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.
50 ENSC_SET_SEARCHPATH([$PATH:/sbin:/usr/sbin:/usr/local/sbin])
51 ENSC_PATHPROG_STANDARD_TOOLS
53 ENSC_PATHPROG(IP, ip,, [Usually, this tool is shipped in the 'iproute' or 'iproute2' package of your distribution])
54 ENSC_PATHPROG(IPTABLES, iptables)
55 ENSC_PATHPROG(MODPROBE, modprobe)
56 ENSC_PATHPROG(NAMEIF, nameif)
57 ENSC_PATHPROG(NOHUP, nohup)
58 ENSC_PATHPROG(RMMOD, rmmod)
59 ENSC_PATHPROG(VCONFIG, vconfig,, [See http://www.candelatech.com/~greear/vlan.html; usually this tool is shipped in the 'vconfig' or 'vlan' package of your distribution])
60 ENSC_PATHPROG(WGET, wget)
61 ENSC_PATHPROG(IONICE, ionice, [], [This is usually shipped in the 'util-linux(-ng)' or 'schedutils' package])
62 ENSC_PATHPROG(FILE, file, [file])
63 ENSC_PATHPROG(GZIP, gzip, [gzip])
64 ENSC_PATHPROG(BZIP2, bzip2, [bzip2])
65 ENSC_PATHPROG(CPIO, cpio, [cpio])
66 ENSC_PATHPROG(RESTORE, restore, [restore])
67 ENSC_PATHPROG(RSYNC, rsync, [rsync])
68 ENSC_PATHPROG(STRACE, strace, [strace])
69 ENSC_PATHPROG(FSCK, fsck)
70 ENSC_PATHPROG(FIND, find)
72 ENSC_PATHPROG(DOXYGEN, doxygen, [:])
73 ENSC_PATHPROG(XSLTP, xsltp, [:])
74 ENSC_PATHPROG(XSLTPROC, xsltproc, [:])
77 AM_CONDITIONAL(HAVE_XSLTP, test "$XSLTP" != ':')
78 AM_CONDITIONAL(HAVE_XSLTPROC, test "$XSLTPROC" != ':')
80 if test x"$prefix" = x/; then
84 ENSC_CHECK_CC_FLAG([-std=c99 -Wall -pedantic -W])
85 ENSC_CHECK_CXX_FLAG([-ansi -Wall -pedantic -W -fmessage-length=0])
87 AC_MSG_CHECKING([whether to enable extra optimizations])
88 AC_ARG_ENABLE([extra-optimizations],
89 [AC_HELP_STRING([--disable-extra-optimizations],
90 [disable certain extra optimizations (default: no)])],
92 (yes) use_extra_optimizations=1;;
93 (no) use_extra_optimizations=;;
94 (*) AC_MSG_ERROR(['$enableval' is not a valid value for '--disable-extra-optimizations']);;
96 [use_extra_optimizations=1])
98 if test x"$use_extra_optimizations" = x; then
102 ENSC_CHECK_CC_FLAG([-funit-at-a-time])
103 ENSC_CHECK_CXX_FLAG([-funit-at-a-time])
106 AC_MSG_CHECKING([whether to enable debug-code in library])
107 AC_ARG_ENABLE([lib-debug],
108 [AC_HELP_STRING([--enable-lib-debug],
109 [enable additional debug code in library (default: no)])],
110 [case "$enableval" in
111 (yes) use_lib_debug=1;;
112 (no) use_lib_debug=;;
113 (*) AC_MSG_ERROR(['$enableval' is not a valid value for '--enable-lib-debug']);;
117 if test x"$use_lib_debug" = x; then
118 AC_SUBST(LIB_DEBUG_CPPFLAGS, [-DNDEBUG])
121 AC_SUBST(LIB_DEBUG_CPPFLAGS, [])
125 AC_MSG_CHECKING([whether to enable expensive tests])
126 AC_ARG_ENABLE([expensive-tests],
127 [AC_HELP_STRING([--enable-expensive-tests],
128 [disable tests which might be expensive on some systems (default: no)])],
129 [case "$enableval" in
130 (yes|no) use_expensive_tests=$enableval;;
131 (*) AC_MSG_ERROR(['$enableval' is not a valid value for '--enable-expensive-tests']);;
133 [ use_expensive_tests=no ])
134 AC_MSG_RESULT($use_expensive_tests)
136 AC_SUBST(ENSC_USE_EXPENSIVE_TESTS, "$use_expensive_tests")
139 ENSC_CHECK_PERSONALITY_FLAGS
141 AC_ARG_VAR(CC, [The C compiler])
143 ENSC_INITRDDIR(initrddir)
144 ENSC_RELEASE(RELEASE_CPPFLAGS)
146 # HACK: This needs to be before ENSC_DIETLIBC_NEED_COMPAT, or the alternative
147 # syscalls will never be enabled for glibc.
