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])
31 AM_INIT_AUTOMAKE([1.9 gnits dist-bzip2 subdir-objects])
37 AC_SUBST(GPG_KEY, "0xFFD316AC53ACA43A!")
39 # Checks for programs.
49 ENSC_SET_SEARCHPATH([$PATH:/sbin:/usr/sbin:/usr/local/sbin])
50 ENSC_PATHPROG_STANDARD_TOOLS
52 ENSC_PATHPROG(IP, ip,, [Usually, this tool is shipped in the 'iproute' or 'iproute2' package of your distribution])
53 ENSC_PATHPROG(IPTABLES, iptables)
54 ENSC_PATHPROG(MODPROBE, modprobe)
55 ENSC_PATHPROG(NAMEIF, nameif)
56 ENSC_PATHPROG(NOHUP, nohup)
57 ENSC_PATHPROG(RMMOD, rmmod)
58 ENSC_PATHPROG(VCONFIG, vconfig,, [See http://www.candelatech.com/~greear/vlan.html; usually this tool is shipped in the 'vconfig' or 'vlan' package of your distribution])
59 ENSC_PATHPROG(WGET, wget)
60 ENSC_PATHPROG(IONICE, ionice,, [This is usually shipped in the 'util-linux(-ng)' or 'schedutils' package])
61 ENSC_PATHPROG(FILE, file, [file])
62 ENSC_PATHPROG(GZIP, gzip, [gzip])
63 ENSC_PATHPROG(BZIP2, bzip2, [bzip2])
64 ENSC_PATHPROG(CPIO, cpio, [cpio])
65 ENSC_PATHPROG(RESTORE, restore, [restore])
66 ENSC_PATHPROG(RSYNC, rsync, [rsync])
67 ENSC_PATHPROG(STRACE, strace, [strace])
68 ENSC_PATHPROG(FSCK, fsck)
70 ENSC_PATHPROG(DOXYGEN, doxygen, [:])
71 ENSC_PATHPROG(XSLTP, xsltp, [:])
72 ENSC_PATHPROG(XSLTPROC, xsltproc, [:])
75 AM_CONDITIONAL(HAVE_XSLTP, test "$XSLTP" != ':')
76 AM_CONDITIONAL(HAVE_XSLTPROC, test "$XSLTPROC" != ':')
78 if test x"$prefix" = x/; then
82 ENSC_CHECK_CC_FLAG([-std=c99 -Wall -pedantic -W])
83 ENSC_CHECK_CXX_FLAG([-ansi -Wall -pedantic -W -fmessage-length=0])
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])
101 ENSC_CHECK_CXX_FLAG([-funit-at-a-time])
104 AC_MSG_CHECKING([whether to enable debug-code in library])
105 AC_ARG_ENABLE([lib-debug],
106 [AC_HELP_STRING([--enable-lib-debug],
107 [enable additional debug code in library (default: no)])],
108 [case "$enableval" in
109 (yes) use_lib_debug=1;;
110 (no) use_lib_debug=;;
111 (*) AC_MSG_ERROR(['$enableval' is not a valid value for '--enable-lib-debug']);;
115 if test x"$use_lib_debug" = x; then
116 AC_SUBST(LIB_DEBUG_CPPFLAGS, [-DNDEBUG])
119 AC_SUBST(LIB_DEBUG_CPPFLAGS, [])
123 AC_MSG_CHECKING([whether to enable expensive tests])
124 AC_ARG_ENABLE([expensive-tests],
125 [AC_HELP_STRING([--enable-expensive-tests],
126 [disable tests which might be expensive on some systems (default: no)])],
127 [case "$enableval" in
128 (yes|no) use_expensive_tests=$enableval;;
129 (*) AC_MSG_ERROR(['$enableval' is not a valid value for '--enable-expensive-tests']);;
131 [ use_expensive_tests=no ])
132 AC_MSG_RESULT($use_expensive_tests)
134 AC_SUBST(ENSC_USE_EXPENSIVE_TESTS, "$use_expensive_tests")
137 ENSC_CHECK_PERSONALITY_FLAGS
139 AC_ARG_VAR(CC, [The C compiler])
141 ENSC_INITRDDIR(initrddir)
142 ENSC_RELEASE(RELEASE_CPPFLAGS)
144 # HACK: This needs to be before ENSC_DIETLIBC_NEED_COMPAT, or the alternative
145 # syscalls will never be enabled for glibc.
