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Anuj Mittal 9ef69fddcb libsdl2: fix race when building in parallel
Fixes a race where it tries to build version res file in build directory
before it has even been created. Prevents intermittent errors on
autobuilder when building for mingw:

| /bin/bash ../SDL2-2.0.10/build-scripts/updaterev.sh
| /bin/bash ../SDL2-2.0.10/build-scripts/mkinstalldirs build
| mkdir -p -- build
| x86_64-pokysdk-mingw32-windres --include-dir=/home/pokybuild/yocto-worker/meta-mingw/build/build/tmp/work/x86_64-nativesdk-mingw32-pokysdk-mingw32/nativesdk-libsdl2/2.0.10-r0/recipe-sysroot/opt/poky/3.0/sysroots/x86_64-pokysdk-mingw32/us
| /include ../SDL2-2.0.10/src/main/windows/version.rc build/version.o
| x86_64-pokysdk-mingw32-windres: build/version.o: No such file or directory
| Makefile:692: recipe for target 'build/version.o' failed
| make: *** [build/version.o] Error 1
| make: *** Waiting for unfinished jobs....
| touch build/.created
| WARNING: exit code 1 from a shell command.

(From OE-Core rev: 1cb3c64b70e0b16aabd2fe9cd6012564165ac476)

Signed-off-by: Anuj Mittal <anuj.mittal@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2019-11-14 13:21:00 +00:00

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.
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