RE: [PATCH] Support for building using WSL (Windows Subsystem for Linux) on Windows

Fri, 14 Dec 2018 16:34:05 -0800 

Ok, here's my latest patch (I didn't add your case sensitivity fix yet, but 
will do next patch).  I believe this should get you past the rc.exe issues.

Thanks,

-Andrew

-----Original Message-----
From: Erik Joelsson <erik.joels...@oracle.com> 
Sent: Friday, December 14, 2018 4:15 PM
To: Magnus Ihse Bursie <magnus.ihse.bur...@oracle.com>
Cc: Andrew Luo <andrewluotechnolog...@outlook.com>; build-dev@openjdk.java.net
Subject: Re: [PATCH] Support for building using WSL (Windows Subsystem for 
Linux) on Windows


On 2018-12-14 16:06, Magnus Ihse Bursie wrote:
>> 14 dec. 2018 kl. 23:42 skrev Erik Joelsson <erik.joels...@oracle.com>:
>>
>> I found the reason it's not failing make. It returns "1" and 
>> NativeCompilation.gmk currently ignores 1 explicitly for Visual Studio. I 
>> added that back in 2014 in https://bugs.openjdk.java.net/browse/JDK-8065576, 
>> but I can't figure out why. Nothing mentioned in either comment or review.
> Sounds like it's ripe for removal then. :) I wonder what kind of issue you 
> might have run into that caused a returned 1 to happen and yet we didn't want 
> to consider it a failure...

If I'm to guess, I think it's one of the commands we pipe the output to when 
the output is zero. This would explain why it was added together with pipefail.

