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Re: command line limit in mingw-make

From: Joe Burmeister
Subject: Re: command line limit in mingw-make
Date: Tue, 18 Sep 2012 09:28:13 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:15.0) Gecko/20120827 Thunderbird/15.0

On 02/09/12 12:26, Jonathan Liu wrote:
On 26/05/2012 4:05 AM, Eli Zaretskii wrote:
Date: Fri, 25 May 2012 17:04:12 +0100
From: Joe Burmeister<address@hidden>
CC: address@hidden

    From what you just told me, I don't see why this would trigger a
intermediate batch file like this.
I'm guessing those are the quotes.
that will be why it's pretty much everything. No doubt they are added
for spaces safety.

A quick test with CreateProcess seams to show it's not necessary for
this to trigger an intermediate batch file.

Probably.  Can you try building make.exe with MinGW, after removing
the " character from sh_chars_dos[] defined on job.c under WINDOWS32?

(Building a MinGW Make requires to run the build_w32.bat batch file;
see the file README.W32 for instructions.)

I have removed the " character from sh_chars_dos and it works.
I can now build qt5 qtwebkit which has really long command lines (around
12000 characters long). Also, quoted filenames that have spaces still
work fine in Makefiles.

Could this be change applied to CVS?


The other got ya with qt5 is windres.exe.
It uses MS's popen, which calls cmd.exe and thus introduces a 8k limit.
This would mean qtdeclarative wouldn't build for me.
My solution was to change windres.exe to use a custom popen on Windows, one that calls CreateProcess with the command line directly, accessing the higher 32k limit.

Anyway, really pleased there is progress on this. :-)


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