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M4 Source File | 1994-12-23 | 59.5 KB | 2,023 lines

dnl Parameterized macros. 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 As a special exception, the Free Software Foundation gives unlimited dnl permission to copy, distribute and modify the configure scripts that dnl are the output of Autoconf. You need not follow the terms of the GNU dnl General Public License when using or distributing such scripts, even dnl though portions of the text of Autoconf appear in them. The GNU dnl General Public License (GPL) does govern all other use of the material dnl that constitutes the Autoconf program. dnl dnl Certain portions of the Autoconf source text are designed to be copied dnl (in certain cases, depending on the input) into the output of dnl Autoconf. We call these the "data" portions. The rest of the Autoconf dnl source text consists of comments plus executable code that decides which dnl of the data portions to output in any given case. We call these dnl comments and executable code the "non-data" portions. Autoconf never dnl copies any of the non-data portions into its output. dnl dnl This special exception to the GPL applies to versions of Autoconf dnl released by the Free Software Foundation. When you make and dnl distribute a modified version of Autoconf, you may extend this special dnl exception to the GPL to apply to your modified version as well, *unless* dnl your modified version has the potential to copy into its output some dnl of the text that was the non-data portion of the version that you started dnl with. (In other words, unless your change moves or copies text from dnl the non-data portions to the data portions.) If your modification has dnl such potential, you must delete any notice of this special exception dnl to the GPL from your modified version. 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, david d zuhn, and many others. dnl divert(-1)dnl Throw away output until AC_INIT is called. changequote([, ]) define(AC_ACVERSION, 2.1) 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)]) undefine([eval]) undefine([include]) undefine([shift]) undefine([format]) dnl ### Defining macros dnl m4 output diversions. We let m4 output them all in order at the end, dnl except that we explicitly undivert AC_DIVERSION_SED. dnl AC_DIVERSION_NOTICE - 1 (= 0) AC_REQUIRE'd #!/bin/sh line define(AC_DIVERSION_NOTICE, 1)dnl copyright notice & option help strings define(AC_DIVERSION_INIT, 2)dnl initialization code define(AC_DIVERSION_SED, 3)dnl variable substitutions in config.status define(AC_DIVERSION_NORMAL_4, 4)dnl AC_REQUIRE'd code, 4 level deep define(AC_DIVERSION_NORMAL_3, 5)dnl AC_REQUIRE'd code, 3 level deep define(AC_DIVERSION_NORMAL_2, 6)dnl AC_REQUIRE'd code, 2 level deep define(AC_DIVERSION_NORMAL_1, 7)dnl AC_REQUIRE'd code, 1 level deep define(AC_DIVERSION_NORMAL, 8)dnl the tests and output code dnl Change the diversion stream to STREAM, while stacking old values. dnl AC_DIVERT_PUSH(STREAM) define(AC_DIVERT_PUSH, [pushdef([AC_DIVERSION_CURRENT], $1)dnl divert(AC_DIVERSION_CURRENT)dnl ]) dnl Change the diversion stream to its previous value, unstacking it. dnl AC_DIVERT_POP() define(AC_DIVERT_POP, [popdef([AC_DIVERSION_CURRENT])dnl divert(AC_DIVERSION_CURRENT)dnl ]) dnl Initialize the diversion setup. define([AC_DIVERSION_CURRENT], AC_DIVERSION_NORMAL) dnl This will be popped by AC_REQUIRE in AC_INIT. pushdef([AC_DIVERSION_CURRENT], AC_DIVERSION_NOTICE) dnl The prologue for Autoconf macros. dnl AC_PRO(MACRO-NAME) define(AC_PRO, [define([AC_PROVIDE_$1], )dnl ifelse(AC_DIVERSION_CURRENT, AC_DIVERSION_NORMAL, [AC_DIVERT_PUSH(builtin(eval, AC_DIVERSION_CURRENT - 1))], [pushdef([AC_DIVERSION_CURRENT], AC_DIVERSION_CURRENT)])dnl ]) dnl The Epilogue for Autoconf macros. dnl AC_EPI() define(AC_EPI, [AC_DIVERT_POP()dnl ifelse(AC_DIVERSION_CURRENT, AC_DIVERSION_NORMAL, [undivert(AC_DIVERSION_NORMAL_4)dnl undivert(AC_DIVERSION_NORMAL_3)dnl undivert(AC_DIVERSION_NORMAL_2)dnl undivert(AC_DIVERSION_NORMAL_1)dnl ])dnl ]) dnl Define a macro which automatically provides itself. Add machinery dnl so the macro automatically switches expansion to the diversion dnl stack if it is not already using it. In this case, once finished, dnl it will bring back all the code accumulated in the diversion stack. dnl This, combined with AC_REQUIRE, achieves the topological ordering of dnl macros. We don't use this macro to define some frequently called dnl macros that are not involved in ordering constraints, to save m4 dnl processing. dnl AC_DEFUN(NAME, EXPANSION) define([AC_DEFUN], [define($1, [AC_PRO([$1])$2[]AC_EPI()])]) dnl ### Initialization 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) 1992, 1993, 1994 Free Software Foundation, Inc. # # This configure script is free software; the Free Software