1 dnl $Id: configure.ac 2539 2007-05-02 20:11:40Z dhozac $
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, 0.30.213, vserver@list.linux-vserver.org)
28 AC_CONFIG_SRCDIR([src/capchroot.c])
29 AC_CONFIG_HEADER([config.h])
31 AM_INIT_AUTOMAKE([1.8.3 gnits dist-bzip2 subdir-objects])
37 AC_SUBST(GPG_KEY, "0xFFD316AC53ACA43A!")
39 # Checks for programs.
49 ENSC_SET_SEARCHPATH([$PATH:/sbin:/usr/sbin:/usr/local/sbin])
50 ENSC_PATHPROG_STANDARD_TOOLS
52 ENSC_PATHPROG(IP, ip,, [Usually, this tool is shipped in the 'iproute' or 'iproute2' package of your distribution])
53 ENSC_PATHPROG(IPTABLES, iptables)
54 ENSC_PATHPROG(MODPROBE, modprobe)
55 ENSC_PATHPROG(NAMEIF, nameif)
56 ENSC_PATHPROG(NOHUP, nohup)
57 ENSC_PATHPROG(RMMOD, rmmod)
58 ENSC_PATHPROG(VCONFIG, vconfig,, [See http://www.candelatech.com/~greear/vlan.html; usually this tool is shipped in the 'vconfig' or 'vlan' package of your distribution])
59 ENSC_PATHPROG(WGET, wget)
60 ENSC_PATHPROG(FILE, file, [file])
61 ENSC_PATHPROG(GZIP, gzip, [gzip])
62 ENSC_PATHPROG(BZIP2, bzip2, [bzip2])
63 ENSC_PATHPROG(CPIO, cpio, [cpio])
64 ENSC_PATHPROG(RESTORE, restore, [restore])
65 ENSC_PATHPROG(RSYNC, rsync, [rsync])
67 ENSC_PATHPROG(DOXYGEN, doxygen, [:])
68 ENSC_PATHPROG(XSLTP, xsltp, [:])
69 ENSC_PATHPROG(XSLTPROC, xsltproc, [:])
72 AM_CONDITIONAL(HAVE_XSLTP, test "$XSLTP" != ':')
73 AM_CONDITIONAL(HAVE_XSLTPROC, test "$XSLTPROC" != ':')
75 if test x"$prefix" = x/; then
79 ENSC_CHECK_CC_FLAG([-std=c99 -Wall -pedantic -W])
80 ENSC_CHECK_CXX_FLAG([-ansi -Wall -pedantic -W -fmessage-length=0])
82 AC_MSG_CHECKING([whether to enable extra optimizations])
83 AC_ARG_ENABLE([extra-optimizations],
84 [AC_HELP_STRING([--disable-extra-optimizations],
85 [disable certain extra optimizations (default: no)])],
87 (yes) use_extra_optimizations=1;;
88 (no) use_extra_optimizations=;;
89 (*) AC_MSG_ERROR(['$enableval' is not a valid value for '--disable-extra-optimizations']);;
91 [use_extra_optimizations=1])
93 if test x"$use_extra_optimizations" = x; then
97 ENSC_CHECK_CC_FLAG([-funit-at-a-time])
98 ENSC_CHECK_CXX_FLAG([-funit-at-a-time])
101 AC_MSG_CHECKING([whether to enable debug-code in library])
102 AC_ARG_ENABLE([lib-debug],
103 [AC_HELP_STRING([--enable-lib-debug],
104 [enable additional debug code in library (default: no)])],
105 [case "$enableval" in
106 (yes) use_lib_debug=1;;
107 (no) use_lib_debug=;;
108 (*) AC_MSG_ERROR(['$enableval' is not a valid value for '--enable-lib-debug']);;
112 if test x"$use_lib_debug" = x; then
113 AC_SUBST(LIB_DEBUG_CPPFLAGS, [-DNDEBUG])
116 AC_SUBST(LIB_DEBUG_CPPFLAGS, [])
120 AC_MSG_CHECKING([whether to enable expensive tests])
121 AC_ARG_ENABLE([expensive-tests],
122 [AC_HELP_STRING([--enable-expensive-tests],
123 [disable tests which might be expensive on some systems (default: no)])],
124 [case "$enableval" in
125 (yes|no) use_expensive_tests=$enableval;;
126 (*) AC_MSG_ERROR(['$enableval' is not a valid value for '--enable-expensive-tests']);;
128 [ use_expensive_tests=no ])
129 AC_MSG_RESULT($use_expensive_tests)
131 AC_SUBST(ENSC_USE_EXPENSIVE_TESTS, "$use_expensive_tests")
134 ENSC_CHECK_PERSONALITY_FLAGS
136 AC_ARG_VAR(CC, [The C compiler])
138 ENSC_INITRDDIR(initrddir)
139 ENSC_RELEASE(RELEASE_CPPFLAGS)
141 # HACK: This needs to be before ENSC_DIETLIBC_NEED_COMPAT, or the alternative
142 # syscalls will never be enabled for glibc.
