common/autoconf/toolchain_windows.m4 - edge/openjdk - Git at Google

 #
 # Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
 # under the terms of the GNU General Public License version 2 only, as
 # published by the Free Software Foundation.  Oracle designates this
 # particular file as subject to the "Classpath" exception as provided
 # by Oracle in the LICENSE file that accompanied this code.
 #
 # This code is distributed in the hope that it will be useful, but WITHOUT
 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 # version 2 for more details (a copy is included in the LICENSE file that
 # accompanied this code).
 #
 # You should have received a copy of the GNU General Public License version
 # 2 along with this work; if not, write to the Free Software Foundation,
 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 #
 # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 # or visit www.oracle.com if you need additional information or have any
 # questions.
 #

 AC_DEFUN([TOOLCHAIN_CHECK_POSSIBLE_VISUAL_STUDIO_ROOT],
 [
   if test "x$VS_ENV_CMD" = x; then
     VS100BASE="$1"
     METHOD="$2"
     BASIC_WINDOWS_REWRITE_AS_UNIX_PATH(VS100BASE)
     if test -d "$VS100BASE"; then
       if test -f "$VS100BASE/$VCVARSFILE"; then
         AC_MSG_NOTICE([Found Visual Studio installation at $VS100BASE using $METHOD])
         VS_ENV_CMD="$VS100BASE/$VCVARSFILE"
       else
         AC_MSG_NOTICE([Found Visual Studio installation at $VS100BASE using $METHOD])
         AC_MSG_NOTICE([Warning: $VCVARSFILE is missing, this is probably Visual Studio Express. Ignoring])
       fi
     fi
   fi
 ])

 AC_DEFUN([TOOLCHAIN_CHECK_POSSIBLE_WIN_SDK_ROOT],
 [
   if test "x$VS_ENV_CMD" = x; then
     WIN_SDK_BASE="$1"
     METHOD="$2"
     BASIC_WINDOWS_REWRITE_AS_UNIX_PATH(WIN_SDK_BASE)
     if test -d "$WIN_SDK_BASE"; then
       # There have been cases of partial or broken SDK installations. A missing
       # lib dir is not going to work.
       if test ! -d "$WIN_SDK_BASE/../lib"; then
         AC_MSG_NOTICE([Found Windows SDK installation at $WIN_SDK_BASE using $METHOD])
         AC_MSG_NOTICE([Warning: Installation is broken, lib dir is missing. Ignoring])
       elif test -f "$WIN_SDK_BASE/SetEnv.Cmd"; then
         AC_MSG_NOTICE([Found Windows SDK installation at $WIN_SDK_BASE using $METHOD])
         VS_ENV_CMD="$WIN_SDK_BASE/SetEnv.Cmd"
         if test "x$OPENJDK_TARGET_CPU_BITS" = x32; then
           VS_ENV_ARGS="/x86"
         else
           VS_ENV_ARGS="/x64"
         fi
       else
         AC_MSG_NOTICE([Found Windows SDK installation at $WIN_SDK_BASE using $METHOD])
         AC_MSG_NOTICE([Warning: Installation is broken, SetEnv.Cmd is missing. Ignoring])
       fi
     fi
   fi
 ])

 AC_DEFUN([TOOLCHAIN_FIND_VISUAL_STUDIO_BAT_FILE],
 [
   if test "x$OPENJDK_TARGET_CPU_BITS" = x32; then
     VCVARSFILE="vc/bin/vcvars32.bat"
   else
     VCVARSFILE="vc/bin/amd64/vcvars64.bat"
   fi

   VS_ENV_CMD=""
   VS_ENV_ARGS=""
   if test "x$with_toolsdir" != x; then
     TOOLCHAIN_CHECK_POSSIBLE_VISUAL_STUDIO_ROOT([$with_toolsdir/../..], [--with-tools-dir])
   fi

   if test "x$with_toolsdir" != x && test "x$VS_ENV_CMD" = x; then
     # Having specified an argument which is incorrect will produce an instant failure;
     # we should not go on looking
     AC_MSG_NOTICE([The path given by --with-tools-dir does not contain a valid Visual Studio installation])
     AC_MSG_NOTICE([Please point to the VC/bin directory within the Visual Studio installation])
     AC_MSG_ERROR([Cannot locate a valid Visual Studio installation])
   fi

   if test "x$VS100COMNTOOLS" != x; then
     TOOLCHAIN_CHECK_POSSIBLE_VISUAL_STUDIO_ROOT([$VS100COMNTOOLS/../..], [VS100COMNTOOLS variable])
   fi
   if test "x$PROGRAMFILES" != x; then
     TOOLCHAIN_CHECK_POSSIBLE_VISUAL_STUDIO_ROOT([$PROGRAMFILES/Microsoft Visual Studio 10.0], [well-known name])
   fi
   TOOLCHAIN_CHECK_POSSIBLE_VISUAL_STUDIO_ROOT([C:/Program Files/Microsoft Visual Studio 10.0], [well-known name])
   TOOLCHAIN_CHECK_POSSIBLE_VISUAL_STUDIO_ROOT([C:/Program Files (x86)/Microsoft Visual Studio 10.0], [well-known name])

