Simplifies the Makefile.

Added PKG_BUILD_PARALLEL for faster compilation.

Added ABI_VERSION parameter to handle package updates.

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

Update libcoap to latest stable version 4.1.2
While at it switch from tar extension bz2 to xz

Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>

Client package adds the CoAP client allowing to communicate with 6LoWPAN
devices via the CoAP protocol.
Server package adss the CoAP server and the CoAP Resource Directory server.
The CoAP server allows to simulate 6LoWPAN devices which can be addressed
via the CoAP protocol while the CoAP Resource Directory server can handle
resource registrations using the CoAP protocol.

Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>

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>

libcoap is not building in LEDE any more because it is extracted to
/libcoap/ and the package makefiles try to access it at
/libcoap-2da31de732c0e51a9bc9e1d4aea21e25da89cf87/.

This patch defines a PKG_BUILD_DIR variable to make it use /libcoap/
without the hash.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

Without the trailing _S_ the variable is not considered at all.

Signed-off-by: Michael Heimpold <mhei@heimpold.de>

Fixes github issue #1856

Signed-off-by: Karl Palsson <karlp@tweak.net.au>

Signed-off-by: Anton Glukhov <anton.a.glukhov@gmail.com>