Imported 2.1.2-dfsgupstream/2.1.2-dfsg

1 files changed, 2149 insertions, 0 deletions

diff --git a/configure b/configure
new file mode 100755
index 000000000..f997591e0
--- /dev/null
+++ b/configure
@@ -0,0 +1,2149 @@
+#!/bin/sh
+# The purpose of this script is to check for all external tools, headers, and
+# libraries VBox OSE depends on.
+
+#
+# Copyright (C) 2006-2007 Sun Microsystems, Inc.
+#
+# This file is part of VirtualBox Open Source Edition (OSE), as
+# available from http://www.virtualbox.org. This file is free software;
+# you can redistribute it and/or modify it under the terms of the GNU
+# General Public License as published by the Free Software Foundation,
+# in version 2 as it comes in the "COPYING" file of the VirtualBox OSE
+# distribution. VirtualBox OSE is distributed in the hope that it will
+# be useful, but WITHOUT ANY WARRANTY of any kind.
+#
+
+LC_ALL=C
+export LC_ALL
+
+# append some extra paths
+PATH="$PATH:/opt/gnome/bin"
+# Solaris (order of paths important for tr, echo, grep, sed to work)
+PATH="/usr/xpg4/bin:/usr/ucb:$PATH:/usr/local/bin:/usr/sfw/bin:/usr/ccs/bin"
+ORGPATH=$PATH
+
+# Wrapper for ancient /usr/bin/which on darwin that always returns 0
+which_wrapper()
+{
+  if [ -z "$have_ancient_which" ]; then
+    if which /bin/___cErTaINly_a_nOn_eXisTing_fIle___ 2> /dev/null > /dev/null; then
+      have_ancient_which="yes"
+    else
+      have_ancient_which="no"
+    fi
+  fi
+  if [ "$have_ancient_which" = "yes" ]; then
+    retval=`which $* 2>/dev/null`
+    echo "$retval"
+    test -n "$retval" -a -x "$retval"
+    unset retval
+  else
+    which $* 2> /dev/null
+  fi
+}
+
+
+#
+# Defaults
+#
+OSE=1
+ODIR="`pwd`/"
+SETUP_WINE=
+TARGET_MACHINE=""
+TARGET_CPU=""
+WITH_XPCOM=1
+WITH_PYTHON=1
+WITH_LIBIDL=1
+WITH_GSOAP=0
+WITH_QT3=1
+WITH_QT4=1
+WITH_SDL=1
+WITH_SDL_TTF=1
+WITH_X11=1
+WITH_ALSA=1
+WITH_PULSE=1
+WITH_DBUS=1
+WITH_KMODS=1
+WITH_HARDENING=1
+CC="gcc"
+CC32=""
+CC64=""
+CXX="g++"
+CXX32=""
+CXX64=""
+BCC="bcc"
+YASM="yasm"
+IASL="iasl"
+AS86="as86"
+XSLTPROC="xsltproc"
+GENISOIMAGE="genisoimage"
+MKISOFS="mkisofs"
+BUILD_LIBXML2=
+BUILD_LIBXSLT=
+LIBCRYPTO="-lcrypto"
+LIBPTHREAD="-lpthread"
+LIBCAP="-lcap"
+GSOAP=""
+LIBX11="-L/usr/X11R6/lib -L/usr/X11R6/lib64 -L/usr/local/lib -lXext -lX11"
+INCX11="/usr/local/include"
+LIBXCURSOR="-lXcursor"
+INCZ=""
+LIBZ="-lz"
+INCPNG=""
+LIBPNG="-lpng"
+PKGCONFIG="`which_wrapper pkg-config`"
+PYTHONDIR="/usr /usr/local"
+QT3DIR="/usr/qt/3 /usr/lib/qt3 /usr/lib/qt-3.3 /usr/share/qt3"
+QT3DIR="$QT3DIR /usr/lib64/qt-3.3 /usr/X11R6 /usr/lib/qt"
+QT4DIR="/usr/lib/qt4 /usr/share/qt4 /usr/lib64/qt4 /usr"
+QT4DIR_PKGCONFIG=1
+QT4UIC3DIR="/usr/bin"
+KBUILDDIR="`cd \`dirname $0\`; pwd`/kBuild"
+DEVDIR="`cd \`dirname $0\`; pwd`/tools"
+if [ -d "/lib/modules/`uname -r`/build" ]; then
+ LINUX="/lib/modules/`uname -r`/build"
+else
+ LINUX="/usr/src/linux"
+fi
+KCHMVIEWER="kchmviewer"
+LOG="configure.log"
+CNF="AutoConfig.kmk"
+ENV="env.sh"
+BUILD_TYPE="release"
+# the restricting tool is ar (mri mode).
+INVALID_CHARS="[^A-Za-z0-9/\\$:._-]"
+
+if (cd `dirname $0`; pwd)|grep -q "$INVALID_CHARS"; then
+  echo "Error: VBox base path contains invalid characters!"
+  exit 1
+fi
+
+# darwin /bin/sh has a builtin echo that doesn't grok -n. gotta love it.
+if [ "`uname`" = "Darwin" ]; then
+  ECHO_N="/bin/echo -n"
+else
+  ECHO_N="echo -n"
+fi
+
+
+cleanup()
+{
+  rm -f .tmp_src.cc .tmp_src.c .tmp_out .test_execute.log
+}
+
+fail()
+{
+  if [ -z "$nofatal" -o "x$1" != "x" ]; then
+    cleanup
+    rm -f $ENV
+    exit 1
+  fi
+}
+
+log()
+{
+  echo "$1"
+  echo "$1" >> $LOG
+}
+
+log_success()
+{
+  if [ -n "$1" ]; then $ECHO_N "$1, "; fi
+  echo "OK."
+  echo "$1" >> $LOG
+  echo >> $LOG
+  echo >> $LOG
+}
+
+log_failure()
+{
+  echo
+  echo "  ** $1!"
+  echo "** $1!" >> $LOG
+  echo >> $LOG
+}
+
+cnf_append()
+{
+  printf "%-30s := %s\n" "$1" "$2" >> $CNF
+}
+
+strip_l()
+{
+  echo "$1"|$KBUILD_SED 's|-l\([^ ]\+\)|\1|g; s|^-[^l][^ ]*||g; s| -[^l][^ ]*||g; s|^ ||; s| *$||g'
+}
+
+strip_L()
+{
+  echo "$1"|$KBUILD_SED 's|-L\([^ ]\+\)|\1|g; s|^-[^L][^ ]*||g; s| -[^L][^ ]*||g; s|^ ||; s| *$||g'
+}
+
+strip_I()
+{
+  echo "$1"|$KBUILD_SED 's|-I\([^ ]\+\)|\1|g; s|^-[^I][^ ]*||g; s| -[^I][^ ]*||g; s|^ ||; s| *$||g'
+}
+
+prefix_I()
+{
+  echo "$1"|$KBUILD_SED 's|^\/|-I/|g; s| \/| -I/|g'
+}
+
+check_avail()
+{
+   if [ -z "$1" ]; then
+     log_failure "$2 is empty"
+     fail $3
+     return 1
+   elif which_wrapper $1 > /dev/null; then
+     return 0
+   else
+     log_failure "$1 (variable $2) not found"
+     fail $3
+     return 1
+   fi
+}
+
+
+# Prepare a test
+test_header()
+{
+  echo "***** Checking $1 *****" >> $LOG
+  $ECHO_N "Checking for $1: "
+}
+
+
+# Compile a test
+test_compile()
+{
+  echo "compiling the following source file:" >> $LOG
+  cat .tmp_src.cc >> $LOG
+  echo "using the following command line:" >> $LOG
+  echo "$CXX -O -Wall -o .tmp_out .tmp_src.cc \"$1\"" >> $LOG
+  $CXX -O -Wall -o .tmp_out .tmp_src.cc $1 >> $LOG 2>&1
+  if [ $? -ne 0 ]; then
+    if [ -z "$4" ]; then
+      echo
+      echo "  $2 not found at $1 or $3 headers not found"
+      echo "  Check the file $LOG for detailed error information."
+      fail
+    else
+      echo "not found."
+      echo >> $LOG
+      echo >> $LOG
+    fi
+    return 1
+  fi
+  return 0
+}
+
+
+# Execute a compiled test binary
+test_execute()
+{
+  echo "executing the binary" >> $LOG
+  ./.tmp_out > .test_execute.log
+  rc=$?
+  cat .test_execute.log | tee -a $LOG
+  if [ $rc -ne 0 ]; then
+    fail $1
+    return 1
+  fi
+  echo >> $LOG
+  echo >> $LOG
+  return 0
+}
+
+
+# Execute a compiled test binary
+test_execute_path()
+{
+  echo "executing the binary (LD_LIBRARY_PATH=$1)" >> $LOG
+  LD_LIBRARY_PATH=$1 ./.tmp_out > .test_execute.log
+  rc=$?
+  cat .test_execute.log | tee -a $LOG
+  if [ $rc -ne 0 ]; then
+    fail
+    return 1
+  fi
+  echo >> $LOG
+  echo >> $LOG
+  return 0
+}
+
+
+#
+# Check for OS, MACHINE, CPU
+#
+check_environment()
+{
+  test_header environment
+  OS=`uname -s | sed -e 's/GNU\/Linux/Linux/g' | tr [:upper:] [:lower:]`
+  case "$OS" in
+    linux)
+      ;;
+    darwin)
+      ;;
+    freebsd)
+      ;;
+    sunos)
+      OS='solaris'
+      ;;
+    *)
+      log_failure "Cannot determine OS"
+      exit 1
+      ;;
+  esac
+  BUILD_CPU=`uname -m`
+  [ "$OS" = "solaris" ] && BUILD_CPU=`isainfo | cut -f 1 -d ' '`
+  case "$BUILD_CPU" in
+    i[3456789]86|x86|i86pc)
+      BUILD_MACHINE='x86'
+      LIB='lib'
+      ;;
+    x86_64|amd64)
+      BUILD_MACHINE='amd64'
+      BUILD_CPU='k8'
+      if [ "$OS" != "solaris" ]; then
+        # on AMD64 systems, 64bit libs are usually located in /usr/lib64
+        # see http://www.pathname.com/fhs/pub/fhs-2.3.html#LIB64
+        LIB='lib64'
+      else
+        # Solaris doesn't seem to subscribe to fhs, libs are usually in
+        # a '64' subdirectory of the standard 'lib' dirs while some 64-bit
+        # alternative binaries can be found in 'amd64' subdirs of the 'bin'
+        # ones. So, in order to find the right stuff (esp. sdl-config) we'll
+        # have to make sure the */bin/amd64 dirs are searched before the */bin
+        # ones. (The sed has some sideeffects, but they shouldn't harm us...)
