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, 0.30.206, 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, "$use_expensive_tests")
107 AC_ARG_VAR(CC, [The C compiler])
109 ENSC_INITRDDIR(initrddir)
110 ENSC_RELEASE(RELEASE_CPPFLAGS)
112 dnl ###########################
114 dnl {some dietlibc related tests
118 (i*86|athlon) min_diet_ver=0.25;;
119 (*) min_diet_ver=0.29;;
122 ENSC_ENABLE_DIETLIBC(USE_DIETLIBC, [$min_diet_ver])
124 if test x"$ensc_have_dietlibc" = xno; then
125 AC_MSG_WARN([*** ***])
126 AC_MSG_WARN([*** it is strongly recommended to link util-vserver against ***])
127 AC_MSG_WARN([*** dietlibc; glibc's NSS functions are very unreliable in ***])
128 AC_MSG_WARN([*** chroot() environments, so you have to expect problems ***])
129 AC_MSG_WARN([*** there. ***])
130 AC_MSG_WARN([*** ***])
131 AM_CONDITIONAL(USE_DIETLIBC_COMPAT, false)
133 # HACK: libtool does not have cmdline options to build only
134 # dynamic libraries; this can be done with the
135 # '--disable-static' ./configure option only. As our static
136 # libraries will be build with dietlibc, we have to do set
137 # this option which is evaluated by 'AC_PROG_LIBTOOL'
138 # below. Therefore, this macro must not be called earlier.
141 ENSC_DIETLIBC_SANITYCHECK
142 ENSC_DIETLIBC_NEED_COMPAT(USE_DIETLIBC_COMPAT)
145 AM_CONDITIONAL(ENSC_USE_DIETLIBC, test x"$ensc_have_dietlibc" = xyes)
146 AM_CONDITIONAL(ENSC_USE_GLIBC, true)
148 # HACK: see comments at 'enable_static' above
151 dnl dietlibc stuff ends here}
153 dnl ##########################
156 ENSC_KERNEL_HEADERS(kernelincludedir)
157 ENSC_UV_VROOTDIR(vserverdir)
158 ENSC_CHANGELOG([trunk])
161 dnl ##########################
163 dnl {Check whether to use external kernel headers
165 AC_MSG_CHECKING([whether to use internal kernel headers])
166 AC_ARG_ENABLE([internal-headers],
167 [AC_HELP_STRING([--disable-internal-headers],
168 [use vserver specific headers from the kernel instead of the shipped versions (default: no)])],
169 [case "$enableval" in
171 (*) AC_MSG_ERROR(['$i' is not a supported value for '--disable-internal-headers']);;
173 [enable_internal_headers=yes])
175 AM_CONDITIONAL(ENSC_ENABLE_INTERNAL_HEADERS, [test x"$enable_internal_headers" = xyes])
176 AC_MSG_RESULT([$enable_internal_headers])
178 dnl the check regarding external kernel headers ends here}
180 dnl ##########################
182 dnl ##########################
184 dnl {Check for the APIs to be used
186 AC_MSG_CHECKING([for supported APIs])
187 AC_ARG_ENABLE([apis],
188 [AC_HELP_STRING([--enable-apis=APIS],
189 [enable support for the given apis; possible values are: legacy,compat,v11,v13,fscompat,net,ALL (default: all except 'legacy')])],
191 [enable_apis=compat,v11,v13,fscompat,net])
193 test x"$enable_apis" != xALL || enable_apis='legacy,compat,v11,v13,fscompat,net'
198 for i in $enable_apis; do
200 (compat) AC_DEFINE(VC_ENABLE_API_COMPAT, 1, [Enable support for compatibility syscall API])
204 (legacy) AC_DEFINE(VC_ENABLE_API_LEGACY, 1, [Enable support for old, /proc parsing API])
205 enable_api_old_proc=1
208 (v11) AC_DEFINE(VC_ENABLE_API_V11, 1, [Enable support for API of vserver 1.1.x])
212 (v13) AC_DEFINE(VC_ENABLE_API_V13, 1, [Enable support for API of vserver 1.3.x]);;
213 (net) AC_DEFINE(VC_ENABLE_API_NET, 1, [Enable support for network context API]);;
214 (fscompat) AC_DEFINE(VC_ENABLE_API_FSCOMPAT, 1, [Enable support for filesystem compatibility API]);;
215 (*) AC_MSG_ERROR(['$i' is not a supported API]);;
219 if test x"$enable_api_oldproc" != x; then