/Erik

> /Magnus
>
>> /Erik
>>
>>> On 2018-12-14 13:59, Magnus Ihse Bursie wrote:
>>>
>>>
>>>> On 2018-12-14 22:15, Erik Joelsson wrote:
>>>> I get the same error for pch and it still continues, but this time I let 
>>>> it run until it eventually fails for real when it can't link. Perhaps it's 
>>>> simply cl.exe that isn't returning non zero for this error? When the 
>>>> linker fails, make fails, so propagation doesn't seem broken.
>>> That does also seem really weird, considering that it claims it to be a 
>>> "fatal error". Can you repeat the command at the command line and get the 
>>> failure again, and then check the return value? Can you rewrite the command 
>>> line and run it from the devenv prompt? That is, is there any indication 
>>> that the pch file itself is messed up, or can it be used if running the 
>>> compilation that should use it from an "ok" prompt?
>>>
>>> /Magnus
>>>> /Erik
>>>>
>>>>> On 2018-12-14 12:55, Andrew Luo wrote:
>>>>> Hmm, I get the rc.exe error as well, but now it is much later down the 
>>>>> line... Still investigating...
>>>>>
>>>>> Thanks,
>>>>>
>>>>> -Andrew
>>>>>
>>>>> -----Original Message-----
>>>>> From: Andrew Luo
>>>>> Sent: Friday, December 14, 2018 12:34 PM
>>>>> To: 'Andrew Luo' <andrewluotechnolog...@outlook.com>; Magnus Ihse 
>>>>> Bursie <magnus.ihse.bur...@oracle.com>; Erik Joelsson 
>>>>> <erik.joels...@oracle.com>
>>>>> Cc: build-dev@openjdk.java.net
>>>>> Subject: RE: [PATCH] Support for building using WSL (Windows 
>>>>> Subsystem for Linux) on Windows
>>>>>
>>>>> Try this updated patch with some fixes...
>>>>>
>>>>> Thanks,
>>>>>
>>>>> -Andrew
>>>>>
>>>>> -----Original Message-----
>>>>> From: build-dev <build-dev-boun...@openjdk.java.net> On Behalf Of 
>>>>> Andrew Luo
>>>>> Sent: Friday, December 14, 2018 12:01 PM
>>>>> To: Magnus Ihse Bursie <magnus.ihse.bur...@oracle.com>; Erik 
>>>>> Joelsson <erik.joels...@oracle.com>
>>>>> Cc: build-dev@openjdk.java.net
>>>>> Subject: RE: [PATCH] Support for building using WSL (Windows 
>>>>> Subsystem for Linux) on Windows
>>>>>
>>>>> I think I have a fix for it.  Give me a minute (or a few hours depending 
>>>>> on if it works).
>>>>>
>>>>> Thanks,
>>>>>
>>>>> -Andrew
>>>>>
>>>>> -----Original Message-----
>>>>> From: Magnus Ihse Bursie <magnus.ihse.bur...@oracle.com>
>>>>> Sent: Friday, December 14, 2018 11:42 AM
>>>>> To: Erik Joelsson <erik.joels...@oracle.com>
>>>>> Cc: Andrew Luo <andrewluotechnolog...@outlook.com>; 
>>>>> build-dev@openjdk.java.net
>>>>> Subject: Re: [PATCH] Support for building using WSL (Windows 
>>>>> Subsystem for Linux) on Windows
>>>>>
>>>>>
>>>>>> 14 dec. 2018 kl. 20:31 skrev Erik Joelsson <erik.joels...@oracle.com>:
>>>>>>
>>>>>>
>>>>>>> On 2018-12-14 11:05, Magnus Ihse Bursie wrote:
>>>>>>>
>>>>>>>
>>>>>>>>> On 2018-12-14 19:41, Erik Joelsson wrote:
>>>>>>>>>
>>>>>>>>> On 2018-12-14 10:28, Magnus Ihse Bursie wrote:
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>> On 2018-12-14 19:23, Erik Joelsson wrote:
>>>>>>>>>> Hello,
>>>>>>>>>>
>>>>>>>>>> I took your patch for a spin, and configure passes, but I get the 
>>>>>>>>>> same build error I got with my patch:
>>>>>>>>>>
>>>>>>>>>> fatal error C1083: Cannot open compiler intermediate file:
>>>>>>>>>> 'd:\erik\jdk-wsl\build\windows-x86_64-server-release\hotspot\
>>>>>>>>>> varia
>>>>>>>>>> nt-server\libjvm\objs\build_libjvm.pch': No such file or 
>>>>>>>>>> directory
>>>>>>>>>>
>>>>>>>>>> This is repeated for every C++ file in Hotspot. I see two issues 
>>>>>>>>>> here. First of all, I need to figure out why the compiler will not 
>>>>>>>>>> find the file, which is clearly there. Second, why isn't this 
>>>>>>>>>> failure picked up by make? Somewhere the return value of cl.exe is 
>>>>>>>>>> disappearing.
>>>>>>>>> Can you build without errors if you disable PCH?
>>>>>>> Could you? That is, is it only the PCH that is problematic?
>>>>>> Trying that now.
>>>>>>>>> Also, a wild guess: can it be related to file permissions? Can you 
>>>>>>>>> read the file properly from both WSL and Windows?
>>>>>>>> It is readable, but it could be something with case. The file is 
>>>>>>>> actually called BUILD_LIBJVM.pch, but that is also how it's given to 
>>>>>>>> the compiler command line. Here is the output from DEBUG_FIXPATH:
>>>>>>> Weird. What if you, after a failed build, rename it to build_libjvm.pch?
>>>>>> Doing that causes a new error:
>>>>>>
>>>>>> d:\erik\jdk-wsl\open\src\hotspot\share\gc\shared\accessBarrierSupport.
>>>>>> cpp : fatal error C1382: the PCH file 
>>>>>> 'd:\erik\jdk-wsl\build\windows-x86_64-server-release\hotspot\vari
>>>>>> ant-s erver\libjvm\objs\build_libjvm.pch' has been rebuilt since 
>>>>>> 'd:\erik\jdk-wsl\build\windows-x86_64-server-release\hotspot\vari
>>>>>> ant-s erver\libjvm\objs\accessBarrierSupport.obj' was generated. 
>>>>>> Please rebuild this object
>>>>>>
>>>>>> But I think even more important is that make is not getting the error. 
>>>>>> The build just continues until interrupted.
>>>>> Agree, that's bad.
>>>>>
>>>>> Does fixpath_debug print exit code? If so, what does it say? If not, we 
>>>>> should add that instrumentation.
>>>>>
>>>>> /Magnus
>>>>>
>>>>>>>> Compiling ad_x86_expand.cpp (for jvm.dll) fixpath input line
>>>>>>>>> -wsl\build\windows-x86_64-server-release\configure-support\bin
>>>>>>>>> \fixp
>>>>>>>> ath.exe -w
>>>>>>> This starts out quite odd..? -wsl\build\...?
>>>>>> I agree, didn't look into that part.
>>>>>>>> /mnt/c/PROGRA~2/MICROS~1/2017/PROFES~1/VC/Tools/MSVC/1416~1.270
>>>>>>>> /bin/
>>>>>>>> Hostx86/x64/cl.exe
>>>>>>> Also, FWIW, this seems not to have been properly case treated. Which 
>>>>>>> version of the patch are you using?
>>>>>> The last one posted by Andrew: "diff15.txt".
>>>>>>
>>>>>> /Erik
>>>>>>
>>>>>>> /Magnus
>>>>>>>> -showIncludes
>>>>>>>> -Fp/mnt/d/erik/jdk-wsl/build/windows-x86_64-server-release/hots
>>>>>>>> pot/v ariant-server/libjvm/objs/BUILD_LIBJVM.pch 
>>>>>>>> -Yuprecompiled.hpp -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS 
>>>>>>>> -D__STDC_CONSTANT_MACROS -DNOMINMAX -DWIN32_LEAN_AND_MEAN 
>>>>>>>> -nologo -MD -MP -D_WINDOWS -DWIN32 -D_JNI_IMPLEMENTATION_ -W3 
>>>>>>>> -DVM_LITTLE_ENDIAN -D_LP64=1 -DPRODUCT -DTARGET_ARCH_x86 
>>>>>>>> -DINCLUDE_SUFFIX_OS=_windows -DINCLUDE_SUFFIX_CPU=_x86 
>>>>>>>> -DINCLUDE_SUFFIX_COMPILER=_visCPP -DTARGET_COMPILER_visCPP 
>>>>>>>> -DAMD64 "-DHOTSPOT_LIB_ARCH=\"amd64\"" -DCOMPILER1 -DCOMPILER2
>>>>>>>> -DINCLUDE_ZGC=0
>>>>>>>> -I/mnt/d/erik/jdk-wsl/build/windows-x86_64-server-release/hotsp
>>>>>>>> ot/va
>>>>>>>> riant-server/gensrc/adfiles
>>>>>>>> -I/mnt/d/erik/jdk-wsl/closed/src/hotspot/share
>>>>>>>> -I/mnt/d/erik/jdk-wsl/open/src/hotspot/share
>>>>>>>> -I/mnt/d/erik/jdk-wsl/open/src/hotspot/os/windows
>>>>>>>> -I/mnt/d/erik/jdk-wsl/open/src/hotspot/cpu/x86
>>>>>>>> -I/mnt/d/erik/jdk-wsl/open/src/hotspot/os_cpu/windows_x86
>>>>>>>> -I/mnt/d/erik/jdk-wsl/build/windows-x86_64-server-release/hotsp
>>>>>>>> ot/va
>>>>>>>> riant-server/gensrc
>>>>>>>> -I/mnt/d/erik/jdk-wsl/open/src/hotspot/share/precompiled
>>>>>>>> -I/mnt/d/erik/jdk-wsl/open/src/hotspot/share/include
>>>>>>>> -I/mnt/d/erik/jdk-wsl/open/src/hotspot/os/windows/include
>>>>>>>> -I/mnt/d/erik/jdk-wsl/build/windows-x86_64-server-release/suppo
>>>>>>>> rt/mo
>>>>>>>> dules_include/java.base
>>>>>>>> -I/mnt/d/erik/jdk-wsl/build/windows-x86_64-server-release/suppo
>>>>>>>> rt/mo
>>>>>>>> dules_include/java.base/win32
>>>>>>>> -I/mnt/d/erik/jdk-wsl/open/src/java.base/share/native/libjimage 
>>>>>>>> -Z7
>>>>>>>> -d2Zi+ -wd4800 -WX
>>>>>>>> -I/mnt/c/PROGRA~2/MICROS~1/2017/PROFES~1/VC/Tools/MSVC/1416~1.2
>>>>>>>> 70/at
>>>>>>>> lmfc/include
>>>>>>>> -I/mnt/c/PROGRA~2/MICROS~1/2017/PROFES~1/VC/Tools/MSVC/1416~1.2
>>>>>>>> 70/in clude 
>>>>>>>> -I/mnt/c/PROGRA~2/WI3CF2~1/10/Include/100177~1.0/ucrt
>>>>>>>> -I/mnt/c/PROGRA~2/WI3CF2~1/10/Include/100177~1.0/shared
>>>>>>>> -I/mnt/c/PROGRA~2/WI3CF2~1/10/Include/100177~1.0/um
>>>>>>>> -I/mnt/c/PROGRA~2/WI3CF2~1/10/Include/100177~1.0/winrt
>>>>>>>> -I/mnt/c/PROGRA~2/WI3CF2~1/10/Include/100177~1.0/cppwinrt -O2 
>>>>>>>> -Oy- "-DTHIS_FILE=\"\"" -c 
>>>>>>>> -Fo/mnt/d/erik/jdk-wsl/build/windows-x86_64-server-release/hots
>>>>>>>> pot/v ariant-server/libjvm/objs/ad_x86_expand.obj
>>>>>>>> /mnt/d/erik/jdk-wsl/build/windows-x86_64-server-release/hotspot
>>>>>>>> /vari ant-server/gensrc/adfiles/ad_x86_expand.cpp<
>>>>>>>> fixpath using wsl mode, with path list:
>>>>>>>> fixpath converted line
>>>>>>>>> c:/PROGRA~2/MICROS~1/2017/PROFES~1/VC/Tools/MSVC/1416~1.270/bi
>>>>>>>>> n/Hos
>>>>>>>> tx86/x64/cl.exe -showIncludes
>>>>>>>> -Fpd:/erik/jdk-wsl/build/windows-x86_64-server-release/hotspot/
>>>>>>>> varia nt-server/libjvm/objs/BUILD_LIBJVM.pch -Yuprecompiled.hpp 
>>>>>>>> -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS 
>>>>>>>> -D__STDC_CONSTANT_MACROS -DNOMINMAX -DWIN32_LEAN_AND_MEAN 
>>>>>>>> -nologo -MD -MP -D_WINDOWS -DWIN32 -D_JNI_IMPLEMENTATION_ -W3 
>>>>>>>> -DVM_LITTLE_ENDIAN -D_LP64=1 -DPRODUCT -DTARGET_ARCH_x86 
>>>>>>>> -DINCLUDE_SUFFIX_OS=_windows -DINCLUDE_SUFFIX_CPU=_x86 
>>>>>>>> -DINCLUDE_SUFFIX_COMPILER=_visCPP -DTARGET_COMPILER_visCPP 
>>>>>>>> -DAMD64 "-DHOTSPOT_LIB_ARCH=\"amd64\"" -DCOMPILER1 -DCOMPILER2
>>>>>>>> -DINCLUDE_ZGC=0
>>>>>>>> -Id:/erik/jdk-wsl/build/windows-x86_64-server-release/hotspot/v
>>>>>>>> arian t-server/gensrc/adfiles 
>>>>>>>> -Id:/erik/jdk-wsl/closed/src/hotspot/share
>>>>>>>> -Id:/erik/jdk-wsl/open/src/hotspot/share
>>>>>>>> -Id:/erik/jdk-wsl/open/src/hotspot/os/windows
>>>>>>>> -Id:/erik/jdk-wsl/open/src/hotspot/cpu/x86
>>>>>>>> -Id:/erik/jdk-wsl/open/src/hotspot/os_cpu/windows_x86
>>>>>>>> -Id:/erik/jdk-wsl/build/windows-x86_64-server-release/hotspot/v
>>>>>>>> arian t-server/gensrc 
>>>>>>>> -Id:/erik/jdk-wsl/open/src/hotspot/share/precompiled
>>>>>>>> -Id:/erik/jdk-wsl/open/src/hotspot/share/include
>>>>>>>> -Id:/erik/jdk-wsl/open/src/hotspot/os/windows/include
>>>>>>>> -Id:/erik/jdk-wsl/build/windows-x86_64-server-release/support/m
>>>>>>>> odule
>>>>>>>> s_include/java.base
>>>>>>>> -Id:/erik/jdk-wsl/build/windows-x86_64-server-release/support/m
>>>>>>>> odule
>>>>>>>> s_include/java.base/win32
>>>>>>>> -Id:/erik/jdk-wsl/open/src/java.base/share/native/libjimage -Z7
>>>>>>>> -d2Zi+ -wd4800 -WX
>>>>>>>> -Ic:/PROGRA~2/MICROS~1/2017/PROFES~1/VC/Tools/MSVC/1416~1.270/a
>>>>>>>> tlmfc
>>>>>>>> /include
>>>>>>>> -Ic:/PROGRA~2/MICROS~1/2017/PROFES~1/VC/Tools/MSVC/1416~1.270/i
>>>>>>>> nclud e -Ic:/PROGRA~2/WI3CF2~1/10/Include/100177~1.0/ucrt
>>>>>>>> -Ic:/PROGRA~2/WI3CF2~1/10/Include/100177~1.0/shared
>>>>>>>> -Ic:/PROGRA~2/WI3CF2~1/10/Include/100177~1.0/um
>>>>>>>> -Ic:/PROGRA~2/WI3CF2~1/10/Include/100177~1.0/winrt
>>>>>>>> -Ic:/PROGRA~2/WI3CF2~1/10/Include/100177~1.0/cppwinrt -O2 -Oy- 
>>>>>>>> "-DTHIS_FILE=\"\"" -c 
>>>>>>>> -Fod:/erik/jdk-wsl/build/windows-x86_64-server-release/hotspot/
>>>>>>>> varia nt-server/libjvm/objs/ad_x86_expand.obj
>>>>>>>> d:/erik/jdk-wsl/build/windows-x86_64-server-release/hotspot/var
>>>>>>>> iant- server/gensrc/adfiles/ad_x86_expand.cpp<
>>>>>>>>
>>>>>>>> An interesting note is that make is rebuilding the pch file on every 
>>>>>>>> invocation so it too has trouble finding the file.
>>>>>>>>
>>>>>>>> /Erik

ÿþdiff -r 4bef1957a1d8 make/Images.gmk

--- a/make/Images.gmk     Thu Nov 22 
10:15:32 2018 -0800

+++ b/make/Images.gmk     Fri Dec 14 
16:31:14 2018 -0800

@@ -99,7 +99,7 @@

      )

         ifeq ($(BUILD_CDS_ARCHIVE), 
true)

        $(call LogWarn, Creating CDS 
archive for jdk image)

-       $(JDK_IMAGE_DIR)/bin/java 
-Xshare:dump -Xmx128M -Xms128M 
$(LOG_INFO)

+       
$(JDK_IMAGE_DIR)/bin/java$(EXE_SUFFIX) 
-Xshare:dump -Xmx128M -Xms128M 
$(LOG_INFO)

         endif

      $(TOUCH) $@

 