146 ENSC_SYSCALLNR(vserver,273,[lib/syscall-fallback.h])
149 dnl ###########################
151 dnl {some dietlibc related tests
155 (i*86|athlon) min_diet_ver=0.25;;
156 (ia64|hppa*) min_diet_ver=0.29;;
157 (sparc*) min_diet_ver=0.30;;
158 (x86_64) min_diet_ver=0.27;;
159 (*) min_diet_ver=0.28;;
162 ENSC_ENABLE_DIETLIBC(USE_DIETLIBC, [$min_diet_ver])
164 if test x"$ensc_have_dietlibc" = xno; then
165 AC_MSG_WARN([*** ***])
166 AC_MSG_WARN([*** it is strongly recommended to link util-vserver against ***])
167 AC_MSG_WARN([*** dietlibc; glibc's NSS functions are very unreliable in ***])
168 AC_MSG_WARN([*** chroot() environments, so you have to expect problems ***])
169 AC_MSG_WARN([*** there. ***])
170 AC_MSG_WARN([*** ***])
171 AM_CONDITIONAL(USE_DIETLIBC_COMPAT, false)
173 # HACK: libtool does not have cmdline options to build only
174 # dynamic libraries; this can be done with the
175 # '--disable-static' ./configure option only. As our static
176 # libraries will be build with dietlibc, we have to do set
177 # this option which is evaluated by 'AC_PROG_LIBTOOL'
178 # below. Therefore, this macro must not be called earlier.
181 ENSC_DIETLIBC_NEED_COMPAT(USE_DIETLIBC_COMPAT)
184 AM_CONDITIONAL(ENSC_USE_DIETLIBC, test x"$ensc_have_dietlibc" = xyes)
185 AM_CONDITIONAL(ENSC_USE_GLIBC, true)
187 # HACK: see comments at 'enable_static' above
190 dnl dietlibc stuff ends here}
192 dnl ##########################
195 ENSC_UV_VROOTDIR(vserverdir)
199 dnl ##########################
201 dnl {Check whether to use external kernel headers
203 AC_MSG_CHECKING([whether to use internal kernel headers])
204 AC_ARG_ENABLE([internal-headers],
205 [AC_HELP_STRING([--disable-internal-headers],
206 [use vserver specific headers from the kernel instead of the shipped versions (default: no)])],
207 [case "$enableval" in
209 (*) AC_MSG_ERROR(['$i' is not a supported value for '--disable-internal-headers']);;
211 [enable_internal_headers=yes])
213 AM_CONDITIONAL(ENSC_ENABLE_INTERNAL_HEADERS, [test x"$enable_internal_headers" = xyes])
214 AC_MSG_RESULT([$enable_internal_headers])
216 dnl the check regarding external kernel headers ends here}
218 dnl ##########################
220 dnl ##########################
222 dnl {Check for the APIs to be used
224 AH_TEMPLATE(VC_ENABLE_API_COMPAT, [Enable support for compatibility syscall API])
225 AH_TEMPLATE(VC_ENABLE_API_LEGACY, [Enable support for old, /proc parsing API])
226 AH_TEMPLATE(VC_ENABLE_API_V11, [Enable support for API of vserver 1.1.x])
227 AH_TEMPLATE(VC_ENABLE_API_FSCOMPAT, [Enable support for filesystem compatibility API])
228 AH_TEMPLATE(VC_ENABLE_API_V13OBS, [Enable support for some obsoleted API of vserver 1.3.x])
229 AH_TEMPLATE(VC_ENABLE_API_V13, [Enable support for API of vserver 1.3.x])
230 AH_TEMPLATE(VC_ENABLE_API_NET, [Enable support for network context API])
231 AH_TEMPLATE(VC_ENABLE_API_V21, [Enable support for API of vserver 2.1.x])
