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From:	Brian Inglis <Brian DOT Inglis AT SystematicSw DOT ab DOT ca>
Organization:	Systematic Software
Subject:	Re: libtool with mingw hangs building openocd in
	func_convert_core_msys_to_w32
Message-ID:	<22509ec7-3dca-32d0-c594-9b80295dd4f7@SystematicSw.ab.ca>
Date:	Sun, 27 Jun 2021 14:23:21 -0600
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On 2021-06-26 20:38, Dietmar May via Cygwin wrote:
> On 6/26/2021 3:17 PM, Brian Inglis wrote:
>> On 2021-06-25 14:46, Dietmar May via Cygwin wrote:
>>> The build completes successfully by replacing the "cmd /c | sed" 
>>> construct with simply:
>>> func_convert_core_msys_to_w32_result=$1
>>> so no path translation takes place.
>>> The function then becomes:
>>> func_convert_core_msys_to_w32 ()
>>> {
>>>    $debug_cmd
>>> func_convert_core_msys_to_w32_result=$1
>>> }

>>>> SUMMARY
>>>> func_convert_core_msys_to_w32 in
>>>> /usr/share/libtool/build-aux/ltmain.sh
>>>> has an extraneous '/' in the call to
>>>> ( cmd //c echo "$1" )
>>>> causing make to hang indefinitely
>>>> when configured with
>>>> --build=x86_64-w64-mingw32 --host=x86_64-w64-mingw32

>> Which you don't need to change if you configure properly, as JonY 
>> replied on the list to your earlier post:

>> On 2021-06-25 09:27, Jonathan Yong via Cygwin wrote:
>>> Don't set --build, you are building on Cygwin, not MSYS.

> Jonathan Yong is correct - removing --build allows make to complete 
> without error using the unmodified ltmain.sh > There's still the issue of generating a call to cmd.exe with an
> invalid switch (//c), which will cause it to hang indefinitely if
> ever invoked.
 > The risk of breaking anything by fixing this seems like nil.

The issue exists in the package libtool upstream:

https://git.savannah.gnu.org/cgit/libtool.git/tree/build-aux/ltmain.in#n963

I submitted a bug report with link to this thread and patch to the 
upstream package maintainers; I will post any responses received.

-- 
Take care. Thanks, Brian Inglis, Calgary, Alberta, Canada

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