@@ -114,7 +114,7 @@

      )

         ifeq ($(BUILD_CDS_ARCHIVE), 
true)

        $(call LogWarn, Creating CDS 
archive for jre image)

-       $(JRE_IMAGE_DIR)/bin/java 
-Xshare:dump -Xmx128M -Xms128M 
$(LOG_INFO)

+       
$(JRE_IMAGE_DIR)/bin/java$(EXE_SUFFIX) 
-Xshare:dump -Xmx128M -Xms128M 
$(LOG_INFO)

         endif

      $(TOUCH) $@

 

diff -r 4bef1957a1d8 
make/autoconf/basics.m4

--- a/make/autoconf/basics.m4     Thu Nov 
22 10:15:32 2018 -0800

+++ b/make/autoconf/basics.m4     Fri Dec 
14 16:31:14 2018 -0800

@@ -223,6 +223,8 @@

       BASIC_FIXUP_PATH_CYGWIN($1)

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

       BASIC_FIXUP_PATH_MSYS($1)

+    elif test "x$OPENJDK_BUILD_OS_ENV" 
= "xwindows.wsl"; then

+      BASIC_FIXUP_PATH_WSL($1)

     else

       # We're on a unix platform. 
Hooray! :)

       path="[$]$1"

@@ -270,6 +272,8 @@

       
BASIC_FIXUP_EXECUTABLE_CYGWIN($1)

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

       BASIC_FIXUP_EXECUTABLE_MSYS($1)

+    elif test "x$OPENJDK_BUILD_OS_ENV" 
= "xwindows.wsl"; then

+      BASIC_FIXUP_EXECUTABLE_WSL($1)

     else

       # We're on a unix platform. 
Hooray! :)

       # First separate the path from 
the arguments. This will split at the 
first

@@ -607,10 +611,13 @@

 

   # These are not required on all 
platforms

   BASIC_PATH_PROGS(CYGPATH, cygpath)

+  BASIC_PATH_PROGS(WSLPATH, wslpath)

   BASIC_PATH_PROGS(DF, df)

   BASIC_PATH_PROGS(CPIO, [cpio 
bsdcpio])

   BASIC_PATH_PROGS(NICE, nice)

   BASIC_PATH_PROGS(PANDOC, pandoc)

+

+  BASIC_PATH_PROGS(CMD, [cmd.exe 
/mnt/c/Windows/System32/cmd.exe])

 ])

 

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

@@ -634,8 +641,10 @@

     BASIC_CHECK_PATHS_WINDOWS

   else

     PATH_SEP=":"

+    EXECUTABLE_SUFFIX=""

   fi

   AC_SUBST(PATH_SEP)

+  AC_SUBST(EXECUTABLE_SUFFIX)

 

   # We get the top-level directory 
from the supporting wrappers.

   AC_MSG_CHECKING([for top-level 
directory])

@@ -980,6 +989,8 @@

             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='x86_64-pc-linux-gnu'

           else

             AC_MSG_ERROR([Unknown 
Windows environment])

           fi

diff -r 4bef1957a1d8 
make/autoconf/basics_windows.m4

--- a/make/autoconf/basics_windows.m4     
Thu Nov 22 10:15:32 2018 -0800

+++ b/make/autoconf/basics_windows.m4     
Fri Dec 14 16:31:14 2018 -0800

@@ -32,6 +32,13 @@

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

     unix_path=`$ECHO "$windows_path" | 
$SED -e 's,^\\(.\\):,/\\1,g' -e 
's,\\\\,/,g'`

     $1="$unix_path"

+  elif test "x$OPENJDK_BUILD_OS_ENV" = 
"xwindows.wsl"; then

+    # wslpath does not check the 
input, only call if an actual windows 
path was

+    # given.

+    if $ECHO "$windows_path" | $GREP 
-q ["^[a-zA-Z]:[\\\\/]"]; then

+      unix_path=`$WSLPATH -u 
"$windows_path"`

+      $1="$unix_path"

+    fi

   fi

 ])

 

@@ -44,6 +51,9 @@

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

     windows_path=`cmd //c echo 
$unix_path`

     $1="$windows_path"

+  elif test "x$OPENJDK_BUILD_OS_ENV" = 
"xwindows.wsl"; then

+    windows_path=`$WSLPATH -m 
"$unix_path"`

+    $1="$windows_path"

   fi

 ])

 

@@ -100,6 +110,31 @@

   fi

 ])

 

+# Helper function which possibly 
converts a path using DOS-style short 
mode.

+# If so, the updated path is stored in 
$new_path.

+# $1: The path to check

+AC_DEFUN([BASIC_MAKE_WINDOWS_SPACE_SAFE_WSL],

+[

+  input_path="$1"

+  # Check if we need to convert this 
using DOS-style short mode. If the path

+  # contains just simple characters, 
use it. Otherwise (spaces, weird 
characters),

+  # take no chances and rewrite it.

+  # Note: m4 eats our [], so we need 
to use @<:@ and @:>@ instead.

+  has_forbidden_chars=`$ECHO 
"$input_path" | $GREP 
[[^-_/:a-zA-Z0-9\\.]]`

+  if test "x$has_forbidden_chars" != 
x; then

+    # Now convert it to mixed 
DOS-style, short mode (no spaces, and / 
instead of \)

+    TOPDIR_windows="$TOPDIR"

+    
BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH([TOPDIR_windows])

+    # First convert to Windows path to 
make input valid for cmd

+    
BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH([input_path])

+    new_path=`$CMD /c 
$TOPDIR_windows/make/scripts/windowsShortName.bat
 "$input_path" \

+        | $SED -e 's|\r||g' \

+        | $TR \\\\\\\\ / | $TR 
'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 
'abcdefghijklmnopqrstuvwxyz'`

+    # Rewrite back to unix style

+    
BASIC_WINDOWS_REWRITE_AS_UNIX_PATH([new_path])

+  fi

+])

+

 # FIXME: The BASIC_FIXUP_*_CYGWIN/MSYS 
is most likely too convoluted

 # and could probably be heavily 
simplified. However, all changes in 
this

 # area tend to need lot of testing in 
different scenarios, and in lack of

@@ -157,6 +192,23 @@

   
all_fixpath_prefixes=("${all_fixpath_prefixes@<:@@@:>@}"
 "${new_path:0:10}")

 ])

 

+AC_DEFUN([BASIC_FIXUP_PATH_WSL],

+[

+  # Input might be given as Windows 
format, start by converting to

+  # unix format.

+  new_path="[$]$1"

+  
BASIC_WINDOWS_REWRITE_AS_UNIX_PATH([new_path])

+

+  # Call helper function which 
possibly converts this using DOS-style 
short mode.

+  # If so, the updated path is stored 
in $new_path.

+  
BASIC_MAKE_WINDOWS_SPACE_SAFE_WSL([$new_path])

+

+  if test "x$path" != "x$new_path"; 
then

+    $1="$new_path"

+    AC_MSG_NOTICE([Rewriting $1 to 
"$new_path"])

+  fi

+])

+

 
AC_DEFUN([BASIC_FIXUP_EXECUTABLE_CYGWIN],

 [

   # First separate the path from the 
arguments. This will split at the first

@@ -305,6 +357,79 @@

   fi

 ])

 

+AC_DEFUN([BASIC_FIXUP_EXECUTABLE_WSL],

+[

+  # First separate the path from the 
arguments. This will split at the first

+  # space.

+  complete="[$]$1"

+  path="${complete%% *}"

+  tmp="$complete EOL"

+  arguments="${tmp#* }"

+

+  # Input might be given as Windows 
format, start by converting to

+  # unix format.

+  new_path="$path"

+  
BASIC_WINDOWS_REWRITE_AS_UNIX_PATH([new_path])

+

+  # Now try to locate executable using 
which

+  new_path_bak="$new_path"

+  new_path=`$WHICH "$new_path" 2> 
/dev/null`

+  # bat and cmd files are not 
considered executable in WSL

+  if test "x$new_path" = x \

+      && test "x`$ECHO \"$path\" | 
$GREP -i -e \"\\.bat$\" -e 
\"\\.cmd$\"`" != x \

+      && test "x`$LS \"$path\" 
2>/dev/null`" != x; then

+    new_path="$new_path_back"

+  fi

+  if test "x$new_path" = x; then

+    # Oops. Which didn't find the 
executable.

+    # The splitting of arguments from 
the executable at a space might have 
been incorrect,

+    # since paths with space are more 
likely in Windows. Give it another try 
with the whole

+    # argument.

+    path="$complete"

+    arguments="EOL"

+    new_path="$path"

+    
BASIC_WINDOWS_REWRITE_AS_UNIX_PATH([new_path])

+    new_path_bak="$new_path"

+    new_path=`$WHICH "$new_path" 2> 
/dev/null`

+    # bat and cmd files are not 
considered executable in WSL

+    if test "x$new_path" = x \

+        && test "x`$ECHO \"$path\" | 
$GREP -i -e \"\\.bat$\" -e 
\"\\.cmd$\"`" != x \

+        && test "x`$LS \"$path\" 
2>/dev/null`" != x; then

+      new_path="$new_path_bak"

+    fi

+    if test "x$new_path" = x; then

+      # It's still not found. Now this 
is an unrecoverable error.

+      AC_MSG_NOTICE([The path of $1, 
which resolves as "$complete", is not 
found.])

+      has_space=`$ECHO "$complete" | 
$GREP " "`

+      if test "x$has_space" != x; then

+        AC_MSG_NOTICE([You might be 
mixing spaces in the path and extra 
arguments, which is not allowed.])

