3 dnl Copyright (C) 2003,2004 Enrico Scholz <enrico.scholz@informatik.tu-chemnitz.de>
5 dnl This program is free software; you can redistribute it and/or modify
6 dnl it under the terms of the GNU General Public License as published by
7 dnl the Free Software Foundation; either version 2, or (at your option)
10 dnl This program is distributed in the hope that it will be useful,
11 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
12 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 dnl GNU General Public License for more details.
15 dnl You should have received a copy of the GNU General Public License
16 dnl along with this program; if not, write to the Free Software
17 dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20 dnl As a special exception to the GNU General Public License, if you
21 dnl distribute this file as part of a program that contains a configuration
22 dnl script generated by Autoconf, you may include it under the same
23 dnl distribution terms that you use for the rest of that program.
27 AC_INIT(util-vserver, 0.30.215, vserver@list.linux-vserver.org)
28 AC_CONFIG_SRCDIR([src/capchroot.c])
29 AC_CONFIG_HEADER([config.h])
30 AC_CONFIG_MACRO_DIR([m4])
32 AM_INIT_AUTOMAKE([1.9 gnits dist-bzip2 subdir-objects])
38 AC_SUBST(GPG_KEY, "0xFFD316AC53ACA43A!")
40 # Checks for programs.
49 ENSC_SET_SEARCHPATH([$PATH:/sbin:/usr/sbin:/usr/local/sbin])
50 ENSC_PATHPROG_STANDARD_TOOLS
52 ENSC_PATHPROG(IP, ip,, [Usually, this tool is shipped in the 'iproute' or 'iproute2' package of your distribution])
53 ENSC_PATHPROG(IPTABLES, iptables)
54 ENSC_PATHPROG(MODPROBE, modprobe)
55 ENSC_PATHPROG(NAMEIF, nameif)
56 ENSC_PATHPROG(NOHUP, nohup)
57 ENSC_PATHPROG(RMMOD, rmmod)
58 ENSC_PATHPROG(VCONFIG, vconfig,, [See http://www.candelatech.com/~greear/vlan.html; usually this tool is shipped in the 'vconfig' or 'vlan' package of your distribution])
59 ENSC_PATHPROG(WGET, wget)
60 ENSC_PATHPROG(IONICE, ionice, [], [This is usually shipped in the 'util-linux(-ng)' or 'schedutils' package])
61 ENSC_PATHPROG(FILE, file, [file])
62 ENSC_PATHPROG(GZIP, gzip, [gzip])
63 ENSC_PATHPROG(BZIP2, bzip2, [bzip2])
64 ENSC_PATHPROG(CPIO, cpio, [cpio])
65 ENSC_PATHPROG(RESTORE, restore, [restore])
66 ENSC_PATHPROG(RSYNC, rsync, [rsync])
67 ENSC_PATHPROG(STRACE, strace, [strace])
68 ENSC_PATHPROG(FSCK, fsck)
69 ENSC_PATHPROG(FIND, find)
71 ENSC_PATHPROG(DOXYGEN, doxygen, [:])
72 ENSC_PATHPROG(XSLTP, xsltp, [:])
73 ENSC_PATHPROG(XSLTPROC, xsltproc, [:])
76 AM_CONDITIONAL(HAVE_XSLTP, test "$XSLTP" != ':')
77 AM_CONDITIONAL(HAVE_XSLTPROC, test "$XSLTPROC" != ':')
79 if test x"$prefix" = x/; then
83 ENSC_CHECK_CC_FLAG([-std=c99 -Wall -pedantic -W])
85 AC_MSG_CHECKING([whether to enable extra optimizations])
86 AC_ARG_ENABLE([extra-optimizations],
