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, 0.30.204, 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.
50 ENSC_SET_SEARCHPATH([$PATH:/sbin:/usr/sbin:/usr/local/sbin])
51 ENSC_PATHPROG_STANDARD_TOOLS
53 ENSC_PATHPROG(IP, ip,, [Usually, this tool is shipped in the 'iproute' or 'iproute2' package of your distribution])
54 ENSC_PATHPROG(IPTABLES, iptables)
55 ENSC_PATHPROG(MODPROBE, modprobe)
56 ENSC_PATHPROG(NAMEIF, nameif)
57 ENSC_PATHPROG(RMMOD, rmmod)
58 ENSC_PATHPROG(VCONFIG, vconfig,, [See http://www.candelatech.com/~greear/vlan.html; usually this tool is shipped in the 'vconfig' or 'vlan' package of your distribution])
59 ENSC_PATHPROG(WGET, wget)
61 ENSC_PATHPROG(DOXYGEN, doxygen, [:])
62 ENSC_PATHPROG(XSLTP, xsltp, [:])
63 ENSC_PATHPROG(XSLTPROC, xsltproc, [:])
66 AM_CONDITIONAL(HAVE_XSLTP, test "$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"$ensc_have_dietlibc" = xno; then
101 AC_MSG_WARN([*** ***])
102 AC_MSG_WARN([*** it is strongly recommended to link util-vserver against ***])
103 AC_MSG_WARN([*** dietlibc; glibc's NSS functions are very unreliable in ***])
104 AC_MSG_WARN([*** chroot() environments, so you have to expect problems ***])
105 AC_MSG_WARN([*** there. ***])
106 AC_MSG_WARN([*** ***])
107 AM_CONDITIONAL(USE_DIETLIBC_COMPAT, false)
109 ENSC_DIETLIBC_SANITYCHECK
110 ENSC_DIETLIBC_NEED_COMPAT(USE_DIETLIBC_COMPAT)
114 ENSC_KERNEL_HEADERS(kernelincludedir)
115 ENSC_UV_VROOTDIR(vserverdir)
116 ENSC_CHANGELOG([trunk])
118 dnl Check whether to use external kernel headers
119 AC_MSG_CHECKING([whether to use internal kernel headers])
120 AC_ARG_ENABLE([internal-headers],
121 [AC_HELP_STRING([--disable-internal-headers],
122 [use vserver specific headers from the kernel instead of the shipped versions (default: no)])],
123 [case "$enableval" in
125 *) AC_MSG_ERROR(['$i' is not a supported value for '--disable-internal-headers']);;
127 [enable_internal_headers=yes])
129 AM_CONDITIONAL(ENSC_ENABLE_INTERNAL_HEADERS, [test x"$enable_internal_headers" = xyes])
130 AC_MSG_RESULT([$enable_internal_headers])
133 dnl Check for the APIs to be used
134 AC_MSG_CHECKING([for supported APIs])
135 AC_ARG_ENABLE([apis],
136 [AC_HELP_STRING([--enable-apis=APIS],
137 [enable support for the given apis; possible values are: legacy,compat,v11,v13,fscompat,net,ALL (default: all except 'legacy')])],
139 [enable_apis=compat,v11,v13,fscompat,net])
141 test x"$enable_apis" != xALL || enable_apis='legacy,compat,v11,v13,fscompat,net'
146 for i in $enable_apis; do
148 compat) AC_DEFINE(VC_ENABLE_API_COMPAT, 1, [Enable support for compatibility syscall API])
152 legacy) AC_DEFINE(VC_ENABLE_API_LEGACY, 1, [Enable support for old, /proc parsing API])
153 enable_api_old_proc=1
156 v11) AC_DEFINE(VC_ENABLE_API_V11, 1, [Enable support for API of vserver 1.1.x])