+      fi

+      AC_MSG_ERROR([Cannot locate the 
the path of $1])

+    fi

+  fi

+

+  # In WSL, suffixes must be present 
for Windows executables

+  if test ! -f "$new_path"; then

+    # Try adding .exe or .cmd

+    if test -f "${new_path}.exe"; then

+      
input_to_shortpath="${new_path}.exe"

+    elif test -f "${new_path}.cmd"; 
then

+      
input_to_shortpath="${new_path}.cmd"

+    else

+      AC_MSG_NOTICE([The path of $1, 
which resolves as "$new_path", is 
invalid.])

+      AC_MSG_NOTICE([Neither 
"$new_path" nor "$new_path.exe/cmd" can 
be found])

+      AC_MSG_ERROR([Cannot locate the 
the path of $1])

+    fi

+  else

+    input_to_shortpath="$new_path"

+  fi

+

+  # Call helper function which 
possibly converts this using DOS-style 
short mode.

+  # If so, the updated path is stored 
in $new_path.

+  new_path="$input_to_shortpath"

+  
BASIC_MAKE_WINDOWS_SPACE_SAFE_WSL([$input_to_shortpath])

+])

+

 # Setup basic configuration paths, and 
platform-specific stuff related to 
PATHs.

 AC_DEFUN([BASIC_CHECK_PATHS_WINDOWS],

 [

@@ -339,6 +464,7 @@

     if test "x$test_cygdrive_prefix" = 
x; then

       AC_MSG_ERROR([Your cygdrive 
prefix is not /cygdrive. This is 
currently not supported. Change with 
mount -c.])

     fi

+    EXECUTABLE_SUFFIX=""

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

     AC_MSG_CHECKING([msys release])

     MSYS_VERSION=`$UNAME -r`

@@ -353,8 +479,11 @@

     
BASIC_WINDOWS_REWRITE_AS_UNIX_PATH(MSYS_ROOT_PATH)

     AC_MSG_RESULT([$MSYS_ROOT_PATH])

     
WINDOWS_ENV_ROOT_PATH="$MSYS_ROOT_PATH"

+    EXECUTABLE_SUFFIX=""

+  elif test "x$OPENJDK_BUILD_OS_ENV" = 
"xwindows.wsl"; then

+    EXECUTABLE_SUFFIX=".exe"

   else

-    AC_MSG_ERROR([Unknown Windows 
environment. Neither cygwin nor msys 
was detected.])

+    AC_MSG_ERROR([Unknown Windows 
environment. Neither cygwin, msys, nor 
wsl was detected.])

   fi

 

   # Test if windows or unix 
(cygwin/msys) find is first in path.

@@ -395,6 +524,8 @@

           | tr ' ' '\n' | $GREP '^/./' 
| $SORT | $UNIQ`

       fixpath_argument_list=`echo 
$all_unique_prefixes  | tr ' ' '@'`

       FIXPATH="$FIXPATH_BIN 
-m$fixpath_argument_list"

+    elif test "x$OPENJDK_BUILD_OS_ENV" 
= xwindows.wsl; then

+      FIXPATH="$FIXPATH_BIN -w"

     fi

     FIXPATH_SRC_W="$FIXPATH_SRC"

     FIXPATH_BIN_W="$FIXPATH_BIN"

@@ -412,6 +543,17 @@

       AC_MSG_ERROR([Could not create 
$FIXPATH_BIN])

     fi

     AC_MSG_RESULT([yes])

+

+    if test "x$OPENJDK_BUILD_OS_ENV" = 
"xwindows.wsl"; then

+      OLD_WSLENV="$WSLENV"

+      WSLENV=`$ECHO $WSLENV | $SED 
's/PATH\/l://'`

+      BASIC_APPEND_TO_PATH(WSLENV, 
"FIXPATH_PATH")

+      export WSLENV

+      export 
FIXPATH_PATH=$VS_PATH_WINDOWS

+       AC_MSG_NOTICE([FIXPATH_PATH is 
$FIXPATH_PATH])

+       AC_MSG_NOTICE([Rewriting WSLENV 
from $OLD_WSLENV to $WSLENV])

+    fi

+

     AC_MSG_CHECKING([if fixpath.exe 
works])

     cd $FIXPATH_DIR

     $FIXPATH $CC $FIXPATH_SRC 
-Fe$FIXPATH_DIR/fixpath2.exe \

diff -r 4bef1957a1d8 
make/autoconf/boot-jdk.m4

--- a/make/autoconf/boot-jdk.m4 Thu Nov 
22 10:15:32 2018 -0800

+++ b/make/autoconf/boot-jdk.m4 Fri Dec 
14 16:31:14 2018 -0800

@@ -63,18 +63,18 @@

     # If previous step claimed to have 
found a JDK, check it to see if it 
seems to be valid.

     if test "x$BOOT_JDK_FOUND" = 
xmaybe; then

       # Do we have a bin/java?

-      if test ! -x 
"$BOOT_JDK/bin/java"; then

+      if test ! -x 
"$BOOT_JDK/bin/java$EXECUTABLE_SUFFIX"; 
then

         AC_MSG_NOTICE([Potential Boot 
JDK found at $BOOT_JDK did not contain 
bin/java; ignoring])

         BOOT_JDK_FOUND=no

       else

         # Do we have a bin/javac?

-        if test ! -x 
"$BOOT_JDK/bin/javac"; then

+        if test ! -x 
"$BOOT_JDK/bin/javac$EXECUTABLE_SUFFIX";
 then

           AC_MSG_NOTICE([Potential 
Boot JDK found at $BOOT_JDK did not 
contain bin/javac; ignoring])

           AC_MSG_NOTICE([(This might 
be an JRE instead of an JDK)])

           BOOT_JDK_FOUND=no

         else

           # Oh, this is looking good! 
We probably have found a proper JDK. Is 
it the correct version?

-          
BOOT_JDK_VERSION=`"$BOOT_JDK/bin/java" 
$USER_BOOT_JDK_OPTIONS -version 2>&1 | 
$HEAD -n 1`

+          
BOOT_JDK_VERSION=`"$BOOT_JDK/bin/java$EXECUTABLE_SUFFIX"
 $USER_BOOT_JDK_OPTIONS -version 2>&1 | 
$HEAD -n 1`

           if [ [[ "$BOOT_JDK_VERSION" 
=~ "Picked up" ]] ]; then

             AC_MSG_NOTICE([You have 
_JAVA_OPTIONS or JAVA_TOOL_OPTIONS set. 
This can mess up the build. Please use 
--with-boot-jdk-jvmargs instead.])

             AC_MSG_NOTICE([Java 
reports: "$BOOT_JDK_VERSION".])

@@ -101,7 +101,7 @@

             AC_MSG_CHECKING([for Boot 
JDK])

             AC_MSG_RESULT([$BOOT_JDK])

             AC_MSG_CHECKING([Boot JDK 
version])

-            
BOOT_JDK_VERSION=`"$BOOT_JDK/bin/java" 
$USER_BOOT_JDK_OPTIONS -version 2>&1 | 
$TR '\n\r' '  '`

+            
BOOT_JDK_VERSION=`"$BOOT_JDK/bin/java$EXECUTABLE_SUFFIX"
 $USER_BOOT_JDK_OPTIONS -version 2>&1 | 
$TR '\n\r' '  '`

             
AC_MSG_RESULT([$BOOT_JDK_VERSION])

           fi # end check jdk version

         fi # end check javac

@@ -335,11 +335,11 @@

   AC_SUBST(BOOT_JDK)

 

   # Setup tools from the Boot JDK.

-  BOOTJDK_CHECK_TOOL_IN_BOOTJDK(JAVA, 
java)

-  BOOTJDK_CHECK_TOOL_IN_BOOTJDK(JAVAC, 
javac)

-  
BOOTJDK_CHECK_TOOL_IN_BOOTJDK(JAVADOC, 
javadoc)

-  BOOTJDK_CHECK_TOOL_IN_BOOTJDK(JAR, 
jar)

-  
BOOTJDK_CHECK_TOOL_IN_BOOTJDK(JARSIGNER,
 jarsigner)

+  BOOTJDK_CHECK_TOOL_IN_BOOTJDK(JAVA, 
java$EXECUTABLE_SUFFIX)

+  BOOTJDK_CHECK_TOOL_IN_BOOTJDK(JAVAC, 
javac$EXECUTABLE_SUFFIX)

+  
BOOTJDK_CHECK_TOOL_IN_BOOTJDK(JAVADOC, 
javadoc$EXECUTABLE_SUFFIX)

+  BOOTJDK_CHECK_TOOL_IN_BOOTJDK(JAR, 
jar$EXECUTABLE_SUFFIX)

+  
BOOTJDK_CHECK_TOOL_IN_BOOTJDK(JARSIGNER,
 jarsigner$EXECUTABLE_SUFFIX)

 

   # Finally, set some other options...

 

diff -r 4bef1957a1d8 
make/autoconf/build-aux/config.guess

--- 
a/make/autoconf/build-aux/config.guess   
Thu Nov 22 10:15:32 2018 -0800

+++ 
b/make/autoconf/build-aux/config.guess   
Fri Dec 14 16:31:14 2018 -0800

@@ -60,6 +60,15 @@

   esac

 fi

 

+# Test and fix wsl

+echo $OUT | grep 
x86_64-unknown-linux-gnu > /dev/null 2> 
/dev/null

+if test $? = 0; then

+  uname -r | grep Microsoft > 
/dev/null 2> /dev/null

+  if test $? = 0; then

+    OUT="x86_64-pc-wsl"