87 [AC_HELP_STRING([--disable-extra-optimizations],
88 [disable certain extra optimizations (default: no)])],
90 (yes) use_extra_optimizations=1;;
91 (no) use_extra_optimizations=;;
92 (*) AC_MSG_ERROR(['$enableval' is not a valid value for '--disable-extra-optimizations']);;
94 [use_extra_optimizations=1])
96 if test x"$use_extra_optimizations" = x; then
100 ENSC_CHECK_CC_FLAG([-funit-at-a-time])
103 AC_MSG_CHECKING([whether to enable debug-code in library])
104 AC_ARG_ENABLE([lib-debug],
105 [AC_HELP_STRING([--enable-lib-debug],
106 [enable additional debug code in library (default: no)])],
107 [case "$enableval" in
108 (yes) use_lib_debug=1;;
109 (no) use_lib_debug=;;
110 (*) AC_MSG_ERROR(['$enableval' is not a valid value for '--enable-lib-debug']);;
114 if test x"$use_lib_debug" = x; then
115 AC_SUBST(LIB_DEBUG_CPPFLAGS, [-DNDEBUG])
118 AC_SUBST(LIB_DEBUG_CPPFLAGS, [])
122 AC_MSG_CHECKING([whether to enable expensive tests])
123 AC_ARG_ENABLE([expensive-tests],
124 [AC_HELP_STRING([--enable-expensive-tests],
125 [disable tests which might be expensive on some systems (default: no)])],
126 [case "$enableval" in
127 (yes|no) use_expensive_tests=$enableval;;
128 (*) AC_MSG_ERROR(['$enableval' is not a valid value for '--enable-expensive-tests']);;
130 [ use_expensive_tests=no ])
131 AC_MSG_RESULT($use_expensive_tests)
133 AC_SUBST(ENSC_USE_EXPENSIVE_TESTS, "$use_expensive_tests")
136 ENSC_CHECK_PERSONALITY_FLAGS
138 AC_ARG_VAR(CC, [The C compiler])
140 ENSC_INITRDDIR(initrddir)
141 ENSC_RELEASE(RELEASE_CPPFLAGS)
143 # HACK: This needs to be before ENSC_DIETLIBC_NEED_COMPAT, or the alternative
144 # syscalls will never be enabled for glibc.
145 ENSC_SYSCALLNR(vserver,273,[lib/syscall-fallback.h])
148 dnl ###########################
150 dnl {some dietlibc related tests
154 (i*86|athlon) min_diet_ver=0.25;;
155 (ia64|hppa*) min_diet_ver=0.29;;
156 (sparc*) min_diet_ver=0.30;;
157 (x86_64) min_diet_ver=0.27;;
158 (*) min_diet_ver=0.28;;
161 ENSC_ENABLE_DIETLIBC(USE_DIETLIBC, [$min_diet_ver])
163 if test x"$ensc_have_dietlibc" = xno; then
164 AC_MSG_WARN([*** ***])
165 AC_MSG_WARN([*** it is strongly recommended to link util-vserver against ***])
166 AC_MSG_WARN([*** dietlibc; glibc's NSS functions are very unreliable in ***])
167 AC_MSG_WARN([*** chroot() environments, so you have to expect problems ***])
168 AC_MSG_WARN([*** there. ***])
169 AC_MSG_WARN([*** ***])
170 AM_CONDITIONAL(USE_DIETLIBC_COMPAT, false)
172 # HACK: libtool does not have cmdline options to build only
173 # dynamic libraries; this can be done with the
174 # '--disable-static' ./configure option only. As our static
175 # libraries will be build with dietlibc, we have to do set
176 # this option which is evaluated by 'AC_PROG_LIBTOOL'
177 # below. Therefore, this macro must not be called earlier.