   if test "x$ProgramW6432" != x; then
     TOOLCHAIN_CHECK_POSSIBLE_WIN_SDK_ROOT([$ProgramW6432/Microsoft SDKs/Windows/v7.1/Bin], [well-known name])
   fi
   if test "x$PROGRAMW6432" != x; then
     TOOLCHAIN_CHECK_POSSIBLE_WIN_SDK_ROOT([$PROGRAMW6432/Microsoft SDKs/Windows/v7.1/Bin], [well-known name])
   fi
   if test "x$PROGRAMFILES" != x; then
     TOOLCHAIN_CHECK_POSSIBLE_WIN_SDK_ROOT([$PROGRAMFILES/Microsoft SDKs/Windows/v7.1/Bin], [well-known name])
   fi
   TOOLCHAIN_CHECK_POSSIBLE_WIN_SDK_ROOT([C:/Program Files/Microsoft SDKs/Windows/v7.1/Bin], [well-known name])
   TOOLCHAIN_CHECK_POSSIBLE_WIN_SDK_ROOT([C:/Program Files (x86)/Microsoft SDKs/Windows/v7.1/Bin], [well-known name])
 ])

 # Check if the VS env variables were setup prior to running configure.
 # If not, then find vcvarsall.bat and run it automatically, and integrate
 # the set env variables into the spec file.
 AC_DEFUN([TOOLCHAIN_SETUP_VISUAL_STUDIO_ENV],
 [
   # Store path to cygwin link.exe to help excluding it when searching for
   # VS linker. This must be done before changing the PATH when looking for VS.
   AC_PATH_PROG(CYGWIN_LINK, link)
   if test "x$CYGWIN_LINK" != x; then
     AC_MSG_CHECKING([if the first found link.exe is actually the Cygwin link tool])
     "$CYGWIN_LINK" --version > /dev/null
     if test $? -eq 0 ; then
       AC_MSG_RESULT([yes])
     else
       AC_MSG_RESULT([no])
       # This might be the VS linker. Don't exclude it later on.
       CYGWIN_LINK=""
     fi
   fi

   # First-hand choice is to locate and run the vsvars bat file.
   TOOLCHAIN_FIND_VISUAL_STUDIO_BAT_FILE
   if test "x$VS_ENV_CMD" != x; then
     # We have found a Visual Studio environment on disk, let's extract variables from the vsvars bat file.
     BASIC_FIXUP_EXECUTABLE(VS_ENV_CMD)

     # Lets extract the variables that are set by vcvarsall.bat/vsvars32.bat/vsvars64.bat
     AC_MSG_NOTICE([Trying to extract Visual Studio environment variables])
     cd $OUTPUT_ROOT
     # FIXME: The code betweeen ---- was inlined from a separate script and is not properly adapted
     # to autoconf standards.

     #----

     # Cannot use the VS10 setup script directly (since it only updates the DOS subshell environment)
     # but calculate the difference in Cygwin environment before/after running it and then
     # apply the diff.

     if test "x$OPENJDK_BUILD_OS_ENV" = xwindows.cygwin; then
       _vs10varsall=`cygpath -a -m -s "$VS_ENV_CMD"`
       _dosvs10varsall=`cygpath -a -w -s $_vs10varsall`
       _dosbash=`cygpath -a -w -s \`which bash\`.*`
     else
       _dosvs10varsall=`cmd //c echo $VS_ENV_CMD`
       _dosbash=`cmd //c echo \`which bash\``
     fi

     # generate the set of exported vars before/after the vs10 setup
     $ECHO "@echo off"                                           >  localdevenvtmp.bat
     $ECHO "$_dosbash -c \"export -p\" > localdevenvtmp.export0" >> localdevenvtmp.bat
     $ECHO "call $_dosvs10varsall $VS_ENV_ARGS"                  >> localdevenvtmp.bat
     $ECHO "$_dosbash -c \"export -p\" > localdevenvtmp.export1" >> localdevenvtmp.bat

     # Now execute the newly created bat file.
     # The | cat is to stop SetEnv.Cmd to mess with system colors on msys
     cmd /c localdevenvtmp.bat | cat

     # apply the diff (less some non-vs10 vars named by "!")
     $SORT localdevenvtmp.export0 | $GREP -v "!" > localdevenvtmp.export0.sort
     $SORT localdevenvtmp.export1 | $GREP -v "!" > localdevenvtmp.export1.sort
     $COMM -1 -3 localdevenvtmp.export0.sort localdevenvtmp.export1.sort > localdevenv.sh