160 v13) AC_DEFINE(VC_ENABLE_API_V13, 1, [Enable support for API of vserver 1.3.x]);;
161 net) AC_DEFINE(VC_ENABLE_API_NET, 1, [Enable support for network context API]);;
162 fscompat) AC_DEFINE(VC_ENABLE_API_FSCOMPAT, 1, [Enable support for filesystem compatibility API]);;
163 *) AC_MSG_ERROR(['$i' is not a supported API]);;
167 if test x"$enable_api_oldproc" != x; then
168 AC_DEFINE(VC_ENABLE_API_OLDPROC, 1, [Enable API for a backward compatible /proc parsing])
169 enable_apis="$enable_apis,oldproc"
171 if test x"$enable_api_olduts" != x; then
172 AC_DEFINE(VC_ENABLE_API_OLDUTS, 1, [Enable API for a backward compatible uts handling])
173 enable_apis="$enable_apis,olduts"
175 AC_MSG_RESULT([$enable_apis])
177 ENSC_SYSCALLNR(vserver,273)
179 ENSC_CHECK_EXT2FS_HEADER
180 AC_CHECK_FUNCS([vserver])
181 AC_CHECK_DECLS(MS_MOVE,,,[#include <linux/fs.h>])
182 AC_CHECK_TYPES(xid_t,,,[#include <sys/types.h>])
183 AC_CHECK_TYPES(nid_t,,,[#include <sys/types.h>])
185 AC_CHECK_HEADERS([sys/capability.h])
187 dnl BIG HACK! Do some autodetection here!
188 AC_DEFINE(UTMP_GID, [22], [The utmp gid-number])
191 AC_DEFINE(HAVE_GROWING_STACK, [1], [Define to 1 if the stack is on growing addresses])
195 ensc_cxx_affected=" (affected: vbuild, vcheck)"
196 ensc_c99_affected=" (affected: vunify, vcopy)"
197 ensc_diet_msg=" (you have been warned)"
198 ensc_diet_version_msg=" ($ensc_version_dietlibc)"
199 ensc_diet_compat_msg=" (using -lcompat)"
200 test x"$ensc_cv_cxx_cxxcompiler" = xno || ensc_cxx_affected=
201 test x"$ensc_cv_c99_c99compiler" = xno || ensc_c99_affected=
202 test x"$ensc_have_dietlibc" = xno || ensc_diet_msg=
203 test x"$ensc_version_dietlibc" != x || ensc_diet_version_msg=
204 test x"$ensc_have_dietlibc$ensc_cv_c_dietlibc_compat" = xyesyes || ensc_diet_compat_msg=
206 AH_BOTTOM([#include "compat.h"])
207 AC_CONFIG_COMMANDS_PRE([
210 CC: $CC, $($CC --version | sed -e '1p;d')
211 CXX: $CXX, $($CXX --version | sed -e '1p;d')
212 CPPFLAGS: '$CPPFLAGS'
214 CXXFLAGS: '$CXXFLAGS'
215 build/host: $build/$host
216 Use dietlibc: $ensc_have_dietlibc$ensc_diet_version_msg$ensc_diet_msg$ensc_diet_compat_msg
217 Build C++ programs: $ensc_cv_cxx_cxxcompiler$ensc_cxx_affected
218 Build C99 programs: $ensc_cv_c99_c99compiler$ensc_c99_affected
219 Available APIs: $enable_apis
220 ext2fs Source: $ensc_cv_test_ext2fs_header
221 syscall(2) invocation: $with_syscall
222 vserver(2) syscall#: $ensc_cv_value_syscall_vserver
226 sysconf-Directory: $sysconfdir
227 cfg-Directory: $sysconfdir/vservers
228 initrd-Directory: $initrddir
229 pkgstate-Directory: $localstatedir/run/vservers
230 Kernelheaders: $kernelincludedir
231 vserver-Rootdir: $vserverdir
233 echo "$FEATURES_TXT" >FEATURES.txt
235 AC_CONFIG_FILES([util-vserver.spec Makefile distrib/Makefile lib/apidoc/Doxyfile])