+  fi

+fi

+

 # Test and fix architecture string on 
AIX

 # On AIX 'config.guess' returns 
'powerpc' as architecture but 'powerpc' 
is

 # implicitely handled as 32-bit 
architecture in 'platform.m4' so we 
check

diff -r 4bef1957a1d8 
make/autoconf/build-aux/config.sub

--- 
a/make/autoconf/build-aux/config.sub       
Thu Nov 22 10:15:32 2018 -0800

+++ 
b/make/autoconf/build-aux/config.sub       
Fri Dec 14 16:31:14 2018 -0800

@@ -29,7 +29,13 @@

 

 DIR=`dirname $0`

 

-# First, filter out everything that 
doesn't begin with "aarch64-"

+# Allow wsl

+if echo $* | grep x86_64-pc-wsl 
>/dev/null ; then

+    echo $*

+    exit

+fi

+

+# Filter out everything that doesn't 
begin with "aarch64-"

 if ! echo $* | grep '^aarch64-' 
>/dev/null ; then

     . $DIR/autoconf-config.sub "$@"

     # autoconf-config.sub exits, so we 
never reach here, but just in

diff -r 4bef1957a1d8 
make/autoconf/platform.m4

--- a/make/autoconf/platform.m4 Thu Nov 
22 10:15:32 2018 -0800

+++ b/make/autoconf/platform.m4 Fri Dec 
14 16:31:14 2018 -0800

@@ -188,6 +188,10 @@

       VAR_OS=windows

       VAR_OS_ENV=windows.cygwin

       ;;

+    *wsl*)

+      VAR_OS=windows

+      VAR_OS_ENV=windows.wsl

+      ;;

     *mingw*)

       VAR_OS=windows

       VAR_OS_ENV=windows.msys

diff -r 4bef1957a1d8 
make/autoconf/spec.gmk.in

--- a/make/autoconf/spec.gmk.in Thu Nov 
22 10:15:32 2018 -0800

+++ b/make/autoconf/spec.gmk.in Fri Dec 
14 16:31:14 2018 -0800

@@ -122,7 +122,12 @@

 ifeq ($(OPENJDK_TARGET_OS), windows)

   # On Windows, the Visual Studio 
toolchain needs the PATH to be adjusted

   # to include Visual Studio tools 
(this needs to be in cygwin/msys 
style).

-  export PATH:=@VS_PATH@

+  ifeq ($(OPENJDK_TARGET_OS_ENV), 
windows.wsl)

+    export 
FIXPATH_PATH:=@VS_PATH_WINDOWS@

+    export 
WSLENV:=$(WSLENV):FIXPATH_PATH:DEBUG_FIXPATH

+  else

+    export PATH:=@VS_PATH@

+  endif

 endif

 

 SYSROOT_CFLAGS := @SYSROOT_CFLAGS@

diff -r 4bef1957a1d8 
make/autoconf/toolchain.m4

--- a/make/autoconf/toolchain.m4       Thu 
Nov 22 10:15:32 2018 -0800

+++ b/make/autoconf/toolchain.m4       Fri 
Dec 14 16:31:14 2018 -0800

@@ -281,13 +281,13 @@

 

   TOOLCHAIN_CC_BINARY_clang="clang"

   TOOLCHAIN_CC_BINARY_gcc="gcc"

-  TOOLCHAIN_CC_BINARY_microsoft="cl"

+  
TOOLCHAIN_CC_BINARY_microsoft="cl$EXECUTABLE_SUFFIX"

   TOOLCHAIN_CC_BINARY_solstudio="cc"

   TOOLCHAIN_CC_BINARY_xlc="xlc_r"

 

   TOOLCHAIN_CXX_BINARY_clang="clang++"

   TOOLCHAIN_CXX_BINARY_gcc="g++"

-  TOOLCHAIN_CXX_BINARY_microsoft="cl"

+  
TOOLCHAIN_CXX_BINARY_microsoft="cl$EXECUTABLE_SUFFIX"

   TOOLCHAIN_CXX_BINARY_solstudio="CC"

   TOOLCHAIN_CXX_BINARY_xlc="xlC_r"

 

@@ -333,9 +333,17 @@

   if test "x$OPENJDK_BUILD_OS" = 
"xwindows" \

       && test "x$TOOLCHAIN_TYPE" = 
"xmicrosoft"; then

     TOOLCHAIN_SETUP_VISUAL_STUDIO_ENV

-    # Reset path to VS_PATH. It will 
include everything that was on PATH at 
the time we

-    # ran 
TOOLCHAIN_SETUP_VISUAL_STUDIO_ENV.

-    PATH="$VS_PATH"

+    if test "x$OPENJDK_BUILD_OS_ENV" = 
"xwindows.wsl"; then

+      # Append VS_PATH

+      BASIC_APPEND_TO_PATH(PATH, 
$VS_PATH)

+      BASIC_APPEND_TO_PATH(WSLENV, 
"PATH/l:LIB:INCLUDE")

+      export WSLENV

+    else

+      # Reset path to VS_PATH. It will 
include everything that was on PATH at 
the time we

+      # ran 
TOOLCHAIN_SETUP_VISUAL_STUDIO_ENV.

+      BASIC_APPEND_TO_PATH(PATH, 
$VS_PATH)

+      AC_MSG_NOTICE(PATH $PATH)

+    fi

     # The microsoft toolchain also 
requires INCLUDE and LIB to be set.

     export INCLUDE="$VS_INCLUDE"

     export LIB="$VS_LIB"

@@ -430,7 +438,7 @@

     # There is no specific version 
flag, but all output starts with a 
version string.

     # First line typically looks 
something like:

     # Microsoft (R) 32-bit C/C++ 
Optimizing Compiler Version 
16.00.40219.01 for 80x86

-    COMPILER_VERSION_OUTPUT=`$COMPILER 
2>&1 | $HEAD -n 1 | $TR -d '\r'`

+    
COMPILER_VERSION_OUTPUT=`"$COMPILER" 
2>&1 | $GREP -v 
'ERROR.*UtilTranslatePathList' | $HEAD 
-n 1 | $TR -d '\r'`

     # Check that this is likely to be 
Microsoft CL.EXE.

     $ECHO "$COMPILER_VERSION_OUTPUT" | 
$GREP "Microsoft.*Compiler" > /dev/null

     if test $? -ne 0; then

@@ -698,7 +706,7 @@

     # In the Microsoft toolchain we 
have a separate LD command "link".

     # Make sure we reject 
/usr/bin/link (as determined in 
CYGWIN_LINK), which is

     # a cygwin program for something 
completely different.

-    AC_CHECK_PROG([LD], 
[link],[link],,, [$CYGWIN_LINK])

+    AC_CHECK_PROG([LD], 
[link.exe],[link.exe],,, 
[$CYGWIN_LINK])

     BASIC_FIXUP_EXECUTABLE(LD)

     # Verify that we indeed succeeded 
with this trick.

     AC_MSG_CHECKING([if the found 
link.exe is actually the Visual Studio 
linker])

@@ -750,7 +758,7 @@

   #

   if test "x$TOOLCHAIN_TYPE" = 
xmicrosoft; then

     # The corresponding ar tool is 
lib.exe (used to create static 
libraries)

-    AC_CHECK_PROG([AR], 
[lib],[lib],,,)

+    AC_CHECK_PROG([AR], 
[lib.exe],[lib.exe],,,)

   elif test "x$TOOLCHAIN_TYPE" = xgcc; 
then

     BASIC_CHECK_TOOLS(AR, ar gcc-ar)

   else

@@ -774,12 +782,12 @@

   fi

 

   if test "x$TOOLCHAIN_TYPE" = 
xmicrosoft; then

-    AC_CHECK_PROG([MT], [mt], [mt],,, 
[/usr/bin/mt])

+    AC_CHECK_PROG([MT], [mt.exe], 
[mt.exe],,, [/usr/bin/mt])

     BASIC_FIXUP_EXECUTABLE(MT)

     # Setup the resource compiler (RC)

-    AC_CHECK_PROG([RC], [rc], [rc],,, 
[/usr/bin/rc])

+    AC_CHECK_PROG([RC], [rc.exe], 
[rc.exe],,, [/usr/bin/rc])

     BASIC_FIXUP_EXECUTABLE(RC)

-    AC_CHECK_PROG([DUMPBIN], 
[dumpbin], [dumpbin],,,)

+    AC_CHECK_PROG([DUMPBIN], 
[dumpbin.exe], [dumpbin.exe],,,)

     BASIC_FIXUP_EXECUTABLE(DUMPBIN)

     # We need to check for 
'msbuild.exe' because at the place 
where we expect to

     # find 'msbuild.exe' there's also 
a directory called 'msbuild' and 
configure

@@ -999,7 +1007,7 @@

   # Check for extra potential 
brokenness.

   if test  "x$TOOLCHAIN_TYPE" = 
xmicrosoft; then

     # On Windows, double-check that we 
got the right compiler.

-    CC_VERSION_OUTPUT=`$CC 2>&1 | 
$HEAD -n 1 | $TR -d '\r'`

+    CC_VERSION_OUTPUT=`$CC 2>&1 | 
$GREP -v 'ERROR.*UtilTranslatePathList' 
| $HEAD -n 1 | $TR -d '\r'`

     COMPILER_CPU_TEST=`$ECHO 
$CC_VERSION_OUTPUT | $SED -n "s/^.* 
\(.*\)$/\1/p"`

     if test "x$OPENJDK_TARGET_CPU" = 
"xx86"; then

       if test "x$COMPILER_CPU_TEST" != 
"x80x86" -a "x$COMPILER_CPU_TEST" != 
"xx86"; then

diff -r 4bef1957a1d8 
make/autoconf/toolchain_windows.m4

--- 
a/make/autoconf/toolchain_windows.m4       
Thu Nov 22 10:15:32 2018 -0800

+++ 
b/make/autoconf/toolchain_windows.m4       
Fri Dec 14 16:31:14 2018 -0800

@@ -115,7 +115,7 @@

         
VCVARSFILES="vc/bin/vcvars32.bat 
vc/auxiliary/build/vcvars32.bat"

       else

         
VCVARSFILES="vc/bin/amd64/vcvars64.bat 
vc/bin/x86_amd64/vcvarsx86_amd64.bat \

-            
vc/auxiliary/build/vcvarsx86_amd64.bat 
vc/auxiliary/build/vcvars64.bat"

