dnl $Id: configure.ac,v 1.97 2005/07/15 20:25:06 ensc Exp $ dnl Copyright (C) 2003,2004 Enrico Scholz dnl dnl This program is free software; you can redistribute it and/or modify dnl it under the terms of the GNU General Public License as published by dnl the Free Software Foundation; either version 2, or (at your option) dnl any later version. dnl dnl This program is distributed in the hope that it will be useful, dnl but WITHOUT ANY WARRANTY; without even the implied warranty of dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the dnl GNU General Public License for more details. dnl dnl You should have received a copy of the GNU General Public License dnl along with this program; if not, write to the Free Software dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. dnl dnl dnl As a special exception to the GNU General Public License, if you dnl distribute this file as part of a program that contains a configuration dnl script generated by Autoconf, you may include it under the same dnl distribution terms that you use for the rest of that program. dnl AC_PREREQ(2.57) AC_INIT(util-vserver, 0.30.208, enrico.scholz@informatik.tu-chemnitz.de) AC_CONFIG_SRCDIR([src/capchroot.c]) AC_CONFIG_HEADER([config.h]) AM_INIT_AUTOMAKE([1.9 gnits dist-bzip2 subdir-objects]) AM_MAINTAINER_MODE AC_CANONICAL_BUILD AC_CANONICAL_HOST AC_SUBST(GPG_KEY, "0xFFD316AC53ACA43A!") # Checks for programs. AC_PROG_CXX AC_PROG_CC AC_PROG_INSTALL AC_PROG_LN_S AM_PROG_CC_C_O ENSC_CXXCOMPILER ENSC_C99COMPILER ENSC_SET_SEARCHPATH([$PATH:/sbin:/usr/sbin:/usr/local/sbin]) ENSC_PATHPROG_STANDARD_TOOLS ENSC_PATHPROG(IP, ip,, [Usually, this tool is shipped in the 'iproute' or 'iproute2' package of your distribution]) ENSC_PATHPROG(IPTABLES, iptables) ENSC_PATHPROG(MODPROBE, modprobe) ENSC_PATHPROG(NAMEIF, nameif) ENSC_PATHPROG(NOHUP, nohup) ENSC_PATHPROG(RMMOD, rmmod) ENSC_PATHPROG(VCONFIG, vconfig,, [See http://www.candelatech.com/~greear/vlan.html; usually this tool is shipped in the 'vconfig' or 'vlan' package of your distribution]) ENSC_PATHPROG(WGET, wget) ENSC_PATHPROG(DOXYGEN, doxygen, [:]) ENSC_PATHPROG(XSLTP, xsltp, [:]) ENSC_PATHPROG(XSLTPROC, xsltproc, [:]) AM_CONDITIONAL(HAVE_XSLTP, test "$XSLTP" != ':') AM_CONDITIONAL(HAVE_XSLTPROC, test "$XSLTPROC" != ':') ENSC_CHECK_CC_FLAG([-std=c99 -Wall -pedantic -W]) ENSC_CHECK_CXX_FLAG([-ansi -Wall -pedantic -W -fmessage-length=0]) AC_MSG_CHECKING([whether to enable extra optimizations]) AC_ARG_ENABLE([extra-optimizations], [AC_HELP_STRING([--disable-extra-optimizations], [disable certain extra optimizations (default: no)])], [case "$enableval" in (yes) use_extra_optimizations=1;; (no) use_extra_optimizations=;; (*) AC_MSG_ERROR(['$enableval' is not a valid value for '--disable-extra-optimizations']);; esac], [use_extra_optimizations=1]) if test x"$use_extra_optimizations" = x; then AC_MSG_RESULT(no) else AC_MSG_RESULT(yes) ENSC_CHECK_CC_FLAG([-funit-at-a-time]) ENSC_CHECK_CXX_FLAG([-funit-at-a-time]) fi AC_MSG_CHECKING([whether to enable debug-code in library]) AC_ARG_ENABLE([lib-debug], [AC_HELP_STRING([--enable-lib-debug], [enable additional debug code in library (default: no)])], [case "$enableval" in (yes) use_lib_debug=1;; (no) use_lib_debug=;; (*) AC_MSG_ERROR(['$enableval' is not a valid value for '--enable-lib-debug']);; esac], [ use_lib_debug= ]) if test x"$use_lib_debug" = x; then AC_SUBST(LIB_DEBUG_CPPFLAGS, [-DNDEBUG]) AC_MSG_RESULT(no) else AC_SUBST(LIB_DEBUG_CPPFLAGS, []) AC_MSG_RESULT(yes) fi AC_MSG_CHECKING([whether to enable expensive tests]) AC_ARG_ENABLE([expensive-tests], [AC_HELP_STRING([--disable-expensive-tests], [disable tests which