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Richard Purdie 376f8eaeb9 bitbake: siggen: Avoid taskhash mismatch errors for nostamp tasks when dependencies rehash
An example:

NOTE: recipe binutils-cross-testsuite-2.32.0-r0: task do_check: Started
ERROR: Taskhash mismatch b074da4334aff8aa06572e7a8725c941fa6b08de4ce714a65a90c0c0b680abea versus 17375278daed609a7129769b74a1336a37bdef14b534ae85189ccc033a9f2db4 for /home/pokybuild/yocto-worker/qemux86-64/build/meta/recipes-devtools/binutils/binutils-cross-testsuite_2.32.bb:do_check
NOTE: recipe binutils-cross-testsuite-2.32.0-r0: task do_check: Succeeded

Is caused by a rehash in a dependency happening somewhere earlier in the build
and the taint being reset.

Change the code so that nostamp taints are preserved to avoid the issue.

(Bitbake rev: c42d00ff293d0538cad1b84c108bf7f5f49d4d84)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit 61624a3fc38e8546e01356d5ce7a09f21e7094ab)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2020-01-11 11:06:22 +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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