make/autoconf/toolchain_windows.m4
changeset 47216 71c04702a3d5
parent 42300 218374d35efd
child 48678 bcce1fa183e7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/make/autoconf/toolchain_windows.m4	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,610 @@
+#
+# 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.
+#
+
+################################################################################
+# The order of these defines the priority by which we try to find them.
+VALID_VS_VERSIONS="2013 2012 2010"
+
+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$DEVKIT_VS_VERSION" != x; then
+    VS_VERSION=$DEVKIT_VS_VERSION
+    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_${VS_VERSION}}"
+    eval PLATFORM_TOOLSET="\${VS_VS_PLATFORM_NAME_${VS_VERSION}}"
+    VS_PATH="$TOOLCHAIN_PATH:$PATH"
+
+    # Convert DEVKIT_VS_INCLUDE into windows style VS_INCLUDE so that it
+    # can still be exported as INCLUDE for compiler invocations without
+    # SYSROOT_CFLAGS
+    OLDIFS="$IFS"
+    IFS=";"
+    for i in $DEVKIT_VS_INCLUDE; do
+      ipath=$i
+      BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH([ipath])
+      VS_INCLUDE="$VS_INCLUDE;$ipath"
+    done
+    # Convert DEVKIT_VS_LIB into VS_LIB so that it can still be exported
+    # as LIB for compiler invocations without SYSROOT_LDFLAGS
+    for i in $DEVKIT_VS_LIB; do
+      libpath=$i
+      BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH([libpath])
+      VS_LIB="$VS_LIB;$libpath"
+    done
+    IFS="$OLDIFS"
+
+    AC_MSG_NOTICE([Found devkit $VS_DESCRIPTION])
+
+  elif test "x$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 $? -eq 0 ; then
+      AC_MSG_RESULT([yes])
+    else
+      AC_MSG_RESULT([no])
+      # This might be the VS linker. Don't exclude it later on.
+      CYGWIN_LINK=""
+    fi
+  fi
+
+  # First-hand choice is to locate and run the vsvars bat file.
+  TOOLCHAIN_FIND_VISUAL_STUDIO
+
+  # If we have a devkit, skip all of the below.
+  if test "x$DEVKIT_VS_VERSION" = x; then
+    if test "x$VS_ENV_CMD" != x; then
+      # We have found a Visual Studio environment on disk, let's extract variables from the vsvars bat file.
+      BASIC_FIXUP_EXECUTABLE(VS_ENV_CMD)
+
+      # Lets extract the variables that are set by vcvarsall.bat/vsvars32.bat/vsvars64.bat
+      AC_MSG_NOTICE([Trying to extract Visual Studio environment variables])
+
+      # We need to create a couple of temporary files.
+      VS_ENV_TMP_DIR="$CONFIGURESUPPORT_OUTPUTDIR/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])
+      . $VS_ENV_TMP_DIR/set-vs-env.sh
+      # Now we have VS_PATH, VS_INCLUDE, VS_LIB. For further checking, we
+      # also define VCINSTALLDIR, WindowsSdkDir and WINDOWSSDKDIR.
+    else
+      # We did not find a vsvars bat file, let's hope we are run from a VS command prompt.
+      AC_MSG_NOTICE([Cannot locate a valid Visual Studio installation, checking current environment])
+    fi
+  fi
+
+  # At this point, we should have correct variables in the environment, or we can't continue.
+  AC_MSG_CHECKING([for Visual Studio variables])
+
+  if test "x$VCINSTALLDIR" != x || test "x$WindowsSDKDir" != x \
+      || test "x$WINDOWSSDKDIR" != x || test "x$DEVKIT_NAME" != x; then
+    if test "x$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 $DLL_NAME at $POSSIBLE_MSVC_DLL using $METHOD])
+
+    # Need to check if the found msvcr is correct architecture
+    AC_MSG_CHECKING([found $DLL_NAME architecture])
+    MSVC_DLL_FILETYPE=`$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"
+      BASIC_FIXUP_PATH(MSVC_DLL)
+      AC_MSG_CHECKING([for $DLL_NAME])
+      AC_MSG_RESULT([$MSVC_DLL])
+    else
+      AC_MSG_RESULT([incorrect, ignoring])
+      AC_MSG_NOTICE([The file type of the located $DLL_NAME is $MSVC_DLL_FILETYPE])
+    fi
+  fi
+])
+
+AC_DEFUN([TOOLCHAIN_SETUP_MSVC_DLL],
+[
+  DLL_NAME="$1"
+  MSVC_DLL=
+
+  if test "x$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$CYGWIN_VC_INSTALL_DIR" != x; then
+      if test "x$OPENJDK_TARGET_CPU_BITS" = x64; then
+        POSSIBLE_MSVC_DLL=`$FIND "$CYGWIN_VC_INSTALL_DIR" -name $DLL_NAME \
+	    | $GREP x64 | $HEAD --lines 1`
+      else
+        POSSIBLE_MSVC_DLL=`$FIND "$CYGWIN_VC_INSTALL_DIR" -name $DLL_NAME \
+	    | $GREP x86 | $GREP -v ia64 | $GREP -v x64 | $HEAD --lines 1`
+        if test "x$POSSIBLE_MSVC_DLL" = x; then
+          # We're grasping at straws now...
