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, 0.30.205, enrico.scholz@informatik.tu-chemnitz.de)
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([$PATH:/sbin:/usr/sbin:/usr/local/sbin])
49 ENSC_PATHPROG_STANDARD_TOOLS
51 ENSC_PATHPROG(IP, ip,, [Usually, this tool is shipped in the 'iproute' or 'iproute2' package of your distribution])
52 ENSC_PATHPROG(IPTABLES, iptables)
53 ENSC_PATHPROG(MODPROBE, modprobe)
54 ENSC_PATHPROG(NAMEIF, nameif)
55 ENSC_PATHPROG(RMMOD, rmmod)
56 ENSC_PATHPROG(VCONFIG, vconfig,, [See http://www.candelatech.com/~greear/vlan.html; usually this tool is shipped in the 'vconfig' or 'vlan' package of your distribution])
57 ENSC_PATHPROG(WGET, wget)
59 ENSC_PATHPROG(DOXYGEN, doxygen, [:])
60 ENSC_PATHPROG(XSLTP, xsltp, [:])
61 ENSC_PATHPROG(XSLTPROC, xsltproc, [:])
64 AM_CONDITIONAL(HAVE_XSLTP, test "$XSLTP" != ':')
65 AM_CONDITIONAL(HAVE_XSLTPROC, test "$XSLTPROC" != ':')
68 ENSC_CHECK_CC_FLAG([-std=c99 -Wall -pedantic -W])
69 ENSC_CHECK_CXX_FLAG([-ansi -Wall -pedantic -W -fmessage-length=0])
74 AC_MSG_CHECKING([whether to enable debug-code in library])
75 AC_ARG_ENABLE([lib-debug],
76 [AC_HELP_STRING([--enable-lib-debug],
77 [enable additional debug code in library (default: no)])],
79 yes) use_lib_debug=1;;
81 *) AC_MSG_ERROR(['$enableval' is not a valid value for '--enable-lib-debug']);;
85 if test x"$use_lib_debug" = x; then
86 AC_SUBST(LIB_DEBUG_CPPFLAGS, [-DNDEBUG])
89 AC_SUBST(LIB_DEBUG_CPPFLAGS, [])
93 AC_MSG_CHECKING([whether to enable expensive tests])
94 AC_ARG_ENABLE([expensive-tests],
95 [AC_HELP_STRING([--disable-expensive-tests],
96 [disable tests which might be expensive on some systems (default: no)])],
98 (yes|no) use_expensive_tests=$enableval;;
99 (*) AC_MSG_ERROR(['$enableval' is not a valid value for '--disable-expensive-tests']);;
101 [ use_expensive_tests=yes ])
102 AC_MSG_RESULT($use_expensive_tests)
104 AC_SUBST(ENSC_USE_EXPENSIVE_TESTS, "$use_expensive_tests")
107 AC_ARG_VAR(CC, [The C compiler])
109 ENSC_INITRDDIR(initrddir)
110 ENSC_RELEASE(RELEASE_CPPFLAGS)
112 dnl ###########################
114 dnl {some dietlibc related tests
116 ENSC_ENABLE_DIETLIBC(USE_DIETLIBC, [0.25])
118 if test x"$ensc_have_dietlibc" = xno; then
119 AC_MSG_WARN([*** ***])
120 AC_MSG_WARN([*** it is strongly recommended to link util-vserver against ***])
121 AC_MSG_WARN([*** dietlibc; glibc's NSS functions are very unreliable in ***])
122 AC_MSG_WARN([*** chroot() environments, so you have to expect problems ***])
123 AC_MSG_WARN([*** there. ***])
124 AC_MSG_WARN([*** ***])
125 AM_CONDITIONAL(USE_DIETLIBC_COMPAT, false)
127 # HACK: libtool does not have cmdline options to build only
128 # dynamic libraries; this can be done with the
129 # '--disable-static' ./configure option only. As our static
130 # libraries will be build with dietlibc, we have to do set
131 # this option which is evaluated by 'AC_PROG_LIBTOOL'
132 # below. Therefore, this macro must not be called earlier.
