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1# CMake build rules for the OCaml language.2# Assumes FindOCaml is used.3# http://ocaml.org/4#5# Example usage:6#7# add_ocaml_library(pkg_a OCAML mod_a OCAMLDEP pkg_b C mod_a_stubs PKG ctypes LLVM core)8#9# Unnamed parameters:10#11# * Library name.12#13# Named parameters:14#15# OCAML OCaml module names. Imply presence of a corresponding .ml and .mli files.16# OCAMLDEP Names of libraries this library depends on.17# C C stub sources. Imply presence of a corresponding .c file.18# CFLAGS Additional arguments passed when compiling C stubs.19# PKG Names of ocamlfind packages this library depends on.20# LLVM Names of LLVM libraries this library depends on.21# NOCOPY Do not automatically copy sources (.c, .ml, .mli) from the source directory,22# e.g. if they are generated.23#24 25function(add_ocaml_library name)26 CMAKE_PARSE_ARGUMENTS(ARG "NOCOPY" "" "OCAML;OCAMLDEP;C;CFLAGS;PKG;LLVM" ${ARGN})27 28 set(src ${CMAKE_CURRENT_SOURCE_DIR})29 set(bin ${CMAKE_CURRENT_BINARY_DIR})30 31 set(ocaml_pkgs)32 foreach( ocaml_pkg ${ARG_PKG} )33 list(APPEND ocaml_pkgs "-package" "${ocaml_pkg}")34 endforeach()35 36 set(sources)37 38 set(ocaml_inputs)39 40 set(ocaml_outputs "${bin}/${name}.cma")41 if( ARG_C )42 list(APPEND ocaml_outputs43 "${bin}/lib${name}${CMAKE_STATIC_LIBRARY_SUFFIX}")44 if ( BUILD_SHARED_LIBS )45 list(APPEND ocaml_outputs46 "${bin}/dll${name}${CMAKE_SHARED_LIBRARY_SUFFIX}")47 endif()48 endif()49 if( HAVE_OCAMLOPT )50 list(APPEND ocaml_outputs51 "${bin}/${name}.cmxa"52 "${bin}/${name}${CMAKE_STATIC_LIBRARY_SUFFIX}")53 endif()54 55 set(ocaml_flags "-lstdc++" "-ldopt" "-L${LLVM_LIBRARY_DIR}"56 "-ccopt" "-L\\$CAMLORIGIN/../.."57 "-ccopt" "-Wl,-rpath,\\$CAMLORIGIN/../.."58 ${ocaml_pkgs})59 60 foreach( ocaml_dep ${ARG_OCAMLDEP} )61 get_target_property(dep_ocaml_flags "ocaml_${ocaml_dep}" OCAML_FLAGS)62 list(APPEND ocaml_flags ${dep_ocaml_flags})63 endforeach()64 65 if( NOT BUILD_SHARED_LIBS )66 list(APPEND ocaml_flags "-custom")67 endif()68 69 if(LLVM_LINK_LLVM_DYLIB)70 list(APPEND ocaml_flags "-lLLVM")71 else()72 explicit_map_components_to_libraries(llvm_libs ${ARG_LLVM})73 foreach( llvm_lib ${llvm_libs} )74 list(APPEND ocaml_flags "-l${llvm_lib}" )75 endforeach()76 77 get_property(system_libs TARGET LLVMSupport PROPERTY LLVM_SYSTEM_LIBS)78 foreach(system_lib ${system_libs})79 if (system_lib MATCHES "^-")80 # If it's an option, pass it without changes.81 list(APPEND ocaml_flags "${system_lib}" )82 else()83 # Otherwise assume it's a library name we need to link with.84 list(APPEND ocaml_flags "-l${system_lib}" )85 endif()86 endforeach()87 endif()88 89 string(REPLACE ";" " " ARG_CFLAGS "${ARG_CFLAGS}")90 set(c_flags "${ARG_CFLAGS} ${LLVM_DEFINITIONS}")91 foreach( include_dir ${LLVM_INCLUDE_DIR} ${LLVM_MAIN_INCLUDE_DIR} )92 set(c_flags "${c_flags} -I${include_dir}")93 endforeach()94 # include -D/-UNDEBUG to match dump function visibility95 # regex from HandleLLVMOptions.cmake96 string(REGEX MATCH "(^| )[/-][UD] *NDEBUG($| )" flag_matches97 "${CMAKE_C_FLAGS_${uppercase_CMAKE_BUILD_TYPE}} ${CMAKE_C_FLAGS}")98 set(c_flags "${c_flags} ${flag_matches}")99 100 foreach( ocaml_file ${ARG_OCAML} )101 list(APPEND sources "${ocaml_file}.mli" "${ocaml_file}.ml")102 103 list(APPEND ocaml_inputs "${bin}/${ocaml_file}.mli" "${bin}/${ocaml_file}.ml")104 105 list(APPEND ocaml_outputs "${bin}/${ocaml_file}.cmi" "${bin}/${ocaml_file}.cmo")106 107 list(APPEND ocaml_outputs "${bin}/${ocaml_file}.cmti" "${bin}/${ocaml_file}.cmt")108 109 if( HAVE_OCAMLOPT )110 list(APPEND ocaml_outputs111 "${bin}/${ocaml_file}.cmx"112 "${bin}/${ocaml_file}${CMAKE_C_OUTPUT_EXTENSION}")113 endif()114 endforeach()115 116 foreach( c_file ${ARG_C} )117 list(APPEND sources "${c_file}.c")118 119 list(APPEND c_inputs "${bin}/${c_file}.c")120 list(APPEND c_outputs "${bin}/${c_file}${CMAKE_C_OUTPUT_EXTENSION}")121 endforeach()122 123 if( NOT ARG_NOCOPY )124 foreach( source ${sources} )125 