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, 0.30.211, 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.
48 ENSC_SET_SEARCHPATH([$PATH:/sbin:/usr/sbin:/usr/local/sbin])
49 ENSC_PATHPROG_STANDARD_TOOLS
51 ENSC_PATHPROG(IP, ip,, [Usually, this tool is shipped in the 'iproute' or 'iproute2' package of your distribution])
52 ENSC_PATHPROG(IPTABLES, iptables)
53 ENSC_PATHPROG(MODPROBE, modprobe)
54 ENSC_PATHPROG(NAMEIF, nameif)
55 ENSC_PATHPROG(NOHUP, nohup)
56 ENSC_PATHPROG(RMMOD, rmmod)
57 ENSC_PATHPROG(VCONFIG, vconfig,, [See http://www.candelatech.com/~greear/vlan.html; usually this tool is shipped in the 'vconfig' or 'vlan' package of your distribution])
58 ENSC_PATHPROG(WGET, wget)
59 ENSC_PATHPROG(FILE, file, [file])
60 ENSC_PATHPROG(GZIP, gzip, [gzip])
61 ENSC_PATHPROG(BZIP2, bzip2, [bzip2])
62 ENSC_PATHPROG(CPIO, cpio, [cpio])
63 ENSC_PATHPROG(RESTORE, restore, [restore])
65 ENSC_PATHPROG(DOXYGEN, doxygen, [:])
66 ENSC_PATHPROG(XSLTP, xsltp, [:])
67 ENSC_PATHPROG(XSLTPROC, xsltproc, [:])
70 AM_CONDITIONAL(HAVE_XSLTP, test "$XSLTP" != ':')
71 AM_CONDITIONAL(HAVE_XSLTPROC, test "$XSLTPROC" != ':')
73 if test x"$prefix" = x/; then
77 ENSC_CHECK_CC_FLAG([-std=c99 -Wall -pedantic -W])
78 ENSC_CHECK_CXX_FLAG([-ansi -Wall -pedantic -W -fmessage-length=0])
80 AC_MSG_CHECKING([whether to enable extra optimizations])
81 AC_ARG_ENABLE([extra-optimizations],
82 [AC_HELP_STRING([--disable-extra-optimizations],
83 [disable certain extra optimizations (default: no)])],
85 (yes) use_extra_optimizations=1;;
86 (no) use_extra_optimizations=;;
87 (*) AC_MSG_ERROR(['$enableval' is not a valid value for '--disable-extra-optimizations']);;
89 [use_extra_optimizations=1])
91 if test x"$use_extra_optimizations" = x; then
95 ENSC_CHECK_CC_FLAG([-funit-at-a-time])
96 ENSC_CHECK_CXX_FLAG([-funit-at-a-time])
99 AC_MSG_CHECKING([whether to enable debug-code in library])
100 AC_ARG_ENABLE([lib-debug],
101 [AC_HELP_STRING([--enable-lib-debug],
102 [enable additional debug code in library (default: no)])],
103 [case "$enableval" in
104 (yes) use_lib_debug=1;;
105 (no) use_lib_debug=;;
106 (*) AC_MSG_ERROR(['$enableval' is not a valid value for '--enable-lib-debug']);;
110 if test x"$use_lib_debug" = x; then
111 AC_SUBST(LIB_DEBUG_CPPFLAGS, [-DNDEBUG])
114 AC_SUBST(LIB_DEBUG_CPPFLAGS, [])
118 AC_MSG_CHECKING([whether to enable expensive tests])
119 AC_ARG_ENABLE([expensive-tests],
120 [AC_HELP_STRING([--enable-expensive-tests],
121 [disable tests which might be expensive on some systems (default: no)])],
122 [case "$enableval" in
123 (yes|no) use_expensive_tests=$enableval;;
124 (*) AC_MSG_ERROR(['$enableval' is not a valid value for '--enable-expensive-tests']);;
126 [ use_expensive_tests=no ])
127 AC_MSG_RESULT($use_expensive_tests)