135 ENSC_DIETLIBC_SANITYCHECK
136 ENSC_DIETLIBC_NEED_COMPAT(USE_DIETLIBC_COMPAT)
139 # HACK: see comments at 'enable_static' above
142 dnl dietlibc stuff ends here}
144 dnl ##########################
147 ENSC_KERNEL_HEADERS(kernelincludedir)
148 ENSC_UV_VROOTDIR(vserverdir)
149 ENSC_CHANGELOG([trunk])
152 dnl ##########################
154 dnl {Check whether to use external kernel headers
156 AC_MSG_CHECKING([whether to use internal kernel headers])
157 AC_ARG_ENABLE([internal-headers],
158 [AC_HELP_STRING([--disable-internal-headers],
159 [use vserver specific headers from the kernel instead of the shipped versions (default: no)])],
160 [case "$enableval" in
162 (*) AC_MSG_ERROR(['$i' is not a supported value for '--disable-internal-headers']);;
164 [enable_internal_headers=yes])
166 AM_CONDITIONAL(ENSC_ENABLE_INTERNAL_HEADERS, [test x"$enable_internal_headers" = xyes])
167 AC_MSG_RESULT([$enable_internal_headers])
169 dnl the check regarding external kernel headers ends here}
171 dnl ##########################
173 dnl ##########################
175 dnl {Check for the APIs to be used
177 AC_MSG_CHECKING([for supported APIs])
178 AC_ARG_ENABLE([apis],
179 [AC_HELP_STRING([--enable-apis=APIS],
180 [enable support for the given apis; possible values are: legacy,compat,v11,v13,fscompat,net,ALL (default: all except 'legacy')])],
182 [enable_apis=compat,v11,v13,fscompat,net])
184 test x"$enable_apis" != xALL || enable_apis='legacy,compat,v11,v13,fscompat,net'
189 for i in $enable_apis; do
191 (compat) AC_DEFINE(VC_ENABLE_API_COMPAT, 1, [Enable support for compatibility syscall API])
195 (legacy) AC_DEFINE(VC_ENABLE_API_LEGACY, 1, [Enable support for old, /proc parsing API])
196 enable_api_old_proc=1
199 (v11) AC_DEFINE(VC_ENABLE_API_V11, 1, [Enable support for API of vserver 1.1.x])
203 (v13) AC_DEFINE(VC_ENABLE_API_V13, 1, [Enable support for API of vserver 1.3.x]);;
204 (net) AC_DEFINE(VC_ENABLE_API_NET, 1, [Enable support for network context API]);;
205 (fscompat) AC_DEFINE(VC_ENABLE_API_FSCOMPAT, 1, [Enable support for filesystem compatibility API]);;
206 (*) AC_MSG_ERROR(['$i' is not a supported API]);;
210 if test x"$enable_api_oldproc" != x; then
211 AC_DEFINE(VC_ENABLE_API_OLDPROC, 1, [Enable API for a backward compatible /proc parsing])
212 enable_apis="$enable_apis,oldproc"
214 if test x"$enable_api_olduts" != x; then
215 AC_DEFINE(VC_ENABLE_API_OLDUTS, 1, [Enable API for a backward compatible uts handling])
216 enable_apis="$enable_apis,olduts"
218 AC_MSG_RESULT([$enable_apis])
220 dnl the check for used APIs ends here}
222 dnl ##########################
225 ENSC_SYSCALLNR(vserver,273)
227 ENSC_CHECK_EXT2FS_HEADER
228 AC_CHECK_FUNCS([vserver])
229 AC_CHECK_DECLS(MS_MOVE,,,[#include <linux/fs.h>])
230 AC_CHECK_TYPES(xid_t,,,[#include <sys/types.h>])
231 AC_CHECK_TYPES(nid_t,,,[#include <sys/types.h>])
233 AC_CHECK_HEADERS([sys/capability.h])
236 dnl ########################
238 dnl {check for beecrypt
240 if test x"$ensc_cv_c99_c99compiler" = xyes; then
241 ensc_have_beecrypt=yes
243 if test x"$ensc_have_beecrypt" = xyes; then
244 AC_CHECK_HEADER([beecrypt/beecrypt.h], [ : ],
245 [ ensc_have_beecrypt=no ])
248 if test x"$ensc_have_beecrypt" = xyes; then
249 AC_CHECK_LIB(beecrypt, hashFunctionContextInit, [ : ],
250 [ ensc_have_beecrypt=no ])
253 if test x"$ensc_have_beecrypt" != xyes; then
256 **** 'beecrypt' could not be found;
257 **** this will disable the build of 'vhashify'
261 ensc_have_beecrypt=no
264 AM_CONDITIONAL(ENSC_HAVE_BEECRYPT, test x"$ensc_have_beecrypt" = xyes)
265 AM_CONDITIONAL(ENSC_CAN_BEECRYPT_WITH_DIETLIBC, false)
267 dnl beecrypt stuff ends here}
269 dnl ########################
272 dnl BIG HACK! Do some autodetection here!