+        echo "64-bit Solaris detected, hacking the PATH" >> $LOG
+        echo "old PATH: $PATH" >> $LOG
+        PATH=`echo ":$PATH:" | sed -e 's,\(:[^:]*/bin\):,\1/amd64:\1:,g' \
+                                   -e 's/^:*//' -e 's/:*$//g' -e 's/::*/:/g' `
+        export PATH
+        echo "new PATH: $PATH" >> $LOG
+        LIB='lib/64'
+      fi
+      ;;
+    *)
+      log_failure "Cannot determine system"
+      exit 1
+      ;;
+  esac
+  [ -z "$TARGET_MACHINE" ] && TARGET_MACHINE=$BUILD_MACHINE
+  [ -z "$TARGET_CPU"     ] && TARGET_CPU=$BUILD_CPU
+  DEVDIR_BIN="$DEVDIR/$OS.$BUILD_MACHINE/bin"
+  log_success "Determined build machine: $OS.$BUILD_MACHINE, target machine: $OS.$TARGET_MACHINE"
+
+  echo "export BUILD_PLATFORM=\"$OS\"" >> $ENV
+  echo "export BUILD_PLATFORM_ARCH=\"$BUILD_MACHINE\"" >> $ENV
+  echo "export BUILD_TARGET=\"$OS\"" >> $ENV
+  echo "export BUILD_TARGET_ARCH=\"$TARGET_MACHINE\"" >> $ENV
+  echo "export BUILD_TARGET_CPU=\"$TARGET_CPU\"" >> $ENV
+  echo "export BUILD_TYPE=\"$BUILD_TYPE\"" >> $ENV
+}
+
+#
+# Check for gcc with version >= 3.2.
+# We depend on a working gcc, if we fail terminate in every case.
+#
+check_gcc()
+{
+  test_header gcc
+  if check_avail "$CC" CC really; then
+    cc_ver=`$CC -dumpversion` 2>/dev/null
+    if [ $? -ne 0 ]; then
+      log_failure "cannot execute '$CC -dumpversion'"
+      fail really
+    fi
+    if check_avail "$CXX" CXX really; then
+      cxx_ver=`$CXX -dumpversion` 2>/dev/null
+      if [ $? -ne 0 ]; then
+        log_failure "cannot execute '$CXX -dumpversion'"
+        fail really
+      fi
+      cc_maj=`echo $cc_ver|cut -d. -f1`
+      cc_min=`echo $cc_ver|cut -d. -f2`
+      if [ "x$cc_ver" != "x$cxx_ver" ]; then
+        log_failure "gcc version $cc_ver does not match g++ version $cxx_ver"
+        fail really
+      elif [ $cc_maj -eq 4 -a $cc_min -eq 0 -a "OS" = "darwin" ]; then
+        log_success "found version $cc_ver"
+      # gcc-4.0 is allowed for Darwin only
+      elif [ $cc_maj -lt 3 \
+             -o \( $cc_maj -eq 3 -a $cc_min -lt 2 \) \
+             -o \( $cc_maj -eq 4 -a $cc_min -lt 1 -a "$OS" != "darwin" \) \
+             -o \( $cc_maj -eq 4 -a $cc_min -gt 3 \) \
+             -o $cc_maj -gt 4 ]; then
+        log_failure "gcc version $cc_ver found, expected gcc 3.x with x>1 or gcc 4.x with 0<x<4"
+        fail really
+      else
+        log_success "found version $cc_ver"
+      fi
+      if [ "$BUILD_MACHINE" = "amd64" ]; then
+        [ -z "$CC32"  ] && CC32="$CC -m32"
+        [ -z "$CXX32" ] && CXX32="$CXX -m32"
+      else
+        [ -z "$CC32"  ] && CC32="$CC"
+        [ -z "$CXX32" ] && CXX32="$CXX"
+      fi
+      if [ "$BUILD_MACHINE" = "x86" -a "$TARGET_MACHINE" = "amd64" ]; then
+        [ -z "$CC64"  ] && CC64="$CC -m64"
+        [ -z "$CXX64" ] && CXX64="$CXX -m64"
+      fi
+      if [ "$CC" != "gcc" ]; then
+        cnf_append "TOOL_GCC3_CC"   "$CC"
+        cnf_append "TOOL_GCC3_AS"   "$CC"
+        cnf_append "TOOL_GCC3_LD"   "$CC"
+        cnf_append "TOOL_GXX3_CC"   "$CC"
+        cnf_append "TOOL_GXX3_AS"   "$CC"
+      fi
+      if [ "$CXX" != "g++" ]; then
+        cnf_append "TOOL_GCC3_CXX"  "$CXX"
+        cnf_append "TOOL_GXX3_CXX"  "$CXX"
+        cnf_append "TOOL_GXX3_LD"   "$CXX"
+      fi
+      if [ "$CC32" != "gcc -m32" ]; then
+        cnf_append "TOOL_GCC32_CC"  "$CC32"
+        cnf_append "TOOL_GCC32_AS"  "$CC32"
+        cnf_append "TOOL_GCC32_LD"  "$CC32"
+        cnf_append "TOOL_GXX32_CC"  "$CC32"
+        cnf_append "TOOL_GXX32_AS"  "$CC32"
+      fi
+      if [ "$CXX32" != "g++ -m32" ]; then
+        cnf_append "TOOL_GCC32_CXX" "$CXX32"
+        cnf_append "TOOL_GXX32_CXX" "$CXX32"
+        cnf_append "TOOL_GXX32_LD"  "$CXX32"
+      fi
+      # this isn't not necessary, there is not such tool.
+      if [ -n "$CC64" ]; then
+        cnf_append "TOOL_GCC64_CC"  "$CC64"
+        cnf_append "TOOL_GCC64_AS"  "$CC64"
+        cnf_append "TOOL_GCC64_LD"  "$CC64"
+        cnf_append "TOOL_GXX64_CC"  "$CC64"
+        cnf_append "TOOL_GXX64_AS"  "$CC64"
+      fi
+      if [ -n "$CXX64" ]; then
+        cnf_append "TOOL_GCC64_CXX" "$CXX64"
+        cnf_append "TOOL_GXX64_CXX" "$CXX64"
+        cnf_append "TOOL_GXX64_LD"  "$CXX64"
+      fi
+      # Solaris sports a 32-bit gcc/g++.