     # cleanup
     $RM localdevenvtmp*
     #----
     cd $CURDIR
     if test ! -s $OUTPUT_ROOT/localdevenv.sh; then
       AC_MSG_RESULT([no])
       AC_MSG_NOTICE([Could not succesfully extract the envionment variables needed for the VS setup.])
       AC_MSG_NOTICE([Try setting --with-tools-dir to the VC/bin directory within the VS installation])
       AC_MSG_NOTICE([or run "bash.exe -l" from a VS command prompt and then run configure from there.])
       AC_MSG_ERROR([Cannot continue])
     fi

     # Now set all paths and other env variables. This will allow the rest of
     # the configure script to find and run the compiler in the proper way.
     AC_MSG_NOTICE([Setting extracted environment variables])
     . $OUTPUT_ROOT/localdevenv.sh
   else
     # We did not find a vsvars bat file, let's hope we are run from a VS command prompt.
     AC_MSG_NOTICE([Cannot locate a valid Visual Studio installation, checking current environment])
   fi

   # At this point, we should have corrent variables in the environment, or we can't continue.
   AC_MSG_CHECKING([for Visual Studio variables])

   if test "x$VCINSTALLDIR" != x || test "x$WindowsSDKDir" != x || test "x$WINDOWSSDKDIR" != x; then
     if test "x$INCLUDE" = x || test "x$LIB" = x; then
       AC_MSG_RESULT([present but broken])
       AC_MSG_ERROR([Your VC command prompt seems broken, INCLUDE and/or LIB is missing.])
     else
       AC_MSG_RESULT([ok])
       # Remove any trailing \ from INCLUDE and LIB to avoid trouble in spec.gmk.
       VS_INCLUDE=`$ECHO "$INCLUDE" | $SED 's/\\\\$//'`
       VS_LIB=`$ECHO "$LIB" | $SED 's/\\\\$//'`
       # Remove any paths containing # (typically F#) as that messes up make
       PATH=`$ECHO "$PATH" | $SED 's/[[^:#]]*#[^:]*://g'`
       VS_PATH="$PATH"
       AC_SUBST(VS_INCLUDE)
       AC_SUBST(VS_LIB)
       AC_SUBST(VS_PATH)
     fi
   else
     AC_MSG_RESULT([not found])

     if test "x$VS_ENV_CMD" = x; then
       AC_MSG_NOTICE([Cannot locate a valid Visual Studio or Windows SDK installation on disk,])
       AC_MSG_NOTICE([nor is this script run from a Visual Studio command prompt.])
     else
       AC_MSG_NOTICE([Running the extraction script failed.])
     fi
     AC_MSG_NOTICE([Try setting --with-tools-dir to the VC/bin directory within the VS installation])
     AC_MSG_NOTICE([or run "bash.exe -l" from a VS command prompt and then run configure from there.])
     AC_MSG_ERROR([Cannot continue])
   fi
 ])

 AC_DEFUN([TOOLCHAIN_CHECK_POSSIBLE_MSVCR_DLL],
 [
   POSSIBLE_MSVCR_DLL="$1"
   METHOD="$2"
   if test -e "$POSSIBLE_MSVCR_DLL"; then
     AC_MSG_NOTICE([Found msvcr100.dll at $POSSIBLE_MSVCR_DLL using $METHOD])

     # Need to check if the found msvcr is correct architecture
     AC_MSG_CHECKING([found msvcr100.dll architecture])
     MSVCR_DLL_FILETYPE=`$FILE -b "$POSSIBLE_MSVCR_DLL"`
     if test "x$OPENJDK_TARGET_CPU_BITS" = x32; then
       CORRECT_MSVCR_ARCH=386
     else
       CORRECT_MSVCR_ARCH=x86-64
     fi
     if $ECHO "$MSVCR_DLL_FILETYPE" | $GREP $CORRECT_MSVCR_ARCH 2>&1 > /dev/null; then
       AC_MSG_RESULT([ok])
       MSVCR_DLL="$POSSIBLE_MSVCR_DLL"
       AC_MSG_CHECKING([for msvcr100.dll])
       AC_MSG_RESULT([$MSVCR_DLL])
     else
       AC_MSG_RESULT([incorrect, ignoring])
       AC_MSG_NOTICE([The file type of the located msvcr100.dll is $MSVCR_DLL_FILETYPE])
     fi
   fi
 ])

