package/pkg-python.mk: remove hardcoded paths for host Python

When installer is used to install packages for host Python, it can figure
out by itself which paths to use. We just need to use the installer CLI
instead of our wrapper script.

Signed-off-by: Роман Донченко <dpb@corrigendum.ru>
Signed-off-by: James Hilliard <james.hilliard1@gmail.com>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>

package/pkg-python.mk

@@ -146,14 +146,6 @@ HOST_PKG_PYTHON_PEP517_ENV = \
 	PYTHONNOUSERSITE=1 \
 	$(HOST_CONFIGURE_OPTS)
 
-HOST_PKG_PYTHON_PEP517_INSTALL_OPTS = \
-	--interpreter=/bin/python \
-	--script-kind=posix \
-	--purelib=$(HOST_DIR)/lib/python$(PYTHON3_VERSION_MAJOR)/site-packages \
-	--headers=$(HOST_DIR)/include/python$(PYTHON3_VERSION_MAJOR) \
-	--scripts=$(HOST_DIR)/bin \
-	--data=$(HOST_DIR)
-
 HOST_PKG_PYTHON_PEP517_BOOTSTRAP_INSTALL_OPTS = \
 	--installdir=$(HOST_DIR)/lib/python$(PYTHON3_VERSION_MAJOR)/site-packages
 
@@ -215,7 +207,7 @@ $(2)_BASE_INSTALL_STAGING_CMD = $(TOPDIR)/support/scripts/pyinstaller.py dist/*
 else
 $(2)_BASE_ENV = $$(HOST_PKG_PYTHON_PEP517_ENV)
 $(2)_BASE_BUILD_CMD = -m build -n -w
-$(2)_BASE_INSTALL_CMD = $(TOPDIR)/support/scripts/pyinstaller.py dist/* $$(HOST_PKG_PYTHON_PEP517_INSTALL_OPTS)
+$(2)_BASE_INSTALL_CMD = -m installer dist/*
 endif
 else ifeq ($$($(2)_SETUP_TYPE),flit-bootstrap)
 ifeq ($(4),target)
@@ -223,7 +215,7 @@ $$(error flit-bootstrap setup type only supported for host packages)
 else
 $(2)_BASE_ENV = $$(HOST_PKG_PYTHON_PEP517_ENV)
 $(2)_BASE_BUILD_CMD = -m flit_core.wheel
-$(2)_BASE_INSTALL_CMD ?= $(TOPDIR)/support/scripts/pyinstaller.py dist/* $$(HOST_PKG_PYTHON_PEP517_INSTALL_OPTS)
+$(2)_BASE_INSTALL_CMD ?= -m installer dist/*
 endif
 else
 $$(error "Invalid $(2)_SETUP_TYPE. Valid options are 'distutils', 'setuptools', 'pep517' or 'flit'.")