diff options
Diffstat (limited to 'sources/shiboken2/data/shiboken_helpers.cmake')
| -rw-r--r-- | sources/shiboken2/data/shiboken_helpers.cmake | 201 |
1 files changed, 201 insertions, 0 deletions
diff --git a/sources/shiboken2/data/shiboken_helpers.cmake b/sources/shiboken2/data/shiboken_helpers.cmake new file mode 100644 index 000000000..c55ee89fe --- /dev/null +++ b/sources/shiboken2/data/shiboken_helpers.cmake @@ -0,0 +1,201 @@ +include(CMakeParseArguments) + +macro(shiboken_parse_all_arguments prefix type flags options multiopts) + cmake_parse_arguments(${prefix} "${flags}" "${options}" "${multiopts}" ${ARGN}) + if(DEFINED ${prefix}_UNPARSED_ARGUMENTS) + message(FATAL_ERROR "Unknown arguments were passed to ${type} (${${prefix}_UNPARSED_ARGUMENTS}).") + endif() +endmacro() + +macro(shiboken_check_if_limited_api) + # On Windows, PYTHON_LIBRARIES can be a list. Example: + # optimized;C:/Python36/libs/python36.lib;debug;C:/Python36/libs/python36_d.lib + # On other platforms, this result is not used at all. + execute_process( + COMMAND ${PYTHON_EXECUTABLE} -c "if True: + for lib in '${PYTHON_LIBRARIES}'.split(';'): + if '/' in lib: + prefix, py = lib.rsplit('/', 1) + if py.startswith('python3'): + print(prefix + '/python3.lib') + break + " + OUTPUT_VARIABLE PYTHON_LIMITED_LIBRARIES + OUTPUT_STRIP_TRAILING_WHITESPACE) + + if(FORCE_LIMITED_API STREQUAL "yes") + if (${PYTHON_VERSION_MAJOR} EQUAL 3 AND ${PYTHON_VERSION_MINOR} GREATER 4) + # GREATER_EQUAL is available only from cmake 3.7 on. We mean python 3.5 . + set(PYTHON_LIMITED_API 1) + endif() + if(WIN32) + if (${PYTHON_VERSION_MAJOR} EQUAL 3 AND ${PYTHON_VERSION_MINOR} GREATER 4) + # PYSIDE-560: XXX maybe add an option to setup.py as override + set(SHIBOKEN_PYTHON_LIBRARIES ${PYTHON_LIMITED_LIBRARIES}) + endif() + endif() + endif() +endmacro() + + +macro(shiboken_find_required_python) + if(${ARGC} GREATER 0) + find_package(PythonInterp ${ARGV0} REQUIRED) + find_package(PythonLibs ${ARGV0} REQUIRED) + else() + # If no version is specified, just use any interpreter that can be found (from PATH). + # This is useful for super-project builds, so that the default system interpeter + # gets picked up (e.g. /usr/bin/python and not /usr/bin/python2.7). + find_package(PythonInterp REQUIRED) + find_package(PythonLibs REQUIRED) + endif() + shiboken_validate_python_version() + + set(SHIBOKEN_PYTHON_INTERPRETER "${PYTHON_EXECUTABLE}") + set_property(GLOBAL PROPERTY SHIBOKEN_PYTHON_INTERPRETER "${PYTHON_EXECUTABLE}") +endmacro() + +macro(shiboken_validate_python_version) + if((PYTHON_VERSION_MAJOR EQUAL "2" AND PYTHON_VERSION_MINOR LESS "7") OR + (PYTHON_VERSION_MAJOR EQUAL "3" AND PYTHON_VERSION_MINOR LESS "5")) + message(FATAL_ERROR + "Shiboken requires Python 2.7+ or Python 3.5+.") + endif() +endmacro() + +macro(shiboken_compute_python_includes) + shiboken_parse_all_arguments( + "SHIBOKEN_COMPUTE_INCLUDES" "shiboken_compute_python_includes" + "IS_CALLED_FROM_EXPORT" "" "" ${ARGN}) + + + # If the installed shiboken config file is used, + # append the found Python include dirs as an interface property on the libshiboken target. + # This needs to be dynamic because the user of the library might have python installed + # in a different path than when shiboken was originally built. + # Otherwise if shiboken is currently being built itself (either as standalone, or super project + # build) append the include dirs as PUBLIC. + if (SHIBOKEN_COMPUTE_INCLUDES_IS_CALLED_FROM_EXPORT) + #TODO target_include_directories works on imported targets only starting with v3.11.0. + set_property(TARGET Shiboken2::libshiboken + APPEND PROPERTY INTERFACE_INCLUDE_DIRECTORIES ${PYTHON_INCLUDE_DIRS}) + else() + target_include_directories(libshiboken + PUBLIC $<BUILD_INTERFACE:${PYTHON_INCLUDE_DIRS}>) + endif() + + + set(SHIBOKEN_PYTHON_INCLUDE_DIRS "${PYTHON_INCLUDE_DIRS}") + message(STATUS + "SHIBOKEN_PYTHON_INCLUDE_DIRS computed to value: '${SHIBOKEN_PYTHON_INCLUDE_DIRS}'") +endmacro() + +# Given a list of the following form: +# optimized;C:/Python36/libs/python36.lib;debug;C:/Python36/libs/python36_d.lib +# choose