 AC_DEFUN([TOOLCHAIN_SETUP_MSVCR_DLL],
 [
   AC_ARG_WITH(msvcr-dll, [AS_HELP_STRING([--with-msvcr-dll],
       [copy this msvcr100.dll into the built JDK (Windows only) @<:@probed@:>@])])

   if test "x$with_msvcr_dll" != x; then
     # If given explicitely by user, do not probe. If not present, fail directly.
     TOOLCHAIN_CHECK_POSSIBLE_MSVCR_DLL([$with_msvcr_dll], [--with-msvcr-dll])
     if test "x$MSVCR_DLL" = x; then
       AC_MSG_ERROR([Could not find a proper msvcr100.dll as specified by --with-msvcr-dll])
     fi
   fi

   if test "x$MSVCR_DLL" = x; then
     # Probe: Using well-known location from Visual Studio 10.0
     if test "x$VCINSTALLDIR" != x; then
       CYGWIN_VC_INSTALL_DIR="$VCINSTALLDIR"
       BASIC_WINDOWS_REWRITE_AS_UNIX_PATH(CYGWIN_VC_INSTALL_DIR)
       if test "x$OPENJDK_TARGET_CPU_BITS" = x64; then
         POSSIBLE_MSVCR_DLL="$CYGWIN_VC_INSTALL_DIR/redist/x64/Microsoft.VC100.CRT/msvcr100.dll"
       else
         POSSIBLE_MSVCR_DLL="$CYGWIN_VC_INSTALL_DIR/redist/x86/Microsoft.VC100.CRT/msvcr100.dll"
       fi
       TOOLCHAIN_CHECK_POSSIBLE_MSVCR_DLL([$POSSIBLE_MSVCR_DLL], [well-known location in VCINSTALLDIR])
     fi
   fi

   if test "x$MSVCR_DLL" = x; then
     # Probe: Check in the Boot JDK directory.
     POSSIBLE_MSVCR_DLL="$BOOT_JDK/bin/msvcr100.dll"
     TOOLCHAIN_CHECK_POSSIBLE_MSVCR_DLL([$POSSIBLE_MSVCR_DLL], [well-known location in Boot JDK])
   fi

   if test "x$MSVCR_DLL" = x; then
     # Probe: Look in the Windows system32 directory
     CYGWIN_SYSTEMROOT="$SYSTEMROOT"
     BASIC_WINDOWS_REWRITE_AS_UNIX_PATH(CYGWIN_SYSTEMROOT)
     POSSIBLE_MSVCR_DLL="$CYGWIN_SYSTEMROOT/system32/msvcr100.dll"
     TOOLCHAIN_CHECK_POSSIBLE_MSVCR_DLL([$POSSIBLE_MSVCR_DLL], [well-known location in SYSTEMROOT])
   fi

   if test "x$MSVCR_DLL" = x; then
     # Probe: If Visual Studio Express is installed, there is usually one with the debugger
     if test "x$VS100COMNTOOLS" != x; then
       CYGWIN_VS_TOOLS_DIR="$VS100COMNTOOLS/.."
       BASIC_WINDOWS_REWRITE_AS_UNIX_PATH(CYGWIN_VS_TOOLS_DIR)
       if test "x$OPENJDK_TARGET_CPU_BITS" = x64; then
         POSSIBLE_MSVCR_DLL=`$FIND "$CYGWIN_VS_TOOLS_DIR" -name msvcr100.dll | $GREP -i /x64/ | $HEAD --lines 1`
       else
         POSSIBLE_MSVCR_DLL=`$FIND "$CYGWIN_VS_TOOLS_DIR" -name msvcr100.dll | $GREP -i /x86/ | $HEAD --lines 1`
       fi
       TOOLCHAIN_CHECK_POSSIBLE_MSVCR_DLL([$POSSIBLE_MSVCR_DLL], [search of VS100COMNTOOLS])
     fi
   fi

   if test "x$MSVCR_DLL" = x; then
     # Probe: Search wildly in the VCINSTALLDIR. We've probably lost by now.
     # (This was the original behaviour; kept since it might turn up something)
     if test "x$CYGWIN_VC_INSTALL_DIR" != x; then
       if test "x$OPENJDK_TARGET_CPU_BITS" = x64; then
         POSSIBLE_MSVCR_DLL=`$FIND "$CYGWIN_VC_INSTALL_DIR" -name msvcr100.dll | $GREP x64 | $HEAD --lines 1`
       else
         POSSIBLE_MSVCR_DLL=`$FIND "$CYGWIN_VC_INSTALL_DIR" -name msvcr100.dll | $GREP x86 | $GREP -v ia64 | $GREP -v x64 | $HEAD --lines 1`
         if test "x$POSSIBLE_MSVCR_DLL" = x; then
           # We're grasping at straws now...
           POSSIBLE_MSVCR_DLL=`$FIND "$CYGWIN_VC_INSTALL_DIR" -name msvcr100.dll | $HEAD --lines 1`
         fi
       fi

       TOOLCHAIN_CHECK_POSSIBLE_MSVCR_DLL([$POSSIBLE_MSVCR_DLL], [search of VCINSTALLDIR])
     fi
   fi

   if test "x$MSVCR_DLL" = x; then
     AC_MSG_CHECKING([for msvcr100.dll])
     AC_MSG_RESULT([no])
     AC_MSG_ERROR([Could not find msvcr100.dll. Please specify using --with-msvcr-dll.])
   fi