148 ENSC_SYSCALLNR(vserver,273,[lib/syscall-fallback.h])
151 dnl ###########################
153 dnl {some dietlibc related tests
157 (i*86|athlon) min_diet_ver=0.25;;
158 (ia64|hppa*) min_diet_ver=0.29;;
159 (sparc*) min_diet_ver=0.30;;
160 (x86_64) min_diet_ver=0.27;;
161 (*) min_diet_ver=0.28;;
164 ENSC_ENABLE_DIETLIBC(USE_DIETLIBC, [$min_diet_ver])
166 if test x"$ensc_have_dietlibc" = xno; then
167 AC_MSG_WARN([*** ***])
168 AC_MSG_WARN([*** it is strongly recommended to link util-vserver against ***])
169 AC_MSG_WARN([*** dietlibc; glibc's NSS functions are very unreliable in ***])
170 AC_MSG_WARN([*** chroot() environments, so you have to expect problems ***])
171 AC_MSG_WARN([*** there. ***])
172 AC_MSG_WARN([*** ***])
173 AM_CONDITIONAL(USE_DIETLIBC_COMPAT, false)
175 # HACK: libtool does not have cmdline options to build only
176 # dynamic libraries; this can be done with the
177 # '--disable-static' ./configure option only. As our static
178 # libraries will be build with dietlibc, we have to do set
179 # this option which is evaluated by 'AC_PROG_LIBTOOL'
180 # below. Therefore, this macro must not be called earlier.
183 ENSC_DIETLIBC_NEED_COMPAT(USE_DIETLIBC_COMPAT)
186 AM_CONDITIONAL(ENSC_USE_DIETLIBC, test x"$ensc_have_dietlibc" = xyes)
187 AM_CONDITIONAL(ENSC_USE_GLIBC, true)
189 # HACK: see comments at 'enable_static' above
192 dnl dietlibc stuff ends here}
194 dnl ##########################
197 ENSC_UV_VROOTDIR(vserverdir)
201 dnl ##########################
203 dnl {Check whether to use external kernel headers
205 AC_MSG_CHECKING([whether to use internal kernel headers])
206 AC_ARG_ENABLE([internal-headers],
207 [AC_HELP_STRING([--disable-internal-headers],
208 [use vserver specific headers from the kernel instead of the shipped versions (default: no)])],
209 [case "$enableval" in
211 (*) AC_MSG_ERROR(['$i' is not a supported value for '--disable-internal-headers']);;
213 [enable_internal_headers=yes])
215 AM_CONDITIONAL(ENSC_ENABLE_INTERNAL_HEADERS, [test x"$enable_internal_headers" = xyes])
216 AC_MSG_RESULT([$enable_internal_headers])
218 dnl the check regarding external kernel headers ends here}
220 dnl ##########################
222 dnl ##########################
224 dnl {Check for the APIs to be used
226 AH_TEMPLATE(VC_ENABLE_API_COMPAT, [Enable support for compatibility syscall API])
227 AH_TEMPLATE(VC_ENABLE_API_LEGACY, [Enable support for old, /proc parsing API])
228 AH_TEMPLATE(VC_ENABLE_API_V11, [Enable support for API of vserver 1.1.x])
229 AH_TEMPLATE(VC_ENABLE_API_FSCOMPAT, [Enable support for filesystem compatibility API])
230 AH_TEMPLATE(VC_ENABLE_API_V13OBS, [Enable support for some obsoleted API of vserver 1.3.x])
231 AH_TEMPLATE(VC_ENABLE_API_V13, [Enable support for API of vserver 1.3.x])
232 AH_TEMPLATE(VC_ENABLE_API_NET, [Enable support for network context API])
233 AH_TEMPLATE(VC_ENABLE_API_V21, [Enable support for API of vserver 2.1.x])