might be expensive on some systems (default: no)])], [case "$enableval" in (yes|no) use_expensive_tests=$enableval;; (*) AC_MSG_ERROR(['$enableval' is not a valid value for '--disable-expensive-tests']);; esac], [ use_expensive_tests=yes ]) AC_MSG_RESULT($use_expensive_tests) AC_SUBST(ENSC_USE_EXPENSIVE_TESTS, "$use_expensive_tests") ENSC_CHECK_PERSONALITY_FLAGS AC_ARG_VAR(CC, [The C compiler]) ENSC_INITRDDIR(initrddir) ENSC_RELEASE(RELEASE_CPPFLAGS) dnl ########################### dnl dnl {some dietlibc related tests dnl case $host_cpu in (i*86|athlon) min_diet_ver=0.25;; (ia64|hppa*) min_diet_ver=0.29;; (*) min_diet_ver=0.28;; esac ENSC_ENABLE_DIETLIBC(USE_DIETLIBC, [$min_diet_ver]) if test x"$ensc_have_dietlibc" = xno; then AC_MSG_WARN([*** ***]) AC_MSG_WARN([*** it is strongly recommended to link util-vserver against ***]) AC_MSG_WARN([*** dietlibc; glibc's NSS functions are very unreliable in ***]) AC_MSG_WARN([*** chroot() environments, so you have to expect problems ***]) AC_MSG_WARN([*** there. ***]) AC_MSG_WARN([*** ***]) AM_CONDITIONAL(USE_DIETLIBC_COMPAT, false) else # HACK: libtool does not have cmdline options to build only # dynamic libraries; this can be done with the # '--disable-static' ./configure option only. As our static # libraries will be build with dietlibc, we have to do set # this option which is evaluated by 'AC_PROG_LIBTOOL' # below. Therefore, this macro must not be called earlier. enable_static=no ENSC_DIETLIBC_SANITYCHECK ENSC_DIETLIBC_NEED_COMPAT(USE_DIETLIBC_COMPAT) fi AM_CONDITIONAL(ENSC_USE_DIETLIBC, test x"$ensc_have_dietlibc" = xyes) AM_CONDITIONAL(ENSC_USE_GLIBC, true) # HACK: see comments at 'enable_static' above AC_PROG_LIBTOOL dnl dnl dietlibc stuff ends here} dnl dnl ########################## ENSC_KERNEL_HEADERS(kernelincludedir) ENSC_UV_VROOTDIR(vserverdir) ENSC_CHANGELOG([trunk]) dnl ########################## dnl dnl {Check whether to use external kernel headers dnl AC_MSG_CHECKING([whether to use internal kernel headers]) AC_ARG_ENABLE([internal-headers], [AC_HELP_STRING([--disable-internal-headers], [use vserver specific headers from the kernel instead of the shipped versions (default: no)])], [case "$enableval" in (yes|no) ;; (*) AC_MSG_ERROR(['$i' is not a supported value for '--disable-internal-headers']);; esac], [enable_internal_headers=yes]) AM_CONDITIONAL(ENSC_ENABLE_INTERNAL_HEADERS, [test x"$enable_internal_headers" = xyes]) AC_MSG_RESULT([$enable_internal_headers]) dnl dnl the check regarding external kernel headers ends here} dnl dnl ########################## dnl ########################## dnl dnl {Check for the APIs to be used dnl AC_MSG_CHECKING([for supported APIs]) AC_ARG_ENABLE([apis], [AC_HELP_STRING([--enable-apis=APIS], [enable support for the given apis; possible values are: legacy,compat,v11,v13,fscompat,net,ALL (default: all except 'legacy')])], [], [enable_apis=compat,v11,v13,fscompat,net]) test x"$enable_apis" != xALL || enable_apis='legacy,compat,v11,v13,fscompat,net' enable_api_oldproc= enable_api_olduts= old_IFS=$IFS IFS=,; for i in $enable_apis; do case "$i" in (compat) AC_DEFINE(VC_ENABLE_API_COMPAT, 1, [Enable support for compatibility syscall API]) enable_api_oldproc=1 enable_api_olduts=1 ;; (legacy) AC_DEFINE(VC_ENABLE_API_LEGACY, 1, [Enable support for old, /proc parsing API]) enable_api_old_proc=1 enable_api_olduts=1 ;; (v11) AC_DEFINE(VC_ENABLE_API_V11, 1, [Enable support for API of vserver 1.1.x]) enable_api_oldproc=1 enable_api_olduts=1 ;; (v13) AC_DEFINE(VC_ENABLE_API_V13, 1, [Enable support for API of vserver 1.3.x]);; (net) AC_DEFINE(VC_ENABLE_API_NET, 1, [Enable support for network context