+          POSSIBLE_MSVC_DLL=`$FIND "$CYGWIN_VC_INSTALL_DIR" -name $DLL_NAME \
+	      | $HEAD --lines 1`
+        fi
+      fi
+
+      TOOLCHAIN_CHECK_POSSIBLE_MSVC_DLL([$DLL_NAME], [$POSSIBLE_MSVC_DLL],
+          [search of VCINSTALLDIR])
+    fi
+  fi
+
+  if test "x$MSVC_DLL" = x; then
+    AC_MSG_CHECKING([for $DLL_NAME])
+    AC_MSG_RESULT([no])
+    AC_MSG_ERROR([Could not find $DLL_NAME. Please specify using --with-msvcr-dll.])
+  fi
+])
+
+AC_DEFUN([TOOLCHAIN_SETUP_VS_RUNTIME_DLLS],
+[
+  AC_ARG_WITH(msvcr-dll, [AS_HELP_STRING([--with-msvcr-dll],
+      [path to microsoft C runtime dll (msvcr*.dll) (Windows only) @<:@probed@:>@])])
+
+  if test "x$with_msvcr_dll" != x; then
+    # If given explicitly by user, do not probe. If not present, fail directly.
+    TOOLCHAIN_CHECK_POSSIBLE_MSVC_DLL($MSVCR_NAME, [$with_msvcr_dll], [--with-msvcr-dll])
+    if test "x$MSVC_DLL" = x; then
+      AC_MSG_ERROR([Could not find a proper $MSVCR_NAME as specified by --with-msvcr-dll])
+    fi
+    MSVCR_DLL="$MSVC_DLL"
+  elif test "x$DEVKIT_MSVCR_DLL" != x; then
+    TOOLCHAIN_CHECK_POSSIBLE_MSVC_DLL($MSVCR_NAME, [$DEVKIT_MSVCR_DLL], [devkit])
+    if test "x$MSVC_DLL" = x; then
+      AC_MSG_ERROR([Could not find a proper $MSVCR_NAME as specified by devkit])
+    fi  
+    MSVCR_DLL="$MSVC_DLL"
+  else
+    TOOLCHAIN_SETUP_MSVC_DLL([${MSVCR_NAME}])
+    MSVCR_DLL="$MSVC_DLL"
+  fi
+  AC_SUBST(MSVCR_DLL)
+
+  AC_ARG_WITH(msvcp-dll, [AS_HELP_STRING([--with-msvcp-dll],
+      [path to microsoft C++ runtime dll (msvcp*.dll) (Windows only) @<:@probed@:>@])])
+
+  if test "x$MSVCP_NAME" != "x"; then
+    if test "x$with_msvcp_dll" != x; then
+      # If given explicitly by user, do not probe. If not present, fail directly.
+      TOOLCHAIN_CHECK_POSSIBLE_MSVC_DLL($MSVCP_NAME, [$with_msvcp_dll], [--with-msvcp-dll])
+      if test "x$MSVC_DLL" = x; then
+        AC_MSG_ERROR([Could not find a proper $MSVCP_NAME as specified by --with-msvcp-dll])
+      fi
+      MSVCP_DLL="$MSVC_DLL"
+    elif test "x$DEVKIT_MSVCP_DLL" != x; then
+      TOOLCHAIN_CHECK_POSSIBLE_MSVC_DLL($MSVCP_NAME, [$DEVKIT_MSVCP_DLL], [devkit])
+      if test "x$MSVC_DLL" = x; then
+        AC_MSG_ERROR([Could not find a proper $MSVCP_NAME as specified by devkit])
+      fi  
+      MSVCP_DLL="$MSVC_DLL"
+    else
+      TOOLCHAIN_SETUP_MSVC_DLL([${MSVCP_NAME}])
+      MSVCP_DLL="$MSVC_DLL"
+    fi
+    AC_SUBST(MSVCP_DLL)
+  fi
+])