273 AC_DEFINE(UTMP_GID, [22], [The utmp gid-number])
276 AC_DEFINE(HAVE_GROWING_STACK, [1], [Define to 1 if the stack is on growing addresses])
279 AC_DEFINE(_FILE_OFFSET_BITS, [64], [Use 64bit interface for filesystem operations])
281 dnl ########################
283 dnl {The final info-page
285 ensc_cxx_affected=" (affected: vbuild, vcheck)"
286 ensc_c99_affected=" (affected: vunify, vcopy, vhashify, vdlimit)"
287 ensc_diet_msg=" (you have been warned)"
288 ensc_diet_version_msg=" ($ensc_version_dietlibc)"
289 ensc_diet_compat_msg=" (using -lcompat)"
290 test x"$ensc_cv_cxx_cxxcompiler" = xno || ensc_cxx_affected=
291 test x"$ensc_cv_c99_c99compiler" = xno || ensc_c99_affected=
292 test x"$ensc_have_dietlibc" = xno || ensc_diet_msg=
293 test x"$ensc_version_dietlibc" != x || ensc_diet_version_msg=
294 test x"$ensc_have_dietlibc$ensc_cv_c_dietlibc_compat" = xyesyes || ensc_diet_compat_msg=
296 AH_BOTTOM([#include "compat.h"
298 AC_CONFIG_COMMANDS_PRE([
301 CC: $CC, $($CC --version | sed -e '1p;d')
302 CXX: $CXX, $($CXX --version | sed -e '1p;d')
303 CPPFLAGS: '$CPPFLAGS'
305 CXXFLAGS: '$CXXFLAGS'
306 build/host: $build/$host
307 Use dietlibc: $ensc_have_dietlibc$ensc_diet_version_msg$ensc_diet_msg$ensc_diet_compat_msg
308 Build C++ programs: $ensc_cv_cxx_cxxcompiler$ensc_cxx_affected
309 Build C99 programs: $ensc_cv_c99_c99compiler$ensc_c99_affected
310 Available APIs: $enable_apis
311 ext2fs Source: $ensc_cv_test_ext2fs_header
312 syscall(2) invocation: $with_syscall
313 vserver(2) syscall#: $ensc_cv_value_syscall_vserver
317 sysconf-Directory: $sysconfdir
318 cfg-Directory: $sysconfdir/vservers
319 initrd-Directory: $initrddir
320 pkgstate-Directory: $localstatedir/run/vservers
321 Kernelheaders: $kernelincludedir
322 vserver-Rootdir: $vserverdir
324 echo "$FEATURES_TXT" >FEATURES.txt
327 dnl final info-page ends here}
329 dnl ########################
331 AC_CONFIG_FILES([util-vserver.spec Makefile distrib/Makefile lib/apidoc/Doxyfile])