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There is no need to check "$CC $CFLAGS" for x32 in gmp configure. The way GMP works is that it makes all the ABIs available for the user to pick from based on the target, but the final ABI is selected based on the $ABI variable or if compiler passes the ABI test. The test for x32 ABI is any_x32_testlist="sizeof-long-4" GMP will select x32 ABI only if long is 4byte, which will only be set to 4 by -mx32 passed in "$CC $CFLAGS". (From OE-Core rev: 20ffaee6103a972aaaf64a02dcab2bf342e9f4d4) Signed-off-by: H.J. Lu <hjl.tools@gmail.com> Signed-off-by: Nitin A Kamble <nitin.a.kamble@intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Poky
Poky is an integration of various components to form a complete prepackaged build system and development environment. It features support for building customised embedded device style images. There are reference demo images featuring a X11/Matchbox/GTK themed UI called Sato. The system supports cross-architecture application development using QEMU emulation and a standalone toolchain and SDK with IDE integration.
Additional information on the specifics of hardware that Poky supports is available in README.hardware. Further hardware support can easily be added in the form of layers which extend the systems capabilities in a modular way.
As an integration layer Poky consists of several upstream projects such as BitBake, OpenEmbedded-Core, Yocto documentation and various sources of information e.g. for the hardware support. Poky is in turn a component of the Yocto Project.
The Yocto Project has extensive documentation about the system including a reference manual which can be found at: http://yoctoproject.org/community/documentation
For information about OpenEmbedded see their website: http://www.openembedded.org/