180 ENSC_DIETLIBC_NEED_COMPAT(USE_DIETLIBC_COMPAT)
183 AM_CONDITIONAL(ENSC_USE_DIETLIBC, test x"$ensc_have_dietlibc" = xyes)
184 AM_CONDITIONAL(ENSC_USE_GLIBC, true)
186 # HACK: see comments at 'enable_static' above
189 dnl dietlibc stuff ends here}
191 dnl ##########################
194 ENSC_UV_VROOTDIR(vserverdir)
198 dnl ##########################
200 dnl {Check whether to use external kernel headers
202 AC_MSG_CHECKING([whether to use internal kernel headers])
203 AC_ARG_ENABLE([internal-headers],
204 [AC_HELP_STRING([--disable-internal-headers],
205 [use vserver specific headers from the kernel instead of the shipped versions (default: no)])],
206 [case "$enableval" in
208 (*) AC_MSG_ERROR(['$i' is not a supported value for '--disable-internal-headers']);;
210 [enable_internal_headers=yes])
212 AM_CONDITIONAL(ENSC_ENABLE_INTERNAL_HEADERS, [test x"$enable_internal_headers" = xyes])
213 AC_MSG_RESULT([$enable_internal_headers])
215 dnl the check regarding external kernel headers ends here}
217 dnl ##########################
219 dnl ##########################
221 dnl {Check for the APIs to be used
223 AH_TEMPLATE(VC_ENABLE_API_COMPAT, [Enable support for compatibility syscall API])
224 AH_TEMPLATE(VC_ENABLE_API_LEGACY, [Enable support for old, /proc parsing API])
225 AH_TEMPLATE(VC_ENABLE_API_V11, [Enable support for API of vserver 1.1.x])
226 AH_TEMPLATE(VC_ENABLE_API_FSCOMPAT, [Enable support for filesystem compatibility API])
227 AH_TEMPLATE(VC_ENABLE_API_V13OBS, [Enable support for some obsoleted API of vserver 1.3.x])
228 AH_TEMPLATE(VC_ENABLE_API_V13, [Enable support for API of vserver 1.3.x])
229 AH_TEMPLATE(VC_ENABLE_API_NET, [Enable support for network context API])
230 AH_TEMPLATE(VC_ENABLE_API_V21, [Enable support for API of vserver 2.1.x])
231 AH_TEMPLATE(VC_ENABLE_API_V22, [Enable support for API of vserver 2.2.x])
232 AH_TEMPLATE(VC_ENABLE_API_V23, [Enable support for API of vserver 2.3.x])
233 AH_TEMPLATE(VC_ENABLE_API_NETV2, [Enable support for new networking API])
234 AH_TEMPLATE(VC_ENABLE_API_OLDPROC, [Enable API for a backward compatible /proc parsing])
235 AH_TEMPLATE(VC_ENABLE_API_OLDUTS, [Enable API for a backward compatible uts handling])
237 AC_MSG_CHECKING([for supported APIs])
238 AC_ARG_ENABLE([apis],
239 [AC_HELP_STRING([--enable-apis=APIS],
240 [enable support for the given apis; possible values are: legacy,compat,v11,fscompat,v13obs,v13,net,v21,v22,v23,netv2 ALL,NOLEGACY (default: v13,net,v21,v22,v23,netv2)])],
242 [enable_apis=v13,net,v21,v22,v23,netv2])
244 test x"$enable_apis" != xALL || enable_apis='legacy,compat,v11,fscompat,v13obs,v13,net,v21,v22,v23,netv2'
245 test x"$enable_apis" != xNOLEGACY || enable_apis='compat,v11,fscompat,v13,net,v21,v22,v23,netv2'
249 echo $enable_apis | sed 's/,/\n/g' | while read i; do