+            
VC/Auxiliary/Build/vcvarsx86_amd64.bat 
VC/Auxiliary/Build/vcvars64.bat"

       fi

 

       for VCVARSFILE in $VCVARSFILES; 
do

@@ -222,7 +222,6 @@

       [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}],

@@ -339,7 +338,7 @@

 [

   # 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)

+  AC_PATH_PROG(CYGWIN_LINK, link.exe)

   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

@@ -372,8 +371,13 @@

       # 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])

+

+      if test "x$OPENJDK_BUILD_OS_ENV" 
= "xwindows.wsl"; then

+        WINPATH_BASH="bash"

+      else

+        WINPATH_BASH="$BASH"

+        
BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH([WINPATH_BASH])

+      fi

 

       # 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.

@@ -381,7 +385,7 @@

       $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

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

       # In some cases, the VS_ENV_CMD 
will change directory, change back so

       # the set-vs-env.sh ends up in 
the right place.

       $ECHO 'cd %~dp0' >> 
$EXTRACT_VC_ENV_BAT_FILE

@@ -389,33 +393,38 @@

       # 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' \

+      # Trying pure CMD extract. This 
results in windows paths that need to

+      # be converted post extraction, 
but a simpler script.

+      $ECHO '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' \

+      $ECHO 'echo 
VS_INCLUDE="%INCLUDE% " >> 
set-vs-env.sh' \

           >> $EXTRACT_VC_ENV_BAT_FILE

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

+      $ECHO 'echo VS_LIB="%LIB% " >> 
set-vs-env.sh' \

+          >> $EXTRACT_VC_ENV_BAT_FILE

+      $ECHO 'echo 
VCINSTALLDIR="%VCINSTALLDIR% " >> 
set-vs-env.sh' \

           >> $EXTRACT_VC_ENV_BAT_FILE

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

+      $ECHO 'echo 
WindowsSdkDir="%WindowsSdkDir% " >> 
set-vs-env.sh' \

           >> $EXTRACT_VC_ENV_BAT_FILE

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

+      $ECHO '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

+      $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([Could not 
succesfully extract the environment 
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

 

+      # Remove windows line endings

+      $SED -i -e 's|\r||g' 
$VS_ENV_TMP_DIR/set-vs-env.sh

+

       # 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])

@@ -455,9 +464,27 @@

       AC_SUBST(VS_INCLUDE)

       AC_SUBST(VS_LIB)

 

-      # Convert VS_INCLUDE into 
SYSROOT_CFLAGS

+      # Convert VS_PATH to unix style

       OLDIFS="$IFS"

       IFS=";"

+      VS_PATH_WINDOWS="$VS_PATH"

+      VS_PATH=""

+      for i in $VS_PATH_WINDOWS; do

+        path=$i

+        # Only process non-empty 
elements

+        if test "x$path" != x; then

+          IFS="$OLDIFS"

+          # Check that directory 
exists before calling fixup_path

+          testpath=$path

+          
BASIC_WINDOWS_REWRITE_AS_UNIX_PATH([testpath])

+          if test -d "$testpath"; then

+            BASIC_FIXUP_PATH([path])

+            
BASIC_APPEND_TO_PATH(VS_PATH, $path)

+          fi

+          IFS=";"

+        fi

+      done

+      # Convert VS_INCLUDE into 
SYSROOT_CFLAGS

       for i in $VS_INCLUDE; do

         ipath=$i

         # Only process non-empty 
elements

@@ -490,6 +517,8 @@

         fi

       done

       IFS="$OLDIFS"

+

+      AC_SUBST(VS_PATH_WINDOWS)

     fi

   else

     AC_MSG_RESULT([not found])

@@ -600,10 +629,10 @@

       
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`

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

       else

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

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

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

       fi

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

           [search of VS100COMNTOOLS])

@@ -616,14 +645,14 @@

     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`

+        | $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`

+        | $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`

+          | $HEAD --lines 1`

         fi

       fi

 

@@ -693,7 +722,7 @@

   if test "x$USE_UCRT" = "xtrue"; then

     AC_MSG_CHECKING([for UCRT DLL 
dir])

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

-      if test -z "$(ls -d 
"$with_ucrt_dll_dir/*.dll" 2> 
/dev/null)"; then

+      if test -z "$(ls -d 
$with_ucrt_dll_dir/*.dll 2> 
/dev/null)"; then

         AC_MSG_RESULT([no])

         AC_MSG_ERROR([Could not find 
any dlls in $with_ucrt_dll_dir])

       else

@@ -713,8 +742,16 @@

       fi

       
UCRT_DLL_DIR="$CYGWIN_WINDOWSSDKDIR/Redist/ucrt/DLLs/$dll_subdir"

       if test -z "$(ls -d 
"$UCRT_DLL_DIR/"*.dll 2> /dev/null)"; 
then

-        AC_MSG_RESULT([no])

-        AC_MSG_ERROR([Could not find 
any dlls in $UCRT_DLL_DIR])

+        # Try with version subdir

+        UCRT_DLL_DIR="`ls -d 
$CYGWIN_WINDOWSSDKDIR/Redist/*/ucrt/DLLs/$dll_subdir
 \

+            2> /dev/null | $SORT -d | 
$HEAD -n1`"

+        if test -z "$UCRT_DLL_DIR" \

+            || test -z "$(ls -d 
"$UCRT_DLL_DIR/"*.dll 2> /dev/null)"; 
then

+          AC_MSG_RESULT([no])

+          AC_MSG_ERROR([Could not find 
any dlls in $UCRT_DLL_DIR])

+        else

+          AC_MSG_RESULT($UCRT_DLL_DIR)

+        fi

       else

         AC_MSG_RESULT($UCRT_DLL_DIR)

       fi

diff -r 4bef1957a1d8 
make/gendata/Gendata-java.base.gmk

--- 
a/make/gendata/Gendata-java.base.gmk       
Thu Nov 22 10:15:32 2018 -0800

+++ 
b/make/gendata/Gendata-java.base.gmk       
Fri Dec 14 16:31:14 2018 -0800

@@ -55,7 +55,7 @@

 $(GENDATA_CURDATA): 
$(TOPDIR)/make/data/currency/CurrencyData.properties
 $(BUILD_TOOLS_JDK)

      $(call MakeDir, $(@D))

      $(RM) $@

-     $(TOOL_GENERATECURRENCYDATA) -o 
$@.tmp < $<

+     $(TOOL_GENERATECURRENCYDATA) -o 
$@.tmp -i $<

      $(MV) $@.tmp $@

      $(CHMOD) 444 $@

 

diff -r 4bef1957a1d8 
make/gensrc/GensrcBuffer.gmk

--- a/make/gensrc/GensrcBuffer.gmk   Thu 
Nov 22 10:15:32 2018 -0800

+++ b/make/gensrc/GensrcBuffer.gmk   Fri 
Dec 14 16:31:14 2018 -0800

@@ -230,7 +230,8 @@

   endif

 

   $$($1_DST): $$($1_DEP) 
$(GENSRC_BUFFER_DST)/_the.buffer.dir

-     $(TOOL_SPP) < $$($1_SRC) > 
$$($1_OUT).tmp \

+     $(RM) $$($1_OUT).tmp

+     $(TOOL_SPP) -i$$($1_SRC) 
-o$$($1_OUT).tmp \

          -K$$($1_type) \

          -K$$($1_category) \

          -K$$($1_streams) \

@@ -260,12 +261,12 @@

         ifeq ($$($1_BIN), 1)

        $(SED) -e '/#BIN/,$$$$d' < 
$$($1_OUT) > $$($1_DST).tmp

        $(RM) $$($1_OUT)

-       $$($1_char_CMD) < $$($1_SRC_BIN) 
>> $$($1_DST).tmp

-       $$($1_short_CMD) < $$($1_SRC_BIN) 
>> $$($1_DST).tmp

-       $$($1_int_CMD) < $$($1_SRC_BIN) 
>> $$($1_DST).tmp

-       $$($1_long_CMD) < $$($1_SRC_BIN) 
>> $$($1_DST).tmp

-       $$($1_float_CMD) < $$($1_SRC_BIN) 
>> $$($1_DST).tmp

-       $$($1_double_CMD) < 
$$($1_SRC_BIN) >> $$($1_DST).tmp

+       $$($1_char_CMD) -i$$($1_SRC_BIN) 
-o$$($1_DST).tmp

+       $$($1_short_CMD) -i$$($1_SRC_BIN) 
-o$$($1_DST).tmp

+       $$($1_int_CMD) -i$$($1_SRC_BIN) 
-o$$($1_DST).tmp

+       $$($1_long_CMD) -i$$($1_SRC_BIN) 
-o$$($1_DST).tmp

+       $$($1_float_CMD) -i$$($1_SRC_BIN) 
-o$$($1_DST).tmp

+       $$($1_double_CMD) 
-i$$($1_SRC_BIN) -o$$($1_DST).tmp

        $(PRINTF) "}\n" >> $$($1_DST).tmp

        mv $$($1_DST).tmp $$($1_DST)

         endif

diff -r 4bef1957a1d8 
make/gensrc/GensrcCharsetCoder.gmk

--- 
a/make/gensrc/GensrcCharsetCoder.gmk       
Thu Nov 22 10:15:32 2018 -0800

+++ 
b/make/gensrc/GensrcCharsetCoder.gmk       
Fri Dec 14 16:31:14 2018 -0800

@@ -36,7 +36,7 @@

 
$(GENSRC_CHARSETCODER_DST)/CharsetDecoder.java:
 $(GENSRC_CHARSETCODER_TEMPLATE)