143 ENSC_SYSCALLNR(vserver,273,[lib/syscall-fallback.h])
146 dnl ###########################
148 dnl {some dietlibc related tests
152 (i*86|athlon) min_diet_ver=0.25;;
153 (ia64|hppa*) min_diet_ver=0.29;;
154 (sparc*) min_diet_ver=0.30;;
155 (x86_64) min_diet_ver=0.27;;
156 (*) min_diet_ver=0.28;;
159 ENSC_ENABLE_DIETLIBC(USE_DIETLIBC, [$min_diet_ver])
161 if test x"$ensc_have_dietlibc" = xno; then
162 AC_MSG_WARN([*** ***])
163 AC_MSG_WARN([*** it is strongly recommended to link util-vserver against ***])
164 AC_MSG_WARN([*** dietlibc; glibc's NSS functions are very unreliable in ***])
165 AC_MSG_WARN([*** chroot() environments, so you have to expect problems ***])
166 AC_MSG_WARN([*** there. ***])
167 AC_MSG_WARN([*** ***])
168 AM_CONDITIONAL(USE_DIETLIBC_COMPAT, false)
170 # HACK: libtool does not have cmdline options to build only
171 # dynamic libraries; this can be done with the
172 # '--disable-static' ./configure option only. As our static
173 # libraries will be build with dietlibc, we have to do set
174 # this option which is evaluated by 'AC_PROG_LIBTOOL'
175 # below. Therefore, this macro must not be called earlier.
178 ENSC_DIETLIBC_NEED_COMPAT(USE_DIETLIBC_COMPAT)
181 AM_CONDITIONAL(ENSC_USE_DIETLIBC, test x"$ensc_have_dietlibc" = xyes)
182 AM_CONDITIONAL(ENSC_USE_GLIBC, true)
184 # HACK: see comments at 'enable_static' above
187 dnl dietlibc stuff ends here}
189 dnl ##########################
192 ENSC_UV_VROOTDIR(vserverdir)
196 dnl ##########################
198 dnl {Check whether to use external kernel headers
200 AC_MSG_CHECKING([whether to use internal kernel headers])
201 AC_ARG_ENABLE([internal-headers],
202 [AC_HELP_STRING([--disable-internal-headers],
203 [use vserver specific headers from the kernel instead of the shipped versions (default: no)])],
204 [case "$enableval" in
206 (*) AC_MSG_ERROR(['$i' is not a supported value for '--disable-internal-headers']);;
208 [enable_internal_headers=yes])
210 AM_CONDITIONAL(ENSC_ENABLE_INTERNAL_HEADERS, [test x"$enable_internal_headers" = xyes])
211 AC_MSG_RESULT([$enable_internal_headers])
213 dnl the check regarding external kernel headers ends here}
215 dnl ##########################
217 dnl ##########################
219 dnl {Check for the APIs to be used
221 AH_TEMPLATE(VC_ENABLE_API_COMPAT, [Enable support for compatibility syscall API])
222 AH_TEMPLATE(VC_ENABLE_API_LEGACY, [Enable support for old, /proc parsing API])
223 AH_TEMPLATE(VC_ENABLE_API_V11, [Enable support for API of vserver 1.1.x])
224 AH_TEMPLATE(VC_ENABLE_API_FSCOMPAT, [Enable support for filesystem compatibility API])
225 AH_TEMPLATE(VC_ENABLE_API_V13OBS, [Enable support for some obsoleted API of vserver 1.3.x])
226 AH_TEMPLATE(VC_ENABLE_API_V13, [Enable support for API of vserver 1.3.x])
227 AH_TEMPLATE(VC_ENABLE_API_NET, [Enable support for network context API])
228 AH_TEMPLATE(VC_ENABLE_API_V21, [Enable support for API of vserver 2.1.x])
229 AH_TEMPLATE(VC_ENABLE_API_OLDPROC, [Enable API for a backward compatible /proc parsing])
230 AH_TEMPLATE(VC_ENABLE_API_OLDUTS, [Enable API for a backward compatible uts handling])
232 AC_MSG_CHECKING([for supported APIs])
233 AC_ARG_ENABLE([apis],
234 [AC_HELP_STRING([--enable-apis=APIS],
235 [enable support for the given apis; possible values are: legacy,compat,v11,fscompat,v13obs,v13,net, ALL,NOLEGACY (default: v13,net,v21)])],