220 AC_DEFINE(VC_ENABLE_API_OLDPROC, 1, [Enable API for a backward compatible /proc parsing])
221 enable_apis="$enable_apis,oldproc"
223 if test x"$enable_api_olduts" != x; then
224 AC_DEFINE(VC_ENABLE_API_OLDUTS, 1, [Enable API for a backward compatible uts handling])
225 enable_apis="$enable_apis,olduts"
227 AC_MSG_RESULT([$enable_apis])
229 dnl the check for used APIs ends here}
231 dnl ##########################
234 ENSC_SYSCALLNR(vserver,273)
236 ENSC_CHECK_EXT2FS_HEADER
237 AC_CHECK_FUNCS([vserver])
238 AC_CHECK_DECLS(MS_MOVE,,,[#include <linux/fs.h>])
239 AC_CHECK_TYPES(xid_t,,,[#include <sys/types.h>])
240 AC_CHECK_TYPES(nid_t,,,[#include <sys/types.h>])
242 AC_CHECK_HEADERS([sys/capability.h])
245 dnl ########################
247 dnl {check for beecrypt
249 if test x"$ensc_cv_c99_c99compiler" = xyes; then
250 ensc_have_beecrypt=yes
252 if test x"$ensc_have_beecrypt" = xyes; then
253 AC_CHECK_HEADER([beecrypt/beecrypt.h], [ : ],
254 [ ensc_have_beecrypt=no ])
257 if test x"$ensc_have_beecrypt" = xyes; then
258 AC_CHECK_LIB(beecrypt, hashFunctionContextInit, [ : ],
259 [ ensc_have_beecrypt=no ])
262 if test x"$ensc_have_beecrypt" != xyes; then
265 **** 'beecrypt' could not be found;
266 **** this will disable the build of 'vhashify'
270 ensc_have_beecrypt=no
273 AM_CONDITIONAL(ENSC_HAVE_BEECRYPT, test x"$ensc_have_beecrypt" = xyes)
274 AM_CONDITIONAL(ENSC_CAN_BEECRYPT_WITH_DIETLIBC, false)
276 dnl beecrypt stuff ends here}
278 dnl ########################
281 dnl BIG HACK! Do some autodetection here!
282 AC_DEFINE(UTMP_GID, [22], [The utmp gid-number])
285 AC_DEFINE(HAVE_GROWING_STACK, [1], [Define to 1 if the stack is on growing addresses])
288 AC_DEFINE(_FILE_OFFSET_BITS, [64], [Use 64bit interface for filesystem operations])
290 dnl ########################
292 dnl {The final info-page
294 ensc_cxx_affected=" (affected: vbuild, vcheck)"
295 ensc_c99_affected=" (affected: vunify, vcopy, vhashify, vdlimit)"
296 ensc_diet_msg=" (you have been warned)"
297 ensc_diet_version_msg=" ($ensc_version_dietlibc)"
298 ensc_diet_compat_msg=" (using -lcompat)"
299 test x"$ensc_cv_cxx_cxxcompiler" = xno || ensc_cxx_affected=
300 test x"$ensc_cv_c99_c99compiler" = xno || ensc_c99_affected=
301 test x"$ensc_have_dietlibc" = xno || ensc_diet_msg=
302 test x"$ensc_version_dietlibc" != x || ensc_diet_version_msg=
303 test x"$ensc_have_dietlibc$ensc_cv_c_dietlibc_compat" = xyesyes || ensc_diet_compat_msg=
305 AH_BOTTOM([#include "compat.h"
307 AC_CONFIG_COMMANDS_PRE([
310 CC: $CC, $($CC --version | sed -e '1p;d')
311 CXX: $CXX, $($CXX --version | sed -e '1p;d')
312 CPPFLAGS: '$CPPFLAGS'
314 CXXFLAGS: '$CXXFLAGS'
315 build/host: $build/$host
316 Use dietlibc: $ensc_have_dietlibc$ensc_diet_version_msg$ensc_diet_msg$ensc_diet_compat_msg
317 Build C++ programs: $ensc_cv_cxx_cxxcompiler$ensc_cxx_affected
318 Build C99 programs: $ensc_cv_c99_c99compiler$ensc_c99_affected
319 Available APIs: $enable_apis
320 ext2fs Source: $ensc_cv_test_ext2fs_header
321 syscall(2) invocation: $with_syscall
322 vserver(2) syscall#: $ensc_cv_value_syscall_vserver
326 sysconf-Directory: $sysconfdir
327 cfg-Directory: $sysconfdir/vservers
328 initrd-Directory: $initrddir
329 pkgstate-Directory: $localstatedir/run/vservers
330 Kernelheaders: $kernelincludedir
331 vserver-Rootdir: $vserverdir
333 echo "$FEATURES_TXT" >FEATURES.txt
336 dnl final info-page ends here}
338 dnl ########################
340 AC_CONFIG_FILES([util-vserver.spec Makefile distrib/Makefile lib/apidoc/Doxyfile])