directfb-csource compilation pb with uclibc

[Nathanael D. Noblet]

On Fri, 2005-10-07 at 16:49 +0200, Dely Nicolas wrote:
> Hi all,
> 
> I would like to install dfbsee on my embedded x86 platform with
> buildroot. I've added dfbsee directory in package, Config.in,
> dfbsee.mk ...
> 
> To configure cleanly dfbsee I need directfb-csource, 
> * when I compile directfb-csource with glibc/gcc ./directfb-csource
> runs,
> * but when it is compiled with uclibc/gcc ./directfb-csource says
> "bash: ./directfb-csource: No such file or directory"

This one however is likely because the resultant binary is using
uclibc's linker (target system) instead of glibc (host system). To
double check, just do a 'readelf -l directfb-csource | grep
interpreter'. Compare that with the output on any binary on the host
machine. They are likely different.


> Compilation is :
> if /users/buildroot/build_i686/staging_dir/bin/i686-linux-uclibc-gcc -DHAVE_CONFIG_H -I. -I. -I.. -I../lib -I../include -I../include -I../lib -I../src  -D_REENTRANT   -Wall -O3 -ffast-math -pipe -Os -pipe  -I/users/buildroot/build_i686/staging_dir/usr/include -D_GNU_SOURCE  -Werror-implicit-function-declaration -MT directfb-csource.o -MD -MP -MF ".deps/directfb-csource.Tpo" -c -o directfb-csource.o directfb-csource.c; \
> > then mv -f ".deps/directfb-csource.Tpo" ".deps/directfb-csource.Po"; else rm -f ".deps/directfb-csource.Tpo"; exit 1; fi
> 
> /bin/sh ../libtool --tag=CC --mode=link /users/buildroot/build_i686/staging_dir/bin/i686-linux-uclibc-gcc  -Wall -O3 -ffast-math -pipe -Os -pipe  -I/users/buildroot/build_i686/staging_dir/usr/include -D_GNU_SOURCE  -Werror-implicit-function-declaration  -L/users/buildroot/build_i686/staging_dir/lib -L/users/buildroot/build_i686/staging_dir/usr/lib -o directfb-csource  directfb-csource.o -lpng -lz -lm -ldl -lpthread
> 
> /users/buildroot/build_i686/staging_dir/bin/i686-linux-uclibc-gcc -Wall -O3 -ffast-math -pipe -Os -pipe -I/users/buildroot/build_i686/staging_dir/usr/include -D_GNU_SOURCE -Werror-implicit-function-declaration -o directfb-csource directfb-csource.o  -L/users/buildroot/build_i686/staging_dir/lib -L/users/buildroot/build_i686/staging_dir/usr/lib -lpng -lz -lm -ldl -lpthread
> 
> There is no error, no warning
> 
> I suppose something called in directfb-csource.c is not implemented in uclibc ?
> 
> Can someone explain me please ?
> 
> I've attached the following files:
> * dfbsee Config.in and dfbsee.mk
> * DirectFB directfb.mk
> 
> Regards,
> 
> Nicolas
> 
> 
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-- 
Nathanael D. Noblet
Gnat Solutions, Inc
http://www.gnat.ca/
T 250.385.4613
C 250.383.4613