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107fe8d5e4
CMake/Modules/FindProtobuf.cmake
André Apitzsch 107fe8d5e4 FindProtobuf: fix documentation typo 
Fix typo in documentation added by commit v3.10.0-rc1~18^2
(FindProtobuf: add flag to allow descriptor files to be generated,
2017-09-21).
2017-10-06 09:18:48 -04:00

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# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
# file Copyright.txt or https://cmake.org/licensing for details.
#.rst:
# FindProtobuf
# ------------
#
# Locate and configure the Google Protocol Buffers library.
#
# The following variables can be set and are optional:
#
# ``Protobuf_SRC_ROOT_FOLDER``
# When compiling with MSVC, if this cache variable is set
# the protobuf-default VS project build locations
# (vsprojects/Debug and vsprojects/Release
# or vsprojects/x64/Debug and vsprojects/x64/Release)
# will be searched for libraries and binaries.
# ``Protobuf_IMPORT_DIRS``
# List of additional directories to be searched for
# imported .proto files.
# ``Protobuf_DEBUG``
# Show debug messages.
# ``Protobuf_USE_STATIC_LIBS``
# Set to ON to force the use of the static libraries.
# Default is OFF.
#
# Defines the following variables:
#
# ``Protobuf_FOUND``
# Found the Google Protocol Buffers library
# (libprotobuf & header files)
# ``Protobuf_VERSION``
# Version of package found.
# ``Protobuf_INCLUDE_DIRS``
# Include directories for Google Protocol Buffers
# ``Protobuf_LIBRARIES``
# The protobuf libraries
# ``Protobuf_PROTOC_LIBRARIES``
# The protoc libraries
# ``Protobuf_LITE_LIBRARIES``
# The protobuf-lite libraries
#
# The following :prop_tgt:`IMPORTED` targets are also defined:
#
# ``protobuf::libprotobuf``
# The protobuf library.
# ``protobuf::libprotobuf-lite``
# The protobuf lite library.
# ``protobuf::libprotoc``
# The protoc library.
# ``protobuf::protoc``
# The protoc compiler.
#
# The following cache variables are also available to set or use:
#
# ``Protobuf_LIBRARY``
# The protobuf library
# ``Protobuf_PROTOC_LIBRARY``
# The protoc library
# ``Protobuf_INCLUDE_DIR``
# The include directory for protocol buffers
# ``Protobuf_PROTOC_EXECUTABLE``
# The protoc compiler
# ``Protobuf_LIBRARY_DEBUG``
# The protobuf library (debug)
# ``Protobuf_PROTOC_LIBRARY_DEBUG``
# The protoc library (debug)
# ``Protobuf_LITE_LIBRARY``
# The protobuf lite library
# ``Protobuf_LITE_LIBRARY_DEBUG``
# The protobuf lite library (debug)
#
# Example:
#
# .. code-block:: cmake
#
# find_package(Protobuf REQUIRED)
# include_directories(${Protobuf_INCLUDE_DIRS})
# include_directories(${CMAKE_CURRENT_BINARY_DIR})
# protobuf_generate_cpp(PROTO_SRCS PROTO_HDRS foo.proto)
# protobuf_generate_cpp(PROTO_SRCS PROTO_HDRS EXPORT_MACRO DLL_EXPORT foo.proto)
# protobuf_generate_cpp(PROTO_SRCS PROTO_HDRS DESCRIPTORS PROTO_DESCS foo.proto)
# protobuf_generate_python(PROTO_PY foo.proto)
# add_executable(bar bar.cc ${PROTO_SRCS} ${PROTO_HDRS})
# target_link_libraries(bar ${Protobuf_LIBRARIES})
#
# .. note::
# The ``protobuf_generate_cpp`` and ``protobuf_generate_python``
# functions and :command:`add_executable` or :command:`add_library`
# calls only work properly within the same directory.
#
# .. command:: protobuf_generate_cpp
#
# Add custom commands to process ``.proto`` files to C++::
#
# protobuf_generate_cpp (<SRCS> <HDRS>
# [DESCRIPTORS <DESC>] [EXPORT_MACRO <MACRO>] [<ARGN>...])
#
# ``SRCS``
# Variable to define with autogenerated source files
# ``HDRS``
# Variable to define with autogenerated header files
# ``DESCRIPTORS``
# Variable to define with autogenerated descriptor files, if requested.
# ``EXPORT_MACRO``
# is a macro which should expand to ``__declspec(dllexport)`` or
# ``__declspec(dllimport)`` depending on what is being compiled.
# ``ARGN``
# ``.proto`` files
#
# .. command:: protobuf_generate_python
#
# Add custom commands to process ``.proto`` files to Python::
#
# protobuf_generate_python (<PY> [<ARGN>...])
#
# ``PY``
# Variable to define with autogenerated Python files
# ``ARGN``
# ``.proto`` filess
function(PROTOBUF_GENERATE_CPP SRCS HDRS)
cmake_parse_arguments(protobuf "" "EXPORT_MACRO;DESCRIPTORS" "" ${ARGN})
