#

# 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.

#

################################################################################

VALID_VS_VERSIONS="2010 2012 2013"

VS_DESCRIPTION_2010="Microsoft Visual Studio 2010"

VS_VERSION_INTERNAL_2010=100

VS_MSVCR_2010=msvcr100.dll

# We don't use msvcp on Visual Studio 2010

#VS_MSVCP_2010=msvcp100.dll

VS_ENVVAR_2010="VS100COMNTOOLS"

VS_VS_INSTALLDIR_2010="Microsoft Visual Studio 10.0"

VS_SDK_INSTALLDIR_2010="Microsoft SDKs/Windows/v7.1"

VS_VS_PLATFORM_NAME_2010="v100"

VS_SDK_PLATFORM_NAME_2010="Windows7.1SDK"

VS_DESCRIPTION_2012="Microsoft Visual Studio 2012"

VS_VERSION_INTERNAL_2012=110

VS_MSVCR_2012=msvcr110.dll

VS_MSVCP_2012=msvcp110.dll

VS_ENVVAR_2012="VS110COMNTOOLS"

VS_VS_INSTALLDIR_2012="Microsoft Visual Studio 11.0"

VS_SDK_INSTALLDIR_2012=

VS_VS_PLATFORM_NAME_2012="v110"

VS_SDK_PLATFORM_NAME_2012=

VS_DESCRIPTION_2013="Microsoft Visual Studio 2013"

VS_VERSION_INTERNAL_2013=120

VS_MSVCR_2013=msvcr120.dll

VS_MSVCP_2013=msvcp120.dll

VS_ENVVAR_2013="VS120COMNTOOLS"

VS_VS_INSTALLDIR_2013="Microsoft Visual Studio 12.0"

VS_SDK_INSTALLDIR_2013=

VS_VS_PLATFORM_NAME_2013="v120"

VS_SDK_PLATFORM_NAME_2013=

################################################################################

AC_DEFUN([TOOLCHAIN_CHECK_POSSIBLE_VISUAL_STUDIO_ROOT],

[

  if test "x$VS_ENV_CMD" = x; then

    VS_VERSION="$1"

    VS_BASE="$2"

    METHOD="$3"

    if test "x$OPENJDK_TARGET_CPU_BITS" = x32; then

      VCVARSFILE="vc/bin/vcvars32.bat"

    else

      VCVARSFILE="vc/bin/amd64/vcvars64.bat"

    fi

    BASIC_WINDOWS_REWRITE_AS_UNIX_PATH(VS_BASE)

    if test -d "$VS_BASE"; then

      if test -f "$VS_BASE/$VCVARSFILE"; then

        AC_MSG_NOTICE([Found Visual Studio installation at $VS_BASE using $METHOD])

        VS_ENV_CMD="$VS_BASE/$VCVARSFILE"

        # PLATFORM_TOOLSET is used during the compilation of the freetype sources (see

        # 'LIB_BUILD_FREETYPE' in libraries.m4) and must be one of 'v100', 'v110' or 'v120' for VS 2010, 2012 or VS2013

        eval PLATFORM_TOOLSET="\${VS_VS_PLATFORM_NAME_${VS_VERSION}}"

      else

        AC_MSG_NOTICE([Found Visual Studio installation at $VS_BASE 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

    VS_VERSION="$1"

    WIN_SDK_BASE="$2"

    METHOD="$3"

    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/Bin/SetEnv.Cmd"; then

        AC_MSG_NOTICE([Found Windows SDK installation at $WIN_SDK_BASE using $METHOD])

        VS_ENV_CMD="$WIN_SDK_BASE/Bin/SetEnv.Cmd"

        if test "x$OPENJDK_TARGET_CPU_BITS" = x32; then

          VS_ENV_ARGS="/x86"

        else

          VS_ENV_ARGS="/x64"

        fi

        # PLATFORM_TOOLSET is used during the compilation of the freetype sources (see

        # 'LIB_BUILD_FREETYPE' in libraries.m4) and must be 'Windows7.1SDK' for Windows7.1SDK

        # TODO: improve detection for other versions of SDK

        eval PLATFORM_TOOLSET="\${VS_SDK_PLATFORM_NAME_${VS_VERSION}}"

      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

])