129 AC_SUBST(ENSC_USE_EXPENSIVE_TESTS, "$use_expensive_tests")
132 ENSC_CHECK_PERSONALITY_FLAGS
134 AC_ARG_VAR(CC, [The C compiler])
136 ENSC_INITRDDIR(initrddir)
137 ENSC_RELEASE(RELEASE_CPPFLAGS)
139 dnl ###########################
141 dnl {some dietlibc related tests
145 (i*86|athlon) min_diet_ver=0.25;;
146 (ia64|hppa*) min_diet_ver=0.29;;
147 (sparc*) min_diet_ver=0.30;;
148 (*) min_diet_ver=0.28;;
151 ENSC_ENABLE_DIETLIBC(USE_DIETLIBC, [$min_diet_ver])
153 if test x"$ensc_have_dietlibc" = xno; then
154 AC_MSG_WARN([*** ***])
155 AC_MSG_WARN([*** it is strongly recommended to link util-vserver against ***])
156 AC_MSG_WARN([*** dietlibc; glibc's NSS functions are very unreliable in ***])
157 AC_MSG_WARN([*** chroot() environments, so you have to expect problems ***])
158 AC_MSG_WARN([*** there. ***])
159 AC_MSG_WARN([*** ***])
160 AM_CONDITIONAL(USE_DIETLIBC_COMPAT, false)
162 # HACK: libtool does not have cmdline options to build only
163 # dynamic libraries; this can be done with the
164 # '--disable-static' ./configure option only. As our static
165 # libraries will be build with dietlibc, we have to do set
166 # this option which is evaluated by 'AC_PROG_LIBTOOL'
167 # below. Therefore, this macro must not be called earlier.
170 ENSC_DIETLIBC_SANITYCHECK
171 ENSC_DIETLIBC_NEED_COMPAT(USE_DIETLIBC_COMPAT)
174 AM_CONDITIONAL(ENSC_USE_DIETLIBC, test x"$ensc_have_dietlibc" = xyes)
175 AM_CONDITIONAL(ENSC_USE_GLIBC, true)
177 # HACK: see comments at 'enable_static' above
180 dnl dietlibc stuff ends here}
182 dnl ##########################
185 ENSC_UV_VROOTDIR(vserverdir)
189 dnl ##########################
191 dnl {Check whether to use external kernel headers
193 AC_MSG_CHECKING([whether to use internal kernel headers])
194 AC_ARG_ENABLE([internal-headers],
195 [AC_HELP_STRING([--disable-internal-headers],
196 [use vserver specific headers from the kernel instead of the shipped versions (default: no)])],
197 [case "$enableval" in
199 (*) AC_MSG_ERROR(['$i' is not a supported value for '--disable-internal-headers']);;
201 [enable_internal_headers=yes])
203 AM_CONDITIONAL(ENSC_ENABLE_INTERNAL_HEADERS, [test x"$enable_internal_headers" = xyes])
204 AC_MSG_RESULT([$enable_internal_headers])
206 dnl the check regarding external kernel headers ends here}
208 dnl ##########################
210 dnl ##########################
212 dnl {Check for the APIs to be used
214 AH_TEMPLATE(VC_ENABLE_API_COMPAT, [Enable support for compatibility syscall API])
215 AH_TEMPLATE(VC_ENABLE_API_LEGACY, [Enable support for old, /proc parsing API])
216 AH_TEMPLATE(VC_ENABLE_API_V11, [Enable support for API of vserver 1.1.x])
217 AH_TEMPLATE(VC_ENABLE_API_FSCOMPAT, [Enable support for filesystem compatibility API])
