Hi

We cache size of off_t in site files and the value is 4 in most cases


meta/site/arm-linux:ac_cv_sizeof_off_t=${ac_cv_sizeof_off_t=4}
meta/site/ix86-common:ac_cv_sizeof_off_t=${ac_cv_sizeof_off_t=4}
meta/site/nios2-linux:ac_cv_sizeof_off_t=${ac_cv_sizeof_off_t=4}
meta/site/powerpc32-linux:ac_cv_sizeof_off_t=${ac_cv_sizeof_off_t=4}
meta/site/x32-linux:ac_cv_sizeof_off_t=${ac_cv_sizeof_off_t=8}
meta/site/x86_64-linux:ac_cv_sizeof_off_t=${ac_cv_sizeof_off_t=8}


However this value is wrong when largefile support is enabled (which is 
default) on
most OE based distros. It also lands us in nasty bugs which are complicated to 
uncover
eg. the curl issue

http://git.openembedded.org/openembedded-core/commit/?id=3c58712465494e441c4036a7cf21d2e6d343efab

and just in OE-Core more e.g. grub2,libsndfile1,pax are showing same symptoms.

I think this value should be left for configure to compute and
autotools.bbclass should pass --{enable|disable}-largefile based upon
DISTRO_FEATURES enabling largefile support

Do we see any downsides or point I might have missed

Thank you
-Khem

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