host-python-flit-core is the only package that overrides
_BASE_INSTALL_CMD. Since we're going to remove that variable in a
follow-up patch, we no longer will be able to do that.
Since host-python-flit-core is really a special case, it makes sense to
define HOST_PYTHON_FLIT_CORE_INSTALL_CMDS in its entirety.
While we're at it, also instantiate
HOST_PKG_PYTHON_PEP517_BOOTSTRAP_INSTALL_OPTS directly there. This
variable is not used anywhere else, and it's a bit confusing to have it
in pkg-python.mk - it looks like a mistake.
Signed-off-by: Arnout Vandecappelle <arnout@mind.be>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
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