237 [enable_apis=v13,net,v21])
239 test x"$enable_apis" != xALL || enable_apis='legacy,compat,v11,fscompat,v13obs,v13,net,v21'
240 test x"$enable_apis" != xNOLEGACY || enable_apis='compat,v11,fscompat,v13,net,v21'
246 for i in $enable_apis; do
248 (compat) AC_DEFINE(VC_ENABLE_API_COMPAT, 1)
249 enable_api_oldproc=${enable_api_oldproc:-1}
250 enable_api_olduts=${enable_api_olduts:-1}
252 (legacy) AC_DEFINE(VC_ENABLE_API_LEGACY, 1)
253 enable_api_oldproc=${enable_api_oldproc:-1}
254 enable_api_olduts=${enable_api_olduts:-1}
256 (v11) AC_DEFINE(VC_ENABLE_API_V11, 1)
257 enable_api_oldproc=${enable_api_oldproc:-1}
258 enable_api_olduts=${enable_api_olduts:-1}
260 (fscompat) AC_DEFINE(VC_ENABLE_API_FSCOMPAT, 1);;
261 (v13obs) AC_DEFINE(VC_ENABLE_API_V13OBS, 1)
262 AC_DEFINE(VC_ENABLE_API_V13, 1);;
263 (v13) AC_DEFINE(VC_ENABLE_API_V13, 1);;
264 (net) AC_DEFINE(VC_ENABLE_API_NET, 1);;
265 (v21) AC_DEFINE(VC_ENABLE_API_V21, 1);;
266 (oldproc) enable_api_oldproc=2;;
267 (olduts) enable_api_olduts=2;;
268 (*) AC_MSG_ERROR(['$i' is not a supported API]);;
272 if test x"$enable_api_oldproc" != x; then
273 AC_DEFINE(VC_ENABLE_API_OLDPROC, 1)
274 test x"$enable_api_oldproc" != x2 && enable_apis="$enable_apis,oldproc"
276 if test x"$enable_api_olduts" != x; then
277 AC_DEFINE(VC_ENABLE_API_OLDUTS, 1)
278 test x"$enable_api_olduts" != x2 && enable_apis="$enable_apis,olduts"
280 AC_MSG_RESULT([$enable_apis])
282 dnl the check for used APIs ends here}
284 dnl ##########################
287 ENSC_CHECK_EXT2FS_HEADER
288 AC_CHECK_FUNCS([vserver])
289 AC_CHECK_DECLS(MS_MOVE,,,[#include <linux/fs.h>])
290 AC_CHECK_TYPES(xid_t,,,[#include <sys/types.h>])
291 AC_CHECK_TYPES(nid_t,,,[#include <sys/types.h>])
293 AC_CHECK_HEADERS([sys/capability.h])
295 dnl vlogin might need -lutil
296 if test x"$ensc_have_dietlibc" = xno; then
297 AC_CHECK_FUNC([openpty],, [AC_CHECK_LIB([util], [openpty],, [AC_MSG_ERROR([
299 **** openpty could not be found
304 dnl ########################
306 dnl {check for beecrypt
308 if test x"$ensc_cv_c99_c99compiler" = xyes; then
309 ensc_have_beecrypt=yes
311 if test x"$ensc_have_beecrypt" = xyes; then
312 AC_CHECK_HEADER([beecrypt/beecrypt.h], [ : ],
313 [ ensc_have_beecrypt=no ])
316 if test x"$ensc_have_beecrypt" = xyes; then
317 AC_CHECK_LIB(beecrypt, hashFunctionContextInit, [ : ],
318 [ ensc_have_beecrypt=no ])
321 if test x"$ensc_have_beecrypt" != xyes; then
324 **** 'beecrypt' could not be found;
325 **** this will disable the build of 'vhashify'
329 ensc_have_beecrypt=no
332 AM_CONDITIONAL(ENSC_HAVE_BEECRYPT, test x"$ensc_have_beecrypt" = xyes)
333 AM_CONDITIONAL(ENSC_CAN_BEECRYPT_WITH_DIETLIBC, false)
335 dnl beecrypt stuff ends here}
337 dnl ########################
339 dnl ########################
345 LIBNL_ROOT=`readlink -f ../libnl*/`
346 if test -d "$LIBNL_ROOT"; then
347 CFLAGS="$CFLAGS -I ${LIBNL_ROOT}/include"
348 LDFLAGS="$LDFLAGS -L${LIBNL_ROOT}/lib"
351 if test x"$ensc_have_libnl" = xyes; then
352 AC_CHECK_HEADERS([asm/types.h stdint.h], [ : ],
353 [ ensc_have_libnl=no ])
354 for b in 8 16 32 64; do
356 ensc_libnl_stdint_type=
357 if test x"$s" = xu; then
358 ensc_libnl_stdint_type=u
360 ensc_libnl_stdint_type="${ensc_libnl_stdint_type}int${b}_t"
361 AC_CHECK_TYPES([__${s}${b}], [ : ],
362 [AC_DEFINE_UNQUOTED([__${s}${b}],
363 [$ensc_libnl_stdint_type],
