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Diffstat (limited to 'cmake/modules/AddOCaml.cmake')
| -rw-r--r-- | cmake/modules/AddOCaml.cmake | 201 |
1 files changed, 201 insertions, 0 deletions
diff --git a/cmake/modules/AddOCaml.cmake b/cmake/modules/AddOCaml.cmake new file mode 100644 index 0000000..c58ac9c --- /dev/null +++ b/cmake/modules/AddOCaml.cmake @@ -0,0 +1,201 @@ +# CMake build rules for the OCaml language. +# Assumes FindOCaml is used. +# http://ocaml.org/ +# +# Example usage: +# +# add_ocaml_library(pkg_a OCAML mod_a OCAMLDEP pkg_b C mod_a_stubs PKG ctypes LLVM core) +# +# Unnamed parameters: +# +# * Library name. +# +# Named parameters: +# +# OCAML OCaml module names. Imply presence of a corresponding .ml and .mli files. +# OCAMLDEP Names of libraries this library depends on. +# C C stub sources. Imply presence of a corresponding .c file. +# CFLAGS Additional arguments passed when compiling C stubs. +# PKG Names of ocamlfind packages this library depends on. +# LLVM Names of LLVM libraries this library depends on. +# NOCOPY Do not automatically copy sources (.c, .ml, .mli) from the source directory, +# e.g. if they are generated. +# + +function(add_ocaml_library name) + CMAKE_PARSE_ARGUMENTS(ARG "NOCOPY" "" "OCAML;OCAMLDEP;C;CFLAGS;PKG;LLVM" ${ARGN}) + + set(src ${CMAKE_CURRENT_SOURCE_DIR}) + set(bin ${CMAKE_CURRENT_BINARY_DIR}) + + set(ocaml_pkgs) + foreach( ocaml_pkg ${ARG_PKG} ) + list(APPEND ocaml_pkgs "-package" "${ocaml_pkg}") + endforeach() + + set(sources) + + set(ocaml_inputs) + + set(ocaml_outputs "${bin}/${name}.cma") + if( ARG_C ) + list(APPEND ocaml_outputs + "${bin}/lib${name}${CMAKE_STATIC_LIBRARY_SUFFIX}") + if ( BUILD_SHARED_LIBS ) + list(APPEND ocaml_outputs + "${bin}/dll${name}${CMAKE_SHARED_LIBRARY_SUFFIX}") + endif() + endif() + if( HAVE_OCAMLOPT ) + list(APPEND ocaml_outputs + "${bin}/${name}.cmxa" + "${bin}/${name}${CMAKE_STATIC_LIBRARY_SUFFIX}") + endif() + + set(ocaml_flags "-lstdc++" "-ldopt" "-L${LLVM_LIBRARY_DIR}" + "-ccopt" "-L\\$CAMLORIGIN/.." + "-ccopt" "-Wl,-rpath,\\$CAMLORIGIN/.." + ${ocaml_pkgs}) + + foreach( ocaml_dep ${ARG_OCAMLDEP} ) + get_target_property(dep_ocaml_flags "ocaml_${ocaml_dep}" OCAML_FLAGS) + list(APPEND ocaml_flags ${dep_ocaml_flags}) + endforeach() + + if( NOT BUILD_SHARED_LIBS ) + list(APPEND ocaml_flags "-custom") + endif() + + explicit_map_components_to_libraries(llvm_libs ${ARG_LLVM}) + foreach( llvm_lib ${llvm_libs} ) + list(APPEND ocaml_flags "-l${llvm_lib}" ) + endforeach() + + get_property(system_libs TARGET LLVMSupport PROPERTY LLVM_SYSTEM_LIBS) + foreach(system_lib ${system_libs}) + list(APPEND ocaml_flags "-l${system_lib}" ) + endforeach() + + string(REPLACE ";" " " ARG_CFLAGS "${ARG_CFLAGS}") + set(c_flags "${ARG_CFLAGS} ${LLVM_DEFINITIONS}") + foreach( include_dir ${LLVM_INCLUDE_DIR} ${LLVM_MAIN_INCLUDE_DIR} ) + set(c_flags "${c_flags} -I${include_dir}") + endforeach() + + foreach( ocaml_file ${ARG_OCAML} ) + list(APPEND sources "${ocaml_file}.mli" "${ocaml_file}.ml") + + list(APPEND ocaml_inputs "${bin}/${ocaml_file}.mli" "${bin}/${ocaml_file}.ml") + + list(APPEND ocaml_outputs "${bin}/${ocaml_file}.cmi" "${bin}/${ocaml_file}.cmo") + if( HAVE_OCAMLOPT ) + list(APPEND ocaml_outputs + "${bin}/${ocaml_file}.cmx" + "${bin}/${ocaml_file}${CMAKE_C_OUTPUT_EXTENSION}") + endif() + endforeach() + + foreach( c_file ${ARG_C} ) + list(APPEND sources "${c_file}.c") + + list(APPEND c_inputs "${bin}/${c_file}.c") + list(APPEND c_outputs "${bin}/${c_file}${CMAKE_C_OUTPUT_EXTENSION}") + endforeach() + + if( NOT ARG_NOCOPY ) + foreach( source ${sources} ) + add_custom_command( + OUTPUT "${bin}/${source}" + COMMAND "${CMAKE_COMMAND}" "-E" "copy" "${src}/${source}" "${bin}" + DEPENDS "${src}/${source}" + COMMENT "Copying ${source} to build area") + endforeach() + endif() + + foreach( c_input ${c_inputs} ) + get_filename_component(basename "${c_input}" NAME_WE) + add_custom_command( + OUTPUT "${basename}${CMAKE_C_OUTPUT_EXTENSION}" + COMMAND "${OCAMLFIND}" "ocamlc" "-c" "${c_input}" -ccopt ${c_flags} + DEPENDS "${c_input}" + COMMENT "Building OCaml stub object file ${basename}${CMAKE_C_OUTPUT_EXTENSION}" + VERBATIM) + endforeach() + + set(ocaml_params) + foreach( ocaml_input ${ocaml_inputs} ${c_outputs}) + get_filename_component(filename "${ocaml_input}" NAME) + list(APPEND ocaml_params "${filename}") + endforeach() + + if( APPLE ) + set(ocaml_rpath "@executable_path/../../lib") + elseif( UNIX ) + set(ocaml_rpath "\\$ORIGIN/../../lib") + endif() + list(APPEND ocaml_flags "-ldopt" "-Wl,-rpath,${ocaml_rpath}") + + add_custom_command( + OUTPUT ${ocaml_outputs} + COMMAND "${OCAMLFIND}" "ocamlmklib" "-o" "${name}" ${ocaml_flags} ${ocaml_params} + DEPENDS ${ocaml_inputs} ${c_outputs} + COMMENT "Building OCaml library ${name}" + VERBATIM) + + add_custom_command( + OUTPUT "${bin}/${name}.odoc" + COMMAND "${OCAMLFIND}" "ocamldoc" + "-I" "${bin}" + "-I" "${LLVM_LIBRARY_DIR}/ocaml/" + "-dump" "${bin}/${name}.odoc" + ${ocaml_pkgs} ${ocaml_inputs} + DEPENDS ${ocaml_inputs} + COMMENT "Building OCaml documentation for ${name}" + VERBATIM) + + add_custom_target("ocaml_${name}" ALL DEPENDS ${ocaml_outputs} "${bin}/${name}.odoc") + + set_target_properties("ocaml_${name}" PROPERTIES + OCAML_FLAGS "-I;${bin}") + set_target_properties("ocaml_${name}" PROPERTIES + OCAML_ODOC "${bin}/${name}.odoc") + + foreach( ocaml_dep ${ARG_OCAMLDEP} ) + add_dependencies("ocaml_${name}" "ocaml_${ocaml_dep}") + endforeach() + + foreach( llvm_lib ${llvm_libs} ) + add_dependencies("ocaml_${name}" "${llvm_lib}") + endforeach() + + set(install_files) + set(install_shlibs) + foreach( ocaml_output ${ocaml_outputs} ) + get_filename_component(ext "${ocaml_output}" EXT) + + if( NOT (ext STREQUAL ".cmo" OR + ext STREQUAL CMAKE_C_OUTPUT_EXTENSION OR + ext STREQUAL CMAKE_SHARED_LIBRARY_SUFFIX) ) + list(APPEND install_files "${ocaml_output}") + elseif( ext STREQUAL CMAKE_SHARED_LIBRARY_SUFFIX) + list(APPEND install_shlibs "${ocaml_output}") + endif() + endforeach() + + install(FILES ${install_files} + DESTINATION lib/ocaml) + install(FILES ${install_shlibs} + PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE + GROUP_READ GROUP_EXECUTE + WORLD_READ WORLD_EXECUTE + DESTINATION lib/ocaml) + + foreach( install_file ${install_files} ${install_shlibs} ) + get_filename_component(filename "${install_file}" NAME) + add_custom_command(TARGET "ocaml_${name}" POST_BUILD + COMMAND "${CMAKE_COMMAND}" "-E" "copy" "${install_file}" + "${LLVM_LIBRARY_DIR}/ocaml/" + COMMENT "Copying OCaml library component ${filename} to intermediate area" + VERBATIM) + endforeach() +endfunction() |