RFR: JDK-8245093 WSL support broke cygwin toolchain detection

[Erik Joelsson]

Looks good.

/Erik

On 2020-05-15 04:39, Magnus Ihse Bursie wrote:
> Unfortunately, the fixes for WSL changed the behavior so the 
> autodetection of toolchain does not work on cygwin (but providing 
> devkit does work, that's why I did not discover this).
>
> Windows and unix emulation environments are really a whack-a-mole... :(
>
> Bug: https://bugs.openjdk.java.net/browse/JDK-8245093
> Patch inline:
> diff --git a/make/autoconf/basic_tools.m4 b/make/autoconf/basic_tools.m4
> --- a/make/autoconf/basic_tools.m4
> +++ b/make/autoconf/basic_tools.m4
> @@ -97,7 +97,7 @@
>    UTIL_PATH_PROGS(NICE, nice)
>
>    UTIL_PATH_PROGS(LSB_RELEASE, lsb_release)
> -  UTIL_PATH_PROGS(CMD, cmd.exe, /mnt/c/Windows/System32)
> +  UTIL_PATH_PROGS(CMD, cmd.exe, $PATH /cygdrive/c/Windows/System32 
> /mnt/c/Windows/System32)
>  ])
>
>  ############################################################################### 
>
>
> /Magnus