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Protobuf: restore 'DESCRIPTORS' support

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This was not present in the upstream code.
This commit is contained in:
André Apitzsch
2018-07-13 13:04:19 +02:00
committed by Brad King
parent 1385b4b113
commit 2ae2d0bd3e
1 changed files with 23 additions and 4 deletions
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27
Modules/FindProtobuf.cmake
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@@ -122,7 +122,7 @@
function(protobuf_generate)
include(CMakeParseArguments)
set(_options APPEND_PATH)
set(_options APPEND_PATH DESCRIPTORS)
set(_singleargs LANGUAGE OUT_VAR EXPORT_MACRO PROTOC_OUT_DIR)
if(COMMAND target_sources)
list(APPEND _singleargs TARGET)
@@ -212,12 +212,18 @@ function(protobuf_generate)
foreach(_ext ${protobuf_generate_GENERATE_EXTENSIONS})
list(APPEND _generated_srcs "${protobuf_generate_PROTOC_OUT_DIR}/${_rel_dir}/${_basename}${_ext}")
endforeach()
if(protobuf_generate_DESCRIPTORS AND protobuf_generate_LANGUAGE STREQUAL cpp)
set(_descriptor_file "${CMAKE_CURRENT_BINARY_DIR}/${_basename}.desc")
set(_dll_desc_out "--descriptor_set_out=${_descriptor_file}")
list(APPEND _generated_srcs ${_descriptor_file})
endif()
list(APPEND _generated_srcs_all ${_generated_srcs})
add_custom_command(
OUTPUT ${_generated_srcs}
COMMAND protobuf::protoc
ARGS --${protobuf_generate_LANGUAGE}_out ${_dll_export_decl}${protobuf_generate_PROTOC_OUT_DIR}/${_rel_dir} ${_protobuf_include_path} ${_abs_file}
ARGS --${protobuf_generate_LANGUAGE}_out ${_dll_export_decl}${protobuf_generate_PROTOC_OUT_DIR}/${_rel_dir} ${_dll_desc_out} ${_protobuf_include_path} ${_abs_file}
DEPENDS ${_abs_file} protobuf::protoc
COMMENT "Running ${protobuf_generate_LANGUAGE} protocol buffer compiler on ${_proto}"
VERBATIM )
@@ -233,7 +239,7 @@ function(protobuf_generate)
endfunction()
function(PROTOBUF_GENERATE_CPP SRCS HDRS)
cmake_parse_arguments(protobuf_generate_cpp "" "EXPORT_MACRO" "" ${ARGN})
cmake_parse_arguments(protobuf_generate_cpp "" "EXPORT_MACRO;DESCRIPTORS" "" ${ARGN})
set(_proto_files "${protobuf_generate_cpp_UNPARSED_ARGUMENTS}")
if(NOT _proto_files)
@@ -245,6 +251,10 @@ function(PROTOBUF_GENERATE_CPP SRCS HDRS)
set(_append_arg APPEND_PATH)
endif()
if(protobuf_generate_cpp_DESCRIPTORS)
set(_descriptors DESCRIPTORS)
endif()
if(DEFINED PROTOBUF_IMPORT_DIRS AND NOT DEFINED Protobuf_IMPORT_DIRS)
set(Protobuf_IMPORT_DIRS "${PROTOBUF_IMPORT_DIRS}")
endif()
@@ -254,19 +264,28 @@ function(PROTOBUF_GENERATE_CPP SRCS HDRS)
endif()
set(_outvar)
protobuf_generate(${_append_arg} LANGUAGE cpp EXPORT_MACRO ${protobuf_generate_cpp_EXPORT_MACRO} OUT_VAR _outvar ${_import_arg} PROTOS ${_proto_files})
protobuf_generate(${_append_arg} ${_descriptors} LANGUAGE cpp EXPORT_MACRO ${protobuf_generate_cpp_EXPORT_MACRO} OUT_VAR _outvar ${_import_arg} PROTOS ${_proto_files})
set(${SRCS})
set(${HDRS})
if(protobuf_generate_cpp_DESCRIPTORS)
set(${protobuf_generate_cpp_DESCRIPTORS})
endif()
foreach(_file ${_outvar})
if(_file MATCHES "cc$")
list(APPEND ${SRCS} ${_file})
elseif(_file MATCHES "desc$")
list(APPEND ${protobuf_generate_cpp_DESCRIPTORS} ${_file})
else()
list(APPEND ${HDRS} ${_file})
endif()
endforeach()
set(${SRCS} ${${SRCS}} PARENT_SCOPE)
set(${HDRS} ${${HDRS}} PARENT_SCOPE)
if(protobuf_generate_cpp_DESCRIPTORS)
set(${protobuf_generate_cpp_DESCRIPTORS} "${${protobuf_generate_cpp_DESCRIPTORS}}" PARENT_SCOPE)
endif()
endfunction()
function(PROTOBUF_GENERATE_PYTHON SRCS)