Khem Raj eb6154c46e gcc-runtime: Fix __FILE__ related reproducablity issues
libstdc++ uses assertion macros which use __FILE__ macros and

  if (__builtin_expect(!bool(_Condition), false))                      \
    std::__replacement_assert(__FILE__, __LINE__, __PRETTY_FUNCTION__, \
                              #_Condition)

This ends up using absolute paths into build tree for the cases where
the charconv header is used, therefore replace the file prefix paths
with on-target paths to make them build dir independent

(From OE-Core rev: 972c50d6e46ee9dfba8b8ea3867ebdbf24001e6e)

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2021-05-01 22:48:17 +01:00

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.
Description
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