218 AH_TEMPLATE(VC_ENABLE_API_V13OBS, [Enable support for some obsoleted API of vserver 1.3.x])
219 AH_TEMPLATE(VC_ENABLE_API_V13, [Enable support for API of vserver 1.3.x])
220 AH_TEMPLATE(VC_ENABLE_API_NET, [Enable support for network context API])
221 AH_TEMPLATE(VC_ENABLE_API_V21, [Enable support for API of vserver 2.1.x])
222 AH_TEMPLATE(VC_ENABLE_API_OLDPROC, [Enable API for a backward compatible /proc parsing])
223 AH_TEMPLATE(VC_ENABLE_API_OLDUTS, [Enable API for a backward compatible uts handling])
225 AC_MSG_CHECKING([for supported APIs])
226 AC_ARG_ENABLE([apis],
227 [AC_HELP_STRING([--enable-apis=APIS],
228 [enable support for the given apis; possible values are: legacy,compat,v11,fscompat,v13obs,v13,net, ALL,NOLEGACY (default: v13,net,v21)])],
230 [enable_apis=v13,net,v21])
232 test x"$enable_apis" != xALL || enable_apis='legacy,compat,v11,fscompat,v13obs,v13,net,v21'
233 test x"$enable_apis" != xNOLEGACY || enable_apis='compat,v11,fscompat,v13,net,v21'
239 for i in $enable_apis; do
241 (compat) AC_DEFINE(VC_ENABLE_API_COMPAT, 1)
242 enable_api_oldproc=${enable_api_oldproc:-1}
243 enable_api_olduts=${enable_api_olduts:-1}
245 (legacy) AC_DEFINE(VC_ENABLE_API_LEGACY, 1)
246 enable_api_oldproc=${enable_api_oldproc:-1}
247 enable_api_olduts=${enable_api_olduts:-1}
249 (v11) AC_DEFINE(VC_ENABLE_API_V11, 1)
250 enable_api_oldproc=${enable_api_oldproc:-1}
251 enable_api_olduts=${enable_api_olduts:-1}
253 (fscompat) AC_DEFINE(VC_ENABLE_API_FSCOMPAT, 1);;
254 (v13obs) AC_DEFINE(VC_ENABLE_API_V13OBS, 1)
255 AC_DEFINE(VC_ENABLE_API_V13, 1);;
256 (v13) AC_DEFINE(VC_ENABLE_API_V13, 1);;
257 (net) AC_DEFINE(VC_ENABLE_API_NET, 1);;
258 (v21) AC_DEFINE(VC_ENABLE_API_V21, 1);;
259 (oldproc) enable_api_oldproc=2;;
260 (olduts) enable_api_olduts=2;;
261 (*) AC_MSG_ERROR(['$i' is not a supported API]);;
265 if test x"$enable_api_oldproc" != x; then
266 AC_DEFINE(VC_ENABLE_API_OLDPROC, 1)
267 test x"$enable_api_oldproc" != x2 && enable_apis="$enable_apis,oldproc"
269 if test x"$enable_api_olduts" != x; then
270 AC_DEFINE(VC_ENABLE_API_OLDUTS, 1)
271 test x"$enable_api_olduts" != x2 && enable_apis="$enable_apis,olduts"
273 AC_MSG_RESULT([$enable_apis])
275 dnl the check for used APIs ends here}
277 dnl ##########################
280 ENSC_SYSCALLNR(vserver,273,[lib/syscall-fallback.h])
282 ENSC_CHECK_EXT2FS_HEADER
283 AC_CHECK_FUNCS([vserver])
284 AC_CHECK_DECLS(MS_MOVE,,,[#include <linux/fs.h>])
285 AC_CHECK_TYPES(xid_t,,,[#include <sys/types.h>])
286 AC_CHECK_TYPES(nid_t,,,[#include <sys/types.h>])
288 AC_CHECK_HEADERS([sys/capability.h])
290 dnl vlogin might need -lutil
291 if test x"$ensc_have_dietlibc" = xno; then
292 AC_CHECK_FUNC([openpty],, [AC_CHECK_LIB([util], [openpty],, [AC_MSG_ERROR([
294 **** openpty could not be found