Foundation # gives unlimited permission to copy, distribute and modify it. # Defaults: ac_help= ac_default_prefix=/gnu [#] Any additions from configure.in:]) dnl AC_PREFIX_DEFAULT(PREFIX) AC_DEFUN(AC_PREFIX_DEFAULT, [AC_DIVERT_PUSH(AC_DIVERSION_NOTICE)dnl ac_default_prefix=$1 AC_DIVERT_POP()]) dnl AC_INIT_PARSE_ARGS() AC_DEFUN(AC_INIT_PARSE_ARGS, [ # Initialize some variables set by options. # The variables have the same names as the options, with # dashes changed to underlines. build=NONE cache_file=./config.cache exec_prefix=NONE host=NONE no_create= nonopt=NONE no_recursion= prefix=NONE program_prefix=NONE program_suffix=NONE program_transform_name=s,x,x, silent= site= srcdir= target=NONE verbose= x_includes=NONE x_libraries=NONE # Initialize some other variables. subdirs= ac_prev= for ac_option do # If the previous option needs an argument, assign it. if test -n "$ac_prev"; then eval "$ac_prev=\$ac_option" ac_prev= continue fi case "$ac_option" in changequote(, )dnl -*=*) ac_optarg=`/bin/echo "$ac_option" | sed 's/[-_a-zA-Z0-9]*=//'` ;; changequote([, ])dnl *) ac_optarg= ;; esac # Accept the important Cygnus configure options, so we can diagnose typos. case "$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=`/bin/echo $ac_option|sed -e 's/-*disable-//'` # Reject names that are not valid shell variable names. changequote(, )dnl if test -n "`/bin/echo $ac_feature| sed 's/[-a-zA-Z0-9_]//g'`"; then changequote([, ])dnl AC_MSG_ERROR($ac_feature: invalid feature name) fi ac_feature=`/bin/echo $ac_feature| sed 's/-/_/g'` eval "enable_${ac_feature}=no" ;; -enable-* | --enable-*) ac_feature=`/bin/echo $ac_option|sed -e 's/-*enable-//' -e 's/=.*//'` # Reject names that are not valid shell variable names. changequote(, )dnl if test -n "`/bin/echo $ac_feature| sed 's/[-_a-zA-Z0-9]//g'`"; then changequote([, ])dnl AC_MSG_ERROR($ac_feature: invalid feature name) fi ac_feature=`/bin/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="$ac_optarg" ;; -gas | --gas | --ga | --g) # Obsolete; use --with-gas. with_gas=yes ;; -help | --help | --hel | --he) # Omit some internal or obsolete options to make the list less imposing. # This message is too long to be a string in the A/UX 3.1 sh. cat << EOF changequote(, )dnl Usage: configure [options] [host] Options: [defaults in brackets after descriptions] Configuration: --cache-file=FILE cache test results in FILE --help print this message --no-create do not create output files --quiet, --silent do not print \`checking...' messages --version print the version of autoconf that created configure Directory and file names: --prefix=PREFIX install architecture-independent files in PREFIX [$ac_default_prefix] --exec-prefix=PREFIX install architecture-dependent files in PREFIX [same as prefix] --srcdir=DIR find the sources in DIR [configure dir or ..] --program-prefix=PREFIX prepend PREFIX to installed program names --program-suffix=SUFFIX append SUFFIX to installed program names --program-transform-name=PROGRAM run sed PROGRAM on installed program names 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 and --with options recognized:$ac_help changequote([, ])dnl EOF exit 0 ;; -host | --host | --hos | --ho) ac_prev=host ;; -host=* | --host=* | --hos=* | --ho=*) host="$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 ;; -no-recursion | --no-recursion | --no-recursio | --no-recursi \ | --no-recurs | --no-recur | --no-recu | --no-rec | --no-re | --no-r) no_recursion=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 ;; -site | --site | --sit) ac_prev=site ;; -site=* | --site=* | --sit=*) site="$ac_optarg" ;; -srcdir | --srcdir | --srcdi | --srcd | --src | --sr) ac_prev=srcdir ;; -srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=*) srcdir="$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=`/bin/echo $ac_option|sed -e 's/-*with-//' -e 's/=.*//'` # Reject names that are not valid shell variable names. changequote(, )dnl if test -n "`/bin/echo $ac_package| sed 's/[-_a-zA-Z0-9]//g'`"; then changequote([, ])dnl AC_MSG_ERROR($ac_package: invalid package name) fi ac_package=`/bin/echo $ac_package| sed 's/-/_/g'` case "$ac_option" in *=*) ;; *) ac_optarg=yes ;; esac eval "with_${ac_package}='$ac_optarg'" ;; -without-* | --without-*) ac_package=`/bin/echo $ac_option|sed -e 's/-*without-//'` # Reject names that are not valid shell variable names. changequote(, )dnl if test -n "`/bin/echo $ac_package| sed 's/[-a-zA-Z0-9_]//g'`"; then changequote([, ])dnl AC_MSG_ERROR($ac_package: invalid package name) fi ac_package=`/bin/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 "`/bin/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 --`/bin/echo $ac_prev | sed 's/_/-/g'`) fi ]) dnl Try to have only one #! line, so the script doesn't look funny dnl for users of AC_REVISION. dnl AC_INIT_BINSH() AC_DEFUN(AC_INIT_BINSH, [#!