Re: [ptxdist] Linker problem: libpng-1.2.50, ptxdist-2012.12.0, and new atom toolchain i686-atom-linux

[Michael Olbrich <m.olbrich@pengutronix.de>]

On Tue, Dec 18, 2012 at 10:00:47AM +0000, Schenk, Gavin wrote:
> enjoy your holidays, I have no time pressure switching to the new toolchain!
> 
> After learning about logfiles and ptxdist :D, the command-wrapper produces
> reasonable output on console in the libpng folder. There is no output when I
> prefix ccache, but calling the compiler directly the output is like this:
> 
> <snip>
> /opt/OSELAS.Toolchain-2012.12.0/i686-atom-linux-gnu/gcc-4.7.2-glibc-2.16.0-binutils-2.22-kernel-3.6-sanitized/bin/i686-atom-linux-gnu-cpp  -frecord-gcc-switches -isystem /home/gschenk/projects/prodos3_experimental/ptxdist/platform-BB11QA6/sysroot-target/include -isystem /home/gschenk/projects/prodos3_experimental/ptxdist/platform-BB11QA6/sysroot-target/usr/include -DPNG_CONFIGURE_LIBPNG -DPNG_BUILDSYMS ./png.h
> 
> # 1 "./png.h"
> # 1 "<command-line>"
> # 1 "./png.h"
> # 536 "./png.h"
> # 1 "/home/gschenk/projects/prodos3_experimental/ptxdist/platform-BB11QA6/sysroot-target/usr/include/zlib.h" 1 3 4
> # 34 "/home/gschenk/projects/prodos3_experimental/ptxdist/platform-BB11QA6/sysroot-target/usr/include/zlib.h" 3 4
> # 1 "/home/gschenk/projects/prodos3_experimental/ptxdist/platform-BB11QA6/sysroot-target/usr/include/zconf.h" 1 3 4
> # 365 "/home/gschenk/projects/prodos3_experimental/ptxdist/platform-BB11QA6/sysroot-target/usr/include/zconf.h" 3 4
> typedef unsigned char Byte;
> 
> typedef unsigned int uInt;
> typedef unsigned long uLong;
> 
> ...
> 
> extern PNG_FUNCTION_EXPORT png_save_uint_16 END
>    (png_bytep buf, unsigned int i);
> 
> </snip>

This is what you should get.

> Attached you find two logfiles, one with ccache enabled, one without. I tried
> to figure out what is going on, but I need a Guru ... THATS YOU :D. I hope to
> become more familiar with ptxdist in future.
> 
> Maybe it is the order, or parallelization of build process? I have a Multi-CPU system with 8 cores.

Maybe a bad file in the cache? I've seen ccache picking the wrong file,
resulting in build errors...

> Even when I disable ccache the buildprocess does not finish. Next I am bailing out at building gdbserver.
> make[1]: Entering directory `/var/projects/prodos3_experimental/ptxdist/platform-BB11QA6/build-target/gdbserver-7.2-build
> ...
> /var/projects/prodos3_experimental/ptxdist/platform-BB11QA6/build-target/gdbserver-7.2/gdb/gdbserver/linux-low.c:4691:40: error: invalid application of 'sizeof' to incomplete type 'struct siginfo'
> ...

Change the gdb version to 7.5 (like the gdb in the toolchain). gcc-4.7 has
problems compiling gdbserver-7.2 and the versions should match anyways.

Michael

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