dnl $Id$
-dnl Copyright (C) 2003 Enrico Scholz <enrico.scholz@informatik.tu-chemnitz.de>
+dnl Copyright (C) 2003,2004 Enrico Scholz <enrico.scholz@informatik.tu-chemnitz.de>
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
AC_PREREQ(2.57)
-AC_INIT(util-vserver, 0.23.191, enrico.scholz@informatik.tu-chemnitz.de)
+AC_INIT(util-vserver, 0.29.205, enrico.scholz@informatik.tu-chemnitz.de)
AC_CONFIG_SRCDIR([src/capchroot.c])
AC_CONFIG_HEADER([config.h])
AM_INIT_AUTOMAKE([gnits dist-bzip2 subdir-objects])
AM_MAINTAINER_MODE
-AC_SUBST(CVS2CL_TAG, [])
-
# Checks for programs.
AC_PROG_CXX
AC_PROG_CC
AC_PROG_INSTALL
AC_PROG_LN_S
-AC_PROG_RANLIB
+dnl AC_PROG_RANLIB
+AC_PROG_LIBTOOL
AM_PROG_CC_C_O
+ENSC_CXXCOMPILER
+ENSC_C99COMPILER
check_paths=$PATH:/sbin:/usr/sbin:/usr/local/sbin
AC_PATH_PROGS(AWK, [awk], [awk], [ $check_paths ])
AC_PATH_PROGS(NICE, [nice], [nice], [ $check_paths ])
AC_PATH_PROGS(VCONFIG, [vconfig], [vconfig], [ $check_paths ])
AC_PATH_PROGS(WC, [wc], [wc], [ $check_paths ])
+AC_PATH_PROGS(PS, [ps], [/bin/ps], [ $check_paths ])
+AC_PATH_PROGS(XSLTPROC, [xsltproc], [xsltproc])
+AC_PATH_PROGS(SED, [sed], [sed])
+AC_PATH_PROGS(CMP, [cmp], [cmp])
+AC_PATH_PROGS(WGET, [wget], [wget])
+AC_PATH_PROGS(DOXYGEN, [doxygen], [:])
+AC_PATH_PROGS(TAR, [tar])
-AC_CHECK_PROGS(CVS2CL, [cvs2cl])
-AM_CONDITIONAL(HAVE_CVS2CL, [test x"$CVS2CL" != x])
+ENSC_CHECK_CC_FLAG([-std=c99 -Wall -pedantic -W])
+ENSC_CHECK_CXX_FLAG([-ansi -Wall -pedantic -W -fmessage-length=0])
+
+ENSC_FPIC_SYSCALL
+
+
+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"$use_lib_debug" = x; then
+ AC_SUBST(LIB_DEBUG_CPPFLAGS, [-DNDEBUG])
+ AC_MSG_RESULT(no)
+else
+ AC_SUBST(LIB_DEBUG_CPPFLAGS, [])
+ AC_MSG_RESULT(yes)
+fi
-AC_CHECK_PROGS(RCS2LOG, [rcs2log])
-AM_CONDITIONAL(HAVE_RCS2LOG, [test x"$RCS2LOG" != x])
+AC_ARG_VAR(CC, [The C compiler])
+
+ENSC_INITRDDIR(initrddir)
+ENSC_RELEASE(RELEASE_CPPFLAGS)
+ENSC_ENABLE_DIETLIBC(USE_DIETLIBC, [0.24])
+
+if test x"$ensc_have_dietlibc" = xno; then
+ AC_MSG_WARN([*** ***])
+ AC_MSG_WARN([*** it is strongly recommended to link util-vserver against ***])
+ AC_MSG_WARN([*** dietlibc; glibc's NSS functions are very unreliable in ***])
+ AC_MSG_WARN([*** chroot() environments, so you have to expect problems ***])
+ AC_MSG_WARN([*** there. ***])
+ AC_MSG_WARN([*** ***])
+ AM_CONDITIONAL(USE_DIETLIBC_COMPAT, false)
+else
+ ENSC_DIETLIBC_NEED_COMPAT(USE_DIETLIBC_COMPAT)
+fi
-ENSC_CHECK_CC_FLAG([-std=c99 -Wall -pedantic -W])
-AC_MSG_CHECKING([whether to enable dietlibc])
-AC_ARG_ENABLE([dietlibc],
- [AC_HELP_STRING([--disable-dietlibc],
- [do not use dietlibc (default: use dietlibc)])],
- [case "$withval" in
- yes) use_dietlibc=forced;;
- no) use_dietlibc=forced_no;;
- *) AC_MSG_ERROR(['$withval' is not a valid value for --enable-dietlibc]);;
+ENSC_KERNEL_HEADERS(kernelincludedir)
+ENSC_UV_VROOTDIR(vserverdir)
+ENSC_CHANGELOG([trunk])
+
+dnl Check whether to use external kernel headers
+AC_MSG_CHECKING([whether to use internal kernel headers])
+AC_ARG_ENABLE([internal-headers],
+ [AC_HELP_STRING([--disable-internal-headers],
+ [use vserver specific headers from the kernel instead of the shipped versions (default: no)])],
+ [case "$enableval" in
+ yes|no) ;;
+ *) AC_MSG_ERROR(['$i' is not a supported value for '--disable-internal-headers']);;
esac],
- [: ${DIET:=diet}
- which "$DIET" >/dev/null 2>/dev/null && use_dietlibc=detected || use_dietlibc=detected_no])
-
-case x"$use_dietlibc" in
- xdetected)
- AM_CONDITIONAL(USE_DIETLIBC, true)
- AC_MSG_RESULT([yes (autodetected)])
- ;;
- xforced)
- AM_CONDITIONAL(USE_DIETLIBC, true)
- AC_MSG_RESULT([yes (forced)])
- ;;
- xdetected_no)
- AM_CONDITIONAL(USE_DIETLIBC, false)
- AC_MSG_RESULT([no (detected)])
- ;;
- xforced_no)
- AM_CONDITIONAL(USE_DIETLIBC, false)
- AC_MSG_RESULT([no (forced)])
- ;;
- *)
