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Using += with an over-ride can be a source of confusion so try to avoid the construct in core recipes. In this case, the commit which added the over-ride seems to have been buggy - the commit message mentions "add to SYSROOT_DIRS" rather than a correct description of what the change actually did, ie "over-ride SYSROOT_DIRS": http://git.openembedded.org/openembedded-core/commit/?id=355e49e19abb3e729c82a6de46ada8da8a257f58 The commit also appears to have been unnecessary as ${sysconfdir} is appended to SYSROOT_DIRS for -native recipes by default from within staging.bbclass. To workaround the bug introduced by the first commit, a subsequent commit later added ${datadir}/ca-certificates to the over-ride value (which would not normally be necessary as ${datadir} is included in the default value of SYSROOT_DIRS - ie the value which was lost due to being over-ridden): http://git.openembedded.org/openembedded-core/commit/?id=09bb7718d74573be9a5db4d0737fb14126f6489c Therefore the fix seem to be to remove the SYSROOT_DIRS over-ride entirely - the default value of SYSROOT_DIRS set by staging.bbclass includes both ${datadir} and ${sysconfdir} when building for -native. (From OE-Core rev: c1f18efda0280644b4a4ce6f2988fb7ada71faf6) Signed-off-by: Andre McCurdy <armccurdy@gmail.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
QEMU Emulation Targets ====================== To simplify development, the build system supports building images to work with the QEMU emulator in system emulation mode. Several architectures are currently supported in 32 and 64 bit variants: * ARM (qemuarm + qemuarm64) * x86 (qemux86 + qemux86-64) * PowerPC (qemuppc only) * MIPS (qemumips + qemumips64) Use of the QEMU images is covered in the Yocto Project Reference Manual. The appropriate MACHINE variable value corresponding to the target is given in brackets.