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, 0.30.207, 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 "$XSLTPROC" != ':')
68 ENSC_CHECK_CC_FLAG([-std=c99 -Wall -pedantic -W])
69 ENSC_CHECK_CXX_FLAG([-ansi -Wall -pedantic -W -fmessage-length=0])
71 AC_MSG_CHECKING([whether to enable extra optimizations])
72 AC_ARG_ENABLE([extra-optimizations],
73 [AC_HELP_STRING([--disable-extra-optimizations],
74 [disable certain extra optimizations (default: no)])],
76 (yes) use_extra_optimizations=1;;
77 (no) use_extra_optimizations=;;
78 (*) AC_MSG_ERROR(['$enableval' is not a valid value for '--disable-extra-optimizations']);;
80 [use_extra_optimizations=1])
82 if test x"$use_extra_optimizations" = x; then
86 ENSC_CHECK_CC_FLAG([-funit-at-a-time])
87 ENSC_CHECK_CXX_FLAG([-funit-at-a-time])
90 AC_MSG_CHECKING([whether to enable debug-code in library])
91 AC_ARG_ENABLE([lib-debug],
92 [AC_HELP_STRING([--enable-lib-debug],
93 [enable additional debug code in library (default: no)])],
95 (yes) use_lib_debug=1;;
97 (*) AC_MSG_ERROR(['$enableval' is not a valid value for '--enable-lib-debug']);;
101 if test x"$use_lib_debug" = x; then
102 AC_SUBST(LIB_DEBUG_CPPFLAGS, [-DNDEBUG])
105 AC_SUBST(LIB_DEBUG_CPPFLAGS, [])
109 AC_MSG_CHECKING([whether to enable expensive tests])
110 AC_ARG_ENABLE([expensive-tests],
111 [AC_HELP_STRING([--disable-expensive-tests],
112 [disable tests which might be expensive on some systems (default: no)])],
113 [case "$enableval" in
114 (yes|no) use_expensive_tests=$enableval;;
115 (*) AC_MSG_ERROR(['$enableval' is not a valid value for '--disable-expensive-tests']);;
117 [ use_expensive_tests=yes ])
118 AC_MSG_RESULT($use_expensive_tests)
120 AC_SUBST(ENSC_USE_EXPENSIVE_TESTS, "$use_expensive_tests")
123 AC_ARG_VAR(CC, [The C compiler])
125 ENSC_INITRDDIR(initrddir)
126 ENSC_RELEASE(RELEASE_CPPFLAGS)
128 dnl ###########################
130 dnl {some dietlibc related tests
134 (i*86|athlon) min_diet_ver=0.25;;
135 (ia64|hppa*) min_diet_ver=0.29;;
136 (*) min_diet_ver=0.28;;
139 ENSC_ENABLE_DIETLIBC(USE_DIETLIBC, [$min_diet_ver])
141 if test x"$ensc_have_dietlibc" = xno; then
142 AC_MSG_WARN([*** ***])
143 AC_MSG_WARN([*** it is strongly recommended to link util-vserver against ***])
144 AC_MSG_WARN([*** dietlibc; glibc's NSS functions are very unreliable in ***])
145 AC_MSG_WARN([*** chroot() environments, so you have to expect problems ***])
146 AC_MSG_WARN([*** there. ***])
147 AC_MSG_WARN([*** ***])
148 AM_CONDITIONAL(USE_DIETLIBC_COMPAT, false)
150 # HACK: libtool does not have cmdline options to build only
151 # dynamic libraries; this can be done with the
152 # '--disable-static' ./configure option only. As our static
153 # libraries will be build with dietlibc, we have to do set
154 # this option which is evaluated by 'AC_PROG_LIBTOOL'
155 # below. Therefore, this macro must not be called earlier.