API]);; (fscompat) AC_DEFINE(VC_ENABLE_API_FSCOMPAT, 1, [Enable support for filesystem compatibility API]);; (*) AC_MSG_ERROR(['$i' is not a supported API]);; esac done IFS=$old_IFS if test x"$enable_api_oldproc" != x; then AC_DEFINE(VC_ENABLE_API_OLDPROC, 1, [Enable API for a backward compatible /proc parsing]) enable_apis="$enable_apis,oldproc" fi if test x"$enable_api_olduts" != x; then AC_DEFINE(VC_ENABLE_API_OLDUTS, 1, [Enable API for a backward compatible uts handling]) enable_apis="$enable_apis,olduts" fi AC_MSG_RESULT([$enable_apis]) dnl dnl the check for used APIs ends here} dnl dnl ########################## ENSC_SYSCALLNR(vserver,273) ENSC_SYSCALL ENSC_CHECK_EXT2FS_HEADER AC_CHECK_FUNCS([vserver]) AC_CHECK_DECLS(MS_MOVE,,,[#include ]) AC_CHECK_TYPES(xid_t,,,[#include ]) AC_CHECK_TYPES(nid_t,,,[#include ]) AC_CHECK_HEADERS([sys/capability.h]) dnl ######################## dnl dnl {check for beecrypt dnl if test x"$ensc_cv_c99_c99compiler" = xyes; then ensc_have_beecrypt=yes if test x"$ensc_have_beecrypt" = xyes; then AC_CHECK_HEADER([beecrypt/beecrypt.h], [ : ], [ ensc_have_beecrypt=no ]) fi if test x"$ensc_have_beecrypt" = xyes; then AC_CHECK_LIB(beecrypt, hashFunctionContextInit, [ : ], [ ensc_have_beecrypt=no ]) fi if test x"$ensc_have_beecrypt" != xyes; then AC_MSG_WARN([ **** **** 'beecrypt' could not be found; **** this will disable the build of 'vhashify' ****]) fi else ensc_have_beecrypt=no fi AM_CONDITIONAL(ENSC_HAVE_BEECRYPT, test x"$ensc_have_beecrypt" = xyes) AM_CONDITIONAL(ENSC_CAN_BEECRYPT_WITH_DIETLIBC, false) dnl dnl beecrypt stuff ends here} dnl dnl ######################## dnl BIG HACK! Do some autodetection here! AC_DEFINE(UTMP_GID, [22], [The utmp gid-number]) if false; then AC_DEFINE(HAVE_GROWING_STACK, [1], [Define to 1 if the stack is on growing addresses]) fi AC_DEFINE(_FILE_OFFSET_BITS, [64], [Use 64bit interface for filesystem operations]) dnl ######################## dnl dnl {The final info-page dnl ensc_cxx_affected=" (affected: vbuild, vcheck)" ensc_c99_affected=" (affected: vunify, vcopy, vhashify, vdlimit)" ensc_diet_msg=" (you have been warned)" ensc_diet_version_msg=" ($ensc_version_dietlibc)" ensc_diet_compat_msg=" (using -lcompat)" test x"$ensc_cv_cxx_cxxcompiler" = xno || ensc_cxx_affected= test x"$ensc_cv_c99_c99compiler" = xno || ensc_c99_affected= test x"$ensc_have_dietlibc" = xno || ensc_diet_msg= test x"$ensc_version_dietlibc" != x || ensc_diet_version_msg= test x"$ensc_have_dietlibc$ensc_cv_c_dietlibc_compat" = xyesyes || ensc_diet_compat_msg= AH_BOTTOM([#include "compat.h" ]) AC_CONFIG_COMMANDS_PRE([ FEATURES_TXT="\ Features: CC: $CC, $($CC --version | sed -e '1p;d') CXX: $CXX, $($CXX --version | sed -e '1p;d') CPPFLAGS: '$CPPFLAGS' CFLAGS: '$CFLAGS' CXXFLAGS: '$CXXFLAGS' build/host: $build/$host Use dietlibc: $ensc_have_dietlibc$ensc_diet_version_msg$ensc_diet_msg$ensc_diet_compat_msg Build C++ programs: $ensc_cv_cxx_cxxcompiler$ensc_cxx_affected Build C99 programs: $ensc_cv_c99_c99compiler$ensc_c99_affected Available APIs: $enable_apis ext2fs Source: $ensc_cv_test_ext2fs_header syscall(2) invocation: $with_syscall vserver(2) syscall#: $ensc_cv_value_syscall_vserver Paths: prefix: $prefix sysconf-Directory: $sysconfdir cfg-Directory: $sysconfdir/vservers initrd-Directory: $initrddir pkgstate-Directory: $localstatedir/run/vservers Kernelheaders: $kernelincludedir vserver-Rootdir: $vserverdir " echo "$FEATURES_TXT" >FEATURES.txt ]) dnl dnl final info-page ends here} dnl dnl ######################## AC_CONFIG_FILES([util-vserver.spec Makefile distrib/Makefile lib/apidoc/Doxyfile]) AC_OUTPUT AC_MSG_NOTICE([ $PACKAGE_STRING $FEATURES_TXT])