In perf.bb: S = "${STAGING_KERNEL_DIR}" So the source should be ready after the do_unpack, and we need this: do_unpack[depends] += "virtual/kernel:do_populate_sysroot" Otherwise there is no source after do_unpack.
Merged into master: http://git.yoctoproject.org/cgit/cgit.cgi/poky/commit/?id=0c11a7740b0e95a4456d5b025977eb02aa07755f