365 [AC_INCLUDES_DEFAULT()
366 #ifdef HAVE_ASM_TYPES_H
367 # include <asm/types.h>
374 if test x"$ensc_have_libnl" = xyes; then
375 AC_CHECK_HEADERS([netlink/netlink.h netlink/route/addr.h], [ : ],
376 [ ensc_have_libnl=no ], [AC_INCLUDES_DEFAULT()
377 #ifdef HAVE_ASM_TYPES_H
378 # include <asm/types.h>
383 if test x"$ensc_have_libnl" = xyes; then
384 AC_CHECK_LIB(nl, rtnl_addr_alloc, [ : ],
385 [ ensc_have_libnl=no ])
388 if test x"$ensc_have_libnl" != xyes; then
391 **** 'libnl' could not be found;
392 **** this will disable the build of 'vip6-autod'
396 AM_CONDITIONAL(ENSC_HAVE_LIBNL, test x"$ensc_have_libnl" = xyes)
399 dnl libnl stuff ends here}
401 dnl #######################
404 dnl Check what distro this is, use Gentoo initscripts if appropriate
405 AC_MSG_CHECKING([for host initscripts])
406 AC_ARG_WITH(initscripts, AC_HELP_STRING([--with-initscripts=TYPE], [force host initscripts; valid values are 'gentoo' and 'sysv' (default: guess)]), [
408 gentoo) ensc_with_init=gentoo;;
409 sysv) ensc_with_init=sysv;;
410 *) AC_MSG_ERROR([invalid initscripts value, only gentoo and sysv are supported]);;
413 if test -e /etc/gentoo-release; then
414 ensc_with_init=gentoo
419 AC_MSG_RESULT([$ensc_with_init])
420 AM_CONDITIONAL(HAVE_GENTOO_INIT, test x"$ensc_with_init" = xgentoo)
421 AM_CONDITIONAL(HAVE_SYSV_INIT, test x"$ensc_with_init" = xsysv)
424 dnl BIG HACK! Do some autodetection here!
425 AC_DEFINE(UTMP_GID, [22], [The utmp gid-number])
428 AC_DEFINE(HAVE_GROWING_STACK, [1], [Define to 1 if the stack is on growing addresses])
431 AC_DEFINE(_FILE_OFFSET_BITS, [64], [Use 64bit interface for filesystem operations])
433 dnl ########################
435 dnl {The final info-page
437 ensc_cxx_affected=" (affected: vbuild, vcheck)"
438 ensc_c99_affected=" (affected: vunify, vcopy, vhashify, vdlimit)"
439 ensc_diet_msg=" (you have been warned)"
440 ensc_diet_version_msg=" ($ensc_version_dietlibc)"
441 ensc_diet_compat_msg=" (using -lcompat)"
442 test x"$ensc_cv_cxx_cxxcompiler" = xno || ensc_cxx_affected=
443 test x"$ensc_cv_c99_c99compiler" = xno || ensc_c99_affected=
444 test x"$ensc_have_dietlibc" = xno || ensc_diet_msg=
445 test x"$ensc_version_dietlibc" != x || ensc_diet_version_msg=
446 test x"$ensc_have_dietlibc$ensc_cv_c_dietlibc_compat" = xyesyes || ensc_diet_compat_msg=
448 AH_BOTTOM([#include "compat.h"
450 AC_CONFIG_COMMANDS_PRE([
453 CC: $CC, $($CC --version | sed -e '1p;d')
454 CXX: $CXX, $($CXX --version | sed -e '1p;d')
455 CPPFLAGS: '$CPPFLAGS'
457 CXXFLAGS: '$CXXFLAGS'
458 build/host: $build/$host
459 Use dietlibc: $ensc_have_dietlibc$ensc_diet_version_msg$ensc_diet_msg$ensc_diet_compat_msg
460 Build C++ programs: $ensc_cv_cxx_cxxcompiler$ensc_cxx_affected
461 Build C99 programs: $ensc_cv_c99_c99compiler$ensc_c99_affected
462 Available APIs: $enable_apis
463 ext2fs Source: $ensc_cv_test_ext2fs_header
464 syscall(2) invocation: $with_syscall
465 vserver(2) syscall#: $ensc_cv_value_syscall_vserver
469 sysconf-Directory: $sysconfdir
470 cfg-Directory: $sysconfdir/vservers
471 initrd-Directory: $initrddir
472 pkgstate-Directory: $localstatedir/run/vservers
473 vserver-Rootdir: $vserverdir
475 echo "$FEATURES_TXT" >FEATURES.txt
478 dnl final info-page ends here}
480 dnl ########################
482 AC_CONFIG_FILES([util-vserver.spec Makefile distrib/Makefile lib/apidoc/Doxyfile])