mirror of
https://github.com/boostorg/build.git
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329 lines
10 KiB
Plaintext
329 lines
10 KiB
Plaintext
if ! $(gPYTHON_INCLUDED)
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{
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gPYTHON_INCLUDED = true ;
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# Do some OS-specific setup
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if $(NT)
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{
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PYTHON_VERSION ?= 2.1 ;
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}
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else if $(UNIX)
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{
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PYTHON_VERSION ?= 1.5 ;
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}
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# Strip the dot from the Python version in order to be able to name
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# libraries
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PYTHON_VERSION_NODOT
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= [ SUBST $(PYTHON_VERSION) ([0-9]*)\.([0-9]*) $1$2 ]
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;
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local RUN_PATH = $(RUN_PATH) ;
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if $(NT)
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{
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PYTHON_ROOT ?= c:/tools/python ;
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PYTHON_LIB_PATH ?= $(PYTHON_ROOT)/libs $(PYTHON_ROOT)/PCBuild ;
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# Locate Python libraries. In the case of MSVC the libraries are
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# found implicitly, and GCC/MINGW will use -lpython<version> to
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# find it, but other compilers may need an explicit pointer on the
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# command line.
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PYTHON_LIB ?= <python-library@>python$(PYTHON_VERSION_NODOT).lib ;
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SEARCH on $(PYTHON_LIB) = $(PYTHON_LIB_PATH) ;
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PYTHON_D_LIB ?= <python-library@>python$(PYTHON_VERSION_NODOT)_d.lib ;
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SEARCH on $(PYTHON_D_LIB) = $(PYTHON_LIB_PATH) ;
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# common properties required for compiling any Python module.
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PYTHON_PROPERTIES ?=
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<include>$(PYTHON_ROOT)/include
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<include>$(PYTHON_ROOT)/PC # in case the user is using a source installation
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<runtime-link>dynamic
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<include>$(BOOST_ROOT)
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<debug-python><define>_DEBUG
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<gcc><*><define>SIZEOF_LONG=4
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<gcc><*><define>USE_DL_IMPORT
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<gcc><*><find-library>python$(PYTHON_VERSION).dll
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;
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GCC_PYTHON_ROOT ?= $(CYGWIN_ROOT)/usr/local ;
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GCC_PYTHON_ROOT ?= /usr/local ;
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}
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else if $(UNIX)
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{
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PYTHON_VERSION ?= 1.5 ;
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PYTHON_ROOT ?= /usr/local ;
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GCC_PYTHON_ROOT = $(PYTHON_ROOT) ;
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PYTHON_PROPERTIES ?=
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<include>$(PYTHON_ROOT)/include/python$(PYTHON_VERSION)
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<library-path>$(PYTHON_ROOT)/lib/python$(PYTHON_VERSION)/config
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<find-library>python$(PYTHON_VERSION)
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;
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}
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# Locate the python executable
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PYTHON ?= <executable@>python$(SUFEXE) ;
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SEARCH on $(PYTHON) = $(RUN_PATH) ;
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# And the debugging version
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PYTHON_D ?= $(PYTHON:S=)_d$(PYTHON:S) ;
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SEARCH on $(PYTHON_D) = $(RUN_PATH) ;
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# select-python-library
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#
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# Ungristed elements of a requirements list are treated as the rule
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# names to be called to transform the property set. This is used when
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# the requirements are too complicated to express otherwise. This
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# rule selects the right python library when building on Windows.
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rule select-python-library ( toolset variant : properties * )
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{
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if $(NT)
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{
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if $(toolset) = mingw
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{
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local lib = python$(PYTHON_VERSION_NODOT) ;
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if <define>BOOST_DEBUG_PYTHON in $(properties)
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{
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lib = python$(PYTHON_VERSION_NODOT)_d ;
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}
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properties += <find-library>$(lib) ;
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}
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else if ! ( $(toolset) in msvc intel-win32 gcc )
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{
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local lib = $(PYTHON_LIB) ;
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if <define>BOOST_DEBUG_PYTHON in $(properties)
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{
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lib = $(PYTHON_D_LIB) ;
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}
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properties += <library-file>$(lib) ;
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}
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}
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return $(properties) ;
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}
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PYTHON_PROPERTIES
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+=
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<gcc><*><library-path>$(GCC_PYTHON_ROOT)/lib/python$(PYTHON_VERSION)/config
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<gcc><*><include>$(GCC_PYTHON_ROOT)/include/python$(PYTHON_VERSION)
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<include>$(BOOST_ROOT)
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select-python-library
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# These two compilers pick up implicit directions from #pragmas
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# to look for those libraries.
