6ef46bb919
This will prevent the user's environment variables from affecting host Python, removing the need to manually override these variables. It is also not necessary to set PYTHONPATH (when not working on target Python packages) because the given directories are already included in Python's search path by default. Signed-off-by: Jeffery To <jeffery.to@gmail.com>
131 lines
3.6 KiB
Makefile
131 lines
3.6 KiB
Makefile
#
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# Copyright (C) 2017 OpenWrt.org
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#
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# This is free software, licensed under the GNU General Public License v2.
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# See /LICENSE for more information.
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#
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# Note: include this file after `include $(TOPDIR)/rules.mk in your package Makefile
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# if `python3-package.mk` is included, this will already be included
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# For PYTHON3_VERSION
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python3_mk_path:=$(dir $(lastword $(MAKEFILE_LIST)))
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include $(python3_mk_path)python3-version.mk
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# Unset environment variables
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# https://docs.python.org/3/using/cmdline.html#environment-variables
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unexport \
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PYTHONHOME \
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PYTHONPATH \
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PYTHONSAFEPATH \
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PYTHONPLATLIBDIR \
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PYTHONSTARTUP \
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PYTHONOPTIMIZE \
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PYTHONBREAKPOINT \
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PYTHONDEBUG \
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PYTHONINSPECT \
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PYTHONUNBUFFERED \
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PYTHONVERBOSE \
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PYTHONCASEOK \
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PYTHONDONTWRITEBYTECODE \
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PYTHONPYCACHEPREFIX \
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PYTHONHASHSEED \
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PYTHONINTMAXSTRDIGITS \
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PYTHONIOENCODING \
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PYTHONNOUSERSITE \
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PYTHONUSERBASE \
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PYTHONEXECUTABLE \
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PYTHONWARNINGS \
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PYTHONFAULTHANDLER \
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PYTHONTRACEMALLOC \
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PYTHONPROFILEIMPORTTIME \
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PYTHONASYNCIODEBUG \
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PYTHONMALLOC \
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PYTHONMALLOCSTATS \
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PYTHONLEGACYWINDOWSFSENCODING \
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PYTHONLEGACYWINDOWSSTDIO \
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PYTHONCOERCECLOCALE \
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PYTHONDEVMODE \
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PYTHONUTF8 \
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PYTHONWARNDEFAULTENCODING \
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PYTHONNODEBUGRANGES
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# https://docs.python.org/3/using/cmdline.html#debug-mode-variables
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unexport \
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PYTHONTHREADDEBUG \
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PYTHONDUMPREFS \
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PYTHONDUMPREFSFILE
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HOST_PYTHON3_DIR:=$(STAGING_DIR_HOSTPKG)
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HOST_PYTHON3_INC_DIR:=$(HOST_PYTHON3_DIR)/include/python$(PYTHON3_VERSION)
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HOST_PYTHON3_LIB_DIR:=$(HOST_PYTHON3_DIR)/lib/python$(PYTHON3_VERSION)
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HOST_PYTHON3_PKG_DIR:=$(HOST_PYTHON3_DIR)/lib/python$(PYTHON3_VERSION)/site-packages
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HOST_PYTHON3_BIN:=$(HOST_PYTHON3_DIR)/bin/python$(PYTHON3_VERSION)
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HOST_PYTHON3PATH:=$(HOST_PYTHON3_LIB_DIR):$(HOST_PYTHON3_PKG_DIR)
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HOST_PYTHON3_VARS = \
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ARCH="$(HOST_ARCH)" \
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CC="$(HOSTCC)" \
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CCSHARED="$(HOSTCC) $(HOST_FPIC)" \
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CXX="$(HOSTCXX)" \
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LD="$(HOSTCC)" \
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LDSHARED="$(HOSTCC) -shared" \
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CFLAGS="$(HOST_CFLAGS)" \
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CPPFLAGS="$(HOST_CPPFLAGS) -I$(HOST_PYTHON3_INC_DIR)" \
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LDFLAGS="$(HOST_LDFLAGS) -lpython$(PYTHON3_VERSION) -Wl$(comma)-rpath$(comma)$(STAGING_DIR_HOSTPKG)/lib"
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# $(1) => directory of python script
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# $(2) => python script and its arguments
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# $(3) => additional variables
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define HostPython3/Run
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cd "$(if $(strip $(1)),$(strip $(1)),.)" && \
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$(HOST_PYTHON3_VARS) \
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$(3) \
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$(HOST_PYTHON3_BIN) $(2)
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endef
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# Note: I shamelessly copied this from Yousong's logic (from python-packages);
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HOST_PYTHON3_PIP:=$(STAGING_DIR_HOSTPKG)/bin/pip$(PYTHON3_VERSION)
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HOST_PYTHON3_PIP_CACHE_DIR:=$(DL_DIR)/pip-cache
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define SetupPyShim
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if [ -f $(1)/pyproject.toml ] && [ ! -f $(1)/setup.py ] ; then \
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$(CP) $(python3_mk_path)setup.py.shim $(1)setup.py ; \
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fi
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endef
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# Multiple concurrent pip processes can lead to errors or unexpected results: https://github.com/pypa/pip/issues/2361
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# $(1) => packages to install
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define HostPython3/PipInstall
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$(call locked, \
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$(HOST_PYTHON3_VARS) \
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$(HOST_PYTHON3_PIP) \
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--cache-dir "$(HOST_PYTHON3_PIP_CACHE_DIR)" \
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--disable-pip-version-check \
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install \
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--no-binary :all: \
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--require-hashes \
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$(1) \
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$(if $(CONFIG_PYTHON3_HOST_PIP_CACHE_WORLD_READABLE), \
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&& $(FIND) $(HOST_PYTHON3_PIP_CACHE_DIR) -not -type d -exec chmod go+r '{}' \; \
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&& $(FIND) $(HOST_PYTHON3_PIP_CACHE_DIR) -type d -exec chmod go+rx '{}' \; \
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), \
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pip \
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)
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endef
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# $(1) => build subdir
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# $(2) => additional arguments to setup.py
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# $(3) => additional variables
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define HostPython3/ModSetup
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$(call SetupPyShim,$(HOST_BUILD_DIR)/$(strip $(1)))
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$(call HostPython3/Run, \
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$(HOST_BUILD_DIR)/$(strip $(1)), \
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setup.py $(2), \
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$(3) PY_PKG_VERSION=$(PKG_VERSION))
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endef
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