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With the goal of autoconf-compatibility Meson respects $CFLAGS et al in builds.
In cross-compiled build the cross file is the one true source of flags and the
environment isn't used, but in a native build the environment will still be
respected.
As this can lead to target flags being used in the build for native binaries
(including a single native binary inside a target recipe), export
CFLAGS=${BUILD_CFLAGS) et al.
(From OE-Core rev: 4ca0002860dca771836c0ce1c7a92b79a5f2db3f)
Signed-off-by: Ross Burton <ross.burton@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.