add_custom_command(126 OUTPUT "${bin}/${source}"127 COMMAND "${CMAKE_COMMAND}" "-E" "copy" "${src}/${source}" "${bin}"128 DEPENDS "${src}/${source}"129 COMMENT "Copying ${source} to build area")130 endforeach()131 endif()132 133 foreach( c_input ${c_inputs} )134 get_filename_component(basename "${c_input}" NAME_WE)135 add_custom_command(136 OUTPUT "${basename}${CMAKE_C_OUTPUT_EXTENSION}"137 COMMAND "${OCAMLFIND}" "ocamlc" "-c" "${c_input}" -ccopt ${c_flags}138 DEPENDS "${c_input}"139 COMMENT "Building OCaml stub object file ${basename}${CMAKE_C_OUTPUT_EXTENSION}"140 VERBATIM)141 endforeach()142 143 set(ocaml_params)144 foreach( ocaml_input ${ocaml_inputs} ${c_outputs})145 get_filename_component(filename "${ocaml_input}" NAME)146 list(APPEND ocaml_params "${filename}")147 endforeach()148 149 if( APPLE )150 set(ocaml_rpath "@executable_path/../../../lib${LLVM_LIBDIR_SUFFIX}")151 elseif( UNIX )152 set(ocaml_rpath "\\$ORIGIN/../../../lib${LLVM_LIBDIR_SUFFIX}")153 endif()154 list(APPEND ocaml_flags "-ldopt" "-Wl,-rpath,${ocaml_rpath}")155 156 add_custom_command(157 OUTPUT ${ocaml_outputs}158 COMMAND "${OCAMLFIND}" "ocamlmklib" "-ocamlcflags" "-bin-annot"159 "-o" "${name}" ${ocaml_flags} ${ocaml_params}160 DEPENDS ${ocaml_inputs} ${c_outputs}161 COMMENT "Building OCaml library ${name}"162 VERBATIM)163 164 add_custom_command(165 OUTPUT "${bin}/${name}.odoc"166 COMMAND "${OCAMLFIND}" "ocamldoc"167 "-I" "${bin}"168 "-I" "${LLVM_LIBRARY_DIR}/ocaml/llvm/"169 "-dump" "${bin}/${name}.odoc"170 ${ocaml_pkgs} ${ocaml_inputs}171 DEPENDS ${ocaml_inputs} ${ocaml_outputs}172 COMMENT "Building OCaml documentation for ${name}"173 VERBATIM)174 175 add_custom_target("ocaml_${name}" ALL DEPENDS ${ocaml_outputs} "${bin}/${name}.odoc")176 get_subproject_title(subproject_title)177 set_target_properties("ocaml_${name}" PROPERTIES FOLDER "${subproject_title}/Bindings/OCaml")178 179 set_target_properties("ocaml_${name}" PROPERTIES180 OCAML_FLAGS "-I;${bin}")181 set_target_properties("ocaml_${name}" PROPERTIES182 OCAML_ODOC "${bin}/${name}.odoc")183 184 foreach( ocaml_dep ${ARG_OCAMLDEP} )185 add_dependencies("ocaml_${name}" "ocaml_${ocaml_dep}")186 endforeach()187 188 if( NOT LLVM_OCAML_OUT_OF_TREE )189 foreach( llvm_lib ${llvm_libs} )190 add_dependencies("ocaml_${name}" "${llvm_lib}")191 endforeach()192 endif()193 194 add_dependencies("ocaml_all" "ocaml_${name}")195 196 set(install_files)197 set(install_shlibs)198 foreach( ocaml_output ${ocaml_inputs} ${ocaml_outputs} )199 get_filename_component(ext "${ocaml_output}" EXT)200 201 if( NOT (ext STREQUAL ".cmo" OR202 ext STREQUAL ".ml" OR203 ext STREQUAL CMAKE_C_OUTPUT_EXTENSION OR204 ext STREQUAL CMAKE_SHARED_LIBRARY_SUFFIX) )205 list(APPEND install_files "${ocaml_output}")206 elseif( ext STREQUAL CMAKE_SHARED_LIBRARY_SUFFIX)207 list(APPEND install_shlibs "${ocaml_output}")208 endif()209 endforeach()210 211 install(FILES ${install_files}212 DESTINATION "${LLVM_OCAML_INSTALL_PATH}/llvm")213 install(FILES ${install_shlibs}214 PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE215 GROUP_READ GROUP_EXECUTE216 WORLD_READ WORLD_EXECUTE217 DESTINATION "${LLVM_OCAML_INSTALL_PATH}/stublibs")218 219 foreach( install_file ${install_files} ${install_shlibs} )220 get_filename_component(filename "${install_file}" NAME)221 add_custom_command(TARGET "ocaml_${name}" POST_BUILD222 COMMAND "${CMAKE_COMMAND}" "-E" "copy" "${install_file}"223 "${LLVM_LIBRARY_DIR}/ocaml/llvm/"224 COMMENT "Copying OCaml library component ${filename} to intermediate area"225 VERBATIM)226 add_dependencies("ocaml_${name}" ocaml_make_directory)227 endforeach()228endfunction()229 230add_custom_target(ocaml_make_directory231 COMMAND "${CMAKE_COMMAND}" "-E" "make_directory" "${LLVM_LIBRARY_DIR}/ocaml/llvm")232add_custom_target("ocaml_all")233set_target_properties(ocaml_all PROPERTIES FOLDER "LLVM/Bindings/OCaml")234set_target_properties(ocaml_make_directory PROPERTIES FOLDER "LLVM/Bindings/OCaml")235