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<mingw><*><library-path>$(PYTHON_LIB_PATH)
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<msvc><*><library-path>$(PYTHON_LIB_PATH)
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<intel-win32><*><library-path>$(PYTHON_LIB_PATH)
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;
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# Extends the RUN_PATH assignment for targets built under Cygwin so
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# that the Python DLL can be found.
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rule add-cygwin-python-run-path ( module )
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{
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local d = $(GCC_ROOT_DIRECTORY) ;
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while $(d:D) != $(d)
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{
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gRUN_PATH($(module)) += $(GCC_PYTHON_ROOT)/lib/python$(PYTHON_VERSION)/config ;
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d = $(d:D) ;
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}
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}
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# This is the generator function for Python modules. It deals with the
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# need to change the name of modules compiled with debugging on. This
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# is just a wrapper around the generator for shared libraries,
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# dll-files.
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rule python-files ( module implib ? : sources * )
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{
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local actual-module = $(module) ;
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dll-files $(actual-module) $(implib) : $(sources) : PYD ;
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if $(NT) && ( $(gCURRENT_TOOLSET) = gcc )
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{
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add-cygwin-python-run-path $(<[-1]) ;
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}
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}
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if $(NT)
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{
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# Adjust the name of Python modules so that they have the _d
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# suffix when compiled with python debugging enabled.
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gNAME_ADJUST(PYD) = name-adjust-PYD ;
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rule name-adjust-PYD ( pyd implib ? : properties * : toolset variant )
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{
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if <define>BOOST_DEBUG_PYTHON in $(properties)
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{
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pyd = $(pyd:S=)_d$(pyd:S) ;
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}
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return $(pyd) $(implib) ;
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}
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}
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rule Link-PYD
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{
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if $(<[2])
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{
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MODE on $(<[2]) = $(IMPMODE) ;
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Chmod $(<[2]) ;
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}
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gRUN_PATH($(<)) += $(gLOCATE($(<[1]))) ;
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Link-action $(<) : $(>) : PYD ;
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}
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declare-target-type PYD : <shared-linkable>true ;
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gGENERATOR_FUNCTION(PYD) = python-files ;
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SUFPYD = .pyd $(SUFDLL[2-]) ;
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PYDMODE = $(DLLMODE) ;
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SHARED_TYPES += PYD ;
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# Declare a python extension.
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rule extension ( name : sources + : requirements * : default-BUILD * )
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{
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requirements += $(PYTHON_PROPERTIES) ;
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declare-local-target $(name) : $(sources) : $(requirements) : $(default-BUILD) : PYD ;
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}
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# boost-python-runtest target : python-script sources : requirements : local-build : args
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#
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# declare two python module tests: $(<).test which builds when out-of-date, and
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# $(<).run which builds unconditionally.
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rule boost-python-runtest (
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target : python-script sources + : requirements * : local-build * : args * )
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{
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# tell Jam that the python script is relative to this directory
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SEARCH on $(python-script) = $(SEARCH_SOURCE) ;
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# The user can add additional arguments in PYTHON_TEST_ARGS.
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local gPYTHON_TEST_ARGS = $(args) $(PYTHON_TEST_ARGS) ;
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# declare the two subsidiary tests.
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declare-local-target $(<:S=.test) : $(>) : $(PYTHON_PROPERTIES) : $(4) : PYTHON_TEST ;
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declare-local-target $(<:S=.run) : $(>) : $(PYTHON_PROPERTIES) : $(4) : PYTHON_RUNTEST ;
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}
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rule boost-python-test ( name : sources + : requirements * : default-BUILD * )
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{
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type-DEPENDS test : $(name) ;
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local gSUPPRESS_FAKE_TARGETS = true ;
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extension $(name) : $(sources) : $(requirements) : $(4) ;
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}
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# special rules for two new target types: PYTHON_TEST and PYTHON_RUNTEST.
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# These are identical except that PYTHON_TEST runs the test when out-of-date, and
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# PYTHON_RUNTEST runs the test unconditionally. These are used by boost-python-runtest.
