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#
# Copyright (C) 2017 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#
# Note: include this file after `include $(TOPDIR)/rules.mk in your package Makefile
# if `python3-package.mk` is included, this will already be included
# For PYTHON3_VERSION
python3_mk_path:=$(dir $(lastword $(MAKEFILE_LIST)))
include $(python3_mk_path)python3-version.mk
# Unset environment variables
# https://docs.python.org/3/using/cmdline.html#environment-variables
unexport \
PYTHONHOME \
PYTHONPATH \
PYTHONSAFEPATH \
PYTHONPLATLIBDIR \
PYTHONSTARTUP \
PYTHONOPTIMIZE \
PYTHONBREAKPOINT \
PYTHONDEBUG \
PYTHONINSPECT \
PYTHONUNBUFFERED \
PYTHONVERBOSE \
PYTHONCASEOK \
PYTHONDONTWRITEBYTECODE \
PYTHONPYCACHEPREFIX \
PYTHONHASHSEED \
PYTHONINTMAXSTRDIGITS \
PYTHONIOENCODING \
PYTHONNOUSERSITE \
PYTHONUSERBASE \
PYTHONEXECUTABLE \
PYTHONWARNINGS \
PYTHONFAULTHANDLER \
PYTHONTRACEMALLOC \
PYTHONPROFILEIMPORTTIME \
PYTHONASYNCIODEBUG \
PYTHONMALLOC \
PYTHONMALLOCSTATS \
PYTHONLEGACYWINDOWSFSENCODING \
PYTHONLEGACYWINDOWSSTDIO \
PYTHONCOERCECLOCALE \
PYTHONDEVMODE \
PYTHONUTF8 \
PYTHONWARNDEFAULTENCODING \
PYTHONNODEBUGRANGES
# https://docs.python.org/3/using/cmdline.html#debug-mode-variables
unexport \
PYTHONTHREADDEBUG \
PYTHONDUMPREFS \
PYTHONDUMPREFSFILE
HOST_PYTHON3_DIR:=$(STAGING_DIR_HOSTPKG)
HOST_PYTHON3_INC_DIR:=$(HOST_PYTHON3_DIR)/include/python$(PYTHON3_VERSION)
HOST_PYTHON3_LIB_DIR:=$(HOST_PYTHON3_DIR)/lib/python$(PYTHON3_VERSION)
HOST_PYTHON3_PKG_DIR:=$(HOST_PYTHON3_DIR)/lib/python$(PYTHON3_VERSION)/site-packages
HOST_PYTHON3_BIN:=$(HOST_PYTHON3_DIR)/bin/python$(PYTHON3_VERSION)
HOST_PYTHON3PATH:=$(HOST_PYTHON3_LIB_DIR):$(HOST_PYTHON3_PKG_DIR)
HOST_PYTHON3_VARS = \
ARCH="$(HOST_ARCH)" \
CC="$(HOSTCC)" \
CCSHARED="$(HOSTCC) $(HOST_FPIC)" \
CXX="$(HOSTCXX)" \
LD="$(HOSTCC)" \
LDSHARED="$(HOSTCC) -shared" \
CFLAGS="$(HOST_CFLAGS)" \
CPPFLAGS="$(HOST_CPPFLAGS) -I$(HOST_PYTHON3_INC_DIR)" \
LDFLAGS="$(HOST_LDFLAGS) -lpython$(PYTHON3_VERSION) -Wl$(comma)-rpath$(comma)$(STAGING_DIR_HOSTPKG)/lib"
# $(1) => directory of python script
# $(2) => python script and its arguments
# $(3) => additional variables
define HostPython3/Run
cd "$(if $(strip $(1)),$(strip $(1)),.)" && \
$(HOST_PYTHON3_VARS) \
$(3) \
$(HOST_PYTHON3_BIN) $(2)
endef
# Note: I shamelessly copied this from Yousong's logic (from python-packages);
HOST_PYTHON3_PIP:=$(STAGING_DIR_HOSTPKG)/bin/pip$(PYTHON3_VERSION)
HOST_PYTHON3_PIP_CACHE_DIR:=$(DL_DIR)/pip-cache
define SetupPyShim
if [ -f $(1)/pyproject.toml ] && [ ! -f $(1)/setup.py ] ; then \
$(CP) $(python3_mk_path)setup.py.shim $(1)setup.py ; \
fi
endef
# Multiple concurrent pip processes can lead to errors or unexpected results: https://github.com/pypa/pip/issues/2361
# $(1) => packages to install
define HostPython3/PipInstall
$(call locked, \
$(HOST_PYTHON3_VARS) \
$(HOST_PYTHON3_PIP) \
--cache-dir "$(HOST_PYTHON3_PIP_CACHE_DIR)" \
--disable-pip-version-check \
install \
--no-binary :all: \
--require-hashes \
$(1) \
$(if $(CONFIG_PYTHON3_HOST_PIP_CACHE_WORLD_READABLE), \
&& $(FIND) $(HOST_PYTHON3_PIP_CACHE_DIR) -not -type d -exec chmod go+r '{}' \; \
&& $(FIND) $(HOST_PYTHON3_PIP_CACHE_DIR) -type d -exec chmod go+rx '{}' \; \
), \
pip \
)
endef
# $(1) => build subdir
# $(2) => additional arguments to setup.py
# $(3) => additional variables
define HostPython3/ModSetup
$(call SetupPyShim,$(HOST_BUILD_DIR)/$(strip $(1)))
$(call HostPython3/Run, \
$(HOST_BUILD_DIR)/$(strip $(1)), \
setup.py $(2), \
$(3) PY_PKG_VERSION=$(PKG_VERSION))
endef
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