234 AH_TEMPLATE(VC_ENABLE_API_V22, [Enable support for API of vserver 2.2.x])
235 AH_TEMPLATE(VC_ENABLE_API_V23, [Enable support for API of vserver 2.3.x])
236 AH_TEMPLATE(VC_ENABLE_API_NETV2, [Enable support for new networking API])
237 AH_TEMPLATE(VC_ENABLE_API_OLDPROC, [Enable API for a backward compatible /proc parsing])
238 AH_TEMPLATE(VC_ENABLE_API_OLDUTS, [Enable API for a backward compatible uts handling])
240 AC_MSG_CHECKING([for supported APIs])
241 AC_ARG_ENABLE([apis],
242 [AC_HELP_STRING([--enable-apis=APIS],
243 [enable support for the given apis; possible values are: legacy,compat,v11,fscompat,v13obs,v13,net,v21,v22,v23,netv2 ALL,NOLEGACY (default: v13,net,v21,v22,v23,netv2)])],
245 [enable_apis=v13,net,v21,v22,v23,netv2])
247 test x"$enable_apis" != xALL || enable_apis='legacy,compat,v11,fscompat,v13obs,v13,net,v21,v22,v23,netv2'
248 test x"$enable_apis" != xNOLEGACY || enable_apis='compat,v11,fscompat,v13,net,v21,v22,v23,netv2'
252 echo $enable_apis | sed 's/,/\n/g' | while read i; do
254 (compat) AC_DEFINE(VC_ENABLE_API_COMPAT, 1)
255 enable_api_oldproc=${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]);;
280 if test x"$enable_api_oldproc" != x; then
281 AC_DEFINE(VC_ENABLE_API_OLDPROC, 1)
282 test x"$enable_api_oldproc" != x2 && enable_apis="$enable_apis,oldproc"
284 if test x"$enable_api_olduts" != x; then
285 AC_DEFINE(VC_ENABLE_API_OLDUTS, 1)
286 test x"$enable_api_olduts" != x2 && enable_apis="$enable_apis,olduts"
288 AC_MSG_RESULT([$enable_apis])
290 dnl the check for used APIs ends here}
292 dnl ##########################
295 ENSC_CHECK_EXT2FS_HEADER
296 AC_CHECK_FUNCS([vserver])
297 AC_CHECK_DECLS(MS_MOVE,,,[#include <linux/fs.h>])
298 AC_CHECK_TYPES(xid_t,,,[#include <sys/types.h>])
299 AC_CHECK_TYPES(nid_t,,,[#include <sys/types.h>])
300 AC_CHECK_TYPES(tag_t,,,[#include <sys/types.h>])
302 AC_CHECK_HEADERS([sys/capability.h])
304 dnl vlogin might need -lutil
305 if test x"$ensc_have_dietlibc" = xno; then
306 AC_CHECK_FUNC([openpty],, [AC_CHECK_LIB([util], [openpty],, [AC_MSG_ERROR([
308 **** openpty could not be found
313 dnl ########################
317 AC_ARG_WITH(crypto-api,
318 AC_HELP_STRING([--with-crypto-api=API],
319 [select crypto api to be used; possible values are `none', `nss', `beecrypt', `auto' (default:auto)]),
321 (none|nss|beecrypt|auto) ensc_crypto_api=$withval;;
322 (yes) ensc_crypto_api=auto;;
323 (no) ensc_crypto_api=none;;
324 (*) AC_MSG_ERROR([invalid crypto-api value, only none,nss,beecrypt,auto are supported]);;
325 esac],[ensc_crypto_api=auto])
328 dnl Now, check for matching crypto api. When selected 'auto', the
329 dnl first matching one wins
331 dnl ########################
333 dnl {check for beecrypt
335 case $ensc_crypto_api in
337 if test x"$ensc_cv_c99_c99compiler" = xyes; then
338 ensc_have_beecrypt=yes
340 if test x"$ensc_have_beecrypt" = xyes; then