the correpsonding library to use, based on the current configuration type. +function(shiboken_get_library_for_current_config library_list current_config out_var) + list(FIND library_list "optimized" optimized_found) + list(FIND library_list "general" general_found) + list(FIND library_list "debug" debug_found) + + if (optimized_found OR general_found OR debug_found) + # Iterate over library list to find the most appropriate library. + foreach(token ${library_list}) + if(token STREQUAL "optimized" OR token STREQUAL "general") + set(is_debug 0) + set(token1 1) + set(lib "") + elseif(token STREQUAL "debug") + set(is_debug 1) + set(token1 1) + set(lib "") + elseif(EXISTS ${token}) + set(lib ${token}) + set(token2 1) + else() + set(token1 0) + set(token2 0) + set(lib "") + endif() + + if(token1 AND token2) + if((is_debug AND lib AND current_config STREQUAL "Debug") + OR (NOT is_debug AND lib AND (NOT current_config STREQUAL "Debug"))) + set(${out_var} ${lib} PARENT_SCOPE) + return() + endif() + endif() + endforeach() + else() + # No configuration specific libraries found, just set the original value. + set(${out_var} "${library_list}" PARENT_SCOPE) + endif() + +endfunction() + +macro(shiboken_compute_python_libraries) + shiboken_parse_all_arguments( + "SHIBOKEN_COMPUTE_LIBS" "shiboken_compute_python_libraries" + "IS_CALLED_FROM_EXPORT" "" "" ${ARGN}) + + if (NOT SHIBOKEN_PYTHON_LIBRARIES) + set(SHIBOKEN_PYTHON_LIBRARIES "") + endif() + + if(CMAKE_BUILD_TYPE STREQUAL "Debug") + if(WIN32 AND NOT SHIBOKEN_PYTHON_LIBRARIES) + set(SHIBOKEN_PYTHON_LIBRARIES ${PYTHON_DEBUG_LIBRARIES}) + endif() + endif() + + if(CMAKE_BUILD_TYPE STREQUAL "Release") + if(WIN32 AND NOT SHIBOKEN_PYTHON_LIBRARIES) + set(SHIBOKEN_PYTHON_LIBRARIES ${PYTHON_LIBRARIES}) + endif() + endif() + + # If the resulting variable + # contains a "debug;X;optimized;Y" list like described in shiboken_check_if_limited_api, + # make sure to pick just one, so that the final generator expressions are valid. + shiboken_get_library_for_current_config("${SHIBOKEN_PYTHON_LIBRARIES}" ${CMAKE_BUILD_TYPE} "SHIBOKEN_PYTHON_LIBRARIES") + + if(APPLE) + set(SHIBOKEN_PYTHON_LIBRARIES "-undefined dynamic_lookup") + endif() + + # If the installed shiboken config file is used, + # append the computed Python libraries as an interface property on the libshiboken target. + # This needs to be dynamic because the user of the library might have python installed + # in a different path than when shiboken was originally built. + # Otherwise if shiboken is currently being built itself (either as standalone, or super project + # build) append the libraries as PUBLIC. + if (SHIBOKEN_COMPUTE_LIBS_IS_CALLED_FROM_EXPORT) + #TODO target_link_libraries works on imported targets only starting with v3.11.0. + set_property(TARGET Shiboken2::libshiboken + APPEND PROPERTY INTERFACE_LINK_LIBRARIES ${SHIBOKEN_PYTHON_LIBRARIES}) + else() + target_link_libraries(libshiboken + PUBLIC $<BUILD_INTERFACE:${SHIBOKEN_PYTHON_LIBRARIES}>) + endif() + + message(STATUS "SHIBOKEN_PYTHON_LIBRARIES computed to value: '${SHIBOKEN_PYTHON_LIBRARIES}'") +endmacro() + +function(shiboken_check_if_built_and_target_python_are_compatible) + if(NOT SHIBOKEN_PYTHON_VERSION_MAJOR STREQUAL PYTHON_VERSION_MAJOR) + message(FATAL_ERROR "The detected Python major version is not \ +compatible with the Python major version which was used when Shiboken was built. +Built with: '${SHIBOKEN_PYTHON_VERSION_MAJOR}.${SHIBOKEN_PYTHON_VERSION_MINOR}' \ +Detected: '${PYTHON_VERSION_MAJOR}.${PYTHON_VERSION_MINOR}'") + else() + if(NOT SHIBOKEN_PYTHON_LIMITED_API + AND NOT SHIBOKEN_PYTHON_VERSION_MINOR STREQUAL PYTHON_VERSION_MINOR) + message(FATAL_ERROR + "The detected Python minor version is not compatible with the Python minor \ +version which was used when Shiboken was built. Consider building shiboken with \ +FORCE_LIMITED_API set to '1', so that only the Python major version matters. +Built with: '${SHIBOKEN_PYTHON_VERSION_MAJOR}.${SHIBOKEN_PYTHON_VERSION_MINOR}' \ +Detected: '${PYTHON_VERSION_MAJOR}.${PYTHON_VERSION_MINOR}'") + endif() + endif() +endfunction() |