--- old/make/autoconf/generated-configure.sh	2018-01-23 23:09:33.812297200 +0900
+++ new/make/autoconf/generated-configure.sh	2018-01-23 23:09:33.010714000 +0900
@@ -1096,6 +1096,7 @@
 docdir
 oldincludedir
 includedir
+runstatedir
 localstatedir
 sharedstatedir
 sysconfdir
@@ -1385,6 +1386,7 @@
 sysconfdir='${prefix}/etc'
 sharedstatedir='${prefix}/com'
 localstatedir='${prefix}/var'
+runstatedir='${localstatedir}/run'
 includedir='${prefix}/include'
 oldincludedir='/usr/include'
 docdir='${datarootdir}/doc/${PACKAGE_TARNAME}'
@@ -1637,6 +1639,15 @@
   | -silent | --silent | --silen | --sile | --sil)
     silent=yes ;;
 
+  -runstatedir | --runstatedir | --runstatedi | --runstated \
+  | --runstate | --runstat | --runsta | --runst | --runs \
+  | --run | --ru | --r)
+    ac_prev=runstatedir ;;
+  -runstatedir=* | --runstatedir=* | --runstatedi=* | --runstated=* \
+  | --runstate=* | --runstat=* | --runsta=* | --runst=* | --runs=* \
+  | --run=* | --ru=* | --r=*)
+    runstatedir=$ac_optarg ;;
+
   -sbindir | --sbindir | --sbindi | --sbind | --sbin | --sbi | --sb)
     ac_prev=sbindir ;;
   -sbindir=* | --sbindir=* | --sbindi=* | --sbind=* | --sbin=* \
@@ -1774,7 +1785,7 @@
 for ac_var in	exec_prefix prefix bindir sbindir libexecdir datarootdir \
 		datadir sysconfdir sharedstatedir localstatedir includedir \
 		oldincludedir docdir infodir htmldir dvidir pdfdir psdir \
-		libdir localedir mandir
+		libdir localedir mandir runstatedir
 do
   eval ac_val=\$$ac_var
   # Remove trailing slashes.
@@ -1927,6 +1938,7 @@
   --sysconfdir=DIR        read-only single-machine data [PREFIX/etc]
   --sharedstatedir=DIR    modifiable architecture-independent data [PREFIX/com]
   --localstatedir=DIR     modifiable single-machine data [PREFIX/var]
+  --runstatedir=DIR       modifiable per-process data [LOCALSTATEDIR/run]
   --libdir=DIR            object code libraries [EPREFIX/lib]
   --includedir=DIR        C header files [PREFIX/include]
   --oldincludedir=DIR     C header files for non-gcc [/usr/include]
@@ -5176,7 +5188,7 @@
 #CUSTOM_AUTOCONF_INCLUDE
 
 # Do not change or remove the following line, it is needed for consistency checks:
-DATE_WHEN_GENERATED=1513805283
+DATE_WHEN_GENERATED=1516716346
 
 ###############################################################################
 #
@@ -15720,6 +15732,10 @@
       VAR_OS=windows
       VAR_OS_ENV=windows.msys
       ;;
+    *wsl*)
+      VAR_OS=windows
+      VAR_OS_ENV=windows.wsl
+      ;;
     *aix*)
       VAR_OS=aix
       VAR_OS_TYPE=unix
@@ -15907,6 +15923,10 @@
       VAR_OS=windows
       VAR_OS_ENV=windows.msys
       ;;
+    *wsl*)
+      VAR_OS=windows
+      VAR_OS_ENV=windows.wsl
+      ;;
     *aix*)
       VAR_OS=aix
       VAR_OS_TYPE=unix
@@ -16559,8 +16579,19 @@
     { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MSYS_ROOT_PATH" >&5
 $as_echo "$MSYS_ROOT_PATH" >&6; }
     WINDOWS_ENV_ROOT_PATH="$MSYS_ROOT_PATH"
+  elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.wsl"; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking wsl kernel" >&5
+$as_echo_n "checking wsl kernel... " >&6; }
+    WSL_KERNEL_VERSION=`$UNAME -r`
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $WSL_KERNEL_VERSION" >&5
+$as_echo "$WSL_KERNEL_VERSION" >&6; }
+
+    WINDOWS_ENV_VENDOR='wsl'
+    WINDOWS_ENV_VERSION="$WSL_KERNEL_VERSION"
+
+    WINDOWS_ENV_ROOT_PATH="/mnt/c"
   else
-    as_fn_error $? "Unknown Windows environment. Neither cygwin nor msys was detected." "$LINENO" 5
+    as_fn_error $? "Unknown Windows environment: $OPENJDK_BUILD_OS_ENV " "$LINENO" 5
   fi
 
