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Date:	Tue, 16 Nov 2021 17:11:13 +0900
To:	cygwin AT cygwin DOT com
Subject:	Re: Cygwin 3.3.0 regression: "make" segmentation faults
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From:	Takashi Yano via Cygwin <cygwin AT cygwin DOT com>
Reply-To:	Takashi Yano <takashi DOT yano AT nifty DOT ne DOT jp>
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On Mon, 15 Nov 2021 17:47:58 +0100
Aleksey Shipilev wrote:
> OpenJDK project uses Cygwin to drive the OpenJDK build system under Windows. Recently, our GitHub 
> Actions (GHA) Windows runs started to fail with make SEGV-ing:
>      https://bugs.openjdk.java.net/browse/JDK-8276854
> 
> This also reproduces locally for me, with the standard OpenJDK Windows build. All sightings we had 
> are on Windows 10, but it is unclear if it is Windows 10 specific.
> 
> The reproducer would be a bit hairy, because it requires MSVC 2019, JDK 17 binary, and some other 
> dependencies to be installed for OpenJDK build. It goes like this:
> 
> ------- 8< ------- ------- ------- ------- ------- ------- ------- -------
> 
> <open Cygwin shell>
> $ git clone https://github.com/openjdk/jdk/ jdk
> $ cd jdk
> $ sh ./configure --with-boot-jdk=<jdk17-binary> --disable-warnings-as-errors
> $ make clean jdk
>     ...
> Compiling 8 files for BUILD_TOOLS_LANGTOOLS
> Compiling 1 files for BUILD_TOOLS_HOTSPOT
> Compiling 12 properties into resource bundles for jdk.jdeps
> /usr/bin/bash: line 1:  1588 Segmentation fault      (core dumped) /usr/bin/make -s -r -R -I
> /cygdrive/d/a/jdk17u/jdk17u/jdk/make/common
> SPEC=/cygdrive/d/a/jdk17u/jdk17u/jdk/build/windows-x64/spec.gmk MAKE_LOG_FLAGS="-s" -f
> ModuleWrapper.gmk -I /cygdrive/d/a/jdk17u/jdk17u/jdk/make/common/modules
> -I/cygdrive/d/a/jdk17u/jdk17u/jdk/make/modules/java.base MODULE=java.base MAKEFILE_PREFIX=Copy
> make[2]: *** [make/Main.gmk:157: java.base-copy] Error 139
> make[2]: *** Waiting for unfinished jobs....
> Compiling 7 properties into resource bundles for jdk.jshell
> 
> ------- 8< ------- ------- ------- ------- ------- ------- ------- -------

Thanks for the report.
I could reproduce the problem and found that the cause is
the same with:
https://cygwin.com/pipermail/cygwin/2021-November/249913.html

I will submit the patch for these issues shortly.

-- 
Takashi Yano <takashi DOT yano AT nifty DOT ne DOT jp>

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