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, 0.29.213, enrico.scholz@informatik.tu-chemnitz.de)
28 AC_CONFIG_SRCDIR([src/capchroot.c])
29 AC_CONFIG_HEADER([config.h])
31 AM_INIT_AUTOMAKE([gnits dist-bzip2 subdir-objects])
34 # Checks for programs.
45 check_paths=$PATH:/sbin:/usr/sbin:/usr/local/sbin
46 AC_PATH_PROGS(AWK, [awk], [awk], [ $check_paths ])
47 AC_PATH_PROGS(GREP, [grep], [grep], [ $check_paths ])
48 AC_PATH_PROGS(IP, [ip], [ip], [ $check_paths ])
49 AC_PATH_PROGS(MOUNT, [mount], [/bin/mount], [ $check_paths ])
50 AC_PATH_PROGS(UMOUNT, [umount], [/bin/umount], [ $check_paths ])
51 AC_PATH_PROGS(NICE, [nice], [nice], [ $check_paths ])
52 AC_PATH_PROGS(VCONFIG, [vconfig], [vconfig], [ $check_paths ])
53 AC_PATH_PROGS(WC, [wc], [wc], [ $check_paths ])
54 AC_PATH_PROGS(PS, [ps], [/bin/ps], [ $check_paths ])
55 AC_PATH_PROGS(MODPROBE, [modprobe], [/sbin/modprobe], [ $check_paths ])
56 AC_PATH_PROGS(RMMOD, [rmmod], [/sbin/rmmod], [ $check_paths ])
57 AC_PATH_PROGS(NAMEIF, [nameif], [/sbin/nameif], [ $check_paths ])
58 AC_PATH_PROGS(IPTABLES, [iptables], [/sbin/iptables], [ $check_paths ])
59 AC_PATH_PROGS(SED, [sed], [sed])
60 AC_PATH_PROGS(CMP, [cmp], [cmp])
61 AC_PATH_PROGS(WGET, [wget], [wget])
62 AC_PATH_PROGS(DOXYGEN, [doxygen], [:])
63 AC_PATH_PROGS(TAR, [tar])
64 AC_PATH_PROGS(XSLTP, [xsltp])
66 AM_CONDITIONAL(HAVE_XSLTP, test "$XSLTP")
69 ENSC_CHECK_CC_FLAG([-std=c99 -Wall -pedantic -W])
70 ENSC_CHECK_CXX_FLAG([-ansi -Wall -pedantic -W -fmessage-length=0])
75 AC_MSG_CHECKING([whether to enable debug-code in library])
76 AC_ARG_ENABLE([lib-debug],
77 [AC_HELP_STRING([--enable-lib-debug],
78 [enable additional debug code in library (default: no)])],
80 yes) use_lib_debug=1;;
82 *) AC_MSG_ERROR(['$enableval' is not a valid value for '--enable-lib-debug']);;
86 if test x"$use_lib_debug" = x; then
87 AC_SUBST(LIB_DEBUG_CPPFLAGS, [-DNDEBUG])
90 AC_SUBST(LIB_DEBUG_CPPFLAGS, [])
94 AC_ARG_VAR(CC, [The C compiler])
96 ENSC_INITRDDIR(initrddir)
97 ENSC_RELEASE(RELEASE_CPPFLAGS)
98 ENSC_ENABLE_DIETLIBC(USE_DIETLIBC, [0.24])
100 if test x"$ensc_have_dietlibc" = xno; then
101 AC_MSG_WARN([*** ***])
102 AC_MSG_WARN([*** it is strongly recommended to link util-vserver against ***])
103 AC_MSG_WARN([*** dietlibc; glibc's NSS functions are very unreliable in ***])
104 AC_MSG_WARN([*** chroot() environments, so you have to expect problems ***])
105 AC_MSG_WARN([*** there. ***])
106 AC_MSG_WARN([*** ***])
107 AM_CONDITIONAL(USE_DIETLIBC_COMPAT, false)
109 ENSC_DIETLIBC_NEED_COMPAT(USE_DIETLIBC_COMPAT)
113 ENSC_KERNEL_HEADERS(kernelincludedir)
114 ENSC_UV_VROOTDIR(vserverdir)
115 ENSC_CHANGELOG([trunk])
117 dnl Check whether to use external kernel headers
118 AC_MSG_CHECKING([whether to use internal kernel headers])
119 AC_ARG_ENABLE([internal-headers],
120 [AC_HELP_STRING([--disable-internal-headers],
121 [use vserver specific headers from the kernel instead of the shipped versions (default: no)])],
122 [case "$enableval" in
124 *) AC_MSG_ERROR(['$i' is not a supported value for '--disable-internal-headers']);;
126 [enable_internal_headers=yes])
128 AM_CONDITIONAL(ENSC_ENABLE_INTERNAL_HEADERS, [test x"$enable_internal_headers" = xyes])
129 AC_MSG_RESULT([$enable_internal_headers])
132 dnl Check for the APIs to be used