+      if [ "$OS" = "solaris" -a "$BUILD_MACHINE" = "amd64" ]; then
+        [ "$CC" = "gcc" ] && CC="gcc -m64"
+        [ "$CXX" = "g++" ] && CXX="g++ -m64"
+      fi
+    fi
+  fi
+}
+
+
+#
+# Check for the bcc compiler, needed for compiling the BIOS
+#
+check_bcc()
+{
+  test_header bcc
+  if check_avail "$BCC" BCC; then
+    bcc_ver=`$BCC -v 2>&1|grep version|sed 's+^bcc: version \(.*\)+\1+'`
+    if [ $? -ne 0 ]; then
+      log_failure "not found"
+      fail
+    else
+      echo "compiling the following source file:" >> $LOG
+      cat > .tmp_src.c << EOF
+int foo(a)
+  int a;
+{
+  return 0;
+}
+EOF
+      cat .tmp_src.c >> $LOG
+      bcc_path=`which_wrapper $BCC`
+      bcc_dir="`dirname $bcc_path`/"
+      echo "using the following command line:" >> $LOG
+      echo "$BCC -B $bcc_dir -C-c -3 -S -o .tmp_out .tmp_src.c" >> $LOG
+      $BCC -B $bcc_dir -C-c -3 -S -o .tmp_out .tmp_src.c >> $LOG 2>&1
+      if [ $? -ne 0 ]; then
+        log_failure "not found"
+        fail
+      else
+        log_success "found version $bcc_ver"
+        cnf_append "VBOX_BCC" "$bcc_path -B $bcc_dir"
+      fi
+      unset bcc_path
+      unset bcc_dir
+    fi
+  fi
+}
+
+
+#
+# Check for the as86 assembler, needed for compiling the BIOS
+#
+check_as86()
+{
+  test_header as86
+  if check_avail "$AS86" AS86; then
+    as86_ver=`$AS86 -v 2>&1|grep version|sed 's+^as86 version: \(.*\)+\1+'`
+    if [ $? -ne 0 ]; then
+      log_failure "not found"
+      fail
+    else
+      log_success "found version $as86_ver"
+      cnf_append "VBOX_AS86" "`which_wrapper $AS86`"
+    fi
+  fi
+}
+
+
+#
+# Check for yasm, needed to compile assembler files
+#
+check_yasm()
+{
+  test_header yasm
+  if check_avail "$YASM" YASM; then
+    yasm_ver=`$YASM --version|grep "^yasm"|sed 's+^yasm \(.*\)+\1+'`
+    if [ $? -ne 0 ]; then
+      log_failure "not found"
+      fail
+    else
+      yasm_maj=`echo $yasm_ver|cut -d. -f1`
+      yasm_min=`echo $yasm_ver|cut -d. -f2`
+      yasm_rev=`echo $yasm_ver|cut -d. -f3`
+      yasm_ver_mul=`expr $yasm_maj \* 10000 + $yasm_min \* 100 + $yasm_rev`
+      if [ $yasm_ver_mul -lt 501 ]; then
+        log_failure "found version $yasm_ver, expected at least 0.5.1"
+        fail
+      else
+        log_success "found version $yasm_ver"
+      fi
+    fi
+  fi
+}
+
+
+#
+# Check for the iasl ACPI compiler, needed to compile vbox.dsl
+#
+check_iasl()
+{
+  test_header iasl
+  if check_avail "$IASL" IASL; then
+    iasl_ver=`$IASL|grep version|sed 's+^ASL.*version \([0-9]*\).*+\1+'`
+    if [ $? -ne 0 ]; then
+      log_failure "not found"
+      fail
+    else
+      log_success "found version $iasl_ver"
+      cnf_append "VBOX_IASLCMD" "`which_wrapper $IASL`"
+    fi
+  fi
+}
+
+
+#
+# Check for xsltproc, needed by Main
+#
+check_xsltproc()
+{
+  test_header xslt
+  if check_avail "$XSLTPROC" XSLTPROC; then
+    xsltproc_ver=`$XSLTPROC --version`
+    if [ $? -ne 0 ]; then
+      log_failure "not found"
+      fail
+    else
+      log_success "found"
+      cnf_append "VBOX_XSLTPROC" "`which_wrapper $XSLTPROC`"
+    fi
+  fi
+}
+
+
+#
+# Check for mkisofs, needed to build the CDROM image containing the additions
+#
+check_mkisofs()
+{
+  test_header mkisofs
+  if which_wrapper $GENISOIMAGE > /dev/null; then
+    mkisofs_ver=`$GENISOIMAGE --version`
+    if [ $? -ne 0 ]; then
+      log_failure "not found"
+      fail
+    else
+      log_success "found $mkisofs_ver"
+      cnf_append "VBOX_MKISOFS" "`which_wrapper $GENISOIMAGE`"
+    fi
+  elif check_avail "$MKISOFS" MKISOFS; then
+    mkisofs_ver=`$MKISOFS --version`
+    if [ $? -ne 0 ]; then
+      log_failure "not found"
+      fail
+    else
+      log_success "found $mkisofs_ver"
+      cnf_append "VBOX_MKISOFS" "`which_wrapper $MKISOFS`"
+    fi
+  fi
+}
+
+
+#
+# Check for libxml2, needed by VBoxSettings
+# 2.6.24 is known to NOT work, 2.6.26 is known to work (there is no 2.6.25 release)
+#
+check_libxml2()
+{
+  if [ -z "$BUILD_LIBXML2" ]; then
+    test_header libxml2
+    if which_wrapper pkg-config > /dev/null; then
+      libxml2_ver=`pkg-config libxml-2.0 --modversion 2>> $LOG`
+      if [ $? -ne 0 ]; then
+        log_failure "not found"
+        fail
+      else
+        FLGXML2=`pkg-config libxml-2.0 --cflags`
+        INCXML2=`strip_I "$FLGXML2"`
+        LIBXML2=`pkg-config libxml-2.0 --libs`
+        cat > .tmp_src.cc << EOF
+#include <cstdio>
+#include <libxml/xmlversion.h>
+extern "C" int main(void)
+{
+  printf("found version %s", LIBXML_DOTTED_VERSION);
+#if LIBXML_VERSION >= 20626
+  printf(", OK.\n");
+  return 0;
+#else
+  printf(", expected version 2.6.26 or higher\n");
+  return 1;
+#endif
+}
+EOF
+        [ -n "$INCXML2" ] && I_INCXML2=`prefix_I "$INCXML2"`
+        if test_compile "$LIBXML2 $LIBPTHREAD $I_INCXML2" xml2 xml2; then
+          if test_execute; then
+            cnf_append "SDK_VBOX_LIBXML2_INCS" "$INCXML2"
+            cnf_append "SDK_VBOX_LIBXML2_LIBS" "`strip_l "$LIBXML2"`"
+          fi
+        fi
+      fi
+    elif which_wrapper xml2-config; then
+      libxml2_ver=`xml2-config --version`
+      if [ $? -ne 0 ]; then
+        log_failure "not found"
+        fail
+      else
+        log_success "found version $libxml2_ver"
+        FLGXML2=`xml2-config --cflags`
+        INCXML2=`strip_I "$FLGXML2"`
+        LIBXML2=`xml2-config --libs`
+        cat > .tmp_src.cc << EOF
+#include <cstdio>
+#include <libxml/xmlversion.h>
+extern "C" int main(void)
+{
+  printf("found version %s", LIBXML_DOTTED_VERSION);
+#if LIBXML_VERSION >= 20626
+  printf(", OK.\n");
+  return 0;
+#else
+  printf(", expected version 2.6.26 or higher\n");
+  return 1;
+#endif
+}
+EOF
+        [ -n "$INCXML2" ] && I_INCXML2=`prefix_I "$INCXML2"`
+        if test_compile "$LIBXML2 $LIBPTHREAD $I_INCXML2" xml2 xml2; then
+          if test_execute; then
+            cnf_append "SDK_VBOX_LIBXML2_INCS" "$INCXML2"
+            cnf_append "SDK_VBOX_LIBXML2_LIBS" "`strip_l "$LIBXML2"`"
+          fi
+        fi
+      fi
+    else
+      log_failure "neither pkg-config nor xml2-config found"
+      fail
+    fi
+  fi
+}
+
+
+#
+# Check for libxslt, needed by VBoxSettings. For now we depend on 1.1.17.
+# This library is available on Ubuntu Edgy which fulfils the minimal libxml2
+# requirement (2.6.26).
+#
+check_libxslt()
+{
+  if [ -z "$BUILD_LIBXSLT" ]; then
+    test_header libxslt
+    if which_wrapper pkg-config > /dev/null; then
+      libxslt_ver=`pkg-config libxslt --modversion 2>> $LOG`
+      if [ $? -ne 0 ]; then
+        log_failure "not found"
+        fail
+      else
+        FLGXSLT=`pkg-config libxslt --cflags`
+        INCXSLT=`strip_I "$FLGXSLT"`
+        LIBXSLT=`pkg-config libxslt --libs`
+        cat > .tmp_src.cc << EOF
+#include <cstdio>
+#include <libxslt/xsltconfig.h>
+extern "C" int main(void)
+{
+  printf("found version %s", LIBXSLT_DOTTED_VERSION);
+#if LIBXSLT_VERSION >= 10117
+  printf(", OK.\n");
+  return 0;
+#else
+  printf(", expected version 1.1.17 or higher\n");
+  return 1;
+#endif
+}
+EOF
+        [ -n "$INCXSLT" ] && I_INCXSLT=`prefix_I "$INCXSLT"`
+        if test_compile "$LIBXSLT $LIBPTHREAD $I_INCXSLT" xslt xslt; then
+          if test_execute; then
+            cnf_append "SDK_VBOX_LIBXSLT_INCS" "$INCXSLT"
+            cnf_append "SDK_VBOX_LIBXSLT_LIBS" "`strip_l "$LIBXSLT"`"
+          fi
+        fi
+      fi
+    elif which_wrapper xslt-config; then
+      libxslt_ver=`xslt-config --version`
+      if [ $? -ne 0 ]; then
+        log_failure "not found"
+        fail
+      else
+        log_success "found version $libxslt_ver"
+        FLGXSLT=`xslt-config --cflags`
+        INCXSLT=`strip_I "$FLGXSLT"`
+        LIBXSLT=`xslt-config --libs`
+        cat > .tmp_src.cc << EOF
+#include <cstdio>
+#include <libxslt/xsltconfig.h>
+extern "C" int main(void)
+{
+  printf("found version %s", LIBXSLT_DOTTED_VERSION);
+#if LIBXSLT_VERSION >= 10117
+  printf(", OK.\n");
+  return 0;
+#else
+  printf(", expected version 1.1.17 or higher\n");
+  return 1;
+#endif
+}
+EOF
+        [ -n "$INCXSLT" ] && I_INCXSLT=`prefix_I "$INCXSLT"`
+        if test_compile "$LIBXSLT $LIBPTHREAD $I_INCXSLT" xslt xslt; then
+          if test_execute; then
+            cnf_append "SDK_VBOX_LIBXSLT_INCS" "$INCXSLT"
+            cnf_append "SDK_VBOX_LIBXSLT_LIBS" "`strip_l "$LIBXSLT"`"
+          fi
+        fi
+      fi
+    else
+      log_failure "neither pkg-config nor xslt-config found"
+      fail
+    fi
+  fi
+}
+
+
+#
+# Check for libIDL, needed by xpcom
+#
+check_libidl()
+{
+  test_header libIDL
+
+  if which_wrapper libIDL-config-2 > /dev/null; then
+    libidl_ver=`libIDL-config-2 --version`
+    if [ $? -ne 0 ]; then
+      log_failure "not found"
+      fail
+    else
+      log_success "found version $libidl_ver"
+      cnf_append "VBOX_LIBIDL_CONFIG" \
+        "PKG_CONFIG_PATH=`libIDL-config-2 --prefix`/$LIB/pkgconfig `which_wrapper libIDL-config-2`"
+    fi
+  elif check_avail "libIDL-config" libIDL-config; then
+    libidl_ver=`libIDL-config --version`
+    if [ $? -ne 0 ]; then
+      log_failure "not found"
+      fail
+    else
+      log_success "found version $libidl_ver"
+      cnf_append "VBOX_LIBIDL_CONFIG" "`which_wrapper libIDL-config`"
+    fi
+  fi
+}
+
+
+#
+# Check for openssl, needed for RDP
+#
+check_ssl()
+{
+  test_header ssl
+  cat > .tmp_src.cc << EOF
+#include <cstdio>
+#include <openssl/opensslv.h>
+extern "C" int main(void)
+{
+  printf("found version %s", OPENSSL_VERSION_TEXT);
+#if OPENSSL_VERSION_NUMBER >= 0x0090700
+  printf(", OK.\n");
+  return 0;
+#else
+  printf(", expected version 0.9.7 or higher\n");
+  return 1;
+#endif
+}
+EOF
+  if test_compile $LIBCRYPTO libcrypto openssl; then
+    if test_execute nofatal; then
+      cnf_append "SDK_VBOX_OPENSSL_INCS" ""
+      cnf_append "SDK_VBOX_OPENSSL_LIBS" "`strip_l "$LIBCRYPTO"`"
+    fi
+  fi
+}
+
+
+#
+# Check for pthread, needed by VBoxSVC, frontends, ...
