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31a7824665
Backported from master with two differences: 1. Move exit in do_make_icudata_class-target after big endian patch application (not required for master since new upstream icu includes the patch) 2. In do_install_append_class-target test for existence of .dat input file before calling icupkg icu data generation was found to be racy, and causig AB failures; making it serial and leaving it on is not an option as it regresses to several minutes. The specific bug is that rules.mk has: LD_LIBRARY_PATH=../lib:../stubdata:../tools/ctestfw:$LD_LIBRARY_PATH ../bin/gencnval -s . -d ./out/build/icudt66l mappings/convrtrs.txt which creates a file and numerous rules like LD_LIBRARY_PATH=../lib:../stubdata:../tools/ctestfw:$LD_LIBRARY_PATH ../bin/genrb -s ./misc -d ./out/build/icudt67l -i ./out/build/icudt67l -k -q numberingSystems.txt which quietly read it. There is no prerequisite for the former to complete first. The race is extra complicated to fix as rules.mk is itself generated through a custom in-tree python tool. (From OE-Core rev: df4bfb154e7fce9645f5738aa04b3eb3ef5093fe) Signed-off-by: Alexander Kanavin <alex.kanavin@gmail.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org> (cherry picked from commit df89e8d1136fd406ba35ae573e2cb0cfc88c6aad) Signed-off-by: Steve Sakoman <steve@sakoman.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.