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Using host gpg has been problematic, and particularly this removes the need to serialize package creation, as long as --auto-expand-secmem is passed to gpg-agent, and gnupg >= 2.2.4 is in use (https://dev.gnupg.org/T3530). Sadly, gpg-agent itself is single-threaded, so in the longer run we might want to seek alternatives: https://lwn.net/Articles/742542/ (a smaller issue is that rpm itself runs the gpg fronted in a serial fashion, which slows down the build in cases of recipes with very large amount of packages, e.g. glibc-locale) Note that sstate signing and verification continues to use host gpg, as depending on native gpg would create circular dependencies. [YOCTO #12022] (From OE-Core rev: 08fef6198122fe79d4c1213f9a64b862162ed6cd) Signed-off-by: Alexander Kanavin <alexander.kanavin@linux.intel.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.