init

cmake/external/cld3/generate_protobuf.cmake

@@ -0,0 +1,58 @@
+function(generate_single_protobuf target_name gen_dst protobuf_name executable)
+    file(MAKE_DIRECTORY ${gen_dst})
+
+    # Copied from myprotobuf.cmake.
+    if (PROTOBUF_GENERATE_CPP_APPEND_PATH)
+        # Create an include path for each file specified
+        set(FIL ${cld3_src}/${protobuf_name})
+        get_filename_component(ABS_FIL ${FIL} ABSOLUTE)
+        get_filename_component(ABS_PATH ${ABS_FIL} PATH)
+        list(FIND _protobuf_include_path ${ABS_PATH} _contains_already)
+        if (${_contains_already} EQUAL -1)
+            list(APPEND _protobuf_include_path -I ${ABS_PATH})
+        endif()
+    else()
+        set(_protobuf_include_path -I ${cld3_src})
+    endif()
+
+    if (DEFINED PROTOBUF_IMPORT_DIRS)
+        foreach (DIR ${PROTOBUF_IMPORT_DIRS})
+            get_filename_component(ABS_PATH ${DIR} ABSOLUTE)
+            list(FIND _protobuf_include_path ${ABS_PATH} _contains_already)
+            if (${_contains_already} EQUAL -1)
+                list(APPEND _protobuf_include_path -I ${ABS_PATH})
+            endif()
+        endforeach()
+    endif()
+    #
+
+    get_filename_component(protobuf_name_we ${protobuf_name} NAME_WE)
+
+    set(gen_timestamp ${gen_dst}/${protobuf_name}.timestamp)
+    set(gen_files
+        ${gen_dst}/${protobuf_name_we}.pb.cc
+        ${gen_dst}/${protobuf_name_we}.pb.h
+    )
+
+    set(gen_src ${cld3_src}/${protobuf_name})
+    add_custom_command(
+    OUTPUT
+        ${gen_timestamp}
+    BYPRODUCTS
+        ${gen_files}
+    COMMAND
+        ${executable}
+        --cpp_out
+        ${gen_dst}
+        ${_protobuf_include_path}
+        ${gen_src}
+    COMMAND
+        echo 1> ${gen_timestamp}
+    COMMENT "Generating protobuf ${protobuf_name} (${target_name})"
+    DEPENDS
+        ${executable}
+        ${gen_src}
+    VERBATIM
+    )
+    generate_target(${target_name} ${protobuf_name} ${gen_timestamp} "${gen_files}" ${gen_dst})
+endfunction()