251 (compat) AC_DEFINE(VC_ENABLE_API_COMPAT, 1)
252 enable_api_oldproc=${enable_api_oldproc:-1}
253 enable_api_olduts=${enable_api_olduts:-1}
255 (legacy) AC_DEFINE(VC_ENABLE_API_LEGACY, 1)
256 enable_api_oldproc=${enable_api_oldproc:-1}
257 enable_api_olduts=${enable_api_olduts:-1}
259 (v11) AC_DEFINE(VC_ENABLE_API_V11, 1)
260 enable_api_oldproc=${enable_api_oldproc:-1}
261 enable_api_olduts=${enable_api_olduts:-1}
263 (fscompat) AC_DEFINE(VC_ENABLE_API_FSCOMPAT, 1);;
264 (v13obs) AC_DEFINE(VC_ENABLE_API_V13OBS, 1)
265 AC_DEFINE(VC_ENABLE_API_V13, 1);;
266 (v13) AC_DEFINE(VC_ENABLE_API_V13, 1);;
267 (net) AC_DEFINE(VC_ENABLE_API_NET, 1);;
268 (v21) AC_DEFINE(VC_ENABLE_API_V21, 1);;
269 (v22) AC_DEFINE(VC_ENABLE_API_V22, 1);;
270 (v23) AC_DEFINE(VC_ENABLE_API_V23, 1);;
271 (netv2) AC_DEFINE(VC_ENABLE_API_NETV2, 1);;
272 (oldproc) enable_api_oldproc=2;;
273 (olduts) enable_api_olduts=2;;
274 (*) AC_MSG_ERROR(['$i' is not a supported API]);;
277 if test x"$enable_api_oldproc" != x; then
278 AC_DEFINE(VC_ENABLE_API_OLDPROC, 1)
279 test x"$enable_api_oldproc" != x2 && enable_apis="$enable_apis,oldproc"
281 if test x"$enable_api_olduts" != x; then
282 AC_DEFINE(VC_ENABLE_API_OLDUTS, 1)
283 test x"$enable_api_olduts" != x2 && enable_apis="$enable_apis,olduts"
285 AC_MSG_RESULT([$enable_apis])
287 dnl the check for used APIs ends here}
289 dnl ##########################
292 ENSC_CHECK_EXT2FS_HEADER
293 AC_CHECK_FUNCS([vserver])
294 AC_CHECK_DECLS(MS_MOVE,,,[#include <linux/fs.h>])
295 AC_CHECK_TYPES(xid_t,,,[#include <sys/types.h>])
296 AC_CHECK_TYPES(nid_t,,,[#include <sys/types.h>])
297 AC_CHECK_TYPES(tag_t,,,[#include <sys/types.h>])
299 AC_CHECK_HEADERS([sys/capability.h])
301 dnl vlogin might need -lutil
302 if test x"$ensc_have_dietlibc" = xno; then
303 AC_CHECK_FUNC([openpty],, [AC_CHECK_LIB([util], [openpty],, [AC_MSG_ERROR([
305 **** openpty could not be found
310 dnl ########################
314 AC_ARG_WITH(crypto-api,
315 AC_HELP_STRING([--with-crypto-api=API],
316 [select crypto api to be used; possible values are `none', `nss', `beecrypt', `auto' (default:auto)]),
318 (none|nss|beecrypt|auto) ensc_crypto_api=$withval;;
319 (yes) ensc_crypto_api=auto;;
320 (no) ensc_crypto_api=none;;
321 (*) AC_MSG_ERROR([invalid crypto-api value, only none,nss,beecrypt,auto are supported]);;
322 esac],[ensc_crypto_api=auto])
325 dnl Now, check for matching crypto api. When selected 'auto', the
326 dnl first matching one wins
328 dnl ########################
330 dnl {check for beecrypt
332 case $ensc_crypto_api in
334 if test x"$ensc_cv_c99_c99compiler" = xyes; then
335 ensc_have_beecrypt=yes
337 if test x"$ensc_have_beecrypt" = xyes; then
338 AC_CHECK_HEADER([beecrypt/beecrypt.h], [ : ],
339 [ ensc_have_beecrypt=no ])
342 if test x"$ensc_have_beecrypt" = xyes; then