   BASIC_FIXUP_PATH(MSVCR_DLL)
 ])
	#
	# Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
	# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
	#
	# This code is free software; you can redistribute it and/or modify it
	# under the terms of the GNU General Public License version 2 only, as
	# published by the Free Software Foundation. Oracle designates this
	# particular file as subject to the "Classpath" exception as provided
	# by Oracle in the LICENSE file that accompanied this code.
	#
	# This code is distributed in the hope that it will be useful, but WITHOUT
	# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
	# version 2 for more details (a copy is included in the LICENSE file that
	# accompanied this code).
	#
	# You should have received a copy of the GNU General Public License version
	# 2 along with this work; if not, write to the Free Software Foundation,
	# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
	#
	# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
	# or visit www.oracle.com if you need additional information or have any
	# questions.
	#

	AC_DEFUN([TOOLCHAIN_CHECK_POSSIBLE_VISUAL_STUDIO_ROOT],
	[
	if test "x$VS_ENV_CMD" = x; then
	VS100BASE="$1"
	METHOD="$2"
	BASIC_WINDOWS_REWRITE_AS_UNIX_PATH(VS100BASE)
	if test -d "$VS100BASE"; then
	if test -f "$VS100BASE/$VCVARSFILE"; then
	AC_MSG_NOTICE([Found Visual Studio installation at $VS100BASE using $METHOD])
	VS_ENV_CMD="$VS100BASE/$VCVARSFILE"
	else
	AC_MSG_NOTICE([Found Visual Studio installation at $VS100BASE using $METHOD])
	AC_MSG_NOTICE([Warning: $VCVARSFILE is missing, this is probably Visual Studio Express. Ignoring])
	fi
	fi
	fi
	])

	AC_DEFUN([TOOLCHAIN_CHECK_POSSIBLE_WIN_SDK_ROOT],
	[
	if test "x$VS_ENV_CMD" = x; then
	WIN_SDK_BASE="$1"
	METHOD="$2"
	BASIC_WINDOWS_REWRITE_AS_UNIX_PATH(WIN_SDK_BASE)
	if test -d "$WIN_SDK_BASE"; then
	# There have been cases of partial or broken SDK installations. A missing
	# lib dir is not going to work.
	if test ! -d "$WIN_SDK_BASE/../lib"; then
	AC_MSG_NOTICE([Found Windows SDK installation at $WIN_SDK_BASE using $METHOD])
	AC_MSG_NOTICE([Warning: Installation is broken, lib dir is missing. Ignoring])
	elif test -f "$WIN_SDK_BASE/SetEnv.Cmd"; then
	AC_MSG_NOTICE([Found Windows SDK installation at $WIN_SDK_BASE using $METHOD])
	VS_ENV_CMD="$WIN_SDK_BASE/SetEnv.Cmd"
	if test "x$OPENJDK_TARGET_CPU_BITS" = x32; then
	VS_ENV_ARGS="/x86"
	else
	VS_ENV_ARGS="/x64"
	fi
	else
	AC_MSG_NOTICE([Found Windows SDK installation at $WIN_SDK_BASE using $METHOD])
	AC_MSG_NOTICE([Warning: Installation is broken, SetEnv.Cmd is missing. Ignoring])
	fi
	fi
	fi
	])

	AC_DEFUN([TOOLCHAIN_FIND_VISUAL_STUDIO_BAT_FILE],
	[
	if test "x$OPENJDK_TARGET_CPU_BITS" = x32; then
	VCVARSFILE="vc/bin/vcvars32.bat"
	else
	VCVARSFILE="vc/bin/amd64/vcvars64.bat"
	fi

	VS_ENV_CMD=""
	VS_ENV_ARGS=""
	if test "x$with_toolsdir" != x; then
	TOOLCHAIN_CHECK_POSSIBLE_VISUAL_STUDIO_ROOT([$with_toolsdir/../..], [--with-tools-dir])
	fi

	if test "x$with_toolsdir" != x && test "x$VS_ENV_CMD" = x; then
	# Having specified an argument which is incorrect will produce an instant failure;
	# we should not go on looking
	AC_MSG_NOTICE([The path given by --with-tools-dir does not contain a valid Visual Studio installation])
	AC_MSG_NOTICE([Please point to the VC/bin directory within the Visual Studio installation])
	AC_MSG_ERROR([Cannot locate a valid Visual Studio installation])
	fi

	if test "x$VS100COMNTOOLS" != x; then
	TOOLCHAIN_CHECK_POSSIBLE_VISUAL_STUDIO_ROOT([$VS100COMNTOOLS/../..], [VS100COMNTOOLS variable])
	fi
	if test "x$PROGRAMFILES" != x; then
	TOOLCHAIN_CHECK_POSSIBLE_VISUAL_STUDIO_ROOT([$PROGRAMFILES/Microsoft Visual Studio 10.0], [well-known name])
	fi
	TOOLCHAIN_CHECK_POSSIBLE_VISUAL_STUDIO_ROOT([C:/Program Files/Microsoft Visual Studio 10.0], [well-known name])
	TOOLCHAIN_CHECK_POSSIBLE_VISUAL_STUDIO_ROOT([C:/Program Files (x86)/Microsoft Visual Studio 10.0], [well-known name])