299 dnl ########################
301 dnl {check for beecrypt
303 if test x"$ensc_cv_c99_c99compiler" = xyes; then
304 ensc_have_beecrypt=yes
306 if test x"$ensc_have_beecrypt" = xyes; then
307 AC_CHECK_HEADER([beecrypt/beecrypt.h], [ : ],
308 [ ensc_have_beecrypt=no ])
311 if test x"$ensc_have_beecrypt" = xyes; then
312 AC_CHECK_LIB(beecrypt, hashFunctionContextInit, [ : ],
313 [ ensc_have_beecrypt=no ])
316 if test x"$ensc_have_beecrypt" != xyes; then
319 **** 'beecrypt' could not be found;
320 **** this will disable the build of 'vhashify'
324 ensc_have_beecrypt=no
327 AM_CONDITIONAL(ENSC_HAVE_BEECRYPT, test x"$ensc_have_beecrypt" = xyes)
328 AM_CONDITIONAL(ENSC_CAN_BEECRYPT_WITH_DIETLIBC, false)
330 dnl beecrypt stuff ends here}
332 dnl ########################
335 dnl BIG HACK! Do some autodetection here!
336 AC_DEFINE(UTMP_GID, [22], [The utmp gid-number])
339 AC_DEFINE(HAVE_GROWING_STACK, [1], [Define to 1 if the stack is on growing addresses])
342 AC_DEFINE(_FILE_OFFSET_BITS, [64], [Use 64bit interface for filesystem operations])
344 dnl ########################
346 dnl {The final info-page
348 ensc_cxx_affected=" (affected: vbuild, vcheck)"
349 ensc_c99_affected=" (affected: vunify, vcopy, vhashify, vdlimit)"
350 ensc_diet_msg=" (you have been warned)"
351 ensc_diet_version_msg=" ($ensc_version_dietlibc)"
352 ensc_diet_compat_msg=" (using -lcompat)"
353 test x"$ensc_cv_cxx_cxxcompiler" = xno || ensc_cxx_affected=
354 test x"$ensc_cv_c99_c99compiler" = xno || ensc_c99_affected=
355 test x"$ensc_have_dietlibc" = xno || ensc_diet_msg=
356 test x"$ensc_version_dietlibc" != x || ensc_diet_version_msg=
357 test x"$ensc_have_dietlibc$ensc_cv_c_dietlibc_compat" = xyesyes || ensc_diet_compat_msg=
359 AH_BOTTOM([#include "compat.h"
361 AC_CONFIG_COMMANDS_PRE([
364 CC: $CC, $($CC --version | sed -e '1p;d')
365 CXX: $CXX, $($CXX --version | sed -e '1p;d')
366 CPPFLAGS: '$CPPFLAGS'
368 CXXFLAGS: '$CXXFLAGS'
369 build/host: $build/$host
370 Use dietlibc: $ensc_have_dietlibc$ensc_diet_version_msg$ensc_diet_msg$ensc_diet_compat_msg
371 Build C++ programs: $ensc_cv_cxx_cxxcompiler$ensc_cxx_affected
372 Build C99 programs: $ensc_cv_c99_c99compiler$ensc_c99_affected
373 Available APIs: $enable_apis
374 ext2fs Source: $ensc_cv_test_ext2fs_header
375 syscall(2) invocation: $with_syscall
376 vserver(2) syscall#: $ensc_cv_value_syscall_vserver
380 sysconf-Directory: $sysconfdir
381 cfg-Directory: $sysconfdir/vservers
382 initrd-Directory: $initrddir
383 pkgstate-Directory: $localstatedir/run/vservers
384 vserver-Rootdir: $vserverdir
386 echo "$FEATURES_TXT" >FEATURES.txt
389 dnl final info-page ends here}
391 dnl ########################
393 AC_CONFIG_FILES([util-vserver.spec Makefile distrib/Makefile lib/apidoc/Doxyfile])