cat ghc-tarballs/libffi/libffi*.tar.gz | $(GZIP_CMD) -d | { cd libffi && $(TAR_CMD) -xf - ; }
mv libffi/libffi-* libffi/build
chmod +x libffi/ln
+ # don't report nonselinux systems as selinux
+ cd libffi/build && "$(PATCH_CMD)" -p0 < ../libffi.selinux-detection-3.0.8.patch
# Because -Werror may be in SRC_CC_OPTS/SRC_LD_OPTS, we need to turn
# warnings off or the compilation of libffi might fail due to warnings