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Explicitly make the BUILT_SOURCES which are the generated headers such as stdio.h, fcntl.h and etc to be the dependencies of the gl_LIBOBJS such as libbison_a-sprintf.o, libbison_a-printf.o and etc to guarantee the BUILT_SOURCES is generated before begin to compile EXTRA_lib_libbison_a_SOURCES such as fprintf.c in parallel builid, otherwise there may come below error: | muscle-tab.c:(.text+0x77a): undefined reference to `rpl_sprintf' It does the same for src_bison_OBJECTS and lib_libbison_a_OBJECTS to make sure BUILT_SOURCES generated before begin to compile src_bison_SOURCES which contains AnnotationList.c and etc. BTW, the MOSTLYCLEANFILES also contains the generated header needs to be created early in the build process, so add it also in to avoid below error: | ./lib/uniwidth/width.c:21:10: fatal error: uniwidth.h: No such file or directory [YOCTO #13825] (From OE-Core rev: d4a0cbf132cf6a821e3efe7db3d9afd014cc9bc6) Signed-off-by: Mingli Yu <mingli.yu@windriver.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.