use $(LIBENSCVECTOR) instead of libensc_vector.a
[util-vserver.git] / util-vserver / configure.ac
index 3cafbb8..142bfaf 100644 (file)
@@ -24,38 +24,46 @@ dnl distribution terms that you use for the rest of that program.
 dnl  
 
 AC_PREREQ(2.57)
-AC_INIT(util-vserver, 0.28.193, enrico.scholz@informatik.tu-chemnitz.de)
+AC_INIT(util-vserver, 0.30.205, 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_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
-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(GREP,    [grep],    [grep],        [ $check_paths ])
-AC_PATH_PROGS(IP,      [ip],      [ip],          [ $check_paths ])
-AC_PATH_PROGS(MOUNT,   [mount],   [/bin/mount],  [ $check_paths ])
-AC_PATH_PROGS(UMOUNT,  [umount],  [/bin/umount], [ $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],     [ $check_paths ])
-AC_PATH_PROGS(XSLTPROC, [xsltproc], [xsltproc])
-AC_PATH_PROGS(SED,      [sed],      [sed])
-AC_PATH_PROGS(CMP,      [cmp],      [cmp])
-AC_PATH_PROGS(WGET,     [wget],     [wget])
+ENSC_SET_SEARCHPATH([$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(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])
@@ -82,60 +90,120 @@ else
        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")
+
+
 AC_ARG_VAR(CC, [The C compiler])
 
 ENSC_INITRDDIR(initrddir)
 ENSC_RELEASE(RELEASE_CPPFLAGS)
-ENSC_ENABLE_DIETLIBC(USE_DIETLIBC)
+
+dnl ###########################
+dnl
+dnl {some dietlibc related tests
+dnl
+ENSC_ENABLE_DIETLIBC(USE_DIETLIBC, [0.25])
+
+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
+
+# 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 Check whether to use external kernel headers
+
+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']);;
+                 (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 Check for the APIs to be used
+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,ALL (default: ALL)])],
+                             [enable support for the given apis; possible values are: legacy,compat,v11,v13,fscompat,net,ALL (default: all except 'legacy')])],
               [],
-             [enable_apis=ALL])
+             [enable_apis=compat,v11,v13,fscompat,net])
 
-test x"$enable_apis" != xALL || enable_apis='legacy,compat,v11,v13,fscompat'
+test x"$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])
+               (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])
+               (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])
+               (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(['$i' is not a supported API]);;
+               (v13)           AC_DEFINE(VC_ENABLE_API_V13,      1, [Enable support for API of vserver 1.3.x]);;
+               (net)           AC_DEFINE(VC_ENABLE_API_NET,      1, [Enable support for network context API]);;
+               (fscompat)      AC_DEFINE(VC_ENABLE_API_FSCOMPAT, 1, [Enable support for filesystem compatibility API]);;
+               (*)             AC_MSG_ERROR(['$i' is not a supported API]);;
        esac
 done
 IFS=$old_IFS
@@ -148,12 +216,58 @@ if test x"$enable_api_olduts" != x; then
        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 <linux/fs.h>])
 AC_CHECK_TYPES(xid_t,,,[#include <sys/types.h>])
+AC_CHECK_TYPES(nid_t,,,[#include <sys/types.h>])
+
+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])
@@ -162,19 +276,27 @@ if false; then
        AC_DEFINE(HAVE_GROWING_STACK, [1], [Define to 1 if the stack is on growing addresses])
 fi
 
-AH_BOTTOM([#include "compat.h"])
-AC_CONFIG_FILES([util-vserver.spec Makefile distrib/Makefile])
-AC_OUTPUT
-
-ensc_cxx_affected=
-ensc_c99_affected=
-test x"$ensc_cv_cxx_cxxcompiler" = xyes || ensc_cxx_affected=" (affected: vbuild, vcheck)"
-test x"$ensc_cv_c99_c99compiler" = xyes || ensc_c99_affected=" (affected: vunify)"
+AC_DEFINE(_FILE_OFFSET_BITS, [64], [Use 64bit interface for filesystem operations])
 
-AC_MSG_NOTICE([
-
-$PACKAGE_STRING
+dnl ########################
+dnl
+dnl {The final info-page
+dnl
+ensc_cxx_affected=" (affected: vbuild, vcheck)"
+ensc_c99_affected=" (affected: vunify, vcopy, vhashify, vdlimit)"
+ensc_diet_msg=" (you have been warned)"
+ensc_diet_version_msg=" ($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')
@@ -182,18 +304,35 @@ Features:
                    CFLAGS: '$CFLAGS'
                  CXXFLAGS: '$CXXFLAGS'
                build/host: $build/$host
-             Use dietlibc: $ensc_have_dietlibc
+             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])