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SUFPYTHON_TEST = .test ;
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gGENERATOR_FUNCTION(PYTHON_TEST) = python-test-target ;
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rule python-test-target ( test-target : sources + )
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{
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python-runtest-aux $(test-target) : $(sources) ;
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Clean clean : $(test-target) ; # remove the test-target as part of any clean operation
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local debug = [ SUBST $(test-target:B) (_d)$ $1 ] ;
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debug ?= "" ;
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type-DEPENDS test$(debug) : $(test-target) ;
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MakeLocate $(test-target) : $(LOCATE_TARGET) ;
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}
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actions python-test-target bind PYTHON
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{
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$(SHELL_SET)PATH=$(PATH)
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$(SHELL_EXPORT)PATH
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$(SHELL_SET)PYTHONPATH=$(PYTHONPATH)
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$(SHELL_EXPORT)PYTHONPATH
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$(PYTHON_LAUNCH) $(PYTHON) $(PYTHON_ARGS) "$(>)" $(ARGS) > "$(<)"
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}
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SUFPYTHON_RUNTEST = .run ;
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gGENERATOR_FUNCTION(PYTHON_RUNTEST) = python-runtest-target ;
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rule python-runtest-target ( test-target : sources + )
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{
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python-runtest-aux $(test-target) : $(sources) ;
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NOTFILE $(test-target) ;
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ALWAYS $(test-target) ;
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}
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actions python-runtest-target bind PYTHON
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{
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$(SHELL_SET)PATH=$(PATH)
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$(SHELL_EXPORT)PATH
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$(SHELL_SET)PYTHONPATH=$(PYTHONPATH)
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$(SHELL_EXPORT)PYTHONPATH
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$(PYTHON_LAUNCH) $(PYTHON) $(PYTHON_ARGS) "$(>)" $(ARGS)
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}
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# This is the rule that actually causes the test to run. It is used by
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# bothe python-test-target and python-runtest-target.
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rule python-runtest-aux ( target : sources + )
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{
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DEPENDS $(target) : $(>) ;
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ARGS on $(target) += $(gPYTHON_TEST_ARGS) ;
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# Some tests need an extra command-line arg if built with
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# msvc. Checking the target grist is a cheap way to
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# find out.
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switch $(target)
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{
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case <*\\\\msvc\\\\*>* : ARGS on $(target) += --broken-auto-ptr ;
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case <*\\\\intel-win32\\\\*>* : ARGS on $(target) += --broken-auto-ptr ;
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}
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# choose the right python executable
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local python = $(PYTHON) ;
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local splitpath = $(SPLITPATH) ;
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# compute the PYTHONPATH environment variable that will allow the test to
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# find all of the modules on which it depends.
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local pythonpath =
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$(gLOCATE($(>[1]))) # location of python test file
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$(gRUN_PATH($(target))) # location of module dependencies
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[ join-path $(TOP) libs python test ] # location of doctest
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$(>:D) # directory of python driver file(s)
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$(PYTHONPATH) # base PYTHONPATH from environment
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;
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if $(NT) && ( $(gCURRENT_TOOLSET) = gcc )
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{
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python = python$(PYTHON_VERSION)$(SUFEXE) ;
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SEARCH on $(python) = [ join-path [ split-path $(GCC_PYTHON_ROOT)/bin ] ] $(RUN_PATH) ;
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# Fix up path splitter for cygwin.
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splitpath = ":" ;
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local pp ;
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for local p in $(pythonpath)
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{
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# if already rooted...
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if $(p:R=xx) = $(p)
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{
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p = [ split-path $(p) ] ;
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p = [ join-path /cygdrive [ SUBST $(p[1]) ^(.).* $1 ] $(p[2-]) ] ;
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}
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pp += $(p) ;
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}
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pythonpath = $(pp:T) ;
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}
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else if <define>BOOST_DEBUG_PYTHON in $(gBUILD_PROPERTIES) && $(NT)
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{
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python = $(PYTHON_D) ;
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}
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PYTHONPATH on $(target) = [ join $(pythonpath) : $(splitpath) ] ;
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# set the path so that DLLs linked into extension modules will be
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# found
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PATH on $(target) = [ join
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$(gRUN_PATH($(target))) # location of module dependencies
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$(>:D) # directory of python driver file(s)
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$(PATH) # base PATH from environment
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: $(splitpath) ] ; # platform path separator
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PYTHON on $(target) = $(python) ;
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DEPENDS $(target) : $(python) ;
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}
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}
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