158 ENSC_DIETLIBC_SANITYCHECK
159 ENSC_DIETLIBC_NEED_COMPAT(USE_DIETLIBC_COMPAT)
162 AM_CONDITIONAL(ENSC_USE_DIETLIBC, test x"$ensc_have_dietlibc" = xyes)
163 AM_CONDITIONAL(ENSC_USE_GLIBC, true)
165 # HACK: see comments at 'enable_static' above
168 dnl dietlibc stuff ends here}
170 dnl ##########################
173 ENSC_KERNEL_HEADERS(kernelincludedir)
174 ENSC_UV_VROOTDIR(vserverdir)
175 ENSC_CHANGELOG([trunk])
178 dnl ##########################
180 dnl {Check whether to use external kernel headers
182 AC_MSG_CHECKING([whether to use internal kernel headers])
183 AC_ARG_ENABLE([internal-headers],
184 [AC_HELP_STRING([--disable-internal-headers],
185 [use vserver specific headers from the kernel instead of the shipped versions (default: no)])],
186 [case "$enableval" in
188 (*) AC_MSG_ERROR(['$i' is not a supported value for '--disable-internal-headers']);;
190 [enable_internal_headers=yes])
192 AM_CONDITIONAL(ENSC_ENABLE_INTERNAL_HEADERS, [test x"$enable_internal_headers" = xyes])
193 AC_MSG_RESULT([$enable_internal_headers])
195 dnl the check regarding external kernel headers ends here}
197 dnl ##########################
199 dnl ##########################
201 dnl {Check for the APIs to be used
203 AC_MSG_CHECKING([for supported APIs])
204 AC_ARG_ENABLE([apis],
205 [AC_HELP_STRING([--enable-apis=APIS],
206 [enable support for the given apis; possible values are: legacy,compat,v11,v13,fscompat,net,ALL (default: all except 'legacy')])],
208 [enable_apis=compat,v11,v13,fscompat,net])
210 test x"$enable_apis" != xALL || enable_apis='legacy,compat,v11,v13,fscompat,net'
215 for i in $enable_apis; do
217 (compat) AC_DEFINE(VC_ENABLE_API_COMPAT, 1, [Enable support for compatibility syscall API])
221 (legacy) AC_DEFINE(VC_ENABLE_API_LEGACY, 1, [Enable support for old, /proc parsing API])
222 enable_api_old_proc=1
225 (v11) AC_DEFINE(VC_ENABLE_API_V11, 1, [Enable support for API of vserver 1.1.x])
229 (v13) AC_DEFINE(VC_ENABLE_API_V13, 1, [Enable support for API of vserver 1.3.x]);;
230 (net) AC_DEFINE(VC_ENABLE_API_NET, 1, [Enable support for network context API]);;
231 (fscompat) AC_DEFINE(VC_ENABLE_API_FSCOMPAT, 1, [Enable support for filesystem compatibility API]);;
232 (*) AC_MSG_ERROR(['$i' is not a supported API]);;
236 if test x"$enable_api_oldproc" != x; then
237 AC_DEFINE(VC_ENABLE_API_OLDPROC, 1, [Enable API for a backward compatible /proc parsing])
238 enable_apis="$enable_apis,oldproc"
240 if test x"$enable_api_olduts" != x; then
241 AC_DEFINE(VC_ENABLE_API_OLDUTS, 1, [Enable API for a backward compatible uts handling])
242 enable_apis="$enable_apis,olduts"
244 AC_MSG_RESULT([$enable_apis])
246 dnl the check for used APIs ends here}
248 dnl ##########################
251 ENSC_SYSCALLNR(vserver,273)
253 ENSC_CHECK_EXT2FS_HEADER
254 AC_CHECK_FUNCS([vserver])
255 AC_CHECK_DECLS(MS_MOVE,,,[#include <linux/fs.h>])
256 AC_CHECK_TYPES(xid_t,,,[#include <sys/types.h>])
257 AC_CHECK_TYPES(nid_t,,,[#include <sys/types.h>])
259 AC_CHECK_HEADERS([sys/capability.h])
262 dnl ########################
264 dnl {check for beecrypt
266 if test x"$ensc_cv_c99_c99compiler" = xyes; then
267 ensc_have_beecrypt=yes
269 if test x"$ensc_have_beecrypt" = xyes; then
270 AC_CHECK_HEADER([beecrypt/beecrypt.h], [ : ],
271 [ ensc_have_beecrypt=no ])
274 if test x"$ensc_have_beecrypt" = xyes; then
275 AC_CHECK_LIB(beecrypt, hashFunctionContextInit, [ : ],
276 [ ensc_have_beecrypt=no ])
279 if test x"$ensc_have_beecrypt" != xyes; then
282 **** 'beecrypt' could not be found;
283 **** this will disable the build of 'vhashify'
287 ensc_have_beecrypt=no
290 AM_CONDITIONAL(ENSC_HAVE_BEECRYPT, test x"$ensc_have_beecrypt" = xyes)
291 AM_CONDITIONAL(ENSC_CAN_BEECRYPT_WITH_DIETLIBC, false)
293 dnl beecrypt stuff ends here}
295 dnl ########################
298 dnl BIG HACK! Do some autodetection here!