################################################################################

# Finds the bat or cmd file in Visual Studio or the SDK that sets up a proper

# build environment and assigns it to VS_ENV_CMD

AC_DEFUN([TOOLCHAIN_FIND_VISUAL_STUDIO_BAT_FILE],

[

  VS_VERSION="$1"

  eval VS_COMNTOOLS_VAR="\${VS_ENVVAR_${VS_VERSION}}"

  eval VS_COMNTOOLS="\$${VS_COMNTOOLS_VAR}"

  eval VS_INSTALL_DIR="\${VS_VS_INSTALLDIR_${VS_VERSION}}"

  eval SDK_INSTALL_DIR="\${VS_SDK_INSTALLDIR_${VS_VERSION}}"

  # When using --with-tools-dir, assume it points to the correct and default

  # version of Visual Studio or that --with-toolchain-version was also set.

  if test "x$with_tools_dir" != x; then

    TOOLCHAIN_CHECK_POSSIBLE_VISUAL_STUDIO_ROOT([${VS_VERSION}],

        [$with_tools_dir/../..], [--with-tools-dir])

    TOOLCHAIN_CHECK_POSSIBLE_VISUAL_STUDIO_ROOT([${VS_VERSION}],

        [$with_tools_dir/../../..], [--with-tools-dir])

    if 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])

      AC_MSG_NOTICE([Visual Studio installation. Please point to the VC/bin or VC/bin/amd64])

      AC_MSG_NOTICE([directory within the Visual Studio installation])

      AC_MSG_ERROR([Cannot locate a valid Visual Studio installation])

    fi

  fi

  VS_ENV_CMD=""

  VS_ENV_ARGS=""

  if test "x$VS_COMNTOOLS" != x; then

    TOOLCHAIN_CHECK_POSSIBLE_VISUAL_STUDIO_ROOT([${VS_VERSION}],

        [$VS_COMNTOOLS/../..], [$VS_COMNTOOLS_VAR variable])

  fi

  if test "x$PROGRAMFILES" != x; then

    TOOLCHAIN_CHECK_POSSIBLE_VISUAL_STUDIO_ROOT([${VS_VERSION}],

        [$PROGRAMFILES/$VS_INSTALL_DIR], [well-known name])

  fi

  # Work around the insanely named ProgramFiles(x86) env variable

  PROGRAMFILES_X86="`env | $SED -n 's/^ProgramFiles(x86)=//p'`"

  if test "x$PROGRAMFILES_X86" != x; then

    TOOLCHAIN_CHECK_POSSIBLE_VISUAL_STUDIO_ROOT([${VS_VERSION}],

        [$PROGRAMFILES_X86/$VS_INSTALL_DIR], [well-known name])

  fi

  TOOLCHAIN_CHECK_POSSIBLE_VISUAL_STUDIO_ROOT([${VS_VERSION}],

      [C:/Program Files/$VS_INSTALL_DIR], [well-known name])

  TOOLCHAIN_CHECK_POSSIBLE_VISUAL_STUDIO_ROOT([${VS_VERSION}],

      [C:/Program Files (x86)/$VS_INSTALL_DIR], [well-known name])

  if test "x$SDK_INSTALL_DIR" != x; then

    if test "x$ProgramW6432" != x; then

      TOOLCHAIN_CHECK_POSSIBLE_WIN_SDK_ROOT([${VS_VERSION}],

          [$ProgramW6432/$SDK_INSTALL_DIR], [well-known name])

    fi

    if test "x$PROGRAMW6432" != x; then

      TOOLCHAIN_CHECK_POSSIBLE_WIN_SDK_ROOT([${VS_VERSION}],

          [$PROGRAMW6432/$SDK_INSTALL_DIR], [well-known name])

    fi

    if test "x$PROGRAMFILES" != x; then

      TOOLCHAIN_CHECK_POSSIBLE_WIN_SDK_ROOT([${VS_VERSION}],

          [$PROGRAMFILES/$SDK_INSTALL_DIR], [well-known name])

    fi

    TOOLCHAIN_CHECK_POSSIBLE_WIN_SDK_ROOT([${VS_VERSION}],

        [C:/Program Files/$SDK_INSTALL_DIR], [well-known name])

    TOOLCHAIN_CHECK_POSSIBLE_WIN_SDK_ROOT([${VS_VERSION}],

        [C:/Program Files (x86)/$SDK_INSTALL_DIR], [well-known name])

  fi

])

