test: add GOFLAGS variable to the Makefile
Christian Couder authored
This makes it possible to build binaries with
different flags.

The content of the GOFLAGS variable is stored
in a IPFS-BUILD-OPTIONS file, so that if GOFLAGS
changes a rebuild of the binaries with the new
flags is forced.

License: MIT
Signed-off-by: default avatarChristian Couder <chriscool@tuxfamily.org>
7edfc784