+#
+check_pthread()
+{
+  test_header pthread
+  cat > .tmp_src.cc << EOF
+#include <cstdio>
+#include <pthread.h>
+extern "C" int main(void)
+{
+  pthread_mutex_t mutex;
+  if (pthread_mutex_init(&mutex, NULL)) {
+    printf("pthread_mutex_init() failed\n");
+    return 1;
+  }
+  if (pthread_mutex_lock(&mutex)) {
+    printf("pthread_mutex_lock() failed\n");
+    return 1;
+  }
+  if (pthread_mutex_unlock(&mutex)) {
+    printf("pthread_mutex_unlock() failed\n");
+    return 1;
+  }
+  printf("found, OK.\n");
+}
+EOF
+  if test_compile $LIBPTHREAD pthread pthread; then
+    if test_execute; then
+      cnf_append "LIB_PTHREAD" "`strip_l "$LIBPTHREAD"`"
+    fi
+  fi
+}
+
+
+#
+# Check for zlib, needed by VBoxSVC, Runtime, ...
+#
+check_z()
+{
+  test_header zlib
+  cat > .tmp_src.cc << EOF
+#include <cstdio>
+#include <zlib.h>
+extern "C" int main(void)
+{
+  printf("found version %s", ZLIB_VERSION);
+#if ZLIB_VERNUM >= 0x1210
+  printf(", OK.\n");
+  return 0;
+#else
+  printf(", expected version 1.2.1 or higher\n");
+  return 1;
+#endif
+}
+EOF
+  [ -n "$INCZ" ] && I_INCZ=`prefix_I "$INCZ"`
+  if test_compile "$LIBZ $I_INCZ" zlib zlib; then
+    if test_execute; then
+      cnf_append "SDK_VBOX_ZLIB_LIBS" "`strip_l "$LIBZ"`"
+      cnf_append "SDK_VBOX_ZLIB_INCS" "$INCZ"
+    fi
+  fi
+}
+
+
+#
+# Check for libpng, needed by kchmviewer
+#
+check_png()
+{
+  test_header libpng
+  cat > .tmp_src.cc << EOF
+#include <cstdio>
+#include <png.h>
+extern "C" int main(void)
+{
+  printf("found version %s", PNG_LIBPNG_VER_STRING);
+#if PNG_LIBPNG_VER >= 10205
+  printf(", OK.\n");
+  return 0;
+#else
+  printf(", expected version 1.2.5 or higher\n");
+  return 1;
+#endif
+}
+EOF
+  [ -n "$INCPNG" ] && I_INCPNG=`prefix_I "$INCPNG"`
+#  if test_compile "$LIBPNG $I_INCPNG" libpng libpng nofatal; then
+  if test_compile "$LIBPNG $I_INCPNG" libpng libpng; then
+#    if test_execute nofatal; then
+    if test_execute; then
+      cnf_append "SDK_VBOX_LIBPNG_LIBS" "`strip_l "$LIBPNG"`"
+      cnf_append "SDK_VBOX_LIBPNG_INCS" "$INCPNG"
+    fi
+  fi
+}
+
+
+#
+# Check for pam, needed by VRDPAuth
+# Version 79 was introduced in 9/2005, do we support older versions?
+# Debian/sarge uses 76
+# OpenSUSE comes with 0.99.xxx where they changed the versioning scheme.
+#
+check_pam()
+{
+  test_header pam
+  cat > .tmp_src.cc << EOF
+#include <cstdio>
+#include <security/pam_appl.h>
+extern "C" int main(void)
+{
+  printf("found version %d", __LIBPAM_VERSION);
+  if (__LIBPAM_VERSION >= 76)
+  {
+    printf(", OK.\n");
+    return 0;
+  }
+  else
+  {
+    printf(", expected version 76 or higher\n");
+    return 1;
+  }
+}
+EOF
+  if test_compile "-lpam" pam pam nofatal; then
+    if test_execute nofatal; then
+      return 0;
+    fi
+  fi
+  test_header linux_pam
+  cat > .tmp_src.cc << EOF
+#include <cstdio>
+#include <security/pam_appl.h>
+extern "C" int main(void)
+{
+  printf("found version %d.%d", __LINUX_PAM__, __LINUX_PAM_MINOR__);
+  if (__LINUX_PAM__ >= 1)
+  {
+    printf(", OK.\n");
+    return 0;
+  }
+  else
+  {
+    printf(", expected version 1.0 or higher\n");
+    return 1;
+  }
+}
+EOF
+  if test_compile "-lpam" pam pam; then
+    test_execute
+  fi
+}
+
+
+#
+# Check for the SDL library, needed by VBoxSDL and VirtualBox
+# We depend at least on version 1.2.7
+#
+check_sdl()
+{
+  test_header SDL
+  if [ "$OS" = "darwin" ]; then
+    if [ -f "/System/Library/Frameworks/SDL.framework/SDL" ]; then
+      PATH_SDK_LIBSDL="/System/Library/Frameworks/SDL.framework"
+    elif [ -f "/Library/Frameworks/SDL.framework/SDL" ]; then
+      PATH_SDK_LIBSDL="/Library/Frameworks/SDL.framework"
+    fi
+    if [ -n "$PATH_SDK_LIBSDL" ]; then
+      foundsdl=1
+      INCSDL="$PATH_SDK_LIBSDL/Headers"
+      FLDSDL="-framework SDL"
+    else
+      log_failure "SDL framework not found"
+      fail
+    fi
+  else
+    if which_wrapper sdl-config > /dev/null; then
+      FLGSDL=`sdl-config --cflags`
+      INCSDL=`strip_I "$FLGSDL"`
+      LIBSDL=`sdl-config --libs`
+      LIBSDLMAIN="-lSDLmain"
+      FLDSDL=
+      foundsdl=1
+    fi
+  fi
+  [ "$OS" = "linux" -o "$OS" = "darwin" -o "$OS" = "solaris" ] && LIBSDLMAIN=""
+  if [ -n "$foundsdl" ]; then
+    cat > .tmp_src.cc << EOF
+#include <cstdio>
+#include <SDL.h>
+#include <SDL_main.h>
+#undef main
+extern "C" int main(int argc, char** argv)
+{
+  printf("found version %d.%d.%d",
+         SDL_MAJOR_VERSION, SDL_MINOR_VERSION, SDL_PATCHLEVEL);
+#if SDL_VERSION_ATLEAST(1,2,7)
+  printf(", OK.\n");
+  return 0;
+#else
+  printf(", expected version 1.2.7 or higher\n");
+  return 1;
+#endif
+}
+EOF
+    [ -n "$INCSDL" ] && I_INCSDL=`prefix_I "$INCSDL"`
+    if test_compile "$LIBSDL $LIBSDLMAIN $I_INCSDL $FLDSDL" SDL SDL; then
+      if test_execute; then
+        cnf_append "LIB_SDK_LIBSDL_SDL"     "`strip_l "$LIBSDL"`"
+        cnf_append "SDK_LIBSDL_LIBPATH"     "`strip_L "$LIBSDL"`"
+        cnf_append "LIB_SDK_LIBSDL_SDLMAIN" "`strip_l "$LIBSDLMAIN"`"
+        [ -n "$INCSDL" ] && cnf_append "SDK_LIBSDL_INCS"    "$INCSDL"
+        [ -n "$FLDSDL" ] && cnf_append "SDK_LIBSDL_LDFLAGS" "$FLDSDL"
+      fi
+    fi
+  else
+    log_failure "not found"
+    fail
+  fi
+}
+
+
+#
+# Check for the SDL_ttf library, needed by VBoxSDL (secure label)
+#
+check_sdl_ttf()
+{
+  test_header SDL_ttf
+  cat > .tmp_src.cc << EOF
+#include <cstdio>
+#include <SDL_ttf.h>
+#ifndef SDL_TTF_MAJOR_VERSION
+#define SDL_TTF_MAJOR_VERSION TTF_MAJOR_VERSION
+#define SDL_TTF_MINOR_VERSION TTF_MINOR_VERSION
+#define SDL_TTF_PATCHLEVEL    TTF_PATCHLEVEL
+#endif
+extern "C" int main(void)
+{
+  printf("found version %d.%d.%d",
+         SDL_TTF_MAJOR_VERSION, SDL_TTF_MINOR_VERSION, SDL_TTF_PATCHLEVEL);
+#if 10000*SDL_TTF_MAJOR_VERSION + 100*SDL_TTF_MINOR_VERSION + SDL_TTF_PATCHLEVEL >= 20006
+  printf(", OK.\n");
+  return 0;
+#else
+  printf(", expected version 2.0.6 or higher\n");
+  return 1;
+#endif
+}
+EOF
+  if test_compile "-lSDL_ttf $I_INCSDL" SDL_ttf SDL_ttf nofatal; then
+    if ! test_execute nofatal; then
+      cnf_append "VBOX_WITH_SECURELABEL" ""
+    fi
+  else
+    cnf_append "VBOX_WITH_SECURELABEL" ""
+  fi
+}
+
+
+#
+# Check for libasound, needed by the ALSA audio backend
+#
+check_alsa()
+{
+  test_header ALSA
+  cat > .tmp_src.cc << EOF
+#include <cstdio>
+#include <alsa/asoundlib.h>
+extern "C" int main(void)
+{
+  printf("found version %d.%d.%d",
+         SND_LIB_MAJOR, SND_LIB_MINOR, SND_LIB_SUBMINOR);
+#if 10000*SND_LIB_MAJOR + 100*SND_LIB_MINOR + SND_LIB_SUBMINOR >= 10006
+  printf(", OK.\n");
+  return 0;
+#else
+  printf(", expected version 1.0.6 or higher\n");
+  return 1;
+#endif
+}
+EOF
+  if test_compile "-lasound" asound asound; then
+    test_execute
+  fi
+}
+
+
+#
+# Check for PulseAudio
+#
+check_pulse()
+{
+  test_header "PulseAudio"
+  cat > .tmp_src.cc << EOF
+#include <cstdio>
+#include <pulse/version.h>
+extern "C" int main(void)
+{
+  printf("found version %s API version %d", pa_get_headers_version(), PA_API_VERSION);
+#if PA_API_VERSION >= 9
+  printf(", OK.\n");
+  return 0;