/bin/sh ]) dnl AC_INIT(UNIQUE-FILE-IN-SOURCE-DIR) AC_DEFUN(AC_INIT, [sinclude(acsite.m4)dnl sinclude(./aclocal.m4)dnl AC_REQUIRE([AC_INIT_BINSH])dnl AC_INIT_NOTICE AC_DIVERT_POP()dnl to NORMAL AC_DIVERT_PUSH(AC_DIVERSION_INIT)dnl AC_INIT_PARSE_ARGS AC_INIT_PREPARE($1)dnl AC_DIVERT_POP()dnl to NORMAL ]) dnl AC_INIT_PREPARE(UNIQUE-FILE-IN-SOURCE-DIR) AC_DEFUN(AC_INIT_PREPARE, [trap 'rm -fr conftest* confdefs* core $ac_clean_files; exit 1' 1 2 15 # File descriptor usage: # 0 unused; standard input # 1 file creation # 2 errors and warnings # 3 unused; some systems may open it to /dev/tty define(AC_FD_MSG, 4)dnl [#] AC_FD_MSG checking for... messages and results define(AC_FD_CC, 5)dnl [#] AC_FD_CC compiler messages saved in config.log if test "$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 # Strip out --no-create and --no-recursion so they do not pile up. # Also quote any args containing shell metacharacters. ac_configure_args= for ac_arg do case "$ac_arg" in -no-create | --no-create | --no-creat | --no-crea | --no-cre \ | --no-cr | --no-c) ;; -no-recursion | --no-recursion | --no-recursio | --no-recursi \ | --no-recurs | --no-recur | --no-recu | --no-rec | --no-re | --no-r) ;; changequote(<<, >>)dnl dnl If you change this globbing pattern, test it on an old shell -- dnl it's sensitive. Putting any kind of quote in it causes syntax errors. *" "*|*" "*|*[\[\]\~\<<#>>\$\^\&\*\{\}\\\|\;\<\>\?]*) ac_configure_args="$ac_configure_args '$ac_arg'" ;; changequote([, ])dnl *) ac_configure_args="$ac_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. /bin/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=`/bin/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 $srcdir) fi fi dnl Double slashes in pathnames in object file debugging info dnl mess up M-x gdb in Emacs. changequote(, )dnl srcdir=`/bin/echo "${srcdir}" | sed 's%$[^/]$/*$%\1%'` changequote([, ])dnl dnl Let the site file select an alternate cache file if it wants to. AC_SITE_LOAD AC_CACHE_LOAD AC_LANG_C AC_PROG_ECHO_N dnl Substitute for predefined variables. AC_SUBST(CFLAGS)dnl AC_SUBST(CPPFLAGS)dnl AC_SUBST(CXXFLAGS)dnl AC_SUBST(DEFS)dnl AC_SUBST(LDFLAGS)dnl AC_SUBST(LIBS)dnl AC_SUBST(exec_prefix)dnl AC_SUBST(prefix)dnl AC_SUBST(program_transform_name)dnl ]) dnl ### Selecting optional features dnl AC_ARG_ENABLE(FEATURE, HELP-STRING, ACTION-IF-TRUE [, ACTION-IF-FALSE]) AC_DEFUN(AC_ARG_ENABLE, [AC_DIVERT_PUSH(AC_DIVERSION_NOTICE)dnl ac_help="$ac_help [$2]" AC_DIVERT_POP()dnl [#] Check whether --enable-$1 or --disable-$1 was given. enableval="[$enable_]patsubst($1, -, _)" if test -n "$enableval"; then ifelse([$3], , :, [$3]) ifelse([$4], , , [else $4 ])dnl fi ]) AC_DEFUN(AC_ENABLE, [AC_OBSOLETE([$0], [; instead use AC_ARG_ENABLE])dnl AC_ARG_ENABLE([$1], [ --enable-$1], [$2], [$3])dnl ]) dnl ### Working with optional software dnl AC_ARG_WITH(PACKAGE, HELP-STRING, ACTION-IF-TRUE [, ACTION-IF-FALSE]) AC_DEFUN(AC_ARG_WITH, [AC_DIVERT_PUSH(AC_DIVERSION_NOTICE)dnl ac_help="$ac_help [$2]" AC_DIVERT_POP()dnl [#] Check whether --with-$1 or --without-$1 was given. withval="[$with_]patsubst($1, -, _)" if test -n "$withval"; then ifelse([$3], , :, [$3]) ifelse([$4], , , [else $4 ])dnl fi ]) AC_DEFUN(AC_WITH, [AC_OBSOLETE([$0], [; instead use AC_ARG_WITH])dnl AC_ARG_WITH([$1], [ --with-$1], [$2], [$3])dnl ]) dnl ### Transforming program names. dnl AC_ARG_PROGRAM() AC_DEFUN(AC_ARG_PROGRAM, [if test "$program_transform_name" = s,x,x,; then program_transform_name= else # Double any \ or $. echo 's,\\,\\\\,g; s,\$,$$,g' > conftestsed program_transform_name="`/bin/echo $program_transform_name|sed -f conftestsed`" rm -f conftestsed fi test "$program_prefix" != NONE && program_transform_name="s,^,${program_prefix},; $program_transform_name" # Use a double $ so make ignores it. test "$program_suffix" != NONE && program_transform_name="s,\$\$,${program_suffix},; $program_transform_name" # sed with no file args requires a program. test "$program_transform_name" = "" && program_transform_name="s,x,x," ]) dnl ### Version numbers dnl AC_REVISION(REVISION-INFO) AC_DEFUN(AC_REVISION, [AC_REQUIRE([AC_INIT_BINSH])dnl [# From configure.in] translit([$1], $")]) dnl Subroutines of AC_PREREQ. dnl Change the dots in NUMBER into commas. dnl AC_PREREQ_SPLIT(NUMBER) define(AC_PREREQ_SPLIT, [translit($1, ., [, ])]) dnl Default the ternary version number to 0 (e.g., 1, 7 -> 1, 7, 0). dnl AC_PREREQ_CANON(MAJOR, MINOR [,TERNARY]) define(AC_PREREQ_CANON, [$1, $2, ifelse([$3], , 0, [$3])]) 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) define(AC_PREREQ_COMPARE, [ifelse(builtin([eval], [$3 + $2 * 1000 + $1 * 1000000 < $6 + $5 * 1000 + $4 * 1000000]), 1, [errprint(Autoconf version $7 or higher is required for this script )m4exit(3)])]) dnl Complain and exit if the Autoconf version is less than VERSION. dnl