faster to compile.

A small selection of packages was tested going from:

Executed in  696.30 secs   fish           external
   usr time   82.98 mins  395.00 micros   82.98 mins
   sys time    9.02 mins    0.00 micros    9.02 mins

to:

Executed in  592.20 secs   fish           external
   usr time   84.84 mins  361.00 micros   84.84 mins
   sys time    8.85 mins   57.00 micros    8.85 mins

Tested by running make -j 12 and wiping staging/build_dir/target_x

Signed-off-by: Rosen Penev <rosenp@gmail.com>

Review of my PR to add readsb requested to use codeload. Update vallumd
to use codeload as well, so that things are consistent.

Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>

Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>

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>

Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>

Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>

Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>

Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>