      $(call MakeTargetDir)

      $(RM) $@.tmp

-     $(TOOL_SPP) < $< >$@.tmp \

+     $(TOOL_SPP) -i$< -o$@.tmp \

          -Kdecoder \

          -DA='A' \

          -Da='a' \

@@ -71,7 +71,7 @@

 
$(GENSRC_CHARSETCODER_DST)/CharsetEncoder.java:
 $(GENSRC_CHARSETCODER_TEMPLATE)

      $(call MakeTargetDir)

      $(RM) $@.tmp

-     $(TOOL_SPP) < $< >$@.tmp \

+     $(TOOL_SPP) -i$< -o$@.tmp \

          -Kencoder \

          -DA='An' \

          -Da='an' \

diff -r 4bef1957a1d8 
make/gensrc/GensrcVarHandles.gmk

--- a/make/gensrc/GensrcVarHandles.gmk   
Thu Nov 22 10:15:32 2018 -0800

+++ b/make/gensrc/GensrcVarHandles.gmk   
Fri Dec 14 16:31:14 2018 -0800

@@ -59,8 +59,9 @@

        $$(eval $1_type := $$$$(shell 
$(TR) '[:upper:]' '[:lower:]' <<< 
$$$$($1_Type)))

         endif

      $$(call MakeDir, $$(@D))

+     $(RM) $$@

      $(TOOL_SPP) -nel -K$$($1_type) 
-Dtype=$$($1_type) -DType=$$($1_Type) \

-         $$($1_ARGS) < $$< > $$@

+         $$($1_ARGS) -i$$< -o$$@

 

   GENSRC_VARHANDLES += $$($1_FILENAME)

 endef

@@ -147,10 +148,11 @@

 

   $$($1_FILENAME): 
$(VARHANDLES_SRC_DIR)/X-VarHandleByteArrayView.java.template
 $(BUILD_TOOLS_JDK)

      $$(call MakeDir, $$(@D))

+     $(RM) $$@

      $(TOOL_SPP) -nel -K$$($1_type) \

          -Dtype=$$($1_type) 
-DType=$$($1_Type) 
-DBoxType=$$($1_BoxType) \

          -DrawType=$$($1_rawType) 
-DRawType=$$($1_RawType) 
-DRawBoxType=$$($1_RawBoxType) \

-         $$($1_ARGS) < $$< > $$@

+         $$($1_ARGS) -i$$< -o$$@

 

   GENSRC_VARHANDLES += $$($1_FILENAME)

 endef

diff -r 4bef1957a1d8 
make/jdk/src/classes/build/tools/generatecurrencydata/GenerateCurrencyData.java

--- 
a/make/jdk/src/classes/build/tools/generatecurrencydata/GenerateCurrencyData.java
     Thu Nov 22 10:15:32 2018 -0800

+++ 
b/make/jdk/src/classes/build/tools/generatecurrencydata/GenerateCurrencyData.java
     Fri Dec 14 16:31:14 2018 -0800

@@ -28,7 +28,9 @@

 import java.io.IOException;

 import java.io.FileNotFoundException;

 import java.io.DataOutputStream;

+import java.io.FileInputStream;

 import java.io.FileOutputStream;

+import java.io.InputStream;

 import java.text.SimpleDateFormat;

 import java.util.Date;

 import java.util.HashMap;

@@ -134,19 +136,44 @@

     private static String 
currenciesWithMinorUnitsUndefined;

 

     public static void main(String[] 
args) {

-

+         InputStream in = System.in;

         // Look for "-o 
outputfilename" option

-        if ( args.length == 2 && 
args[0].equals("-o") ) {

-            try {

-                out = new 
DataOutputStream(new 
FileOutputStream(args[1]));

-            } catch ( 
FileNotFoundException e ) {

-                
System.err.println("Error: " + 
e.getMessage());

-                
e.printStackTrace(System.err);

-                System.exit(1);

-            }

-        } else {

-            System.err.println("Error: 
Illegal arg count");

-            System.exit(1);

+        for (int n = 0; n < 
args.length; ++n) {

+            if (args[n].equals("-o")) 
{

+                          ++n;

+                          if (n >= args.length) {

+                                 
System.err.println("Error: Invalid 
argument format");

+                                 System.exit(1);

+                          }

+                          try {

+                                 out = new 
DataOutputStream(new 
FileOutputStream(args[n]));

+                          } catch ( 
FileNotFoundException e ) {

+                                 
System.err.println("Error: " + 
e.getMessage());

+                                 
e.printStackTrace(System.err);

+                                 System.exit(1);

+                          }

+                   } else if 
(args[n].equals("-i")) {

+                          ++n;

+                          if (n >= args.length) {

+                                 
System.err.println("Error: Invalid 
argument format");

+                                 System.exit(1);

+                          }

+                          try {

+                                 in = new 
FileInputStream(args[n]);

+                          } catch ( 
FileNotFoundException e ) {

+                                 
System.err.println("Error: " + 
e.getMessage());

+                                 
e.printStackTrace(System.err);

+                                 System.exit(1);

+                          }

+                   } else {

+                          
System.err.println("Error: Invalid 
argument " + args[n]);

+                          System.exit(1);

+                   }

+        }

+

+        if (out == null) {

+                   System.err.println("Error: 
Invalid argument format");

+                   System.exit(1);

         }

 

         format = new 
SimpleDateFormat("yyyy-MM-dd-HH-mm-ss", 
Locale.US);

@@ -154,7 +181,7 @@

         format.setLenient(false);

 

         try {

-            readInput();

+            readInput(in);

             
buildMainAndSpecialCaseTables();

             buildOtherTables();

             writeOutput();

@@ -167,9 +194,9 @@

         }

     }

 

-    private static void readInput() 
throws IOException {

+    private static void 
readInput(InputStream in) throws 
IOException {

         currencyData = new 
Properties();

-        currencyData.load(System.in);

+        currencyData.load(in);

 

         // initialize other lookup 
strings

         formatVersion = (String) 
currencyData.get("formatVersion");

diff -r 4bef1957a1d8 
make/jdk/src/classes/build/tools/spp/Spp.java

--- 
a/make/jdk/src/classes/build/tools/spp/Spp.java
 Thu Nov 22 10:15:32 2018 -0800

+++ 
b/make/jdk/src/classes/build/tools/spp/Spp.java
 Fri Dec 14 16:31:14 2018 -0800

@@ -25,6 +25,8 @@

 

 package build.tools.spp;

 

+import java.io.FileInputStream;

+import java.io.FileOutputStream;

 import java.util.*;

 import java.util.regex.*;

 

@@ -69,6 +71,8 @@

         Set<String> keys = new 
HashSet<>();

         boolean be = false;

         boolean el = true;

+            String inputFile = null;

+            String outputFile = null;

 

         for (String arg:args) {

             if (arg.startsWith("-D")) 
{

@@ -76,6 +80,10 @@

                 
vars.put(arg.substring(2, 
i),arg.substring(i+1));

             } else if 
(arg.startsWith("-K")) {

                 
keys.add(arg.substring(2));

+            } else if 
(arg.startsWith("-i")) {

+                inputFile = 
arg.substring(2);

+            } else if 
(arg.startsWith("-o")) {

+                outputFile = 
arg.substring(2);

             } else if 
("-be".equals(arg)) {

                 be = true;

             } else if 
("-nel".equals(arg)) {

@@ -87,11 +95,11 @@

         }

 

         StringBuffer out = new 
StringBuffer();

-        new Spp().spp(new 
Scanner(System.in),

+        new Spp().spp(new Scanner(new 
FileInputStream(inputFile)),

                       out, "",

                       keys, vars, be, 
el,

                       false);

-        
System.out.print(out.toString());

+        new 
FileOutputStream(outputFile, 
true).write(out.toString().getBytes());

     }

 

     static final String LNSEP = 
System.getProperty("line.separator");

diff -r 4bef1957a1d8 
make/scripts/windowsShortName.bat

--- /dev/null     Thu Jan 01 00:00:00 
1970 +0000

+++ b/make/scripts/windowsShortName.bat 
Fri Dec 14 16:31:14 2018 -0800

@@ -0,0 +1,24 @@

+@echo off

+REM

+REM Copyright (c) 2018, Oracle and/or 
its affiliates. All rights reserved.

+REM DO NOT ALTER OR REMOVE COPYRIGHT 
NOTICES OR THIS FILE HEADER.

+REM

+REM This code is free software; you 
can redistribute it and/or modify it

+REM under the terms of the GNU General 
Public License version 2 only, as

+REM published by the Free Software 
Foundation.

+REM

+REM This code is distributed in the 
hope that it will be useful, but 
WITHOUT

+REM ANY WARRANTY; without even the 
implied warranty of MERCHANTABILITY or

+REM FITNESS FOR A PARTICULAR PURPOSE.  
See the GNU General Public License

+REM version 2 for more details (a copy 
is included in the LICENSE file that

+REM accompanied this code).

+REM

+REM You should have received a copy of 
the GNU General Public License version

+REM 2 along with this work; if not, 
write to the Free Software Foundation,

+REM Inc., 51 Franklin St, Fifth Floor, 
Boston, MA 02110-1301 USA.

