[poky] sysroot question

[Zhang, Jessica]

Hi Richard,
 
While testing the sysroot setup, I noticed there're some variation between
the sysroot that built by meta-toolchain and qemu-image-sdk.  For example,
limits.h, if I search for it under the meta-toolchain sysroot, I got the
following:
 
jzhang at jzhang-desktop:/opt/poky/0.9+snapshot$ find . -name limits.h
./sysroots/i586-poky-linux/usr/include/limits.h
./sysroots/i586-poky-linux/usr/include/linux/limits.h
./sysroots/i586-poky-linux/usr/include/c++/tr1/limits.h
./sysroots/i686-pokysdk-linux/usr/lib/i586-poky-linux/gcc/i586-poky-linux/4.
5.1/include-fixed/limits.h
./sysroots/i686-pokysdk-linux/usr/include/limits.h

 
and the sysroot extract from qemu-image-sdk, gave me this:
 
jzhang at jzhang-desktop:~/qemu-x86$ find . -name limits.h
./usr/lib/gcc/i586-poky-linux/4.5.1/include-fixed/limits.h
./usr/include/c++/tr1/limits.h
./usr/include/limits.h

This caused problem in test programs of suduku which looking for
<linux/limits.h>.  The question is where should I look that cause the
sysroot content variation?
 
Thanks,
Jessica
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