fix Makefile chmod (644)
replace MD5SUM with HASH
add PKG_MIRROR_HASH when PKG_SOURCE_PROTO:=git
(PKG_SOURCE_PROTO:=svn tarballs are not reproducible for now)
Signed-off-by: Etienne Champetier <champetier.etienne@gmail.com>
musl doesn't allow including both, sys/prctl.h and linux/prctl.h.
Thus include linux/prctl.h only on GLIBC systems (that includes
uClibc which defines __GLIBC__)
Signed-off-by: Daniel Golle <daniel@makrotopia.org>