+REM

+REM Please contact Oracle, 500 Oracle 
Parkway, Redwood Shores, CA 94065 USA

+REM or visit www.oracle.com if you 
need additional information or have any

+REM questions.

+REM

+if '%1' NEQ '' echo %~s1

diff -r 4bef1957a1d8 
make/src/native/fixpath.c

--- a/make/src/native/fixpath.c Thu Nov 
22 10:15:32 2018 -0800

+++ b/make/src/native/fixpath.c Fri Dec 
14 16:31:14 2018 -0800

@@ -24,6 +24,7 @@

  */

 

 #include <Windows.h>

+#include <stdbool.h>

 #include <io.h>

 #include <stdio.h>

 #include <string.h>

@@ -53,25 +54,16 @@

 }

 

 /*

- * Test if pos points to /cygdrive/_/ 
where _ can

+ * Test if pos points to /prefix/_/ 
where _ can

  * be any character.

  */

-int is_cygdrive_here(int pos, char 
const *in, int len)

+int is_prefix_here(int pos, char const 
*in, int len, const char* prefix)

 {

-  // Length of /cygdrive/c/ is 12

-  if (pos+12 > len) return 0;

-  if (in[pos+11]=='/' &&

-      in[pos+9]=='/' &&

-      in[pos+8]=='e' &&

-      in[pos+7]=='v' &&

-      in[pos+6]=='i' &&

-      in[pos+5]=='r' &&

-      in[pos+4]=='d' &&

-      in[pos+3]=='g' &&

-      in[pos+2]=='y' &&

-      in[pos+1]=='c' &&

-      in[pos+0]=='/') {

-    return 1;

+  // Length of c/ is 2

+  int prefix_size = strlen(prefix);

+  if (pos+prefix_size+2 > len) return 
0;

+  if (in[pos+prefix_size+1]=='/') {

+    return strncmp(in + pos, prefix, 
prefix_size) == 0;

   }

   return 0;

 }

@@ -93,7 +85,7 @@

   }

 

   for (i = 0, j = 0; i<len;) {

-    if (is_cygdrive_here(i, in, len)) 
{

+    if (is_prefix_here(i, in, len, 
"/cygdrive/")) {

       out[j++] = in[i+10];

       out[j++] = ':';

       i+=11;

@@ -196,7 +188,39 @@

   return str;

 }

 

+/*

+ * Replace /mnt/_/ with _:/

+ * Works in place since drive letter 
is always

+ * shorter than /mnt/

+ */

+char *replace_cygdrive_wsl(char const 
*in)

+{

+  size_t len = strlen(in);

+  char *out = (char*) malloc(len+1);

+  int i,j;

+

+  if (len < 7) {

+    memmove(out, in, len + 1);

+    return out;

+  }

+

+  for (i = 0, j = 0; i<len;) {

+    if (is_prefix_here(i, in, len, 
"/mnt/")) {

+      out[j++] = in[i+5];

+      out[j++] = ':';

+      i+=6;

+    } else {

+      out[j] = in[i];

+      i++;

+      j++;

+    }

+  }

+  out[j] = '\0';

+  return out;

+}

+

 char*(*replace_cygdrive)(char const 
*in) = NULL;

+bool debug_fixpath = false;

 

 char *files_to_delete[1024];

 int num_files_to_delete = 0;

@@ -250,11 +274,11 @@

     append(&buffer, &buflen, &used, 
block, blocklen);

   }

   buffer[used] = 0;

-  if (getenv("DEBUG_FIXPATH") != NULL) 
{

+  if (debug_fixpath) {

     fprintf(stderr, "fixpath input 
from @-file %s: %s\n", &in[1], buffer);

   }

   fixed = replace_cygdrive(buffer);

-  if (getenv("DEBUG_FIXPATH") != NULL) 
{

+  if (debug_fixpath) {

     fprintf(stderr, "fixpath converted 
to @-file %s is: %s\n", name, fixed);

   }

   fwrite(fixed, strlen(fixed), 1, 
atout);

@@ -362,28 +386,36 @@

     DWORD processFlags = 0;

     BOOL processInheritHandles = TRUE;

     BOOL waitForChild = TRUE;

+     char* fixpathPath;

 

-    if (argc<2 || argv[1][0] != '-' || 
(argv[1][1] != 'c' && argv[1][1] != 
'm')) {

-        fprintf(stderr, "Usage: 
fixpath -c|m<path@path@...> [--detach] 
/cygdrive/c/WINDOWS/notepad.exe 
[/cygdrive/c/x/test.txt|@/cygdrive/c/x/atfile]\n");

+     debug_fixpath = 
(getenv("DEBUG_FIXPATH") != NULL);

+

+    if (argc<2 || argv[1][0] != '-' || 
(argv[1][1] != 'c' && argv[1][1] != 'm' 
&& argv[1][1] != 'w')) {

+        fprintf(stderr, "Usage: 
fixpath -c|m|w<path@path@...> 
[--detach] 
/cygdrive/c/WINDOWS/notepad.exe 
[/cygdrive/c/x/test.txt|@/cygdrive/c/x/atfile]\n");

         exit(0);

     }

 

-    if (getenv("DEBUG_FIXPATH") != 
NULL) {

+    if (debug_fixpath) {

       char const * cmdline = 
GetCommandLine();

       fprintf(stderr, "fixpath input 
line >%s<\n", strstr(cmdline, 
argv[1]));

     }

 

     if (argv[1][1] == 'c' && 
argv[1][2] == '\0') {

-      if (getenv("DEBUG_FIXPATH") != 
NULL) {

+      if (debug_fixpath) {

         fprintf(stderr, "fixpath using 
cygwin mode\n");

       }

       replace_cygdrive = 
replace_cygdrive_cygwin;

     } else if (argv[1][1] == 'm') {

-      if (getenv("DEBUG_FIXPATH") != 
NULL) {

+      if (debug_fixpath) {

         fprintf(stderr, "fixpath using 
msys mode, with path list: %s\n", 
&argv[1][2]);

       }

       setup_msys_path_list(argv[1]);

       replace_cygdrive = 
replace_cygdrive_msys;

+     } else if (argv[1][1] == 'w') {

+      if (debug_fixpath) {

+        fprintf(stderr, "fixpath using 
wsl mode, with path list: %s\n", 
&argv[1][2]);

+      }

+      replace_cygdrive = 
replace_cygdrive_wsl;

     } else {

       fprintf(stderr, "fixpath Unknown 
mode: %s\n", argv[1]);

       exit(-1);

@@ -391,7 +423,7 @@

 

     if (argv[2][0] == '-') {

       if (strcmp(argv[2], "--detach") 
== 0) {

-        if (getenv("DEBUG_FIXPATH") != 
NULL) {

+        if (debug_fixpath) {

           fprintf(stderr, "fixpath in 
detached mode\n");

         }

         processFlags |= 
DETACHED_PROCESS;

@@ -417,7 +449,7 @@

         var[var_len - 1] = '\0';

         strupr(var);

 

-        if (getenv("DEBUG_FIXPATH") != 
NULL) {

+        if (debug_fixpath) {

           fprintf(stderr, "fixpath 
setting var >%s< to >%s<\n", var, val);

         }

 

@@ -480,12 +512,12 @@

     }

     *current = '\0';

 

-    if (getenv("DEBUG_FIXPATH") != 
NULL) {

+    if (debug_fixpath) {

       fprintf(stderr, "fixpath 
converted line >%s<\n", line);

     }

 

     if (cmd == argc) {

-       if (getenv("DEBUG_FIXPATH") != 
NULL) {

+       if (debug_fixpath) {

          fprintf(stderr, "fixpath no 
command provided!\n");

        }

        exit(0);

@@ -498,6 +530,23 @@

     fflush(stderr);

     fflush(stdout);

 

+     fixpathPath = calloc(32767, 
sizeof(char));

+    rc = 
GetEnvironmentVariable("FIXPATH_PATH", 
fixpathPath, 32767);

+    if (rc) {

+      if (debug_fixpath) {

+        fprintf(stderr, "Setting Path 
to FIXPATH_PATH: %s\n", fixpathPath);

+      }

+      rc = 
SetEnvironmentVariable("Path", 
fixpathPath);

+      if (!rc) {

+        // Could not set Path for some 
reason.  Try to report why.

+        const int msg_len = 80 + 
strlen(fixpathPath);

+        char * msg = (char 
*)alloca(msg_len);

+        _snprintf_s(msg, msg_len, 
_TRUNCATE, "Could not set environment 
variable [Path=%s]", fixpathPath);

+        report_error(msg);

+        exit(1);

+      }

+    }

+

     rc = CreateProcess(NULL,

                        line,

                        0,

@@ -518,7 +567,7 @@

       WaitForSingleObject(pi.hProcess, 
INFINITE);

       GetExitCodeProcess(pi.hProcess, 
&exitCode);

 

-      if (getenv("DEBUG_FIXPATH") != 
NULL) {

+      if (debug_fixpath) {

         for (i=0; 
i<num_files_to_delete; ++i) {

           fprintf(stderr, "fixpath Not 
deleting temporary file %s\n",

                   files_to_delete[i]);

@@ -530,13 +579,13 @@

       }

 

       if (exitCode != 0) {

-        if (getenv("DEBUG_FIXPATH") != 
NULL) {

+        if (debug_fixpath) {

           fprintf(stderr, "fixpath 
exit code %d\n",

                   exitCode);

         }

       }

     } else {

-      if (getenv("DEBUG_FIXPATH") != 
NULL) {

+      if (debug_fixpath) {

         fprintf(stderr, "fixpath Not 
waiting for child process");

       }

     }

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