343 AC_CHECK_LIB(beecrypt, hashFunctionContextInit, [ : ],
344 [ ensc_have_beecrypt=no ])
347 ensc_have_beecrypt=no
351 case $ensc_crypto_api in
352 (auto) if test x"$ensc_have_beecrypt" = xyes; then
353 AC_MSG_NOTICE([using beecrypt as crypto api])
354 ensc_crypto_api=beecrypt
356 (beecrypt) if test x"$ensc_have_beecrypt" != xyes; then
357 AC_MSG_ERROR([beecrypt crypto api not found])
361 AM_CONDITIONAL(ENSC_HAVE_BEECRYPT, test x"$ensc_have_beecrypt" = xyes)
362 AM_CONDITIONAL(ENSC_CAN_BEECRYPT_WITH_DIETLIBC, false)
364 dnl beecrypt stuff ends here}
366 dnl ########################
369 dnl ########################
374 case $ensc_crypto_api in
375 (nss) PKG_CHECK_MODULES(NSS, nss);;
376 (auto) PKG_CHECK_MODULES(NSS, nss, [
377 AC_MSG_NOTICE([using NSS as crypto api])
378 ensc_crypto_api=nss]);;
382 dnl nss stuff ends here}
384 dnl ########################
386 case $ensc_crypto_api in
388 ENSC_HAVE_CRYPTO=true
389 ENSC_CRYPTO_API=ENSC_CRYPTO_API_BEECRYPT
391 ENSC_CRYPTO_LIB=-lbeecrypt
392 ENSC_CAN_CRYPTO_WITH_DIETLIBC=false
396 ENSC_HAVE_CRYPTO=true
397 ENSC_CRYPTO_API=ENSC_CRYPTO_API_NSS
398 ENSC_CRYPTO_CFLAGS=$NSS_CFLAGS
399 ENSC_CRYPTO_LIB=$NSS_LIBS
400 ENSC_CAN_CRYPTO_WITH_DIETLIBC=false
404 ENSC_HAVE_CRYPTO=false
405 ENSC_CRYPTO_API=ENSC_CRYPTO_API_NONE
408 ENSC_CAN_CRYPTO_WITH_DIETLIBC=false
410 AC_MSG_WARN([No crypto api found/select. This will disable the build of 'vhashify'])
413 (*) AC_MSG_ERROR([internal error])
416 AM_CONDITIONAL(ENSC_HAVE_CRYPTO, $ENSC_HAVE_CRYPTO)
417 AM_CONDITIONAL(ENSC_CAN_CRYPTO_WITH_DIETLIBC, $ENSC_CAN_CRYPTO_WITH_DIETLIBC)
418 AC_SUBST(ENSC_CRYPTO_CFLAGS, $ENSC_CRYPTO_CFLAGS)
419 AC_SUBST(ENSC_CRYPTO_LIB, $ENSC_CRYPTO_LIB)
420 AC_DEFINE_UNQUOTED(ENSC_CRYPTO_API, $ENSC_CRYPTO_API, [Used crypto API])
423 dnl crypto stuff ends here}
425 dnl ########################
428 dnl Check what distro this is, use Gentoo initscripts if appropriate
429 AC_MSG_CHECKING([for host initscripts])
430 AC_ARG_WITH(initscripts, AC_HELP_STRING([--with-initscripts=TYPE], [force host initscripts; valid values are 'gentoo' and 'sysv' (default: guess)]), [
432 gentoo) ensc_with_init=gentoo;;
433 sysv) ensc_with_init=sysv;;
434 *) AC_MSG_ERROR([invalid initscripts value, only gentoo and sysv are supported]);;
437 if test -e /etc/gentoo-release; then
438 ensc_with_init=gentoo
443 AC_MSG_RESULT([$ensc_with_init])
444 AM_CONDITIONAL(HAVE_GENTOO_INIT, test x"$ensc_with_init" = xgentoo)
445 AM_CONDITIONAL(HAVE_SYSV_INIT, test x"$ensc_with_init" = xsysv)
448 dnl ########################
452 AM_PATH_PYTHON([2.4],, [:])
453 if test "x$PYTHON" = x:; then
456 if test x$ensc_have_python = xyes; then
457 PYTHON_CFLAGS=-I`$PYTHON -c 'from distutils.sysconfig import get_python_inc; print(get_python_inc(1))'`
458 PYTHON_LDFLAGS=-L`$PYTHON -c 'from distutils.sysconfig import get_python_lib; print(get_python_lib(1))'`
