From kde-windows  Mon Nov 02 14:18:10 2009
From: Bernhard Reiter <bernhard () intevation ! de>
Date: Mon, 02 Nov 2009 14:18:10 +0000
To: kde-windows
Subject: mingw on cmd.com: The input line is too long (was: Failed to build qt
Message-Id: <200911021518.14204.bernhard () intevation ! de>
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Am Donnerstag, 19. Februar 2009 18:01:42 schrieb Christian Ehrlicher:
> Ludwig Reiter schrieb:
> > I tried "emerge qt" to build qt on a MS Windows Server 2003 R2.
> > While building WebCore, it failed, because an "input line is too long"
> > error. =A0 This g++-input line is about 8243 letters long, containing m=
any
> > "-I" Options with long absolute pathes.

This seems to hit the line length limit of cmd.com  of Window XP.
(And for NT4 someone could use the newer cmd.com to get the (Kibi Byte limi=
t)=20
See=20
http://groups.google.com/group/microsoft.public.win2000.cmdprompt.admin/bro=
wse_thread/thread/6718b6787f3a9e7/f7925bedc7ea70e9

> I had this problem a long time ago with cmake + mingw.

This discussion hint upon that cmake fixed that problem at some time for
large commands line during linking:
http://www.cmake.org/pipermail/cmake/2006-September/011284.html

The problem we have is with a modern cmake and include paths.
They grow a lot depending on the path where the source code resides.

> The only idea I've is to shorten the kde tempdir path and/or ask tt for
> help.

There ought to be a different solution. One would be if the gcc people
had actually added an option to read arguments from the command line,
which they've discussed at some time. Reading the documentation one
way to really fix it, might be to use a customer specs file, see
http://gcc.gnu.org/onlinedocs/gcc-3.4.6/gcc/Spec-Files.html#Spec-Files
Would only be useful if Cmake directly included the technique I guess.

Bernhard

=2D-=20
Managing Director - Owner: www.intevation.net       (Free Software Company)
Germany Coordinator: fsfeurope.org. Coordinator: www.Kolab-Konsortium.com.
Intevation GmbH, Osnabr=FCck, DE; Amtsgericht Osnabr=FCck, HRB 18998
Gesch=E4ftsf=FChrer Frank Koormann, Bernhard Reiter, Dr. Jan-Oliver Wagner

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