232 AH_TEMPLATE(VC_ENABLE_API_V22, [Enable support for API of vserver 2.2.x])
233 AH_TEMPLATE(VC_ENABLE_API_V23, [Enable support for API of vserver 2.3.x])
234 AH_TEMPLATE(VC_ENABLE_API_NETV2, [Enable support for new networking API])
235 AH_TEMPLATE(VC_ENABLE_API_OLDPROC, [Enable API for a backward compatible /proc parsing])
236 AH_TEMPLATE(VC_ENABLE_API_OLDUTS, [Enable API for a backward compatible uts handling])
238 AC_MSG_CHECKING([for supported APIs])
239 AC_ARG_ENABLE([apis],
240 [AC_HELP_STRING([--enable-apis=APIS],
241 [enable support for the given apis; possible values are: legacy,compat,v11,fscompat,v13obs,v13,net,v21,v22,v23,netv2 ALL,NOLEGACY (default: v13,net,v21,v22,v23,netv2)])],
243 [enable_apis=v13,net,v21,v22,v23,netv2])
245 test x"$enable_apis" != xALL || enable_apis='legacy,compat,v11,fscompat,v13obs,v13,net,v21,v22,v23,netv2'
246 test x"$enable_apis" != xNOLEGACY || enable_apis='compat,v11,fscompat,v13,net,v21,v22,v23,netv2'
252 for i in $enable_apis; do
254 (compat) AC_DEFINE(VC_ENABLE_API_COMPAT, 1)
255 enable_api_oldproc=${enable_api_oldproc:-1}
256 enable_api_olduts=${enable_api_olduts:-1}
258 (legacy) AC_DEFINE(VC_ENABLE_API_LEGACY, 1)
259 enable_api_oldproc=${enable_api_oldproc:-1}
260 enable_api_olduts=${enable_api_olduts:-1}
262 (v11) AC_DEFINE(VC_ENABLE_API_V11, 1)
263 enable_api_oldproc=${enable_api_oldproc:-1}
264 enable_api_olduts=${enable_api_olduts:-1}
266 (fscompat) AC_DEFINE(VC_ENABLE_API_FSCOMPAT, 1);;
267 (v13obs) AC_DEFINE(VC_ENABLE_API_V13OBS, 1)
268 AC_DEFINE(VC_ENABLE_API_V13, 1);;
269 (v13) AC_DEFINE(VC_ENABLE_API_V13, 1);;
270 (net) AC_DEFINE(VC_ENABLE_API_NET, 1);;
271 (v21) AC_DEFINE(VC_ENABLE_API_V21, 1);;
272 (v22) AC_DEFINE(VC_ENABLE_API_V22, 1);;
273 (v23) AC_DEFINE(VC_ENABLE_API_V23, 1);;
274 (netv2) AC_DEFINE(VC_ENABLE_API_NETV2, 1);;
275 (oldproc) enable_api_oldproc=2;;
276 (olduts) enable_api_olduts=2;;
277 (*) AC_MSG_ERROR(['$i' is not a supported API]);;
281 if test x"$enable_api_oldproc" != x; then
282 AC_DEFINE(VC_ENABLE_API_OLDPROC, 1)
283 test x"$enable_api_oldproc" != x2 && enable_apis="$enable_apis,oldproc"
285 if test x"$enable_api_olduts" != x; then
286 AC_DEFINE(VC_ENABLE_API_OLDUTS, 1)
287 test x"$enable_api_olduts" != x2 && enable_apis="$enable_apis,olduts"
289 AC_MSG_RESULT([$enable_apis])
291 dnl the check for used APIs ends here}
293 dnl ##########################
296 ENSC_CHECK_EXT2FS_HEADER
297 AC_CHECK_FUNCS([vserver])
298 AC_CHECK_DECLS(MS_MOVE,,,[#include <linux/fs.h>])
299 AC_CHECK_TYPES(xid_t,,,[#include <sys/types.h>])
300 AC_CHECK_TYPES(nid_t,,,[#include <sys/types.h>])
301 AC_CHECK_TYPES(tag_t,,,[#include <sys/types.h>])
303 AC_CHECK_HEADERS([sys/capability.h])
305 dnl vlogin might need -lutil
306 if test x"$ensc_have_dietlibc" = xno; then
307 AC_CHECK_FUNC([openpty],, [AC_CHECK_LIB([util], [openpty],, [AC_MSG_ERROR([
309 **** openpty could not be found
314 dnl ########################
318 AC_ARG_WITH(crypto-api,
319 AC_HELP_STRING([--with-crypto-api=API],