341 AC_CHECK_HEADER([beecrypt/beecrypt.h], [ : ],
342 [ ensc_have_beecrypt=no ])
345 if test x"$ensc_have_beecrypt" = xyes; then
346 AC_CHECK_LIB(beecrypt, hashFunctionContextInit, [ : ],
347 [ ensc_have_beecrypt=no ])
350 ensc_have_beecrypt=no
354 case $ensc_crypto_api in
355 (auto) if test x"$ensc_have_beecrypt" = xyes; then
356 AC_MSG_NOTICE([using beecrypt as crypto api])
357 ensc_crypto_api=beecrypt
359 (beecrypt) if test x"$ensc_have_beecrypt" != xyes; then
360 AC_MSG_ERROR([beecrypt crypto api not found])
364 AM_CONDITIONAL(ENSC_HAVE_BEECRYPT, test x"$ensc_have_beecrypt" = xyes)
365 AM_CONDITIONAL(ENSC_CAN_BEECRYPT_WITH_DIETLIBC, false)
367 dnl beecrypt stuff ends here}
369 dnl ########################
372 dnl ########################
377 case $ensc_crypto_api in
378 (nss) PKG_CHECK_MODULES(NSS, nss);;
379 (auto) PKG_CHECK_MODULES(NSS, nss, [
380 AC_MSG_NOTICE([using NSS as crypto api])
381 ensc_crypto_api=nss]);;
385 dnl nss stuff ends here}
387 dnl ########################
389 case $ensc_crypto_api in
391 ENSC_HAVE_CRYPTO=true
392 ENSC_CRYPTO_API=ENSC_CRYPTO_API_BEECRYPT
394 ENSC_CRYPTO_LIB=-lbeecrypt
395 ENSC_CAN_CRYPTO_WITH_DIETLIBC=false
399 ENSC_HAVE_CRYPTO=true
400 ENSC_CRYPTO_API=ENSC_CRYPTO_API_NSS
401 ENSC_CRYPTO_CFLAGS=$NSS_CFLAGS
402 ENSC_CRYPTO_LIB=$NSS_LIBS
403 ENSC_CAN_CRYPTO_WITH_DIETLIBC=false
407 ENSC_HAVE_CRYPTO=false
408 ENSC_CRYPTO_API=ENSC_CRYPTO_API_NONE
411 ENSC_CAN_CRYPTO_WITH_DIETLIBC=false
413 AC_MSG_WARN([No crypto api found/select. This will disable the build of 'vhashify'])
416 (*) AC_MSG_ERROR([internal error])
419 AM_CONDITIONAL(ENSC_HAVE_CRYPTO, $ENSC_HAVE_CRYPTO)
420 AM_CONDITIONAL(ENSC_CAN_CRYPTO_WITH_DIETLIBC, $ENSC_CAN_CRYPTO_WITH_DIETLIBC)
421 AC_SUBST(ENSC_CRYPTO_CFLAGS, $ENSC_CRYPTO_CFLAGS)
422 AC_SUBST(ENSC_CRYPTO_LIB, $ENSC_CRYPTO_LIB)
423 AC_DEFINE_UNQUOTED(ENSC_CRYPTO_API, $ENSC_CRYPTO_API, [Used crypto API])
426 dnl crypto stuff ends here}
428 dnl ########################
431 dnl Check what distro this is, use Gentoo initscripts if appropriate
432 AC_MSG_CHECKING([for host initscripts])
433 AC_ARG_WITH(initscripts, AC_HELP_STRING([--with-initscripts=TYPE], [force host initscripts; valid values are 'gentoo' and 'sysv' (default: guess)]), [
435 gentoo) ensc_with_init=gentoo;;
436 sysv) ensc_with_init=sysv;;
437 *) AC_MSG_ERROR([invalid initscripts value, only gentoo and sysv are supported]);;
440 if test -e /etc/gentoo-release; then
441 ensc_with_init=gentoo
446 AC_MSG_RESULT([$ensc_with_init])
447 AM_CONDITIONAL(HAVE_GENTOO_INIT, test x"$ensc_with_init" = xgentoo)
448 AM_CONDITIONAL(HAVE_SYSV_INIT, test x"$ensc_with_init" = xsysv)
451 dnl ########################
455 AM_PATH_PYTHON([2.4],, [:])
456 if test "x$PYTHON" = x:; then
459 if test x$ensc_have_python = xyes; then
460 PYTHON_CFLAGS=-I`$PYTHON -c 'from distutils.sysconfig import get_python_inc; print get_python_inc(1)'`
461 PYTHON_LDFLAGS=-L`$PYTHON -c 'from distutils.sysconfig import get_python_lib; print get_python_lib(1)'`