	if test "x$ProgramW6432" != x; then
	TOOLCHAIN_CHECK_POSSIBLE_WIN_SDK_ROOT([$ProgramW6432/Microsoft SDKs/Windows/v7.1/Bin], [well-known name])
	fi
	if test "x$PROGRAMW6432" != x; then
	TOOLCHAIN_CHECK_POSSIBLE_WIN_SDK_ROOT([$PROGRAMW6432/Microsoft SDKs/Windows/v7.1/Bin], [well-known name])
	fi
	if test "x$PROGRAMFILES" != x; then
	TOOLCHAIN_CHECK_POSSIBLE_WIN_SDK_ROOT([$PROGRAMFILES/Microsoft SDKs/Windows/v7.1/Bin], [well-known name])
	fi
	TOOLCHAIN_CHECK_POSSIBLE_WIN_SDK_ROOT([C:/Program Files/Microsoft SDKs/Windows/v7.1/Bin], [well-known name])
	TOOLCHAIN_CHECK_POSSIBLE_WIN_SDK_ROOT([C:/Program Files (x86)/Microsoft SDKs/Windows/v7.1/Bin], [well-known name])
	])

	# Check if the VS env variables were setup prior to running configure.
	# If not, then find vcvarsall.bat and run it automatically, and integrate
	# the set env variables into the spec file.
	AC_DEFUN([TOOLCHAIN_SETUP_VISUAL_STUDIO_ENV],
	[
	# Store path to cygwin link.exe to help excluding it when searching for
	# VS linker. This must be done before changing the PATH when looking for VS.
	AC_PATH_PROG(CYGWIN_LINK, link)
	if test "x$CYGWIN_LINK" != x; then
	AC_MSG_CHECKING([if the first found link.exe is actually the Cygwin link tool])
	"$CYGWIN_LINK" --version > /dev/null
	if test $? -eq 0 ; then
	AC_MSG_RESULT([yes])
	else
	AC_MSG_RESULT([no])
	# This might be the VS linker. Don't exclude it later on.
	CYGWIN_LINK=""
	fi
	fi

	# First-hand choice is to locate and run the vsvars bat file.
	TOOLCHAIN_FIND_VISUAL_STUDIO_BAT_FILE
	if test "x$VS_ENV_CMD" != x; then
	# We have found a Visual Studio environment on disk, let's extract variables from the vsvars bat file.
	BASIC_FIXUP_EXECUTABLE(VS_ENV_CMD)

	# Lets extract the variables that are set by vcvarsall.bat/vsvars32.bat/vsvars64.bat
	AC_MSG_NOTICE([Trying to extract Visual Studio environment variables])
	cd $OUTPUT_ROOT
	# FIXME: The code betweeen ---- was inlined from a separate script and is not properly adapted
	# to autoconf standards.

	#----

	# Cannot use the VS10 setup script directly (since it only updates the DOS subshell environment)
	# but calculate the difference in Cygwin environment before/after running it and then
	# apply the diff.

	if test "x$OPENJDK_BUILD_OS_ENV" = xwindows.cygwin; then
	_vs10varsall=`cygpath -a -m -s "$VS_ENV_CMD"`
	_dosvs10varsall=`cygpath -a -w -s $_vs10varsall`
	_dosbash=`cygpath -a -w -s \`which bash\`.*`
	else
	_dosvs10varsall=`cmd //c echo $VS_ENV_CMD`
	_dosbash=`cmd //c echo \`which bash\``
	fi

	# generate the set of exported vars before/after the vs10 setup
	$ECHO "@echo off" > localdevenvtmp.bat
	$ECHO "$_dosbash -c \"export -p\" > localdevenvtmp.export0" >> localdevenvtmp.bat
	$ECHO "call $_dosvs10varsall $VS_ENV_ARGS" >> localdevenvtmp.bat
	$ECHO "$_dosbash -c \"export -p\" > localdevenvtmp.export1" >> localdevenvtmp.bat

	# Now execute the newly created bat file.
	# The \| cat is to stop SetEnv.Cmd to mess with system colors on msys
	cmd /c localdevenvtmp.bat \| cat

	# apply the diff (less some non-vs10 vars named by "!")
	$SORT localdevenvtmp.export0 \| $GREP -v "!" > localdevenvtmp.export0.sort
	$SORT localdevenvtmp.export1 \| $GREP -v "!" > localdevenvtmp.export1.sort
	$COMM -1 -3 localdevenvtmp.export0.sort localdevenvtmp.export1.sort > localdevenv.sh