133 AC_MSG_CHECKING([for supported APIs])
134 AC_ARG_ENABLE([apis],
135 [AC_HELP_STRING([--enable-apis=APIS],
136 [enable support for the given apis; possible values are: legacy,compat,v11,v13,fscompat,net,ALL (default: all except 'legacy')])],
138 [enable_apis=compat,v11,v13,fscompat,net])
140 test x"$enable_apis" != xALL || enable_apis='legacy,compat,v11,v13,fscompat,net'
145 for i in $enable_apis; do
147 compat) AC_DEFINE(VC_ENABLE_API_COMPAT, 1, [Enable support for compatibility syscall API])
151 legacy) AC_DEFINE(VC_ENABLE_API_LEGACY, 1, [Enable support for old, /proc parsing API])
152 enable_api_old_proc=1
155 v11) AC_DEFINE(VC_ENABLE_API_V11, 1, [Enable support for API of vserver 1.1.x])
159 v13) AC_DEFINE(VC_ENABLE_API_V13, 1, [Enable support for API of vserver 1.3.x]);;
160 net) AC_DEFINE(VC_ENABLE_API_NET, 1, [Enable support for network context API]);;
161 fscompat) AC_DEFINE(VC_ENABLE_API_FSCOMPAT, 1, [Enable support for filesystem compatibility API]);;
162 *) AC_MSG_ERROR(['$i' is not a supported API]);;
166 if test x"$enable_api_oldproc" != x; then
167 AC_DEFINE(VC_ENABLE_API_OLDPROC, 1, [Enable API for a backward compatible /proc parsing])
168 enable_apis="$enable_apis,oldproc"
170 if test x"$enable_api_olduts" != x; then
171 AC_DEFINE(VC_ENABLE_API_OLDUTS, 1, [Enable API for a backward compatible uts handling])
172 enable_apis="$enable_apis,olduts"
174 AC_MSG_RESULT([$enable_apis])
176 ENSC_SYSCALLNR(vserver,273)
178 ENSC_CHECK_EXT2FS_HEADER
179 AC_CHECK_FUNCS([vserver])
180 AC_CHECK_DECLS(MS_MOVE,,,[#include <linux/fs.h>])
181 AC_CHECK_TYPES(xid_t,,,[#include <sys/types.h>])
182 AC_CHECK_TYPES(nid_t,,,[#include <sys/types.h>])
184 dnl BIG HACK! Do some autodetection here!
185 AC_DEFINE(UTMP_GID, [22], [The utmp gid-number])
188 AC_DEFINE(HAVE_GROWING_STACK, [1], [Define to 1 if the stack is on growing addresses])
192 ensc_cxx_affected=" (affected: vbuild, vcheck)"
193 ensc_c99_affected=" (affected: vunify, vcopy)"
194 ensc_diet_msg=" (you have been warned)"
195 ensc_diet_compat_msg=" (using -lcompat)"
196 test x"$ensc_cv_cxx_cxxcompiler" = xno || ensc_cxx_affected=
197 test x"$ensc_cv_c99_c99compiler" = xno || ensc_c99_affected=
198 test x"$ensc_have_dietlibc" = xno || ensc_diet_msg=
199 test x"$ensc_have_dietlibc$ensc_cv_c_dietlibc_compat" = xyesyes || ensc_diet_compat_msg=
201 AH_BOTTOM([#include "compat.h"])
202 AC_CONFIG_COMMANDS_PRE([
205 CC: $CC, $($CC --version | sed -e '1p;d')
206 CXX: $CXX, $($CXX --version | sed -e '1p;d')
207 CPPFLAGS: '$CPPFLAGS'
209 CXXFLAGS: '$CXXFLAGS'
210 build/host: $build/$host
211 Use dietlibc: $ensc_have_dietlibc$ensc_diet_msg$ensc_diet_compat_msg
212 Build C++ programs: $ensc_cv_cxx_cxxcompiler$ensc_cxx_affected
213 Build C99 programs: $ensc_cv_c99_c99compiler$ensc_c99_affected
214 Available APIs: $enable_apis
215 ext2fs Source: $ensc_cv_test_ext2fs_header
216 syscall(2) invocation: $with_syscall
217 vserver(2) syscall#: $ensc_cv_value_syscall_vserver
221 sysconf-Directory: $sysconfdir
222 cfg-Directory: $sysconfdir/vservers
223 initrd-Directory: $initrddir
224 pkgstate-Directory: $localstatedir/run/vservers
225 Kernelheaders: $kernelincludedir
226 vserver-Rootdir: $vserverdir
228 echo "$FEATURES_TXT" >FEATURES.txt
230 AC_CONFIG_FILES([util-vserver.spec Makefile distrib/Makefile lib/apidoc/Doxyfile])