+#else
+  printf(", expected version 0.9.0 (API version 9) or higher\n");
+  return 1;
+#endif
+}
+EOF
+  if test_compile "-lpulse" pulse pulse; then
+    test_execute
+  fi
+}
+
+
+#
+# Check for the Xcursor library, needed by VBoxSDL and VBoxBFE
+#
+check_xcursor()
+{
+  test_header Xcursor
+  cat > .tmp_src.cc << EOF
+#include <cstdio>
+#include <X11/Xlib.h>
+#include <X11/Xcursor/Xcursor.h>
+extern "C" int main(void)
+{
+  XcursorImage *cursor = XcursorImageCreate (10, 10);
+  XcursorImageDestroy(cursor);
+  return 0;
+}
+EOF
+  [ -n "$INCX11" ] && I_INCX11=`prefix_I "$INCX11"`
+  if test_compile "$LIBX11 $LIBXCURSOR $I_INCX11" Xcursor Xcursor; then
+    log_success "found"
+    cnf_append "VBOX_XCURSOR_LIBS" "`strip_l "$LIBXCURSOR"`"
+  fi
+}
+
+
+#
+# Check for the X libraries (Xext, X11)
+#
+check_x()
+{
+  test_header "X libraries"
+  cat > .tmp_src.cc << EOF
+#include <cstdio>
+#include <X11/Xlib.h>
+extern "C" int main(void)
+{
+  Display *dpy;
+  int scrn_num;
+  Screen *scrn;
+  Window win;
+
+  dpy      = XOpenDisplay(NULL);
+  scrn_num = DefaultScreen(dpy);
+  scrn     = ScreenOfDisplay(dpy, scrn_num);
+  win      = XCreateWindow(dpy, RootWindowOfScreen(scrn), 0, 0, 100, 100,
+                           0, 16, InputOutput, CopyFromParent, 0, NULL);
+  XDestroyWindow(dpy, win);
+}
+EOF
+  [ -n "$INCX11" ] && I_INCX11=`prefix_I "$INCX11"`
+  if test_compile "$LIBX11 $I_INCX11" Xlibs Xlibs; then
+    log_success "found"
+  fi
+}
+
+
+#
+# Check for the Qt3 library, needed by VirtualBox
+#
+check_qt3()
+{
+  test_header Qt3
+  cat > .tmp_src.cc << EOF
+#include <cstdio>
+#include <qglobal.h>
+extern "C" int main(void)
+{
+  printf("found version %s", QT_VERSION_STR);
+#if QT_VERSION >= 0x030305
+  printf(", OK.\n");
+  return 0;
+#elif QT_VERSION >= 0x030300
+  printf("\n  ** WARNING: QT < 3.3.5 has known problems!\n");
+#else
+  printf(", expected version 3.3.0 or higher\n");
+  return 1;
+#endif
+}
+EOF
+  found_qt=0
+  libs="lib"
+  [ "$LIB" = "lib64" ] && libs="$libs lib64"
+  for q in $QT3DIR; do
+    for l in $libs; do
+      echo "compiling the following source file:" >> $LOG
+      cat .tmp_src.cc >> $LOG
+      echo "using the following command line:" >> $LOG
+      echo "$CXX -O -Wall -o .tmp_out .tmp_src.cc -I$q/include -L$q/$l -lqt-mt $LIBPTHREAD" >> $LOG
+      $CXX -O -Wall -o .tmp_out .tmp_src.cc -I$q/include -L$q/$l -lqt-mt $LIBPTHREAD >> $LOG 2>&1
+      if [ $? -eq 0 ]; then
+        if test_execute; then
+          cnf_append "PATH_SDK_QT3" "`cd $q ; pwd`"
+          found_qt=1
+          break
+        fi
+      fi
+    done
+    if [ $found_qt -eq 1 ]; then
+      break
+    fi
+  done
+  if [ $found_qt -ne 1 ]; then
+    echo
+    echo "  Qt3 not found at \"$QT3DIR\" or Qt3 headers not found"
+    echo "  Check the file $LOG for detailed error information."
+    fail
+    return 1
+  fi
+  test_header "Qt3 devtools"
+  if check_avail "$q/bin/moc" QT3DIR/bin; then
+    moc_ver=`$q/bin/moc 2>&1 -v|sed 's+^.*(Qt \(.*\))+\1+'`
+    if [ $? -ne 0 ]; then
+      log_failure "not found"
+      fail
+    else
+      log_success "found version $moc_ver"
+      # cnf_append "VBOX_PATH_QT3" "$q" - later/never?
+      cnf_append "PATH_SDK_QT3"      "$q"
+      cnf_append "PATH_SDK_QT3_LIB"  "$q/$l"
+      cnf_append "PATH_SDK_QT3_INC"  "$q/include"
+      cnf_append "PATH_TOOL_QT3_BIN" "$q/bin"
+    fi
+  fi
+}
+
+
+#
+# Check for the Qt4 library, needed by VirtualBox4
+#
+# Currently not fatal.
+#
+check_qt4()
+{
+  foundqt4=
+  test_header Qt4
+  if [ "$OS" = "darwin" ]; then
+    if [ -f "/System/Library/Frameworks/QtCore.framework/QtCore" ]; then
+      PATH_SDK_QT4="/System/Library/Framework/QtCore.framework"
+    elif [ -f "/Library/Frameworks/QtCore.framework/QtCore" ]; then
+      PATH_SDK_QT4="/Library/Frameworks/QtCore.framework"
+    fi
+    if [ -n "$PATH_SDK_QT4" ]; then
+      foundqt4=1
+      INCQT4="$PATH_SDK_QT4/Headers"
+      LIBQT4=
+      FLGQT4="-framework QtCore"
+    else
+      log_failure "Qt4 framework not found (can be disable using --disable-qt4)"
+      fail
+    fi
+  else
+    if [ $QT4DIR_PKGCONFIG -eq 1 ]; then
+      # default is to use pkg-config
+      if which_wrapper pkg-config > /dev/null; then
+        # this braindead path is necessary for mdv2008.1
+        qt4_ver=`\
+            PKG_CONFIG_PATH=/usr/lib/qt4/lib/pkgconfig \
+            pkg-config QtCore --modversion 2>> $LOG`
+        if [ $? -ne 0 ]; then
+          log_failure "not found"
+          fail
+        else
+          FLGQT4=`\
+              PKG_CONFIG_PATH=/usr/lib/qt4/lib/pkgconfig \
+              pkg-config QtCore --cflags`
+          INCQT4=`strip_I "$FLGQT4"`
+          LIBQT4=`\
+              PKG_CONFIG_PATH=/usr/lib/qt4/lib/pkgconfig \
+              PKG_CONFIG_ALLOW_SYSTEM_LIBS=1 \
+              pkg-config QtCore --libs`
+          foundqt4=1
+        fi
+      else
+        log_failure "pkg-config not found"
+        fail
+      fi
+    else
+      # do it the old way (e.g. user has specified QT4DIR)
+      cat > .tmp_src.cc << EOF
+#include <cstdio>
+#include <QtGlobal>
+extern "C" int main(void)
+{
+  printf("found version %s", QT_VERSION_STR);
+#if QT_VERSION >= 0x040300
+  printf(", OK.\n");
+  return 0;
+#else
+  printf(", expected version 4.3.0 or higher\n");
+  return 1;
+#endif
+}
+EOF
+      for q in $QT4DIR; do
+        INCQT4="$q/include $q/include/QtCore"
+        FLGQT4="-DQT_SHARED"
+        I_INCQT4=`prefix_I "$INCQT4"`
+        LIBQT4="-L$q/lib -lVBoxQtCore"
+        if test_compile "$LIBQT4 $LIBPTHREAD $I_INCQT4 $FLGQT4" qt4 qt4 nofatal; then
+          foundqt4=2
+          break;
+        fi
+        LIBQT4="-L$q/lib -lQtCore"
+        if test_compile "$LIBQT4 $LIBPTHREAD $I_INCQT4 $FLGQT4" qt4 qt4 nofatal; then
+          foundqt4=1
+          break;
+        fi
+      done
+    fi
+  fi
+  if [ -n "$foundqt4" ]; then
+    cat > .tmp_src.cc << EOF
+#include <cstdio>
+#include <QtGlobal>
+extern "C" int main(void)
+{
+  printf("found version %s", QT_VERSION_STR);
+#if QT_VERSION >= 0x040300
+  printf(", OK.\n");
+  return 0;
+#else
+  printf(", expected version 4.3.0 or higher\n");
+  return 1;
+#endif
+}
+EOF
+    [ -n "$INCQT4" ] && I_INCQT4=`prefix_I "$INCQT4"`
+    if test_compile "$LIBQT4 $LIBPTHREAD $I_INCQT4 $FLGQT4" qt4 qt4 nofatal; then
+      if test_execute_path "`strip_L "$LIBQT4"`"; then
+        if [ "$OS" != "darwin" ]; then
+          # strip .../QtCore as we add components ourself
+          INCQT4=`echo "$INCQT4"|$KBUILD_SED 's|\([^ ]*\)/QtCore|\1|g; s| $||g'`
+          # store only the first path, remove all other pathes
+          # most likely pkg-config gave us -I/usr/include/qt4 -I/usr/include/qt4/QtCore
+          INCQT4=`echo "$INCQT4"|$KBUILD_SED 's|\([^ ]*\) .*|\1|'`
+          cnf_append "VBOX_PATH_QT4_LIB" "`strip_L "$LIBQT4"`"
+          cnf_append "SDK_QT4_LIBPATH" "`strip_L "$LIBQT4"`"
+          cnf_append "PATH_SDK_QT4_INC" "$INCQT4"
+          # this is not quite right since the qt libpath does not have to be first...