	# cleanup
	$RM localdevenvtmp*
	#----
	cd $CURDIR
	if test ! -s $OUTPUT_ROOT/localdevenv.sh; then
	AC_MSG_RESULT([no])
	AC_MSG_NOTICE([Could not succesfully extract the envionment variables needed for the VS setup.])
	AC_MSG_NOTICE([Try setting --with-tools-dir to the VC/bin directory within the VS installation])
	AC_MSG_NOTICE([or run "bash.exe -l" from a VS command prompt and then run configure from there.])
	AC_MSG_ERROR([Cannot continue])
	fi

	# Now set all paths and other env variables. This will allow the rest of
	# the configure script to find and run the compiler in the proper way.
	AC_MSG_NOTICE([Setting extracted environment variables])
	. $OUTPUT_ROOT/localdevenv.sh
	else
	# We did not find a vsvars bat file, let's hope we are run from a VS command prompt.
	AC_MSG_NOTICE([Cannot locate a valid Visual Studio installation, checking current environment])
	fi

	# At this point, we should have corrent variables in the environment, or we can't continue.
	AC_MSG_CHECKING([for Visual Studio variables])

	if test "x$VCINSTALLDIR" != x \|\| test "x$WindowsSDKDir" != x \|\| test "x$WINDOWSSDKDIR" != x; then
	if test "x$INCLUDE" = x \|\| test "x$LIB" = x; then
	AC_MSG_RESULT([present but broken])
	AC_MSG_ERROR([Your VC command prompt seems broken, INCLUDE and/or LIB is missing.])
	else
	AC_MSG_RESULT([ok])
	# Remove any trailing \ from INCLUDE and LIB to avoid trouble in spec.gmk.
	VS_INCLUDE=`$ECHO "$INCLUDE" \| $SED 's/\\\\$//'`
	VS_LIB=`$ECHO "$LIB" \| $SED 's/\\\\$//'`
	# Remove any paths containing # (typically F#) as that messes up make
	PATH=`$ECHO "$PATH" \| $SED 's/[[^:#]]#[^:]://g'`
	VS_PATH="$PATH"
	AC_SUBST(VS_INCLUDE)
	AC_SUBST(VS_LIB)
	AC_SUBST(VS_PATH)
	fi
	else
	AC_MSG_RESULT([not found])

	if test "x$VS_ENV_CMD" = x; then
	AC_MSG_NOTICE([Cannot locate a valid Visual Studio or Windows SDK installation on disk,])
	AC_MSG_NOTICE([nor is this script run from a Visual Studio command prompt.])
	else
	AC_MSG_NOTICE([Running the extraction script failed.])
	fi
	AC_MSG_NOTICE([Try setting --with-tools-dir to the VC/bin directory within the VS installation])
	AC_MSG_NOTICE([or run "bash.exe -l" from a VS command prompt and then run configure from there.])
	AC_MSG_ERROR([Cannot continue])
	fi
	])

	AC_DEFUN([TOOLCHAIN_CHECK_POSSIBLE_MSVCR_DLL],
	[
	POSSIBLE_MSVCR_DLL="$1"
	METHOD="$2"
	if test -e "$POSSIBLE_MSVCR_DLL"; then
	AC_MSG_NOTICE([Found msvcr100.dll at $POSSIBLE_MSVCR_DLL using $METHOD])

	# Need to check if the found msvcr is correct architecture
	AC_MSG_CHECKING([found msvcr100.dll architecture])
	MSVCR_DLL_FILETYPE=`$FILE -b "$POSSIBLE_MSVCR_DLL"`
	if test "x$OPENJDK_TARGET_CPU_BITS" = x32; then
	CORRECT_MSVCR_ARCH=386
	else
	CORRECT_MSVCR_ARCH=x86-64
	fi
	if $ECHO "$MSVCR_DLL_FILETYPE" \| $GREP $CORRECT_MSVCR_ARCH 2>&1 > /dev/null; then
	AC_MSG_RESULT([ok])
	MSVCR_DLL="$POSSIBLE_MSVCR_DLL"
	AC_MSG_CHECKING([for msvcr100.dll])
	AC_MSG_RESULT([$MSVCR_DLL])
	else
	AC_MSG_RESULT([incorrect, ignoring])
	AC_MSG_NOTICE([The file type of the located msvcr100.dll is $MSVCR_DLL_FILETYPE])
	fi
	fi
	])

