<\EOF
changequote(, )dnl
s%^[ ]*#[ ]*undef[ ][ ]*[a-zA-Z_][a-zA-Z_0-9]*%/* & */%
changequote([, ])dnl
EOF
# Break up conftest.vals because some shells have a limit on
# the size of here documents, and old seds have small limits too.
# Maximum number of lines to put in a single here document.
ac_max_here_lines=12
rm -f conftest.tail
while :
do
ac_lines=`grep -c . conftest.vals`
# grep -c gives empty output for an empty file on some AIX systems.
if test -z "$ac_lines" || test "$ac_lines" -eq 0; then break; fi
# Write a limited-size here document to conftest.frag.
echo ' cat > conftest.frag <<CEOF' >> ${CONFIG_STATUS}
sed ${ac_max_here_lines}q conftest.vals >> ${CONFIG_STATUS}
echo 'CEOF
sed -f conftest.frag conftest.in > conftest.out
mv conftest.out conftest.in
' >> ${CONFIG_STATUS}
sed 1,${ac_max_here_lines}d conftest.vals > conftest.tail
mv conftest.tail conftest.vals
done
rm -f conftest.vals
# Now back to your regularly scheduled config.status.
cat >> ${CONFIG_STATUS} <<\EOF
rm -f conftest.frag conftest.h
echo "/* $ac_file. Generated automatically by configure. */" > conftest.h
cat conftest.in >> conftest.h
rm -f conftest.in
if cmp -s $ac_file conftest.h 2>/dev/null; then
echo "$ac_file is unchanged"
rm -f conftest.h
else
rm -f $ac_file
mv conftest.h $ac_file
fi
fi; done
])dnl
dnl
dnl AC_OUTPUT_LINKS(DEST..., SOURCE...)
AC_DEFUN(AC_OUTPUT_LINKS,
[ac_links="$1"
ac_files="$2"
while test -n "${ac_files}"; do
set ${ac_links}; ac_link=[$]1; shift; ac_links=[$]*
set ${ac_files}; ac_file=[$]1; shift; ac_files=[$]*
echo "linking ${ac_link} to ${srcdir}/${ac_file}"
if test ! -r ${srcdir}/${ac_file}; then
AC_MSG_ERROR(${srcdir}/${ac_file}: File not found)
fi
rm -f ${ac_link}
# Make a symlink if possible; otherwise try a hard link.
if ln -s ${srcdir}/${ac_file} ${ac_link} 2>/dev/null ||
ln ${srcdir}/${ac_file} ${ac_link}; then :
else
AC_MSG_ERROR(can not link ${ac_link} to ${srcdir}/${ac_file})
fi
done
])dnl
dnl
dnl AC_OUTPUT_SUBDIRS(DIRECTORY...)
AC_DEFUN(AC_OUTPUT_SUBDIRS,
[if test -z "${norecursion}"; then
# Remove --cache-file and --srcdir arguments so they do not pile up.
ac_sub_configure_args=
ac_prev=
for ac_arg in $configure_args; do
if test -n "$ac_prev"; then
ac_prev=
continue
fi
case "$ac_arg" in
-cache-file | --cache-file | --cache-fil | --cache-fi \
| --cache-f | --cache- | --cache | --cach | --cac | --ca | --c)
ac_prev=cache_file ;;
-cache-file=* | --cache-file=* | --cache-fil=* | --cache-fi=* \
| --cache-f=* | --cache-=* | --cache=* | --cach=* | --cac=* | --ca=* | --c=*)
;;
-srcdir | --srcdir | --srcdi | --srcd | --src | --sr)
ac_prev=srcdir ;;
-srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=*)
;;
changequote(, )dnl
*[" "]*) ac_sub_configure_args="$ac_sub_configure_args '$ac_arg'" ;;
changequote([, ])dnl
*) ac_sub_configure_args="$ac_sub_configure_args $ac_arg" ;;
esac
done
for ac_config_dir in $1; do
# Do not complain, so a configure script can configure whichever
# parts of a large source tree are present.
if test ! -d ${srcdir}/${ac_config_dir}; then
continue
fi
echo configuring ${ac_config_dir}
case "${srcdir}" in
.) ;;
*)
if test -d ./${ac_config_dir} || mkdir ./${ac_config_dir}; then :;
else
AC_MSG_ERROR(can not create `pwd`/${ac_config_dir})
fi
;;
esac
ac_popdir=`pwd`
cd ${ac_config_dir}
case "${srcdir}" in
.) # No --srcdir option. We are building in place.
ac_sub_srcdir=${srcdir} ;;
/*) # Absolute path.
ac_sub_srcdir=${srcdir}/${ac_config_dir} ;;
*) # Relative path.
ac_sub_srcdir=../${srcdir}/${ac_config_dir} ;;
esac
# Check for guested configure; otherwise get Cygnus style configure.
if test -f ${ac_sub_srcdir}/configure; then
ac_sub_configure=${ac_sub_srcdir}/configure
elif test -f ${ac_sub_srcdir}/configure.in; then
ac_sub_configure=${ac_configure}
else
AC_MSG_WARN(no configuration information is in ${ac_config_dir})
ac_sub_configure=
fi
# The recursion is here.
if test -n "${ac_sub_configure}"; then
# Make the cache file name correct relative to the subdirectory.
changequote(, )dnl
# A "../" for each directory in /${ac_config_dir}.
ac_dots=`echo /${ac_config_dir}|sed 's%/[^/]*%../%g'`
changequote([, ])dnl
case "$cache_file" in
/*) ac_sub_cache_file=$cache_file ;;
*) # Relative path.
ac_sub_cache_file="$ac_dots$cache_file" ;;
esac
echo "[running ${CONFIG_SHELL-/bin/sh} ${ac_sub_configure} ${ac_sub_configure_args} --cache-file=$ac_sub_cache_file] --srcdir=${ac_sub_srcdir}"
if ${CONFIG_SHELL-/bin/sh} ${ac_sub_configure} ${ac_sub_configure_args} --cache-file=$ac_sub_cache_file --srcdir=${ac_sub_srcdir}
then :
else
AC_MSG_ERROR(${ac_sub_configure} failed for ${ac_config_dir})
fi
fi
cd ${ac_popdir}
done
fi
])dnl
dnl
Reference in New Issue View Git Blame Copy Permalink