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[Linphone-developers] linphone 3.4.3 build error

From: Gerhard Stengel
Subject: [Linphone-developers] linphone 3.4.3 build error
Date: Sat, 2 Apr 2011 06:13:25 +0200
User-agent: KMail/1.13.6 (Linux/; KDE/4.6.1; x86_64; ; )


this is a posting from the linphone-users mailing list. I've the same build 
problem on my machine (openSUSE 11.4, 64 
bit) and now want to adress this on the developers list.

The difference to version 3.4.2 is that the offending lines in main.c look like 
this on 3.4.2
#ifdef WIN32
        if (workingdir!=NULL)
which means on Linux the compiler never sees these lines.

In  version 3.4.3 there's no #ifdef WIN32, and it's just
        if (workingdir!=NULL)
                chdir(workingdir); //without a preceding underscore!
however there's a define 
#ifdef WIN32
#define chdir _chdir

which makes it to be the same on WIN32, but on Linux these lines are new 
compared to previously.
My naive idea was to patch it to something like
but that doesn't make the compiler happy about the unused return value...

How can this be fixed? Maybe the whole statement is dispensible on Linux, it 
wasn't there on 3.4.2.

best regards


Am Dienstag, 29. März 2011, 22:57:34 schrieb nucleo:
> Hi,
> I have tried to build linphone 3.4.3 but build failed:
> gcc -DHAVE_CONFIG_H -I. -I..    -DIN_LINPHONE -I../coreapi/ -D_REENTRANT 
> -DORTP_INET6   -
> D_REENTRANT -DORTP_INET6   -Wall  -Werror -pthread -I/usr/include/gtk-2.0 -
> I/usr/lib/gtk-2.0/include -I/usr/include/atk-1.0 -I/usr/include/cairo 
> -I/usr/include/gdk-pixbuf-2.0 
> -I/usr/include/pango-1.0 -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -
> I/usr/include/pixman-1 -I/usr/include/freetype2 -I/usr/include/libpng12    
> -DINET6 -O2 -g -pipe -
> Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector 
> --param=ssp-buffer-size=4 -m32 -
> march=i686 -mtune=atom -fasynchronous-unwind-tables -fno-strict-aliasing -c 
> main.c
> cc1: warnings being treated as errors
> main.c: In function 'main':
> main.c:1435:8: error: ignoring return value of 'chdir', declared with 
> attribute warn_unused_result
> make[3]: *** [main.o] Error 1

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