+          cnf_append "PATH_SDK_QT4_LIB" '$'"(firstword `strip_L "$LIBQT4"`)"
+          if [ "$foundqt4" = "2" ]; then
+            cnf_append "VBOX_WITH_QT4_SUN" "1"
+          fi
+          test_header "Qt4 devtools"
+          for q in $QT4DIR; do
+            if which_wrapper "$q/bin/moc" > /dev/null; then
+              moc_ver=`$q/bin/moc -v 2>&1|sed 's+^.*(Qt \(.*\))+\1+'`
+              if [ $? -ne 0 ]; then
+                log_failure "not found"
+                fail
+              else
+                log_success "found version $moc_ver"
+                cnf_append "VBOX_PATH_QT4" "$q"
+                cnf_append "PATH_SDK_QT4" "$q"
+                cnf_append "PATH_TOOL_QT4" "$q"
+                cnf_append "PATH_TOOL_QT4_BIN" "$q/bin"
+                return
+              fi
+            fi
+          done
+        fi
+      fi
+    else
+      log_failure "not found"
+      fail
+    fi
+  else
+    log_failure "not found"
+    fail
+  fi
+}
+
+
+#
+# Check whether static libstdc++ is installed
+#
+check_staticlibstdcxx()
+{
+  test_header "static stc++ library"
+  libstdcxx=`$CXX -print-file-name=libstdc++.a`
+  cat > .tmp_src.cc << EOF
+#include <string>
+
+extern "C" int main(void)
+{
+  std::string s = "test";
+  return 0;
+}
+EOF
+  if test_compile "$libstdcxx" libstdc++ libstdc++; then
+    log_success "found"
+  fi
+}
+
+
+#
+# Check for Linux sources
+#
+check_linux()
+{
+  test_header "Linux kernel sources"
+  cat > .tmp_src.c << EOF
+#include <linux/version.h>
+int printf(const char *format, ...);
+int main(void)
+{
+  printf("found version %d.%d.%d",  LINUX_VERSION_CODE / 65536,
+                                   (LINUX_VERSION_CODE % 65536) / 256,
+                                    LINUX_VERSION_CODE          % 256);
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,4,0)
+  printf(", OK.\n");
+  return 0;
+#else
+  printf(", expected version 2.4.0 or higher\n");
+  return 1;
+#endif
+}
+EOF
+  echo "compiling the following source file:" >> $LOG
+  cat .tmp_src.c >> $LOG
+  echo "using the following command line:" >> $LOG
+  echo "$CC -O -Wall -o .tmp_out .tmp_src.c -nostdinc -I$LINUX/include" >> $LOG
+  $CC -O -Wall -o .tmp_out .tmp_src.c -nostdinc -I$LINUX/include >> $LOG 2>&1
+  if [ $? -ne 0 ]; then
+    echo
+    echo "  Linux kernel headers not found at $LINUX"
+    echo "  Check the file $LOG for detailed error information."
+    fail
+  else
+    if test_execute; then
+      cnf_append "VBOX_LINUX_SRC" "`cd $LINUX ; pwd`"
+    fi
+  fi
+}
+
+
+#
+# Check for kchmviewer, needed to display the online help
+# (unused as we ship kchmviewer)
+#
+check_kchmviewer()
+{
+  test_header kchmviewer
+  if check_avail "$KCHMVIEWER" KCHMVIEWER; then
+    kchmviewer_ver=`$KCHMVIEWER --version|grep "^KchmViewer:"|sed 's+^KchmViewer: \(.*\)+\1+'`
+    if [ $? -ne 0 ]; then
+      log_failure "not found"
+      fail
+    else
+      log_success "found version $kchmviewer_ver"
+    fi
+  fi
+}
+
+
+#
+# Check for the kBuild tools, we don't support GNU make
+#
+check_kbuild()
+{
+  test_header kBuild
+  if which_wrapper "$KBUILDDIR/bin/$OS.$BUILD_MACHINE/kmk" > /dev/null; then
+    KBUILDDIR_BIN="$KBUILDDIR/bin/$OS.$BUILD_MACHINE"
+    echo "export PATH_KBUILD=\"`cd $KBUILDDIR ; pwd`\"" >> $ENV
+    echo "export PATH_DEVTOOLS=\"$DEVDIR\"" >> $ENV
+    echo "path_kbuild_bin=\"\$PATH_KBUILD/bin/\$BUILD_TARGET.\$BUILD_PLATFORM_ARCH\"" >> $ENV
+    echo "export PATH_KBUILD_BIN=\"\$path_kbuild_bin\"" >> $ENV
+    echo "path_dev_bin=\"\$PATH_DEVTOOLS/\$BUILD_TARGET.\$BUILD_PLATFORM_ARCH\"/bin" >> $ENV
+    if [ "$OS" = "solaris" ]; then
+      # Because of sh being non-default shell in Solaris we need to export PATH again when
+      # sourcing env.sh. Simply exporting from ./configure does not export PATH correctly.
+      echo "PATH=\"$ORGPATH\"" >> $ENV
+      echo "echo \"\$PATH\" | /usr/sfw/bin/ggrep -q \"\$path_kbuild_bin\" || PATH=\"\$path_kbuild_bin:\$PATH\"" >> $ENV
+      echo "echo \"\$PATH\" | /usr/sfw/bin/ggrep -q \"\$path_dev_bin\" || PATH=\"\$path_dev_bin:\$PATH\"" >> $ENV
+    else
+      echo "echo \"\$PATH\" | grep -q \"\$path_kbuild_bin\" || PATH=\"\$path_kbuild_bin:\$PATH\"" >> $ENV
+      echo "echo \"\$PATH\" | grep -q \"\$path_dev_bin\" || PATH=\"\$path_dev_bin:\$PATH\"" >> $ENV
+    fi
+    echo "export PATH" >> $ENV
+    echo "unset path_kbuild_bin path_dev_bin" >> $ENV
+    KBUILD_SED="$KBUILDDIR_BIN/kmk_sed"
+  elif check_avail "kmk" KBUILDDIR really; then
+    # check for installed kBuild
+    KBUILD_SED="`which_wrapper kmk_sed`"
+  else
+    fail
+  fi
+  log_success "found"
+}
+
+
+#
+# Check for compiler.h
+# Some Linux distributions include "compiler.h" in their libc linux
+# headers package, some don't.  Most don't need it, building might (!)
+# not succeed on openSUSE without it.
+#
+# See http://www.mail-archive.com/qemu-devel%40nongnu.org/msg07980.html
+#
+check_compiler_h()
+{
+  test_header compiler.h
+  if ! test -f "/usr/include/linux/compiler.h"; then
+    cnf_append "VBOX_WITHOUT_LINUX_COMPILER_H" "1"
+    log_success "compiler.h not found"
+  else
+    log_success "compiler.h found"
+  fi
+}
+
+#
+# Check for libcap.
+# Required to pass CAP_NET_RAW to our binaries to allow to open SOCK_RAW
+# sockets for doing ICMP requests.
+#
+check_libcap()
+{
+  test_header "libcap library"
+  cat > .tmp_src.cc << EOF
+#include <cstdio>
+#include <sys/capability.h>
+
+extern "C" int main(void)
+{
+  char buf[1024];
+  cap_t caps = cap_get_proc();
+  snprintf(buf, sizeof(buf), "Current caps are '%s'\n", cap_to_text(caps, NULL));
+  return 0;
+}
+EOF
+  if test_compile $LIBCAP libcap libcap; then
+    if test_execute; then
+      log_success "found"
+    fi
+  fi
+}
+
+#
+# Check if we are able to build 32-bit applications (needed for the guest additions)
+#
+check_32bit()
+{
+  test_header "32-bit support"
+  cat > .tmp_src.c << EOF
+#include <stdint.h>
+int main(void)
+{
+  return 0;
+}
+EOF
+  echo "compiling the following source file:" >> $LOG
+  cat .tmp_src.c >> $LOG
+  echo "using the following command line:" >> $LOG
+  echo "$CC -m32 -O -Wall -o .tmp_out .tmp_src.c" >> $LOG
+  $CC -m32 -O -Wall -o .tmp_out .tmp_src.c >> $LOG 2>&1
+  if [ $? -ne 0 ]; then
+    echo
+    echo "  Cannot compile 32-bit applications (missing headers and/or libraries)!"
+    echo "  Check the file $LOG for detailed error information."
