[OE-core] Feedback on building openembedded-core for qemuarm. Excerpts from buildlog

[Ulf Samuelsson]

2011-11-27 12:47, Eric Bénard skrev:
> Le 27/11/2011 12:40, Richard Purdie a écrit :
>> On Sat, 2011-11-26 at 13:38 +0100, Eric Bénard wrote:
>>> Le 26/11/2011 12:24, Ulf Samuelsson a écrit :
>>>> I noted that "iostream" is built and available 
>>>> in<sysroot>/usr/include/c++
>>>> On the host, it is located in /usr/incolude/c++/<version>
>>>> "tiff" build seems to be OK with Ubuntu 11.04 i686.
>>>>
>>> what is your BB_NUMBER_THREADS setting ?
>>> Here (on 2 different hosts/distro/arch but with an i7 CPU in both 
>>> cases) if I
>>> set it over 4, I often (always with a value of 8) meet problems with 
>>> c++
>>> includes during build from scratch. 4 seems the magic value which never
>>> trigger the problem.
>>
>> To help me get further data points on this issue, are you using rm_work?
>> Do the recent changes in master help (the bitbake sstate/task_skip()
>> ones in particular)? I've not been able to reproduce this :(
>>
> yes that was with rm_work, I still need to test with current head.
>
> Eric

I have tried Ubuntu 11.10 x64 once more.
This time with
BB_NUMBER_THREADS = "4"
PARALLEL_MAKE = "j4".

Not exactly the same symptoms , but similar.
This time, the "string" header is not found.


| #    source='libcg_ba.cpp' object='libcg_ba.o' libtool=no
| arm-angstrom-linux-gnueabi-g++  -march=armv5te  -mno-thumb 
-mthumb-interwork  -mtune=arm926ej-s -mthumb-interwork -mno-thumb 
--sysroot=/media/SSD/OE_core/setup-scripts/build/tmp-angstrom_2010_x-eglibc/sysroots/qemuarm 
-DHAVE_CONFIG_H -I. -I.. -I../include    -O2 -pipe -g 
-feliminate-unused-debug-types -fpermissive -fvisibility-inlines-hidden 
-fvisibility-inlines-hidden -c -o libcg_ba.o libcg_ba.cpp
| libcg_ba.cpp:18:18: fatal error: string: No such file or directory
| compilation terminated.
| make[2]: *** [libcg_ba.o] Error 1

Tried compiling manually.
It appears to me that the "--sysroot" directive gets ignored.

--sysroot=/media/SSD/OE_core/setup-scripts/build/tmp-angstrom_2010_x-eglibc/sysroots/qemuarm

I manually added "-I/usr/include/c++", but that did not help
I then copied "string" to the compile directory, and then the
compile continued /until missing the next include file)


compiler built:
arm-angstrom-linux-gnueabi-g++ --version
arm-angstrom-linux-gnueabi-g++ (GCC) 4.5.4 20110917 (prerelease)
Copyright (C) 2010 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.


The same build works on Ubuntu 11.04 i686.

Best Regards
Ulf Samuelsson
>
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-- 
Best Regards
Ulf Samuelsson
eMagii