320 [select crypto api to be used; possible values are `none', `nss', `beecrypt', `auto' (default:auto)]),
322 (none|nss|beecrypt|auto) ensc_crypto_api=$withval;;
323 (yes) ensc_crypto_api=auto;;
324 (no) ensc_crypto_api=none;;
325 (*) AC_MSG_ERROR([invalid crypto-api value, only none,nss,beecrypt,auto are supported]);;
326 esac],[ensc_crypto_api=auto])
329 dnl Now, check for matching crypto api. When selected 'auto', the
330 dnl first matching one wins
332 dnl ########################
334 dnl {check for beecrypt
336 case $ensc_crypto_api in
338 if test x"$ensc_cv_c99_c99compiler" = xyes; then
339 ensc_have_beecrypt=yes
341 if test x"$ensc_have_beecrypt" = xyes; then
342 AC_CHECK_HEADER([beecrypt/beecrypt.h], [ : ],
343 [ ensc_have_beecrypt=no ])
346 if test x"$ensc_have_beecrypt" = xyes; then
347 AC_CHECK_LIB(beecrypt, hashFunctionContextInit, [ : ],
348 [ ensc_have_beecrypt=no ])
351 ensc_have_beecrypt=no
355 case $ensc_crypto_api in
356 (auto) if test x"$ensc_have_beecrypt" = xyes; then
357 AC_MSG_NOTICE([using beecrypt as crypto api])
358 ensc_crypto_api=beecrypt
360 (beecrypt) if test x"$ensc_have_beecrypt" != xyes; then
361 AC_MSG_ERROR([beecrypt crypto api not found])
365 AM_CONDITIONAL(ENSC_HAVE_BEECRYPT, test x"$ensc_have_beecrypt" = xyes)
366 AM_CONDITIONAL(ENSC_CAN_BEECRYPT_WITH_DIETLIBC, false)
368 dnl beecrypt stuff ends here}
370 dnl ########################
373 dnl ########################
378 case $ensc_crypto_api in
379 (nss) PKG_CHECK_MODULES(NSS, nss);;
380 (auto) PKG_CHECK_MODULES(NSS, nss, [
381 AC_MSG_NOTICE([using NSS as crypto api])
382 ensc_crypto_api=nss]);;
386 dnl nss stuff ends here}
388 dnl ########################
390 case $ensc_crypto_api in
392 ENSC_HAVE_CRYPTO=true
393 ENSC_CRYPTO_API=ENSC_CRYPTO_API_BEECRYPT
395 ENSC_CRYPTO_LIB=-lbeecrypt
396 ENSC_CAN_CRYPTO_WITH_DIETLIBC=false
400 ENSC_HAVE_CRYPTO=true
401 ENSC_CRYPTO_API=ENSC_CRYPTO_API_NSS
402 ENSC_CRYPTO_CFLAGS=$NSS_CFLAGS
403 ENSC_CRYPTO_LIB=$NSS_LIBS
404 ENSC_CAN_CRYPTO_WITH_DIETLIBC=false
408 ENSC_HAVE_CRYPTO=false
409 ENSC_CRYPTO_API=ENSC_CRYPTO_API_NONE
412 ENSC_CAN_CRYPTO_WITH_DIETLIBC=false
414 AC_MSG_WARN([No crypto api found/select. This will disable the build of 'vhashify'])
417 (*) AC_MSG_ERROR([internal error])
420 AM_CONDITIONAL(ENSC_HAVE_CRYPTO, $ENSC_HAVE_CRYPTO)
421 AM_CONDITIONAL(ENSC_CAN_CRYPTO_WITH_DIETLIBC, $ENSC_CAN_CRYPTO_WITH_DIETLIBC)
422 AC_SUBST(ENSC_CRYPTO_CFLAGS, $ENSC_CRYPTO_CFLAGS)
423 AC_SUBST(ENSC_CRYPTO_LIB, $ENSC_CRYPTO_LIB)
424 AC_DEFINE_UNQUOTED(ENSC_CRYPTO_API, $ENSC_CRYPTO_API, [Used crypto API])
427 dnl crypto stuff ends here}
429 dnl ########################
432 dnl Check what distro this is, use Gentoo initscripts if appropriate
433 AC_MSG_CHECKING([for host initscripts])
434 AC_ARG_WITH(initscripts, AC_HELP_STRING([--with-initscripts=TYPE], [force host initscripts; valid values are 'gentoo' and 'sysv' (default: guess)]), [
436 gentoo) ensc_with_init=gentoo;;
437 sysv) ensc_with_init=sysv;;