+    fail
+  fi
+  log_success ""
+}
+
+
+#
+# Check for Python
+#
+check_python()
+{
+  test_header "python support"
+  cat > .tmp_src.cc << EOF
+#include <cstdio>
+#include <Python.h>
+extern "C" int main(void)
+{
+  Py_Initialize();
+  printf("found version %s", PY_VERSION);
+#if PY_VERSION_HEX >= 0x02030000
+  printf(", OK.\n");
+  return 0;
+#else
+  printf(", expected version 2.3 or higher\n");
+  return 1;
+#endif
+}
+EOF
+  found=
+  for p in $PYTHONDIR; do
+    for d in python2.6 python2.5 python2.4 python2.3; do
+      for b in lib64 lib/64 lib; do
+        echo "compiling the following source file:" >> $LOG
+        cat .tmp_src.cc >> $LOG
+        echo "using the following command line:" >> $LOG
+        echo "$CXX -O -Wall -o .tmp_out .tmp_src.cc -I$p/include/$d $p/$b/lib$d.so" >> $LOG
+        $CXX -O -Wall -o .tmp_out .tmp_src.cc -I$p/include/$d $p/$b/lib$d.so >> $LOG 2>&1
+        if [ $? -eq 0 ]; then
+          found=1
+          break
+        fi
+      done
+      if [ -n "$found" ]; then break; fi
+    done
+    if [ -n "$found" ]; then break; fi
+  done
+  if [ -n "$found" ]; then
+    if test_execute; then
+      cnf_append "VBOX_WITH_PYTHON"     "1"
+      cnf_append "VBOX_PATH_PYTHON_INC" "$p/include/$d"
+      cnf_append "VBOX_LIB_PYTHON"      "$p/$b/lib$d.so"
+    else
+      log_failure "not found"
+      fail
+    fi
+  else
+    log_failure "not found"
+    fail
+  fi
+}
+
+
+#
+# Setup wine
+#
+setup_wine()
+{
+  test_header "Wine support"
+  if ! which_wrapper wine > /dev/null; then
+    echo "  wine binary not found"
+    fail
+  fi
+  if ! which_wrapper wineprefixcreate > /dev/null; then
+    echo "  wineprefixcreate not found"
+    fail
+  fi
+  export WINEPREFIX="${ODIR}wine.$BUILD_MACHINE"
+  echo "export WINEPREFIX=\"${ODIR}wine.$BUILD_MACHINE\"" >> $ENV
+  rm -rf $WINEPREFIX
+  mkdir -p $WINEPREFIX
+  touch $WINEPREFIX/.no_prelaunch_window_flag
+  if ! wineprefixcreate -q > /dev/null 2>&1; then
+    echo "  wineprefixcreate failed"
+    fail
+  fi
+  tmp=.tmp.wine.reg
+  rm -f $tmp
+  echo 'REGEDIT4' > $tmp
+  echo '' >> $tmp
+  echo '[HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\Session Manager\Environment]' >> $tmp
+  echo "\"PATH\"=\"c:\\\\\\\\windows\\\\\\\\system32;c:\\\\\\\\windows;z:$DEVDIR/win.x86/vcc/v8/bin/Microsoft.VC80.CRT;z:$DEVDIR/win.x86/HTML_Help_Workshop/v1.3\"" >> $tmp
+  echo '' >> $tmp
+  echo '[HKEY_CURRENT_USER\Software\Wine\AppDefaults\hhc.exe\DllOverrides]' >> $tmp
+  echo '"itss"="native"' >> $tmp
+  echo '' >> $tmp
+  echo '[HKEY_CURRENT_USER\Software\Wine\AppDefaults\hhw.exe\DllOverrides]' >> $tmp
+  echo '"itss"="native"' >> $tmp
+  echo '' >> $tmp
+  if ! wine regedit $tmp > /dev/null 2>&1; then
+    rm -f $tmp
+    echo "  failed to load registry changes (path)."
+    fail
+  fi
+  rm -f $tmp
+  log_success "found"
+}
+
+#
+#
+#
+check_gsoap()
+{
+  test_header "GSOAP compiler"
+  if [ -z "$GSOAP" ]; then
+    GSOAP="/usr/bin"
+  fi
+  if which_wrapper "$GSOAP/soapcpp2" > /dev/null; then
+    if which_wrapper "$GSOAP/wsdl2h" > /dev/null; then
+      cnf_append "VBOX_GSOAP_INSTALLED" "1"
+      cnf_append "VBOX_PATH_GSOAP"      "$GSOAP"
+      log_success "found"
+    else
+      log_failure "wsdl2h not found -- disabling webservice"
+      cnf_append "VBOX_WITH_WEBSERVICES" ""
+    fi
+  else
+    log_failure "soapcpp2 not found -- disabling webservice"
+    cnf_append "VBOX_WITH_WEBSERVICES" ""
+  fi
+}
+
+
+#
+# Determines the Darwin version.
+# @todo This should really check the Xcode/SDK version.
+#
+check_darwinversion()
+{
+  test_header "Darwin version"
+  darwin_ver=`uname -r`
+  case "$darwin_ver" in
+    9\.*)
+      darwin_ver="10.5"
+      #cnf_append "VBOX_TARGET_MAC_OS_X_VERSION_10_5" "1"
+      ;;
+    8\.*)
+      darwin_ver="10.4"
+      ;;
+    *)
+      echo "  failed to determin darwin version. (uname -r: $darwin_ver)"
+      fail
+      darwin_ver="unknown"
+      ;;
+  esac
+  log_success "found version $darwin_ver"
+}
+
+
+#
+# Checks that i386-elf-gcc-3.4.6, i386-elf-gcc-3.4.3, i386-elf-gcc-3.4 or i386-elf-gcc
+# is around to prevent confusion when the build fails in src/recompiler.
+# Note. Keep the which order in sync with the $(which ) in src/recompiler/Makefile.kmk.
+#
+check_i386elfgcc()
+{
+  test_header "i386-elf-gcc"
+  i386_elf_gcc=`which_wrapper i386-elf-gcc-3.4.6`
+  test -z "$i386_elf_gcc" && i386_elf_gcc=`which_wrapper i386-elf-gcc-3.4.3`
+  test -z "$i386_elf_gcc" && i386_elf_gcc=`which_wrapper i386-elf-gcc-3.4`
+  test -z "$i386_elf_gcc" && i386_elf_gcc=`which_wrapper i386-elf-gcc`
+  if test -z "$i386_elf_gcc"; then
+    echo "  failed to find i386-elf-gcc"
+    fail
+  fi
+  log_success "found $i386_elf_gcc"
+}
+
+
+#
+# Show help
+#
+show_help()
+{
+  cat << EOF
+Usage: ./configure [OPTIONS]...
+
+Configuration:
+  -h, --help               display this help and exit
+  --nofatal                don't abort on errors
+  --disable-xpcom          disable XPCOM and related stuff
+  --disable-python         disable python bindings
+  --disable-sdl-ttf        disable SDL_ttf detection
+  --disable-alsa           disable the ALSA sound backend
+  --disable-pulse          disable the PulseAudio backend
+  --disable-dbus           don't use DBus and hal for hardware detection
+  --disable-kmods          don't build Linux kernel modules (host and guest)
+  --disable-hardening      don't be strict about /dev/vboxdrv access
+  --enable-webservice      enable the webservice stuff
+  --build-libxml2          build libxml2 from sources
+  --build-libxslt          build libxslt from sources
+  --setup-wine             setup a Wine directory and register the hhc hack
+
+Paths:
+  --with-gcc=PATH          location of the gcc compiler [$CC]
+  --with-g++=PATH          location of the g++ compiler [$CXX]
+  --with-kbuild=DIR        kbuild directory [$KBUILDDIR]
+  --with-iasl=PATH         location of the iasl compiler [$IASL]
+  --with-linux=DIR         Linux kernel source directory [$LINUX]
+  --with-mkisofs=PATH      location of mkisofs [$MKISOFS]
+  --with-qt-dir=DIR        directory for Qt3 headers/libraries [$QT3DIR]
+  --with-qt4-dir=DIR       directory for Qt4 headers/libraries [pkgconfig]
+  --with-gsoap-dir=PATH    directory for SOAP compiler (soapcpp2 and wsdl2h)
+
+Build type:
+  -d, --build-debug        build with debugging symbols and assertions
+  --build-profile          build with profiling support
+  --build-headless         build headless (without any X11 frontend)
+EOF
+  exit 0
+}
+
+
+#
+# The body.
+#
+
+# scan command line options
+for option in $*; do
+  case "$option" in
+    --help|-help|-h)
+      show_help
+      ;;
+    --nofatal)
+      nofatal=1
+      ;;
+    --env-only)
+      ENV_ONLY=1
+      ;;
+    --with-gcc=*)
+      CC=`echo $option | cut -d'=' -f2`
+      ;;
+    --with-g++=*)
+      CXX=`echo $option | cut -d'=' -f2`
+      ;;
+    --with-kbuild=*)
+      KBUILDDIR=`echo $option | cut -d'=' -f2`
+      if echo $KBUILDDIR|grep -q "$INVALID_CHARS"; then
+        echo "Error: KBUILDDIR contains invalid characters!"
+        exit 1
+      fi
+      ;;
+    --with-qt-dir=*)
+      QT3DIR=`echo $option | cut -d'=' -f2`
+      ;;
+    --with-qt4-dir=*)
+      QT4DIR=`echo $option | cut -d'=' -f2`
+      QT4DIR_PKGCONFIG=0
+      ;;
+    --with-gsoap-dir=*)
+      GSOAP=`echo $option | cut -d'=' -f2`
+      ;;
+    --with-iasl=*)
+      IASL=`echo $option | cut -d'=' -f2`
+      ;;
+    --with-linux=*)
+      LINUX=`echo $option | cut -d'=' -f2`
+      ;;
+    --with-mkisofs=*)
+      MKISOFS=`echo $option | cut -d'=' -f2`
+      ;;
+    --disable-xpcom)
+      WITH_XPCOM=0
+      ;;
+    --disable-python)
+      WITH_PYTHON=0
+      ;;
+    --disable-sdl-ttf)
+      WITH_SDL_TTF=0
+      ;;
+    --disable-qt)
+      WITH_QT3=0
+      WITH_QT4=0
+      ;;
+    --disable-qt3)
+      WITH_QT3=0
+      ;;
+    --disable-qt4)
+      WITH_QT4=0
+      ;;
+    --disable-alsa)
+      WITH_ALSA=0
+      ;;
+    --disable-pulse)
+      WITH_PULSE=0
+      ;;
+    --disable-dbus)
+      WITH_DBUS=0
+      ;;
+    --disable-kmods)
+      WITH_KMODS=0
+      ;;
+    --disable-hardening)
+      WITH_HARDENING=0
+      ;;
+    --enable-hardening)
+      WITH_HARDENING=2
+      ;;
+    --enable-webservice)
+      WITH_GSOAP=1
+      ;;
+    --build-debug|-d)
+      BUILD_TYPE=debug
+      ;;
+    --build-profile)
+      BUILD_TYPE=profile
+      ;;
+    --build-libxml2)
+      BUILD_LIBXML2=1
+      ;;
+    --build-libxslt)
+      BUILD_LIBXSLT=1
+      ;;
+    --build-headless)
+      HEADLESS=1
+      WITH_SDL=0
+      WITH_SDL_TTF=0
+      WITH_X11=0
+      WITH_QT3=0
+      WITH_QT4=0
+      ;;
+    --ose)
+      OSE=2
+      ;;
+    --odir=*)
+      ODIR="`echo $option | cut -d'=' -f2`/"
+      ;;
+    --setup-wine)
+      SETUP_WINE=1
+      ;;
+    *)
+      echo
+      echo "Unrecognized option \"$option\""
+      echo
+      show_help
+      ;;
+  esac
+done
+
+LOG="$ODIR$LOG"
+ENV="$ODIR$ENV"
+CNF="$ODIR$CNF"
+
+# initialize output files
+cat > $LOG << EOF
+# Log file generated by
+#
+#   '$0 $*'
+#
+
+EOF
+cat > $CNF << EOF
+# -*- Makefile -*-
+#
+# automatically generated by
+#
+#   '$0 $*'
+#
+# It will be completely overwritten if configure is executed again.