################################################################################

AC_DEFUN([TOOLCHAIN_FIND_VISUAL_STUDIO],

[

  AC_ARG_WITH(toolchain-version, [AS_HELP_STRING([--with-toolchain-version],

      [the version of the toolchain to look for, use '--help' to show possible values @<:@platform dependent@:>@])])

  if test "x$with_toolchain_version" = xlist; then

    # List all toolchains

    AC_MSG_NOTICE([The following toolchain versions are valid on this platform:])

    for version in $VALID_VS_VERSIONS; do

      eval VS_DESCRIPTION=\${VS_DESCRIPTION_$version}

      $PRINTF "  %-10s  %s\n" $version "$VS_DESCRIPTION"

    done

    exit 0

  elif test "x$with_toolchain_version" != x; then

    # User override; check that it is valid

    if test "x${VALID_VS_VERSIONS/$with_toolchain_version/}" = "x${VALID_VS_VERSIONS}"; then

      AC_MSG_NOTICE([Visual Studio version $with_toolchain_version is not valid.])

      AC_MSG_NOTICE([Valid Visual Studio versions: $VALID_VS_VERSIONS.])

      AC_MSG_ERROR([Cannot continue.])

    fi

    VS_VERSIONS_PROBE_LIST="$with_toolchain_version"

  else

    # No flag given, use default

    VS_VERSIONS_PROBE_LIST="$VALID_VS_VERSIONS"

  fi

  for VS_VERSION in $VS_VERSIONS_PROBE_LIST; do

    TOOLCHAIN_FIND_VISUAL_STUDIO_BAT_FILE([$VS_VERSION])

    if test "x$VS_ENV_CMD" != x; then

      TOOLCHAIN_VERSION=$VS_VERSION

      eval VS_DESCRIPTION="\${VS_DESCRIPTION_${VS_VERSION}}"

      eval VS_VERSION_INTERNAL="\${VS_VERSION_INTERNAL_${VS_VERSION}}"

      eval MSVCR_NAME="\${VS_MSVCR_${VS_VERSION}}"

      eval MSVCP_NAME="\${VS_MSVCP_${VS_VERSION}}"

      # The rest of the variables are already evaled while probing

      AC_MSG_NOTICE([Found $VS_DESCRIPTION])

      break

    fi

  done

])

################################################################################

# 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

  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])

    # We need to create a couple of temporary files.

    VS_ENV_TMP_DIR="$OUTPUT_ROOT/vs-env"

    $MKDIR -p $VS_ENV_TMP_DIR

    # Cannot use the VS10 setup script directly (since it only updates the DOS subshell environment).

    # Instead create a shell script which will set the relevant variables when run.

    WINPATH_VS_ENV_CMD="$VS_ENV_CMD"

    BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH([WINPATH_VS_ENV_CMD])

    WINPATH_BASH="$BASH"

    BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH([WINPATH_BASH])

    # Generate a DOS batch file which runs $VS_ENV_CMD, and then creates a shell

    # script (executable by bash) that will setup the important variables.

    EXTRACT_VC_ENV_BAT_FILE="$VS_ENV_TMP_DIR/extract-vs-env.bat"

    $ECHO "@echo off" >  $EXTRACT_VC_ENV_BAT_FILE

    # This will end up something like:

    # call C:/progra~2/micros~2.0/vc/bin/amd64/vcvars64.bat

    $ECHO "call $WINPATH_VS_ENV_CMD $VS_ENV_ARGS" >> $EXTRACT_VC_ENV_BAT_FILE

    # These will end up something like:

    # C:/CygWin/bin/bash -c 'echo VS_PATH=\"$PATH\" > localdevenv.sh

    # The trailing space for everyone except PATH is no typo, but is needed due

    # to trailing \ in the Windows paths. These will be stripped later.

    $ECHO "$WINPATH_BASH -c 'echo VS_PATH="'\"$PATH\" > set-vs-env.sh' >> $EXTRACT_VC_ENV_BAT_FILE

    $ECHO "$WINPATH_BASH -c 'echo VS_INCLUDE="'\"$INCLUDE\;$include \" >> set-vs-env.sh' >> $EXTRACT_VC_ENV_BAT_FILE

