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If the pthread.h header is found, make sure library containing "pthread_atfork" is added to the list of libraries against which to link. On some hosts (e.g. openSUSE 15.1) "-lpthread" needs to be explicitly added in order for the code to compile correctly. We already had a workaround for this for native builds, but using some external toolchains, we can be bit by this for the target recipe as well. Most of this is courtesy Trevor Woerner <twoerner@gmail.com>, via his patch at stevegrubb/libcap-ng#10, the last thanks to Khem Raj. (From OE-Core rev: 8d84fdea1c26ed5f8f8261c89070df44da3f1855) Signed-off-by: Christopher Larson <chris_larson@mentor.com> 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.