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List:       kde-devel
Subject:    Re: Porting KDE 2 (1.90) to other Unixes ...
From:       Thomas Leitner <tom () radar ! tu-graz ! ac ! at>
Date:       2000-05-11 6:04:13
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On Wed, 10 May 2000, David Faure wrote:

> On Wed, May 10, 2000 at 08:39:44PM +0200, Thomas Leitner wrote:
> > 
> > The first problem: Under Tru64, there's no "setenv" system call. In my
> > 1.1.2 port, I used to work around this with something like this:
> > 
> > #define setenv(a, b, c) \
> >         { char buf[8192]; sprintf(buf, "%s=%s", a, b); putenv(buf); }
> > 
> > The question: Is there an include file which is included by *ALL* KDE 
> > source files where I can put such workarounds in order to avoid having
> > to mess with each individual source file? It would also help to work
> > around similar problems.
> 
> You don't need that.
> kdelibs/kdecore/fakes.cpp provides an implementation for setenv
> (obviously using putenv) if the system doesn't have it.
> And config.h.bot provides the prototype for setenv in this case.
> So the "real solution" is already in place. Did you actually hit a problem
> while trying to compile KDE ?

Yes I did. It first showed up here:

gmake[3]: Entering directory `/home/kde2/kdelibs/kdecore'
/bin/sh ../libtool --mode=compile g++ -DHAVE_CONFIG_H
-I. -I. -I.. -I./../libltdl/ -I../dcop -I../kdecore -I../kdeui
-I/home/kde2/qt-copy/include -I. -I/usr/local/kde2/include
-DQT_NO_ASCII_CAST -DQT_NO_COMPAT   -O2 -fno-exceptions -fno-rtti
-fno-check-new -Wall -pedantic -W -Wpointer-arith -Wmissing-prototypes
-Wwrite-strings -Wno-long-long -fno-builtin -I/usr/local/kde2/include
-I/home/kde2/qt-copy/include -I.  -frtti  -c kapp.cpp
g++ -DHAVE_CONFIG_H -I. -I. -I.. -I./../libltdl/ -I../dcop -I../kdecore
-I../kdeui -I/home/kde2/qt-copy/include -I. -I/usr/local/kde2/include
-DQT_NO_ASCII_CAST -DQT_NO_COMPAT -O2 -fno-exceptions -fno-rtti
-fno-check-new -Wall -pedantic -W -Wpointer-arith -Wmissing-prototypes
-Wwrite-strings -Wno-long-long -fno-builtin -I/usr/local/kde2/include
-I/home/kde2/qt-copy/include -I. -frtti -Wp,-MD,.deps/kapp.pp -c kapp.cpp
-DPIC -o kapp.lo
kapp.cpp: In method `void KApplication::propagateSessionManager()':
kapp.cpp:449: `::setenv' undeclared (first use here)

However, "setenv" was only an example. I've stumbled accross many
similar problems which could be solved easily without modifying the
source files when I had kind of an "os.h" include file which would
be included in each and every source file. 

Any ideas?

Tom
-- 
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Dr. Tom Leitner                             Dept. of Communications
                                            Graz University of Technology, 
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