- AC_MSG_ERROR([internal error, use_dietlibc was "$use_dietlibc"])
- ;;
-esac
+ [enable_internal_headers=yes])
-AC_ARG_VAR(CC, [The C compiler])
-AC_MSG_CHECKING([for linux kernel headers])
-AC_ARG_WITH([kerneldir],
- [AC_HELP_STRING([--with-kerneldir=DIR],
- [assume top-kernelsources in DIR (default: /lib/modules/<current>/build)])],
- [case "$withval" in
- yes|no) AC_MSG_ERROR(['$withval' is not a valid value for kerneldir]);;
- *) kerneldir=$withval;;
- esac],
- [kerneldir=
- for i in /lib/modules/$(uname -r)/build /usr/src/linux /usr; do
- test -e $i/include/linux/version.h && { kerneldir=$i; break; }
- done])
-
-test "$kerneldir" -a -e $i/include/linux/version.h || {
- AC_MSG_ERROR([Can not find kernelsources])
-}
-
-kernelincludedir=$kerneldir/include
-AC_SUBST(kernelincludedir)
-AC_MSG_RESULT($kernelincludedir/linux)
+AM_CONDITIONAL(ENSC_ENABLE_INTERNAL_HEADERS, [test x"$enable_internal_headers" = xyes])
+AC_MSG_RESULT([$enable_internal_headers])
+
+dnl Check for the APIs to be used
AC_MSG_CHECKING([for supported APIs])
AC_ARG_ENABLE([apis],
[AC_HELP_STRING([--enable-apis=APIS],
- [enable support for the given apis; possible values are: legacy,compat,ALL (default: ALL)])],
+ [enable support for the given apis; possible values are: legacy,compat,v11,v13,fscompat,ALL (default: ALL)])],
[],
- [supported_apis=ALL])
+ [enable_apis=ALL])
-test x"$supported_apis" != xALL || supported_apis='legacy,compat'
+test x"$enable_apis" != xALL || enable_apis='legacy,compat,v11,v13,fscompat'
+enable_api_oldproc=
+enable_api_olduts=
old_IFS=$IFS
IFS=,;
-for i in $supported_apis; do
+for i in $enable_apis; do
case "$i" in
- compat) AC_DEFINE(VC_ENABLE_API_COMPAT, 1, [Enable support for compatibily syscall API]);;
- legacy) AC_DEFINE(VC_ENABLE_API_LEGACY, 1, [Enable support for old, /proc parsing API]);;
- *) AC_MSG_ERROR(['$i' is not a supported API]);;
+ compat) AC_DEFINE(VC_ENABLE_API_COMPAT, 1, [Enable support for compatibility syscall API])
+ enable_api_oldproc=1
+ enable_api_olduts=1
+ ;;
+ legacy) AC_DEFINE(VC_ENABLE_API_LEGACY, 1, [Enable support for old, /proc parsing API])
+ enable_api_old_proc=1
+ enable_api_olduts=1
+ ;;
+ v11) AC_DEFINE(VC_ENABLE_API_V11, 1, [Enable support for API of vserver 1.1.x])
+ enable_api_oldproc=1
+ enable_api_olduts=1
+ ;;
+ v13) AC_DEFINE(VC_ENABLE_API_V13, 1, [Enable support for API of vserver 1.3.x]);;
+ fscompat) AC_DEFINE(VC_ENABLE_API_FSCOMPAT, 1, [Enable support for filesystem compatibility API]);;
+ *) AC_MSG_ERROR(['$i' is not a supported API]);;
esac
done
IFS=$old_IFS
-AC_MSG_RESULT([$supported_apis])
+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([$enable_apis])
-AC_CHECK_FUNCS([sys_virtual_context])
+ENSC_SYSCALLNR(vserver,273)
+ENSC_SYSCALL
+ENSC_CHECK_EXT2FS_HEADER
+AC_CHECK_FUNCS([vserver])
AC_CHECK_DECLS(MS_MOVE,,,[#include <linux/fs.h>])
-AC_CHECK_TYPES(ctx_t,,,[#include <sys/types.h>])
+AC_CHECK_TYPES(xid_t,,,[#include <sys/types.h>])
dnl BIG HACK! Do some autodetection here!
AC_DEFINE(UTMP_GID, [22], [The utmp gid-number])
AC_DEFINE(HAVE_GROWING_STACK, [1], [Define to 1 if the stack is on growing addresses])
fi
+
+ensc_cxx_affected=" (affected: vbuild, vcheck)"
+ensc_c99_affected=" (affected: vunify, vcopy)"
+ensc_diet_msg=" (you have been warned)"
+ensc_diet_compat_msg=" (using -lcompat)"
+test x"$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"$ensc_have_dietlibc$ensc_cv_c_dietlibc_compat" = xyesyes || ensc_diet_compat_msg=
+
AH_BOTTOM([#include "compat.h"])
-AC_CONFIG_FILES([util-vserver.spec Makefile distrib/Makefile])
+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_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
+ ])
+AC_CONFIG_FILES([util-vserver.spec Makefile distrib/Makefile lib/apidoc/Doxyfile])
AC_OUTPUT
+
+AC_MSG_NOTICE([
+
+$PACKAGE_STRING
+
+$FEATURES_TXT])