152 lines
4.4 KiB
CMake
152 lines
4.4 KiB
CMake
# This is adapt based on the OpenROAD cmake module:
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# https://github.com/The-OpenROAD-Project/OpenROAD/tree/master/src/cmake
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#
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# Sets up swig for a .i file and encode .tcl files
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# Arguments
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# NAME <library>: the generated library name
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# I_FILE <file>: the .i file input to swig
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# NAMESPACE <name>: the namespace prefix in TCL
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# SWIG_INCLUDES <dir>* : optional list of include dirs for swig
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# SCRIPTS <file>* : tcl files to encode
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#
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# The intention is that this will create a library target with the
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# generated code in it. Additional c++ source will be added to the
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# target with target_sources() afterwards.
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function(SwigLib)
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# Parse args
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set(options "")
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set(oneValueArgs I_FILE NAME NAMESPACE LANGUAGE RUNTIME_HEADER)
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set(multiValueArgs SWIG_INCLUDES SCRIPTS)
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cmake_parse_arguments(
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ARG # prefix on the parsed args
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"${options}"
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"${oneValueArgs}"
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"${multiValueArgs}"
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${ARGN}
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)
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# Validate args
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if (DEFINED ARG_UNPARSED_ARGUMENTS)
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message(FATAL_ERROR "Unknown argument(s) to SwigLib: ${ARG_UNPARSED_ARGUMENTS}")
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endif()
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if (DEFINED ARG_KEYWORDS_MISSING_VALUES)
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message(FATAL_ERROR "Missing value for argument(s) to SwigLib: ${ARG_KEYWORDS_MISSING_VALUES}")
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endif()
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foreach(arg I_FILE NAME NAMESPACE)
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if (NOT DEFINED ARG_${arg})
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message(FATAL_ERROR "${arg} argument must be provided to SwigLib")
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endif()
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endforeach()
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# Default to tcl if unspecified
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if (NOT DEFINED ARG_LANGUAGE)
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set(ARG_LANGUAGE tcl)
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endif()
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set_source_files_properties(${ARG_I_FILE} PROPERTIES CPLUSPLUS ON)
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if (DEFINED ARG_SWIG_INCLUDES)
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set_property(SOURCE ${ARG_I_FILE}
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PROPERTY INCLUDE_DIRECTORIES ${ARG_SWIG_INCLUDES})
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endif()
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if (${ARG_LANGUAGE} STREQUAL "tcl")
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set(LANGUAGE_OPTIONS -namespace -prefix ${ARG_NAMESPACE})
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endif()
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# Setup swig of I_FILE.
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set_property(SOURCE ${ARG_I_FILE}
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PROPERTY COMPILE_OPTIONS ${LANGUAGE_OPTIONS}
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-Werror
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-w317,325,378,401,402,467,472,503,509)
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set_property(SOURCE ${ARG_I_FILE}
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PROPERTY SWIG_MODULE_NAME ${ARG_NAME})
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set_property(SOURCE ${ARG_I_FILE}
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PROPERTY USE_SWIG_DEPENDENCIES TRUE)
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set_property(SOURCE ${ARG_I_FILE}
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PROPERTY USE_TARGET_INCLUDE_DIRECTORIES true)
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swig_add_library(${ARG_NAME}
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LANGUAGE ${ARG_LANGUAGE}
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TYPE STATIC
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SOURCES ${ARG_I_FILE}
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)
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# Disable problematic compiler warnings on generated files.
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# At this point only the swig generated sources are present.
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get_target_property(GEN_SRCS ${ARG_NAME} SOURCES)
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foreach(GEN_SRC ${GEN_SRCS})
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set_source_files_properties(${GEN_SRC}
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PROPERTIES
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COMPILE_OPTIONS "-Wno-cast-qual;-Wno-missing-braces"
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)
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endforeach()
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# These includes are always needed.
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target_include_directories(${ARG_NAME}
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PRIVATE
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${OPENROAD_HOME}/include
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)
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if (${ARG_LANGUAGE} STREQUAL tcl)
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target_include_directories(${ARG_NAME}
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PRIVATE
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${TCL_INCLUDE_PATH}
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)
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elseif (${ARG_LANGUAGE} STREQUAL python)
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target_include_directories(${ARG_NAME}
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PRIVATE
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${Python3_INCLUDE_DIRS}
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)
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if (SWIG_VERSION VERSION_GREATER_EQUAL "4.1.0")
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set_property(TARGET ${ARG_NAME} PROPERTY SWIG_COMPILE_OPTIONS -flatstaticmethod)
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endif()
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swig_link_libraries(${ARG_NAME}
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PUBLIC
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Python3::Python
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)
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endif()
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if (DEFINED ARG_RUNTIME_HEADER)
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add_custom_command(
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OUTPUT ${ARG_RUNTIME_HEADER}
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COMMAND ${SWIG_EXECUTABLE} -${ARG_LANGUAGE} -external-runtime ${ARG_RUNTIME_HEADER}
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WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
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)
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add_custom_target(${ARG_NAME}_RUNTIME_HEADER
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DEPENDS ${ARG_RUNTIME_HEADER}
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)
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add_dependencies(${ARG_NAME}
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${ARG_NAME}_RUNTIME_HEADER
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)
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target_include_directories(${ARG_NAME}
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PRIVATE
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${CMAKE_CURRENT_BINARY_DIR}
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)
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endif()
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# Generate the encoded of the script files.
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if (DEFINED ARG_SCRIPTS)
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set(LANG_INIT ${CMAKE_CURRENT_BINARY_DIR}/${ARG_NAME}-${ARG_LANGUAGE}InitVar.cc)
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add_custom_command(OUTPUT ${LANG_INIT}
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COMMAND ${OPENSTA_HOME}/etc/TclEncode.tcl ${LANG_INIT} ${ARG_NAME}_${ARG_LANGUAGE}_inits ${ARG_SCRIPTS}
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WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
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DEPENDS ${ARG_SCRIPTS}
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)
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target_sources(${ARG_NAME}
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PRIVATE
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${LANG_INIT}
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)
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endif()
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endfunction()
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