459 AC_SUBST(PYTHON_CFLAGS)
460 AC_SUBST(PYTHON_LDFLAGS)
464 AC_PATH_PROG([CTAGS], [ctags], [no])
465 if test "x$CTAGS" = xno; then
468 AM_CONDITIONAL([HAVE_PYTHON], [test x$ensc_have_python = xyes])
470 dnl Python stuff ends here
471 dnl ########################
474 dnl ########################
475 dnl Library versioning
477 ensc_have_versioning=yes
478 AC_ARG_ENABLE(versioning, AC_HELP_STRING([--disable-versioning], [Disable library versioning]), [ensc_have_versioning="$enableval"])
479 AM_CONDITIONAL([HAVE_VERSIONING], [test "x$ensc_have_versioning" = xyes])
480 if test "x$ensc_have_versioning" = xyes; then
481 AC_DEFINE([HAVE_VERSIONING], [1], [Define this to use library versioning])
484 dnl /Library versioning
485 dnl ########################
488 dnl BIG HACK! Do some autodetection here!
489 AC_DEFINE(UTMP_GID, [22], [The utmp gid-number])
492 AC_DEFINE(HAVE_GROWING_STACK, [1], [Define to 1 if the stack is on growing addresses])
495 AC_DEFINE(_FILE_OFFSET_BITS, [64], [Use 64bit interface for filesystem operations])
497 dnl ########################
499 dnl {The final info-page
501 ensc_cxx_affected=" (affected: vbuild, vcheck)"
502 ensc_c99_affected=" (affected: vunify, vcopy, vhashify, vdlimit)"
503 ensc_diet_msg=" (you have been warned)"
504 ensc_diet_version_msg=" ($ensc_version_dietlibc)"
505 ensc_diet_compat_msg=" (using -lcompat)"
506 test x"$ensc_cv_cxx_cxxcompiler" = xno || ensc_cxx_affected=
507 test x"$ensc_cv_c99_c99compiler" = xno || ensc_c99_affected=
508 test x"$ensc_have_dietlibc" = xno || ensc_diet_msg=
509 test x"$ensc_version_dietlibc" != x || ensc_diet_version_msg=
510 test x"$ensc_have_dietlibc$ensc_cv_c_dietlibc_compat" = xyesyes || ensc_diet_compat_msg=
512 AH_BOTTOM([#include "compat.h"
514 AC_CONFIG_COMMANDS_PRE([
517 CC: $CC, $($CC --version | sed -e '1p;d')
518 CPPFLAGS: '$CPPFLAGS'
520 build/host: $build/$host
521 Use dietlibc: $ensc_have_dietlibc$ensc_diet_version_msg$ensc_diet_msg$ensc_diet_compat_msg
522 Build C++ programs: $ensc_cv_cxx_cxxcompiler$ensc_cxx_affected
523 Build C99 programs: $ensc_cv_c99_c99compiler$ensc_c99_affected
524 Available APIs: $enable_apis
525 ext2fs Source: $ensc_cv_test_ext2fs_header
526 syscall(2) invocation: $with_syscall
527 vserver(2) syscall#: $ensc_cv_value_syscall_vserver
528 crypto api: $ensc_crypto_api
529 python bindings: $ensc_have_python
530 use library versioning: $ensc_have_versioning
534 sysconf-Directory: $sysconfdir
535 cfg-Directory: $sysconfdir/vservers
536 initrd-Directory: $initrddir
537 pkgstate-Directory: $localstatedir/run/vservers
538 vserver-Rootdir: $vserverdir
540 echo "$FEATURES_TXT" >FEATURES.txt
543 dnl final info-page ends here}
545 dnl ########################
547 AC_CONFIG_FILES([util-vserver.spec Makefile distrib/Makefile lib/apidoc/Doxyfile])