438 *) AC_MSG_ERROR([invalid initscripts value, only gentoo and sysv are supported]);;
441 if test -e /etc/gentoo-release; then
442 ensc_with_init=gentoo
447 AC_MSG_RESULT([$ensc_with_init])
448 AM_CONDITIONAL(HAVE_GENTOO_INIT, test x"$ensc_with_init" = xgentoo)
449 AM_CONDITIONAL(HAVE_SYSV_INIT, test x"$ensc_with_init" = xsysv)
452 dnl ########################
455 AM_PATH_PYTHON(,, [:])
456 ensc_python_config=python-config
457 AC_ARG_WITH(python, AC_HELP_STRING([--with-python=FILE], [use FILE to query Python build details (default: python-config)]), [
461 (*) ensc_python_config="$withval";;
463 if $ensc_python_config --cflags > /dev/null 2>&1; then
464 PYTHON_CFLAGS=`$ensc_python_config --cflags`
465 PYTHON_LDFLAGS=`$ensc_python_config --ldflags`
466 AC_SUBST(PYTHON_CFLAGS)
467 AC_SUBST(PYTHON_LDFLAGS)
471 AM_CONDITIONAL([HAVE_PYTHON], [test "x$PYTHON" != x:])
473 dnl Python stuff ends here
474 dnl ########################
477 dnl BIG HACK! Do some autodetection here!
478 AC_DEFINE(UTMP_GID, [22], [The utmp gid-number])
481 AC_DEFINE(HAVE_GROWING_STACK, [1], [Define to 1 if the stack is on growing addresses])
484 AC_DEFINE(_FILE_OFFSET_BITS, [64], [Use 64bit interface for filesystem operations])
486 dnl ########################
488 dnl {The final info-page
490 ensc_cxx_affected=" (affected: vbuild, vcheck)"
491 ensc_c99_affected=" (affected: vunify, vcopy, vhashify, vdlimit)"
492 ensc_diet_msg=" (you have been warned)"
493 ensc_diet_version_msg=" ($ensc_version_dietlibc)"
494 ensc_diet_compat_msg=" (using -lcompat)"
495 test x"$ensc_cv_cxx_cxxcompiler" = xno || ensc_cxx_affected=
496 test x"$ensc_cv_c99_c99compiler" = xno || ensc_c99_affected=
497 test x"$ensc_have_dietlibc" = xno || ensc_diet_msg=
498 test x"$ensc_version_dietlibc" != x || ensc_diet_version_msg=
499 test x"$ensc_have_dietlibc$ensc_cv_c_dietlibc_compat" = xyesyes || ensc_diet_compat_msg=
501 AH_BOTTOM([#include "compat.h"
503 AC_CONFIG_COMMANDS_PRE([
506 CC: $CC, $($CC --version | sed -e '1p;d')
507 CXX: $CXX, $($CXX --version | sed -e '1p;d')
508 CPPFLAGS: '$CPPFLAGS'
510 CXXFLAGS: '$CXXFLAGS'
511 build/host: $build/$host
512 Use dietlibc: $ensc_have_dietlibc$ensc_diet_version_msg$ensc_diet_msg$ensc_diet_compat_msg
513 Build C++ programs: $ensc_cv_cxx_cxxcompiler$ensc_cxx_affected
514 Build C99 programs: $ensc_cv_c99_c99compiler$ensc_c99_affected
515 Available APIs: $enable_apis
516 ext2fs Source: $ensc_cv_test_ext2fs_header
517 syscall(2) invocation: $with_syscall
518 vserver(2) syscall#: $ensc_cv_value_syscall_vserver
519 crypto api: $ensc_crypto_api
523 sysconf-Directory: $sysconfdir
524 cfg-Directory: $sysconfdir/vservers
525 initrd-Directory: $initrddir
526 pkgstate-Directory: $localstatedir/run/vservers
527 vserver-Rootdir: $vserverdir
529 echo "$FEATURES_TXT" >FEATURES.txt
532 dnl final info-page ends here}
534 dnl ########################
536 AC_CONFIG_FILES([util-vserver.spec Makefile distrib/Makefile lib/apidoc/Doxyfile])