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88fa952b7c
OVERRIDES reads from left to right, least to most specific. We were appending to MACHINEOVERRIDES when we should have been prepending so the ordering of qemuall verses qemuxxx was incorrect, as was the x86 override and several of the arm overrides. This patch is a batch cleanup of the various issues to correct the order from least to most specific. The include order does matter and we needed to tweak some of that in this patch too. [YOCTO #4090] (From OE-Core rev: bdc1b214431c9c93a929b547b9a61e7b87fbd366) Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2012/03/30 - Mark Hatle mark.hatle@windriver.com
- Initial version
Most of the items for the IA architecture are defined in the single arch-ia32 file.
Three ABIs are define, m32, mx32 and m64.
The following is the list of ia32 specific variables:
X86ARCH32 - This is the 32-bit architecture GNU canonical arch, TUNE_ARCH.
X86ARCH64 - This is the 64-bit architecture GNU canonical arch, TUNE_ARCH.
The TUNE_PKGARCH is defined as follows:
TUNE_PKGARCH = ${TUNE_PKGARCH_tune-${DEFAULTTUNE}}
The package architecture for 32-bit targets is historical and generally set to to match the core compatible processor type, i.e. i386.
For 64-bit architectures, the architecture is expected to end in '_64'.
If the x32 ABI is used, then the _64 is further extended with a '_x32'.