462 AC_SUBST(PYTHON_CFLAGS)
463 AC_SUBST(PYTHON_LDFLAGS)
467 AC_PATH_PROG([CTAGS], [ctags], [no])
468 if test "x$CTAGS" = xno; then
471 AM_CONDITIONAL([HAVE_PYTHON], [test x$ensc_have_python = xyes])
473 dnl Python stuff ends here
474 dnl ########################
477 dnl ########################
478 dnl Library versioning
480 ensc_have_versioning=yes
481 AC_ARG_ENABLE(versioning, AC_HELP_STRING([--disable-versioning], [Disable library versioning]), [ensc_have_versioning="$enableval"])
482 AM_CONDITIONAL([HAVE_VERSIONING], [test "x$ensc_have_versioning" = xyes])
483 if test "x$ensc_have_versioning" = xyes; then
484 AC_DEFINE([HAVE_VERSIONING], [1], [Define this to use library versioning])
487 dnl /Library versioning
488 dnl ########################
491 dnl BIG HACK! Do some autodetection here!
492 AC_DEFINE(UTMP_GID, [22], [The utmp gid-number])
495 AC_DEFINE(HAVE_GROWING_STACK, [1], [Define to 1 if the stack is on growing addresses])
498 AC_DEFINE(_FILE_OFFSET_BITS, [64], [Use 64bit interface for filesystem operations])
500 dnl ########################
502 dnl {The final info-page
504 ensc_cxx_affected=" (affected: vbuild, vcheck)"
505 ensc_c99_affected=" (affected: vunify, vcopy, vhashify, vdlimit)"
506 ensc_diet_msg=" (you have been warned)"
507 ensc_diet_version_msg=" ($ensc_version_dietlibc)"
508 ensc_diet_compat_msg=" (using -lcompat)"
509 test x"$ensc_cv_cxx_cxxcompiler" = xno || ensc_cxx_affected=
510 test x"$ensc_cv_c99_c99compiler" = xno || ensc_c99_affected=
511 test x"$ensc_have_dietlibc" = xno || ensc_diet_msg=
512 test x"$ensc_version_dietlibc" != x || ensc_diet_version_msg=
513 test x"$ensc_have_dietlibc$ensc_cv_c_dietlibc_compat" = xyesyes || ensc_diet_compat_msg=
515 AH_BOTTOM([#include "compat.h"
517 AC_CONFIG_COMMANDS_PRE([
520 CC: $CC, $($CC --version | sed -e '1p;d')
521 CXX: $CXX, $($CXX --version | sed -e '1p;d')
522 CPPFLAGS: '$CPPFLAGS'
524 CXXFLAGS: '$CXXFLAGS'
525 build/host: $build/$host
526 Use dietlibc: $ensc_have_dietlibc$ensc_diet_version_msg$ensc_diet_msg$ensc_diet_compat_msg
527 Build C++ programs: $ensc_cv_cxx_cxxcompiler$ensc_cxx_affected
528 Build C99 programs: $ensc_cv_c99_c99compiler$ensc_c99_affected
529 Available APIs: $enable_apis
530 ext2fs Source: $ensc_cv_test_ext2fs_header
531 syscall(2) invocation: $with_syscall
532 vserver(2) syscall#: $ensc_cv_value_syscall_vserver
533 crypto api: $ensc_crypto_api
534 python bindings: $ensc_have_python
535 use library versioning: $ensc_have_versioning
539 sysconf-Directory: $sysconfdir
540 cfg-Directory: $sysconfdir/vservers
541 initrd-Directory: $initrddir
542 pkgstate-Directory: $localstatedir/run/vservers
543 vserver-Rootdir: $vserverdir
545 echo "$FEATURES_TXT" >FEATURES.txt
548 dnl final info-page ends here}
550 dnl ########################
552 AC_CONFIG_FILES([util-vserver.spec Makefile distrib/Makefile lib/apidoc/Doxyfile])