Passing LDFLAGS/CFLAGS when building for the host allows cmake to be
compiled with the proper -rpath value (the -rpath option is added to
HOST_LDFLAGS in a later commit).
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Only compilation for the host is supported, why explains why we don't
have a Config.in and the corresponding BR2_PACKAGE_CMAKE option.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>