    $ECHO "$WINPATH_BASH -c 'echo VS_LIB="'\"$LIB\;$lib \" >> set-vs-env.sh' >> $EXTRACT_VC_ENV_BAT_FILE

    $ECHO "$WINPATH_BASH -c 'echo VCINSTALLDIR="'\"$VCINSTALLDIR \" >> set-vs-env.sh' >> $EXTRACT_VC_ENV_BAT_FILE

    $ECHO "$WINPATH_BASH -c 'echo WindowsSdkDir="'\"$WindowsSdkDir \" >> set-vs-env.sh' >> $EXTRACT_VC_ENV_BAT_FILE

    $ECHO "$WINPATH_BASH -c 'echo WINDOWSSDKDIR="'\"$WINDOWSSDKDIR \" >> set-vs-env.sh' >> $EXTRACT_VC_ENV_BAT_FILE

    # Now execute the newly created bat file.

    # The | cat is to stop SetEnv.Cmd to mess with system colors on msys.

    # Change directory so we don't need to mess with Windows paths in redirects.

    cd $VS_ENV_TMP_DIR

    cmd /c extract-vs-env.bat | $CAT

    cd $CURDIR

    if test ! -s $VS_ENV_TMP_DIR/set-vs-env.sh; then

      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])

    . $VS_ENV_TMP_DIR/set-vs-env.sh

    # Now we have VS_PATH, VS_INCLUDE, VS_LIB. For further checking, we

    # also define VCINSTALLDIR, WindowsSdkDir and WINDOWSSDKDIR.

  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 correct 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$VS_INCLUDE" = x || test "x$VS_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 "\" ";" and " " from the variables.

      VS_INCLUDE=`$ECHO "$VS_INCLUDE" | $SED -e 's/\\\\*;* *$//'`

      VS_LIB=`$ECHO "$VS_LIB" | $SED 's/\\\\*;* *$//'`

      VCINSTALLDIR=`$ECHO "$VCINSTALLDIR" | $SED 's/\\\\* *$//'`

      WindowsSDKDir=`$ECHO "$WindowsSDKDir" | $SED 's/\\\\* *$//'`

      WINDOWSSDKDIR=`$ECHO "$WINDOWSSDKDIR" | $SED 's/\\\\* *$//'`

      # Remove any paths containing # (typically F#) as that messes up make. This

      # is needed if visual studio was installed with F# support.

      VS_PATH=`$ECHO "$VS_PATH" | $SED 's/[[^:#]]*#[^:]*://g'`

      AC_SUBST(VS_PATH)

      AC_SUBST(VS_INCLUDE)

      AC_SUBST(VS_LIB)

      # Convert VS_INCLUDE into SYSROOT_CFLAGS

      OLDIFS="$IFS"

      IFS=";"

      for i in $VS_INCLUDE; do

        ipath=$i

        # Only process non-empty elements

        if test "x$ipath" != x; then

          IFS="$OLDIFS"

          # Check that directory exists before calling fixup_path

          testpath=$ipath

          BASIC_WINDOWS_REWRITE_AS_UNIX_PATH([testpath])

          if test -d "$testpath"; then

            BASIC_FIXUP_PATH([ipath])

            SYSROOT_CFLAGS="$SYSROOT_CFLAGS -I$ipath"

          fi

          IFS=";"

        fi

      done

      # Convert VS_LIB into SYSROOT_LDFLAGS

      for i in $VS_LIB; do

        libpath=$i

        # Only process non-empty elements

        if test "x$libpath" != x; then

          IFS="$OLDIFS"

          # Check that directory exists before calling fixup_path

          testpath=$libpath

          BASIC_WINDOWS_REWRITE_AS_UNIX_PATH([testpath])

          if test -d "$testpath"; then

            BASIC_FIXUP_PATH([libpath])

            SYSROOT_LDFLAGS="$SYSROOT_LDFLAGS -libpath:$libpath"

          fi

          IFS=";"

        fi

      done

      IFS="$OLDIFS"

    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_MSVC_DLL],

[

  DLL_NAME="$1"

  POSSIBLE_MSVC_DLL="$2"

  METHOD="$3"

  if test -n "$POSSIBLE_MSVC_DLL" -a -e "$POSSIBLE_MSVC_DLL"; then

    AC_MSG_NOTICE([Found $1 at $POSSIBLE_MSVC_DLL using $METHOD])