	AC_DEFUN([TOOLCHAIN_SETUP_MSVCR_DLL],
	[
	AC_ARG_WITH(msvcr-dll, [AS_HELP_STRING([--with-msvcr-dll],
	[copy this msvcr100.dll into the built JDK (Windows only) @<:@probed@:>@])])

	if test "x$with_msvcr_dll" != x; then
	# If given explicitely by user, do not probe. If not present, fail directly.
	TOOLCHAIN_CHECK_POSSIBLE_MSVCR_DLL([$with_msvcr_dll], [--with-msvcr-dll])
	if test "x$MSVCR_DLL" = x; then
	AC_MSG_ERROR([Could not find a proper msvcr100.dll as specified by --with-msvcr-dll])
	fi
	fi

	if test "x$MSVCR_DLL" = x; then
	# Probe: Using well-known location from Visual Studio 10.0
	if test "x$VCINSTALLDIR" != x; then
	CYGWIN_VC_INSTALL_DIR="$VCINSTALLDIR"
	BASIC_WINDOWS_REWRITE_AS_UNIX_PATH(CYGWIN_VC_INSTALL_DIR)
	if test "x$OPENJDK_TARGET_CPU_BITS" = x64; then
	POSSIBLE_MSVCR_DLL="$CYGWIN_VC_INSTALL_DIR/redist/x64/Microsoft.VC100.CRT/msvcr100.dll"
	else
	POSSIBLE_MSVCR_DLL="$CYGWIN_VC_INSTALL_DIR/redist/x86/Microsoft.VC100.CRT/msvcr100.dll"
	fi
	TOOLCHAIN_CHECK_POSSIBLE_MSVCR_DLL([$POSSIBLE_MSVCR_DLL], [well-known location in VCINSTALLDIR])
	fi
	fi

	if test "x$MSVCR_DLL" = x; then
	# Probe: Check in the Boot JDK directory.
	POSSIBLE_MSVCR_DLL="$BOOT_JDK/bin/msvcr100.dll"
	TOOLCHAIN_CHECK_POSSIBLE_MSVCR_DLL([$POSSIBLE_MSVCR_DLL], [well-known location in Boot JDK])
	fi

	if test "x$MSVCR_DLL" = x; then
	# Probe: Look in the Windows system32 directory
	CYGWIN_SYSTEMROOT="$SYSTEMROOT"
	BASIC_WINDOWS_REWRITE_AS_UNIX_PATH(CYGWIN_SYSTEMROOT)
	POSSIBLE_MSVCR_DLL="$CYGWIN_SYSTEMROOT/system32/msvcr100.dll"
	TOOLCHAIN_CHECK_POSSIBLE_MSVCR_DLL([$POSSIBLE_MSVCR_DLL], [well-known location in SYSTEMROOT])
	fi

	if test "x$MSVCR_DLL" = x; then
	# Probe: If Visual Studio Express is installed, there is usually one with the debugger
	if test "x$VS100COMNTOOLS" != x; then
	CYGWIN_VS_TOOLS_DIR="$VS100COMNTOOLS/.."
	BASIC_WINDOWS_REWRITE_AS_UNIX_PATH(CYGWIN_VS_TOOLS_DIR)
	if test "x$OPENJDK_TARGET_CPU_BITS" = x64; then
	POSSIBLE_MSVCR_DLL=`$FIND "$CYGWIN_VS_TOOLS_DIR" -name msvcr100.dll \| $GREP -i /x64/ \| $HEAD --lines 1`
	else
	POSSIBLE_MSVCR_DLL=`$FIND "$CYGWIN_VS_TOOLS_DIR" -name msvcr100.dll \| $GREP -i /x86/ \| $HEAD --lines 1`
	fi
	TOOLCHAIN_CHECK_POSSIBLE_MSVCR_DLL([$POSSIBLE_MSVCR_DLL], [search of VS100COMNTOOLS])
	fi
	fi

	if test "x$MSVCR_DLL" = x; then
	# Probe: Search wildly in the VCINSTALLDIR. We've probably lost by now.
	# (This was the original behaviour; kept since it might turn up something)
	if test "x$CYGWIN_VC_INSTALL_DIR" != x; then
	if test "x$OPENJDK_TARGET_CPU_BITS" = x64; then
	POSSIBLE_MSVCR_DLL=`$FIND "$CYGWIN_VC_INSTALL_DIR" -name msvcr100.dll \| $GREP x64 \| $HEAD --lines 1`
	else
	POSSIBLE_MSVCR_DLL=`$FIND "$CYGWIN_VC_INSTALL_DIR" -name msvcr100.dll \| $GREP x86 \| $GREP -v ia64 \| $GREP -v x64 \| $HEAD --lines 1`
	if test "x$POSSIBLE_MSVCR_DLL" = x; then
	# We're grasping at straws now...
	POSSIBLE_MSVCR_DLL=`$FIND "$CYGWIN_VC_INSTALL_DIR" -name msvcr100.dll \| $HEAD --lines 1`
	fi
	fi

	TOOLCHAIN_CHECK_POSSIBLE_MSVCR_DLL([$POSSIBLE_MSVCR_DLL], [search of VCINSTALLDIR])
	fi
	fi

	if test "x$MSVCR_DLL" = x; then
	AC_MSG_CHECKING([for msvcr100.dll])
	AC_MSG_RESULT([no])
	AC_MSG_ERROR([Could not find msvcr100.dll. Please specify using --with-msvcr-dll.])
	fi

	BASIC_FIXUP_PATH(MSVCR_DLL)
	])