299 AC_DEFINE(UTMP_GID, [22], [The utmp gid-number])
302 AC_DEFINE(HAVE_GROWING_STACK, [1], [Define to 1 if the stack is on growing addresses])
305 AC_DEFINE(_FILE_OFFSET_BITS, [64], [Use 64bit interface for filesystem operations])
307 dnl ########################
309 dnl {The final info-page
311 ensc_cxx_affected=" (affected: vbuild, vcheck)"
312 ensc_c99_affected=" (affected: vunify, vcopy, vhashify, vdlimit)"
313 ensc_diet_msg=" (you have been warned)"
314 ensc_diet_version_msg=" ($ensc_version_dietlibc)"
315 ensc_diet_compat_msg=" (using -lcompat)"
316 test x"$ensc_cv_cxx_cxxcompiler" = xno || ensc_cxx_affected=
317 test x"$ensc_cv_c99_c99compiler" = xno || ensc_c99_affected=
318 test x"$ensc_have_dietlibc" = xno || ensc_diet_msg=
319 test x"$ensc_version_dietlibc" != x || ensc_diet_version_msg=
320 test x"$ensc_have_dietlibc$ensc_cv_c_dietlibc_compat" = xyesyes || ensc_diet_compat_msg=
322 AH_BOTTOM([#include "compat.h"
324 AC_CONFIG_COMMANDS_PRE([
327 CC: $CC, $($CC --version | sed -e '1p;d')
328 CXX: $CXX, $($CXX --version | sed -e '1p;d')
329 CPPFLAGS: '$CPPFLAGS'
331 CXXFLAGS: '$CXXFLAGS'
332 build/host: $build/$host
333 Use dietlibc: $ensc_have_dietlibc$ensc_diet_version_msg$ensc_diet_msg$ensc_diet_compat_msg
334 Build C++ programs: $ensc_cv_cxx_cxxcompiler$ensc_cxx_affected
335 Build C99 programs: $ensc_cv_c99_c99compiler$ensc_c99_affected
336 Available APIs: $enable_apis
337 ext2fs Source: $ensc_cv_test_ext2fs_header
338 syscall(2) invocation: $with_syscall
339 vserver(2) syscall#: $ensc_cv_value_syscall_vserver
343 sysconf-Directory: $sysconfdir
344 cfg-Directory: $sysconfdir/vservers
345 initrd-Directory: $initrddir
346 pkgstate-Directory: $localstatedir/run/vservers
347 Kernelheaders: $kernelincludedir
348 vserver-Rootdir: $vserverdir
350 echo "$FEATURES_TXT" >FEATURES.txt
353 dnl final info-page ends here}
355 dnl ########################
357 AC_CONFIG_FILES([util-vserver.spec Makefile distrib/Makefile lib/apidoc/Doxyfile])