AC_PREREQ(VERSION) define(AC_PREREQ, [AC_PREREQ_COMPARE(AC_PREREQ_CANON(AC_PREREQ_SPLIT(AC_ACVERSION)), AC_PREREQ_CANON(AC_PREREQ_SPLIT([$1])), [$1])]) dnl ### Getting the canonical system type 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 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 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 ac_install_sh="$ac_aux_dir/install-sh -c" break elif test -f $ac_dir/install.sh; then ac_aux_dir=$ac_dir ac_install_sh="$ac_aux_dir/install.sh -c" break fi done if test -z "$ac_aux_dir"; then AC_MSG_ERROR([can not find install-sh or 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_PROVIDE([AC_CONFIG_AUX_DIR_DEFAULT])dnl ]) dnl Canonicalize the host, target, and build system types. AC_DEFUN(AC_CANONICAL_SYSTEM, [AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl AC_BEFORE([$0], [AC_ARG_PROGRAM]) # 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 and build default to nonopt. # 5. If nonopt is not specified, then target and build default to host. # The aliases save the names the user supplied, while $host etc. # will get canonicalized. case $host---$target---$nonopt in NONE---*---* | *---NONE---* | *---*---NONE) ;; *) AC_MSG_ERROR(can only configure for one host and one target at a time) ;; esac AC_CANONICAL_HOST AC_CANONICAL_TARGET AC_CANONICAL_BUILD test "$host_alias" != "$target_alias" && test "$program_prefix$program_suffix$program_transform_name" = \ NONENONEs,x,x, && program_prefix=${target_alias}- ]) dnl Subroutines of AC_CANONICAL_SYSTEM. AC_DEFUN(AC_CANONICAL_HOST, [AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl # 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_MSG_CHECKING(host system type) host_alias=$host 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=`/bin/echo $host | sed 's/^$.*$-$.*$-$.*$$/\1/'` host_vendor=`/bin/echo $host | sed 's/^$.*$-$.*$-$.*$$/\2/'` host_os=`/bin/echo $host | sed 's/^$.*$-$.*$-$.*$$/\3/'` AC_MSG_RESULT($host) AC_SUBST(host)dnl AC_SUBST(host_alias)dnl AC_SUBST(host_cpu)dnl AC_SUBST(host_vendor)dnl AC_SUBST(host_os)dnl ]) dnl Internal use only. AC_DEFUN(AC_CANONICAL_TARGET, [AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl AC_MSG_CHECKING(target system type) target_alias=$target 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=`/bin/echo $target | sed 's/^$.*$-$.*$-$.*$$/\1/'` target_vendor=`/bin/echo $target | sed 's/^$.*$-$.*$-$.*$$/\2/'` target_os=`/bin/echo $target | sed 's/^$.*$-$.*$-$.*$$/\3/'` AC_MSG_RESULT($target) AC_SUBST(target)dnl AC_SUBST(target_alias)dnl AC_SUBST(target_cpu)dnl AC_SUBST(target_vendor)dnl AC_SUBST(target_os)dnl ]) dnl Internal use only. AC_DEFUN(AC_CANONICAL_BUILD, [AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl AC_MSG_CHECKING(build system type) build_alias=$build case "$build_alias" in NONE) case $nonopt in NONE) build_alias=$host_alias ;; *) build_alias=$nonopt ;; esac ;; esac build=`$ac_config_sub $build_alias` build_cpu=`/bin/echo $build | sed 's/^$.*$-$.*$-$.*$$/\1/'` build_vendor=`/bin/echo $build | sed 's/^$.*$-$.*$-$.*$$/\2/'` build_os=`/bin/echo $build | sed 's/^$.*$-$.*$-$.*$$/\3/'` AC_MSG_RESULT($build) AC_SUBST(build)dnl AC_SUBST(build_alias)dnl AC_SUBST(build_cpu)dnl AC_SUBST(build_vendor)dnl AC_SUBST(build_os)dnl ]) dnl ### Caching test results dnl Look for site or system specific initialization scripts. dnl AC_SITE_LOAD() define(AC_SITE_LOAD, [# Prefer explicitly selected file to automatically selected ones. if test -z "$CONFIG_SITE"; then if test "x$prefix" != xNONE; then CONFIG_SITE="$prefix/share/config.site $prefix/etc/config.site" else CONFIG_SITE="$ac_default_prefix/share/config.site $ac_default_prefix/etc/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 AC_CACHE_LOAD() define(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 AC_CACHE_SAVE() define(AC_CACHE_SAVE, [if test -w $cache_file; then echo "updating cache $cache_file" cat > $cache_file <<\EOF # This file is a shell script that caches the results of configure # tests run on this system so they can be shared between configure # scripts and configure runs. It is not useful on other systems. # If it contains results you don't want to keep, you may remove or edit it. # # By default, configure uses ./config.cache as the cache file, # creating it if it does not exist already. You can give configure # the --cache-file=FILE option to use a different cache file; that is # what configure does when it calls configure scripts in # subdirectories, so they share the cache. # Giving --cache-file=/dev/null disables caching, for debugging configure. # config.status only pays attention to the cache file if you give it the # --recheck option to rerun configure. # EOF changequote(, )dnl dnl Allow a site initialization script to override cache values. # Ultrix sh set writes to stderr and can't be redirected directly. (set) 2>&1 | sed -n "s/^$[a-zA-Z0-9_]*_cv_[a-zA-Z0-9_]*$=$.