   # Test if windows or unix (cygwin/msys) find is first in path.
@@ -17939,6 +17970,8 @@
             MAKE_EXPECTED_ENV='cygwin'
           elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then
             MAKE_EXPECTED_ENV='msys'
+          elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.wsl"; then
+            MAKE_EXPECTED_ENV='.'
           else
             as_fn_error $? "Unknown Windows environment" "$LINENO" 5
           fi
@@ -18323,6 +18356,8 @@
             MAKE_EXPECTED_ENV='cygwin'
           elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then
             MAKE_EXPECTED_ENV='msys'
+          elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.wsl"; then
+            MAKE_EXPECTED_ENV='.'
           else
             as_fn_error $? "Unknown Windows environment" "$LINENO" 5
           fi
@@ -18712,6 +18747,8 @@
             MAKE_EXPECTED_ENV='cygwin'
           elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then
             MAKE_EXPECTED_ENV='msys'
+          elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.wsl"; then
+            MAKE_EXPECTED_ENV='.'
           else
             as_fn_error $? "Unknown Windows environment" "$LINENO" 5
           fi
@@ -19095,6 +19132,8 @@
             MAKE_EXPECTED_ENV='cygwin'
           elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then
             MAKE_EXPECTED_ENV='msys'
+          elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.wsl"; then
+            MAKE_EXPECTED_ENV='.'
           else
             as_fn_error $? "Unknown Windows environment" "$LINENO" 5
           fi
@@ -19501,6 +19540,8 @@
             MAKE_EXPECTED_ENV='cygwin'
           elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then
             MAKE_EXPECTED_ENV='msys'
+          elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.wsl"; then
+            MAKE_EXPECTED_ENV='.'
           else
             as_fn_error $? "Unknown Windows environment" "$LINENO" 5
           fi
@@ -19885,6 +19926,8 @@
             MAKE_EXPECTED_ENV='cygwin'
           elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then
             MAKE_EXPECTED_ENV='msys'
+          elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.wsl"; then
+            MAKE_EXPECTED_ENV='.'
           else
             as_fn_error $? "Unknown Windows environment" "$LINENO" 5
           fi
@@ -20274,6 +20317,8 @@
             MAKE_EXPECTED_ENV='cygwin'
           elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then
             MAKE_EXPECTED_ENV='msys'
+          elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.wsl"; then
+            MAKE_EXPECTED_ENV='.'
           else
             as_fn_error $? "Unknown Windows environment" "$LINENO" 5
           fi
@@ -20657,6 +20702,8 @@
             MAKE_EXPECTED_ENV='cygwin'
           elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then
             MAKE_EXPECTED_ENV='msys'
+          elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.wsl"; then
+            MAKE_EXPECTED_ENV='.'
           else
             as_fn_error $? "Unknown Windows environment" "$LINENO" 5
           fi
@@ -21088,6 +21135,8 @@
             MAKE_EXPECTED_ENV='cygwin'
           elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then
             MAKE_EXPECTED_ENV='msys'
+          elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.wsl"; then
+            MAKE_EXPECTED_ENV='.'
           else
             as_fn_error $? "Unknown Windows environment" "$LINENO" 5
           fi