    # Need to check if the found msvcr is correct architecture

    AC_MSG_CHECKING([found $1 architecture])

    MSVC_DLL_FILETYPE=`$FILE -b "$POSSIBLE_MSVC_DLL"`

    if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then

      # The MSYS 'file' command returns "PE32 executable for MS Windows (DLL) (GUI) Intel 80386 32-bit"

      # on x32 and "PE32+ executable for MS Windows (DLL) (GUI) Mono/.Net assembly" on x64 systems.

      if test "x$OPENJDK_TARGET_CPU_BITS" = x32; then

        CORRECT_MSVCR_ARCH="PE32 executable"

      else

        CORRECT_MSVCR_ARCH="PE32+ executable"

      fi

    else

      if test "x$OPENJDK_TARGET_CPU_BITS" = x32; then

        CORRECT_MSVCR_ARCH=386

      else

        CORRECT_MSVCR_ARCH=x86-64

      fi

    fi

    if $ECHO "$MSVC_DLL_FILETYPE" | $GREP "$CORRECT_MSVCR_ARCH" 2>&1 > /dev/null; then

      AC_MSG_RESULT([ok])

      MSVC_DLL="$POSSIBLE_MSVC_DLL"

      AC_MSG_CHECKING([for $1])

      AC_MSG_RESULT([$MSVC_DLL])

    else

      AC_MSG_RESULT([incorrect, ignoring])

      AC_MSG_NOTICE([The file type of the located $1 is $MSVC_DLL_FILETYPE])

    fi

  fi

])

AC_DEFUN([TOOLCHAIN_SETUP_MSVC_DLL],

[

  VAR_NAME="$1"

  DLL_NAME="$2"

  MSVC_DLL=

  if test "x$MSVC_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_MSVC_DLL="$CYGWIN_VC_INSTALL_DIR/redist/x64/Microsoft.VC${VS_VERSION_INTERNAL}.CRT/$DLL_NAME"

      else

        POSSIBLE_MSVC_DLL="$CYGWIN_VC_INSTALL_DIR/redist/x86/Microsoft.VC${VS_VERSION_INTERNAL}.CRT/$DLL_NAME"

      fi

      $ECHO "POSSIBLE_MSVC_DLL $POSSIBLEMSVC_DLL"

      TOOLCHAIN_CHECK_POSSIBLE_MSVC_DLL([$DLL_NAME], [$POSSIBLE_MSVC_DLL],

          [well-known location in VCINSTALLDIR])

    fi

  fi

  if test "x$MSVC_DLL" = x; then

    # Probe: Check in the Boot JDK directory.

    POSSIBLE_MSVC_DLL="$BOOT_JDK/bin/$DLL_NAME"

    TOOLCHAIN_CHECK_POSSIBLE_MSVC_DLL([$DLL_NAME], [$POSSIBLE_MSVC_DLL],

        [well-known location in Boot JDK])

  fi

  if test "x$MSVC_DLL" = x; then

    # Probe: Look in the Windows system32 directory 

    CYGWIN_SYSTEMROOT="$SYSTEMROOT"

    BASIC_WINDOWS_REWRITE_AS_UNIX_PATH(CYGWIN_SYSTEMROOT)

    POSSIBLE_MSVC_DLL="$CYGWIN_SYSTEMROOT/system32/$DLL_NAME"

    TOOLCHAIN_CHECK_POSSIBLE_MSVC_DLL([$DLL_NAME], [$POSSIBLE_MSVC_DLL],

        [well-known location in SYSTEMROOT])

  fi

  if test "x$MSVC_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_MSVC_DLL=`$FIND "$CYGWIN_VS_TOOLS_DIR" -name $DLL_NAME \

	    | $GREP -i /x64/ | $HEAD --lines 1`

      else

        POSSIBLE_MSVC_DLL=`$FIND "$CYGWIN_VS_TOOLS_DIR" -name $DLL_NAME \

	    | $GREP -i /x86/ | $HEAD --lines 1`

      fi

      TOOLCHAIN_CHECK_POSSIBLE_MSVC_DLL([$DLL_NAME], [$POSSIBLE_MSVC_DLL],

          [search of VS100COMNTOOLS])

    fi

  fi

  if test "x$MSVC_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 something up)

    if test "x$CYGWIN_VC_INSTALL_DIR" != x; then