+#
+
+EOF
+cat > $ENV << EOF
+#!/bin/bash
+#
+# automatically generated by
+#
+#   '$0 $*'
+#
+# It will be completely overwritten if configure is executed again.
+# Make sure you source this file once before you start to build VBox.
+#
+
+EOF
+
+# test if we are OSE
+if [ $OSE -eq 1 -a -d "`cd \`dirname $0\`; pwd`/src/VBox/Devices/USB" ]; then
+  echo "Found USB devices, assuming VBOX_OSE = FALSE" >> $LOG
+  echo >> $LOG
+  OSE=0
+fi
+
+if [ "$BUILD_TYPE" = "debug" ]; then
+  echo "Creating DEBUG build!" >> $LOG
+elif [ "$BUILD_TYPE" = "profile" ]; then
+  echo "Creating PROFILE build!" >> $LOG
+fi
+
+# first determine our environment
+check_environment
+check_kbuild
+
+[ -n "$ENV_ONLY" ] && exit 0
+
+# append the tools directory to the default search path
+echo "$PATH" | grep -q "$DEVDIR_BIN" || PATH="$PATH:$DEVDIR_BIN"
+export PATH
+
+# some things are not available in for OSE
+if [ $OSE -ge 1 ]; then
+  cnf_append "VBOX_OSE" "1"
+  cnf_append "VBOX_WITH_TESTSUITE" ""
+  cnf_append "VBOX_WITH_WIN32_ADDITIONS" ""
+
+  if [ "$OS" = "linux" ]; then
+    cnf_append "VBOX_WITH_LINUX_ADDITIONS" "1"
+  else
+    cnf_append "VBOX_WITH_LINUX_ADDITIONS" ""
+  fi
+  echo >> $CNF
+fi
+
+# headless
+if [ -n "$HEADLESS" ]; then
+  cnf_append "VBOX_HEADLESS" "1"
+fi
+
+if [ "$OS" = "darwin" ]; then
+  # On Darwin we want to build against Qt4 only. WITH_QT4 is enabled by
+  # default so disable Qt3. --disable-qt disables both Qt3 and Qt4 GUI now,
+  # --disable-qt4 disables only the Qt4 GUI (which is not appropriate for
+  # Darwin as we disable the Qt3 here anyway.
+  # (Qt3 builds for Intel Macs are usually not threaded or for X11. And they
+  #  don't contain our patches, which means the result isn't really usable.)
+  WITH_QT3=0
+  BUILD_LIBXSLT=1
+  BUILD_LIBXML2=1
+fi
+
+if [ "$OS" = "freebsd" ]; then
+  # Qt3 will be gone before the FreeBSD port is completed, so just drop it.
+  WITH_QT3=0
+fi
+
+# emit disable directives corresponding to any --disable-xxx options.
+[ $WITH_XPCOM -eq 0 ]   && cnf_append "VBOX_WITH_MAIN" ""
+[ $WITH_QT3 -eq 0   ]   && cnf_append "VBOX_WITH_QTGUI" ""
+[ $WITH_QT4 -eq 0   ]   && cnf_append "VBOX_WITH_QT4GUI" ""
+[ $WITH_SDL_TTF -eq 0 ] && cnf_append "VBOX_WITH_SECURELABEL" ""
+[ $WITH_HARDENING -eq 0 ] && cnf_append "VBOX_WITHOUT_HARDENING" "1"
+[ $WITH_HARDENING -eq 2 ] && cnf_append "VBOX_WITH_HARDENING" "2"
+
+# the tools
+check_gcc
+[ "$OS" != "darwin"  ] && check_as86
+[ "$OS" != "darwin"  ] && check_bcc
+[ "$OS" != "darwin"  ] && check_iasl
+# don't check for yasm for the time beeing as 0.40 and 0.50 both have known bugs
+# [ "$OS" != "darwin" ] && check_yasm
+[ "$OS" != "darwin"  ] && check_xsltproc
+[ $OSE -eq 0 -a "$OS" != "darwin" ] && check_mkisofs
+
+# the libraries
+[ "$OS" != "darwin"  ] && check_pthread
+[ $WITH_XPCOM  -eq 1 ] && check_libxml2
+[ $WITH_XPCOM  -eq 1 ] && check_libxslt
+[ $WITH_LIBIDL -eq 1 ] && check_libidl
+# build openssl on Darwin in every case
+[ "$OS" != "darwin" -a $OSE -eq 0 ] && check_ssl
+[ "$OS" != "darwin"  ] && check_z
+[ "$OS" != "darwin" -a "$OS" != "freebsd" ] && check_png
+[ $OSE -eq 0 -a "$OS" = "linux" ] && check_pam
+[ $WITH_SDL -eq 1 ]    && check_sdl
+[ $WITH_SDL_TTF -eq 1 -a $OSE -eq 0 ] && check_sdl_ttf
+[ $WITH_X11    -eq 1 ] && check_x
+# TODO check for Xmu (X11/Xmu/StdCmap.h)
+# TODO check for mesa-common-dev (GL/glx.h)
+# TODO check for libglu1-mesa-dev (GL/glu.h)
+[ $WITH_X11    -eq 1 ] && check_xcursor
+[ $WITH_QT3    -eq 1 ] && check_qt3
+[ $WITH_QT4    -eq 1 ] && check_qt4
+[ $WITH_PYTHON -eq 1 -a "$OS" != "darwin" ] && check_python
+
+# Linux-specific
+if [ "$OS" = "linux" ]; then
+  check_staticlibstdcxx
+  if [ $WITH_KMODS -eq 1 ]; then
+    check_linux
+  else
+    cnf_append "VBOX_LINUX_SRC" ""
+    cnf_append "VBOX_WITH_VBOXDRV" ""
+    cnf_append "VBOX_WITH_ADDITION_DRIVERS" ""
+  fi
+  if [ $WITH_ALSA -eq 1 ]; then
+    check_alsa
+  else
+    cnf_append "VBOX_WITH_ALSA" ""
+  fi
+  if [ $WITH_PULSE -eq 1 ]; then
+    check_pulse
+  else
+    cnf_append "VBOX_WITH_PULSE" ""
+  fi
+  if [ $WITH_DBUS -eq 0 ]; then
+    cnf_append "VBOX_WITH_DBUS" ""
+  fi
+  check_libcap
+  check_compiler_h
+  [ "$BUILD_MACHINE" = "amd64" ] && check_32bit
+fi
+
+[ -n "$SETUP_WINE" ] && setup_wine
+
+if [ $WITH_GSOAP -eq 1 ]; then
+  check_gsoap
+else
+  cnf_append "VBOX_WITH_WEBSERVICES" ""
+fi
+
+# Darwin-specific
+if [ "$OS" = "darwin" ]; then
+  check_darwinversion
+  check_i386elfgcc
+fi
+
+# success!
+echo
+echo "Successfully generated '$CNF' and '$ENV'."
+echo "Source '$ENV' once before you start to build VBox:"
+echo ""
+echo "  source $ENV"
+echo "  kmk"
+echo ""
+if [ "$OS" = "linux" ]; then
+    echo "To compile the kernel module, do:"
+    echo ""
+    echo "  cd ./out/$OS.$TARGET_MACHINE/$BUILD_TYPE/bin/src/vboxdrv"
+    echo "  make"
+    echo ""
+fi
+if [ $WITH_HARDENING -gt 0 ]; then
+    echo ""
+    echo "  +++ WARNING +++ WARNING +++ WARNING +++ WARNING +++ WARNING +++ WARNING +++"
+    echo "  Hardening is enabled which means that the VBox binaries will not run from"
+    echo "  the binary directory. The binaries have to be installed suid root and some"
+    echo "  more prerequisites have to be fulfilled which is normally done by installing"
+    echo "  the final package. For development, the hardening feature can be disabled"
+    echo "  by specifying the --disable-hardening parameter. Please never disable that"
+    echo "  feature for the final distribution!"
+    echo "  +++ WARNING +++ WARNING +++ WARNING +++ WARNING +++ WARNING +++ WARNING +++"
+    echo ""
+else
+    echo ""
+    echo "  +++ WARNING +++ WARNING +++ WARNING +++ WARNING +++ WARNING +++ WARNING +++"
+    echo "  Hardening is disabled. Please do NOT build packages for distribution with"
+    echo "  disabled hardening!"
+    echo "  +++ WARNING +++ WARNING +++ WARNING +++ WARNING +++ WARNING +++ WARNING +++"
+    echo ""
+fi
+echo "Enjoy!"
+cleanup