*$/: \${\1='\2'}/p" \ >> $cache_file changequote([, ])dnl else echo "not updating unwritable cache $cache_file" fi ]) dnl The name of shell var CACHE-ID must contain `_cv_' in order to get saved. dnl AC_CACHE_VAL(CACHE-ID, COMMANDS-TO-SET-IT) define(AC_CACHE_VAL, [dnl We used to use the below line, but it fails if the 1st arg is a dnl shell variable, so we need the eval. dnl if test "${$1+set}" = set; then if eval "test \"`echo '${'$1'+set}'`\" = set"; then /bin/echo $ac_n "(cached) $ac_c" 1>&AC_FD_MSG else $2 fi ]) dnl ### Defining symbols dnl Set VARIABLE to VALUE, verbatim, or 1. dnl AC_DEFINE(VARIABLE [, VALUE]) define(AC_DEFINE, [cat >> confdefs.h <<\EOF [#define] $1 ifelse($#, 2, [$2], 1) EOF ]) dnl Similar, but perform shell substitutions $ ` \ once on VALUE. define(AC_DEFINE_UNQUOTED, [cat >> confdefs.h <<EOF [#define] $1 ifelse($#, 2, [$2], 1) EOF ]) dnl ### Setting output variables dnl This macro protects VARIABLE from being diverted twice dnl if this macro is called twice for it. dnl AC_SUBST(VARIABLE) define(AC_SUBST, [ifdef([AC_SUBST_$1], , [define([AC_SUBST_$1], )dnl AC_DIVERT_PUSH(AC_DIVERSION_SED)dnl s%@$1@%[$]$1%g AC_DIVERT_POP()dnl ])]) dnl AC_SUBST_FILE(VARIABLE) define(AC_SUBST_FILE, [ifdef([AC_SUBST_$1], , [define([AC_SUBST_$1], )dnl AC_DIVERT_PUSH(AC_DIVERSION_SED)dnl /@$1@/r [$]$1 s%@$1@%%g AC_DIVERT_POP()dnl ])]) dnl ### Printing messages dnl AC_MSG_CHECKING(FEATURE-DESCRIPTION) define(AC_MSG_CHECKING, [/bin/echo $ac_n "checking $1""... $ac_c" 1>&AC_FD_MSG]) dnl AC_CHECKING(FEATURE-DESCRIPTION) define(AC_CHECKING, [echo "checking $1" 1>&AC_FD_MSG]) dnl AC_MSG_RESULT(RESULT-DESCRIPTION) define(AC_MSG_RESULT, [/bin/echo "$ac_t""$1" 1>&AC_FD_MSG]) dnl AC_VERBOSE(RESULT-DESCRIPTION) define(AC_VERBOSE, [AC_OBSOLETE([$0], [; instead use AC_MSG_RESULT])dnl echo " $1" 1>&AC_FD_MSG]) dnl AC_MSG_WARN(PROBLEM-DESCRIPTION) define(AC_MSG_WARN, [echo "configure: warning: $1" 1>&2]) dnl AC_MSG_ERROR(ERROR-DESCRIPTION) define(AC_MSG_ERROR, [{ echo "configure: error: $1" 1>&2; exit 1; }]) dnl ### Selecting which language to use for testing dnl AC_LANG_C() AC_DEFUN(AC_LANG_C, [define([AC_LANG], [C])dnl ac_ext=c # CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options. ac_cpp='$CPP $CPPFLAGS' ac_compile='${CC-cc} $CFLAGS $CPPFLAGS conftest.$ac_ext -c 1>&AC_FD_CC 2>&AC_FD_CC' ac_link='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext -o conftest $LIBS 1>&AC_FD_CC 2>&AC_FD_CC' ]) dnl AC_LANG_CPLUSPLUS() AC_DEFUN(AC_LANG_CPLUSPLUS, [define([AC_LANG], [CPLUSPLUS])dnl ac_ext=C # CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options. ac_cpp='$CXXCPP $CPPFLAGS' ac_compile='${CXX-g++} $CXXFLAGS $CPPFLAGS conftest.$ac_ext -c 1>&AC_FD_CC 2>&AC_FD_CC' ac_link='${CXX-g++} $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext -o conftest $LIBS 1>&AC_FD_CC 2>&AC_FD_CC' ]) dnl Push the current language on a stack. dnl AC_LANG_SAVE() define(AC_LANG_SAVE, [pushdef([AC_LANG_STACK], AC_LANG)]) dnl Restore the current language from the stack. dnl AC_LANG_RESTORE() define(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 ### Dependencies between macros dnl AC_BEFORE(THIS-MACRO-NAME, CALLED-MACRO-NAME) define(AC_BEFORE, [ifdef([AC_PROVIDE_$2], [errprint(__file__:__line__: [$2 was called before $1 ])])]) dnl AC_REQUIRE(MACRO-NAME) define(AC_REQUIRE, [ifdef([AC_PROVIDE_$1], , [AC_DIVERT_PUSH(builtin(eval, AC_DIVERSION_CURRENT - 1))dnl indir([$1]) AC_DIVERT_POP()dnl ])]) dnl AC_PROVIDE(MACRO-NAME) define(AC_PROVIDE, [define([AC_PROVIDE_$1], )]) dnl AC_OBSOLETE(THIS-MACRO-NAME [, SUGGESTION]) define(AC_OBSOLETE, [errprint(__file__:__line__: warning: [$1] is obsolete[$2] )]) dnl ### Checking for programs 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 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 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 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="$3" ])]) dnl Guess the value for the `prefix' variable by looking for dnl the argument program along PATH and taking its parent. dnl Example: if the argument is `gcc' and we find /usr/local/gnu/bin/gcc, dnl set `prefix' to /usr/local/gnu. dnl This comes too late to find a site file based on the prefix, dnl and it might use a cached value for the path. dnl No big loss, I think, since most configures don't use this macro anyway. dnl AC_PREFIX_PROGRAM(PROGRAM) AC_DEFUN(AC_PREFIX_PROGRAM, [if test "x$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=`/bin/echo $ac_cv_path_<<>>AC_VAR_NAME|sed 's%/[^/][^/]*/[^/][^/]*$%%'` changequote([, ])dnl fi fi undefine([AC_VAR_NAME])dnl ]) dnl ### Checking for libraries dnl AC_CHECK_LIB(LIBRARY, FUNCTION [, ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND dnl [, OTHER-LIBRARIES]]]) AC_DEFUN(AC_CHECK_LIB, [AC_MSG_CHECKING([for -l$1]) AC_CACHE_VAL(ac_cv_lib_$1, [ac_save_LIBS="$LIBS" LIBS="$LIBS -l$1 $5" AC_TRY_LINK(, [$2()], eval "ac_cv_lib_$1=yes", eval "ac_cv_lib_$1=no")dnl LIBS="$ac_save_LIBS" ])dnl if eval "test \"`echo '$ac_cv_lib_'$1`\" = yes"; then AC_MSG_RESULT(yes) ifelse([$3], , [changequote(, )dnl ac_tr_lib=HAVE_LIB`/bin/echo $1 | tr '[a-z]' '[A-Z]'` changequote([, ])dnl AC_DEFINE_UNQUOTED($ac_tr_lib) LIBS="$LIBS -l$1" ], [$3]) else AC_MSG_RESULT(no) ifelse([$4], , , [$4 ])dnl fi ]) 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 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[] $4" AC_TRY_LINK( , [main()], AC_CV_NAME=yes, AC_CV_NAME=no)dnl LIBS="$ac_save_LIBS" ])dnl AC_MSG_RESULT($AC_CV_NAME) if test "$AC_CV_NAME" = yes; then ifelse([$2], , [AC_DEFINE([HAVE_LIB]translit(AC_LIB_NAME, [a-z], [A-Z])) LIBS="$LIBS -l[]AC_LIB_NAME[]" ], [$2]) ifelse([$3], , , [else $3 ])dnl fi undefine([AC_LIB_NAME])dnl undefine([AC_CV_NAME])dnl ]) dnl ### Examining declarations dnl AC_TRY_CPP(INCLUDES, ACTION-IF-TRUE [, ACTION-IF-FALSE]) AC_DEFUN(AC_TRY_CPP, [AC_REQUIRE_CPP()dnl cat > conftest.$ac_ext <<EOF [#]line __oline__ "configure" #include "confdefs.h" [$1] EOF dnl Capture the stderr of cpp. eval is necessary to expand ac_cpp. dnl We used to copy stderr to stdout and capture it in a variable, but dnl that breaks under sh -x, which writes compile commands starting dnl with ` +' to stderr in eval and subshells. eval "$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out" ac_err=`grep -v '^ *+' conftest.out` if test -z "$ac_err"; then ifelse([$2], , :, [rm -rf conftest* $2]) else /bin/echo "$ac_err" >&AC_FD_CC ifelse([$3], , , [ rm -rf conftest* $3 ])dnl fi rm -f conftest*]) 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], [$4])]) dnl Because this macro is used by AC_PROG_GCC_TRADITIONAL, which must dnl come early, it is not included in AC_BEFORE checks. dnl AC_EGREP_CPP(PATTERN, PROGRAM, ACTION-IF-FOUND [, dnl ACTION-IF-NOT-FOUND]) AC_DEFUN(AC_EGREP_CPP, [AC_REQUIRE_CPP()dnl cat > conftest.$ac_ext <<EOF [#]line __oline__ "configure" #include "confdefs.h" [$2] EOF dnl eval is necessary to expand ac_cpp. dnl Ultrix and Pyramid sh refuse to redirect output of eval, so use subshell. if (eval "$ac_cpp conftest.$ac_ext") 2>&AC_FD_CC | egrep "$1" >/dev/null 2>&1; then ifelse([$3], , :, [rm -rf conftest* $3]) ifelse([$4], , , [else rm -rf conftest* $4 ])dnl fi rm -f conftest* ]) dnl ### Examining syntax dnl AC_TRY_COMPILE(INCLUDES, FUNCTION-BODY, dnl ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]) AC_DEFUN(AC_TRY_COMPILE, [cat > conftest.$ac_ext <<EOF dnl This sometimes fails to find confdefs.h, for some reason. dnl [#]line __oline__ "[$]0" [#]line __oline__ "configure" #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 ### Examining libraries dnl AC_COMPILE_CHECK(ECHO-TEXT, INCLUDES, FUNCTION-BODY, dnl ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]) AC_DEFUN(AC_COMPILE_CHECK, [AC_OBSOLETE([$0], [; instead use AC_TRY_COMPILE or AC_TRY_LINK, and AC_MSG_CHECKING and AC_MSG_RESULT])dnl ifelse([$1], , , [AC_CHECKING([for $1]) ])dnl AC_TRY_LINK([$2], [$3], [$4], [$5])dnl ]) dnl AC_TRY_LINK(INCLUDES, FUNCTION-BODY, dnl ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]) AC_DEFUN(AC_TRY_LINK, [cat > conftest.$ac_ext <<EOF dnl This sometimes fails to find confdefs.h, for some reason. dnl [#]line __oline__ "[$]0" [#]line __oline__ "configure" #include "confdefs.h" [$1] int main() { return 0; } int t() { [$2] ; return 0; } EOF if eval $ac_link; then ifelse([$3], , :, [rm -rf conftest* $3]) ifelse([$4], , , [else rm -rf conftest* $4 ])dnl fi rm -f conftest*] ) dnl ### Checking for run-time features dnl AC_TRY_RUN(PROGRAM, ACTION-IF-TRUE [, ACTION-IF-FALSE dnl [, ACTION-IF-CROSS-COMPILING]]) AC_DEFUN(AC_TRY_RUN, [AC_REQUIRE([AC_C_CROSS])dnl if test "$cross_compiling" = yes; then ifelse([$4], , [errprint(__file__:__line__: warning: [AC_TRY_RUN] called without default to allow cross compiling )dnl AC_MSG_ERROR(can not run test program while cross compiling)], [$4]) else cat > conftest.$ac_ext <<EOF [#]line __oline__ "configure" #include "confdefs.h" ifelse(AC_LANG, CPLUSPLUS, [#ifdef __cplusplus extern "C" void exit(int); #endif ])dnl [$1] EOF eval $ac_link if test -s conftest && (./conftest; exit) 2>/dev/null; then ifelse([$2], , :, [$2]) ifelse([$3], , , [else $3 ])dnl fi fi rm -fr conftest*]) dnl ### Checking for header files 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_safe=`/bin/echo "$1" | tr './\055' '___'` AC_MSG_CHECKING([for $1]) AC_CACHE_VAL(ac_cv_header_$ac_safe, [AC_TRY_CPP([#include <$1>], eval "ac_cv_header_$ac_safe=yes", eval "ac_cv_header_$ac_safe=no")])dnl if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then AC_MSG_RESULT(yes) ifelse([$2], , :, [$2]) else AC_MSG_RESULT(no) ifelse([$3], , , [$3 ])dnl fi ]) dnl AC_CHECK_HEADERS(HEADER-FILE... [, ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]) AC_DEFUN(AC_CHECK_HEADERS, [for ac_hdr in $1 do AC_CHECK_HEADER($ac_hdr, [changequote(, )dnl ac_tr_hdr=HAVE_`/bin/echo $ac_hdr | tr '[a-z]./\055' '[A-Z]___'` changequote([, ])dnl AC_DEFINE_UNQUOTED($ac_tr_hdr) $2], $3)dnl done ]) dnl ### Checking for library functions 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. */ /* Override any gcc2 internal prototype to avoid an error. */ ]ifelse(AC_LANG, CPLUSPLUS, [#ifdef __cplusplus extern "C" #endif ])dnl [char $1(); ], [ /* 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 $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 AC_CHECK_FUNCS(FUNCTION... [, ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]) AC_DEFUN(AC_CHECK_FUNCS, [for ac_func in $1 do AC_CHECK_FUNC($ac_func, [changequote(, )dnl ac_tr_func=HAVE_`/bin/echo $ac_func | tr '[a-z]' '[A-Z]'` changequote([, ])dnl AC_DEFINE_UNQUOTED($ac_tr_func) $2], $3)dnl done ]) 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 ### Checking compiler characteristics 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 ### Checking for typedefs dnl AC_CHECK_TYPE(TYPE, DEFAULT) AC_DEFUN(AC_CHECK_TYPE, [AC_REQUIRE([AC_HEADER_STDC])dnl AC_MSG_CHECKING(for $1) AC_CACHE_VAL(ac_cv_type_$1, [AC_EGREP_CPP($1, [#include <sys/types.h> #if STDC_HEADERS #include <stdlib.h> #endif], 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 ### Creating output files dnl AC_CONFIG_HEADER(HEADER-TO-CREATE ...) AC_DEFUN(AC_CONFIG_HEADER, [define(AC_LIST_HEADER, $1)]) dnl Link each of the existing files SOURCE... to the corresponding dnl link name in DEST... dnl AC_LINK_FILES(SOURCE..., DEST...) AC_DEFUN(AC_LINK_FILES, [define([AC_LIST_FILES], [$1])define([AC_LIST_LINKS], [$2])]) dnl AC_CONFIG_SUBDIRS(DIR ...) AC_DEFUN(AC_CONFIG_SUBDIRS, [AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl define([AC_LIST_SUBDIRS], [$1])dnl subdirs="AC_LIST_SUBDIRS" AC_SUBST(subdirs)dnl ]) dnl The big finish. dnl Produce config.status, config.h, and links, and configure subdirs. dnl AC_OUTPUT([FILE...] [, EXTRA-CMDS] [, INIT-CMDS]) define(AC_OUTPUT, [trap '' 1 2 15 AC_CACHE_SAVE trap 'rm -fr conftest* confdefs* core $ac_clean_files; exit 1' 1 2 15 test "x$prefix" = xNONE && prefix=$ac_default_prefix # Let make expand exec_prefix. test "x$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_HEADER], [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 # Some systems, like AmigaDOS, won't allow you to remove a script that is # being executed, so just move it out of the way instead. if test -f $CONFIG_STATUS; then mv $CONFIG_STATUS $CONFIG_STATUS.old; else true; fi 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 [$]ac_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 [$]ac_configure_args --no-create --no-recursion" exec [\$]{CONFIG_SHELL-/bin/sh} [$]0 [$]ac_configure_args --no-create --no-recursion ;; -version | --version | --versio | --versi | --vers | --ver | --ve | --v) /bin/echo "$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=$srcdir ifdef([AC_PROVIDE_AC_PROG_INSTALL], [ac_given_INSTALL="$INSTALL" ])dnl ifdef([AC_LIST_HEADER], [trap 'rm -fr $1 AC_LIST_HEADER conftest*; exit 1' 1 2 15], [trap 'rm -f $1; exit 1' 1 2 15]) AC_OUTPUT_FILES($1) ifdef([AC_LIST_HEADER], [AC_OUTPUT_HEADER(AC_LIST_HEADER)])dnl ifdef([AC_LIST_LINKS], [AC_OUTPUT_LINKS(AC_LIST_FILES, AC_LIST_LINKS)])dnl ifelse([$3], , , [EOF cat >> $CONFIG_STATUS <<EOF $3 EOF cat >> $CONFIG_STATUS <<\EOF]) $2 exit 0 EOF chmod +x $CONFIG_STATUS rm -fr confdefs* $ac_clean_files test "$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 This is a subroutine of AC_OUTPUT. dnl It is called inside configure, outside of config.status. dnl AC_OUTPUT_MAKE_DEFS() define(AC_OUTPUT_MAKE_DEFS, [# Transform confdefs.h into DEFS. dnl Using a here document instead of a string reduces the quoting nightmare. # Protect against shell expansion while executing Makefile rules. # Protect against Makefile macro expansion. cat > conftest.defs <<\EOF changequote(<<, >>)dnl s%<<#define>> $[A-Za-z_][A-Za-z0-9_]*$ $.*$%-D\1=\2%g s%[ `~<<#>>$^&*(){}\\|;'"<>?]%\\&%g s%\[%\\&%g s%\]%\\&%g s%\$%$$%g changequote([, ])dnl EOF DEFS=`sed -f conftest.defs confdefs.h | tr '\012' ' '` rm -f conftest.defs ]) 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...) define(AC_OUTPUT_FILES, [# Protect against being on the right side of a sed subst in config.status. changequote(, )dnl sed 's/%@/@@/; s/@%/@@/; s/%g$/@g/; /@g$/s/[\\\\&%]/\\\\&/g; s/@@/%@/; s/@@/@%/; s/@g$/%g/' > conftest.subs <<\CEOF changequote([, ])dnl 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"} EOF cat >> $CONFIG_STATUS <<\EOF for ac_file in .. $CONFIG_FILES; do if test "x$ac_file" != x..; then dnl Specifying an input file breaks the trap to clean up on interrupt, dnl but that's not a huge problem. # Support "outfile[:infile]", defaulting infile="outfile.in". case "$ac_file" in *:*) ac_file_in=`/bin/echo "$ac_file"|sed 's%.*:%%'` ac_file=`/bin/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=`/bin/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=`/bin/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=`/bin/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" configure_input="Generated automatically from `/bin/echo $ac_file_in|sed 's%.*/%%'` by configure." case "$ac_file" in *Makefile*) ac_comsub="1i\\ # $configure_input" ;; *) ac_comsub= ;; esac sed -e "$ac_comsub s%@configure_input@%$configure_input%g s%@srcdir@%$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 > $ac_file fi; done rm -f conftest.subs ]) dnl This is a subroutine of AC_OUTPUT. It is called inside a quoted dnl here document whose contents are going into config.status. dnl AC_OUTPUT_HEADER(HEADER-FILE...) define(AC_OUTPUT_HEADER, [changequote(<<, >>)dnl # These sed commands are passed to sed as "A NAME B NAME C VALUE D", where # NAME is the cpp macro being defined and VALUE is the value it is being given. # # ac_d sets the value in "#define NAME VALUE" lines. ac_dA='s%^$[ ]*$#$[ ]*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 "$ac_file" in *:*) ac_file_in=`/bin/echo "$ac_file"|sed 's%.*:%%'` ac_file=`/bin/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. And first: # Protect against being on the right side of a sed subst in config.status. # Protect against being in an unquoted here document in config.status. rm -f conftest.vals dnl Using a here document instead of a string reduces the quoting nightmare. dnl Putting comments in sed scripts is not portable. cat > conftest.hdr <<\EOF changequote(<<, >>)dnl s/[\\&%]/\\&/g 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 rm -f conftest.in mv conftest.out conftest.in ' >> $CONFIG_STATUS sed 1,${ac_max_here_lines}d conftest.vals > conftest.tail rm -f conftest.vals mv conftest.tail conftest.vals done rm -f conftest.vals dnl 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 $ac_file conftest.h 2>/dev/null; then /bin/echo "$ac_file is unchanged" rm -f conftest.h else rm -f $ac_file mv conftest.h $ac_file fi fi; done ]) 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_LINKS(SOURCE..., DEST...) define(AC_OUTPUT_LINKS, [EOF cat >> $CONFIG_STATUS <<EOF ac_sources="$1" ac_dests="$2" EOF cat >> $CONFIG_STATUS <<\EOF srcdir=$ac_given_srcdir while test -n "$ac_sources"; do set $ac_dests; ac_dest=[$]1; shift; ac_dests=[$]* set $ac_sources; ac_source=[$]1; shift; ac_sources=[$]* echo "linking $srcdir/$ac_source to $ac_dest" if test ! -r $srcdir/$ac_source; then AC_MSG_ERROR($srcdir/$ac_source: File not found) fi rm -f $ac_dest # Make relative symlinks. # Remove last slash and all that follows it. Not all systems have dirname. changequote(, )dnl ac_dest_dir=`/bin/echo $ac_dest|sed 's%/[^/][^/]*$%%'` changequote([, ])dnl if test "$ac_dest_dir" != "$ac_dest" && test "$ac_dest_dir" != .; then # The dest file is in a subdirectory. test ! -d "$ac_dest_dir" && mkdir "$ac_dest_dir" ac_dest_dir_suffix="/$ac_dest_dir" # A "../" for each directory in $ac_dest_dir_suffix. changequote(, )dnl ac_dots=`/bin/echo $ac_dest_dir_suffix|sed 's%/[^/]*%../%g'` changequote([, ])dnl else ac_dest_dir_suffix= ac_dots= fi case "$srcdir" in changequote(, )dnl [/$]*) ac_rel_source="$srcdir/$ac_source" ;; changequote([, ])dnl *) ac_rel_source="$ac_dots$srcdir/$ac_source" ;; esac # Make a symlink if possible; otherwise try a hard link. # On the Amiga, we instead try a hard link first and then # just do a cp, since symbolic links still have rough edges. if ln $ac_rel_source $ac_dest 2>/dev/null || cp -p $srcdir/$ac_source $ac_dest; then : else AC_MSG_ERROR(can not link $ac_dest to $srcdir/$ac_source) fi done ]) This is a subroutine of AC_OUTPUT. It is called after running config.status. dnl AC_OUTPUT_SUBDIRS(DIRECTORY...) define(AC_OUTPUT_SUBDIRS, [ if test "$no_recursion" != yes; then # Remove --cache-file and --srcdir arguments so they do not pile up. ac_sub_configure_args= ac_prev= for ac_arg in $ac_configure_args; do if test -n "$ac_prev"; then ac_prev= continue fi case "$ac_arg" in -cache-file | --cache-file | --cache-fil | --cache-fi \ | --cache-f | --cache- | --cache | --cach | --cac | --ca | --c) ac_prev=cache_file ;; -cache-file=* | --cache-file=* | --cache-fil=* | --cache-fi=* \ | --cache-f=* | --cache-=* | --cache=* | --cach=* | --cac=* | --ca=* | --c=*) ;; -srcdir | --srcdir | --srcdi | --srcd | --src | --sr) ac_prev=srcdir ;; -srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=*) ;; *) ac_sub_configure_args="$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 in $ac_config_dir case "$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" # The eval makes quoting arguments work. if eval ${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 ])