set(PROTO_FILES "${protobuf_UNPARSED_ARGUMENTS}")
if(NOT PROTO_FILES)
message(SEND_ERROR "Error: PROTOBUF_GENERATE_CPP() called without any proto files")
return()
endif()
if(protobuf_EXPORT_MACRO)
set(DLL_EXPORT_DECL "dllexport_decl=${protobuf_EXPORT_MACRO}:")
endif()
if(PROTOBUF_GENERATE_CPP_APPEND_PATH)
# Create an include path for each file specified
foreach(FIL ${PROTO_FILES})
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()
endforeach()
else()
set(_protobuf_include_path -I ${CMAKE_CURRENT_SOURCE_DIR})
endif()
if(DEFINED PROTOBUF_IMPORT_DIRS AND NOT DEFINED Protobuf_IMPORT_DIRS)
set(Protobuf_IMPORT_DIRS "${PROTOBUF_IMPORT_DIRS}")
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 ${ABS_PATH})
endif()
endforeach()
endif()
set(${SRCS})
set(${HDRS})
if (protobuf_DESCRIPTORS)
set(${protobuf_DESCRIPTORS})
endif()
foreach(FIL ${PROTO_FILES})
get_filename_component(ABS_FIL ${FIL} ABSOLUTE)
get_filename_component(FIL_WE ${FIL} NAME_WE)
if(NOT PROTOBUF_GENERATE_CPP_APPEND_PATH)
get_filename_component(FIL_DIR ${FIL} DIRECTORY)
if(FIL_DIR)
set(FIL_WE "${FIL_DIR}/${FIL_WE}")
endif()
endif()
set(_protobuf_protoc_src "${CMAKE_CURRENT_BINARY_DIR}/${FIL_WE}.pb.cc")
set(_protobuf_protoc_hdr "${CMAKE_CURRENT_BINARY_DIR}/${FIL_WE}.pb.h")
list(APPEND ${SRCS} "${_protobuf_protoc_src}")
list(APPEND ${HDRS} "${_protobuf_protoc_hdr}")
if(protobuf_DESCRIPTORS)
set(_protobuf_protoc_desc "${CMAKE_CURRENT_BINARY_DIR}/${FIL_WE}.desc")
set(_protobuf_protoc_flags "--descriptor_set_out=${_protobuf_protoc_desc}")
list(APPEND ${protobuf_DESCRIPTORS} "${_protobuf_protoc_desc}")
else()
set(_protobuf_protoc_desc "")
set(_protobuf_protoc_flags "")
endif()
add_custom_command(
OUTPUT "${_protobuf_protoc_src}"
"${_protobuf_protoc_hdr}"
${_protobuf_protoc_desc}
COMMAND protobuf::protoc
"--cpp_out=${DLL_EXPORT_DECL}${CMAKE_CURRENT_BINARY_DIR}"
${_protobuf_protoc_flags}
${_protobuf_include_path} ${ABS_FIL}
DEPENDS ${ABS_FIL} protobuf::protoc
COMMENT "Running C++ protocol buffer compiler on ${FIL}"
VERBATIM )
endforeach()
set(${SRCS} "${${SRCS}}" PARENT_SCOPE)
set(${HDRS} "${${HDRS}}" PARENT_SCOPE)
if(protobuf_DESCRIPTORS)
set(${protobuf_DESCRIPTORS} "${${protobuf_DESCRIPTORS}}" PARENT_SCOPE)
endif()
endfunction()
function(PROTOBUF_GENERATE_PYTHON SRCS)
if(NOT ARGN)
message(SEND_ERROR "Error: PROTOBUF_GENERATE_PYTHON() called without any proto files")
return()
endif()
if(PROTOBUF_GENERATE_CPP_APPEND_PATH)
# Create an include path for each file specified
foreach(FIL ${ARGN})
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()
endforeach()
else()
set(_protobuf_include_path -I ${CMAKE_CURRENT_SOURCE_DIR})
endif()
if(DEFINED PROTOBUF_IMPORT_DIRS AND NOT DEFINED Protobuf_IMPORT_DIRS)
set(Protobuf_IMPORT_DIRS "${PROTOBUF_IMPORT_DIRS}")
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 ${ABS_PATH})
endif()
endforeach()
endif()
set(${SRCS})
foreach(FIL ${ARGN})
get_filename_component(ABS_FIL ${FIL} ABSOLUTE)
get_filename_component(FIL_WE ${FIL} NAME_WE)
if(NOT PROTOBUF_GENERATE_CPP_APPEND_PATH)
get_filename_component(FIL_DIR ${FIL} DIRECTORY)
if(FIL_DIR)
set(FIL_WE "${FIL_DIR}/${FIL_WE}")
endif()
endif()
list(APPEND ${SRCS} "${CMAKE_CURRENT_BINARY_DIR}/${FIL_WE}_pb2.py")
add_custom_command(
OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/${FIL_WE}_pb2.py"
COMMAND protobuf::protoc --python_out ${CMAKE_CURRENT_BINARY_DIR} ${_protobuf_include_path} ${ABS_FIL}
DEPENDS ${ABS_FIL} protobuf::protoc
COMMENT "Running Python protocol buffer compiler on ${FIL}"
VERBATIM )
endforeach()
set(${SRCS} ${${SRCS}} PARENT_SCOPE)
endfunction()
if(Protobuf_DEBUG)
# Output some of their choices
message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] "
"Protobuf_USE_STATIC_LIBS = ${Protobuf_USE_STATIC_LIBS}")
endif()
# Backwards compatibility
# Define camel case versions of input variables
foreach(UPPER
PROTOBUF_SRC_ROOT_FOLDER
PROTOBUF_IMPORT_DIRS
PROTOBUF_DEBUG
PROTOBUF_LIBRARY
PROTOBUF_PROTOC_LIBRARY
PROTOBUF_INCLUDE_DIR
PROTOBUF_PROTOC_EXECUTABLE
PROTOBUF_LIBRARY_DEBUG
PROTOBUF_PROTOC_LIBRARY_DEBUG
PROTOBUF_LITE_LIBRARY
PROTOBUF_LITE_LIBRARY_DEBUG
)
if (DEFINED ${UPPER})
string(REPLACE "PROTOBUF_" "Protobuf_" Camel ${UPPER})
if (NOT DEFINED ${Camel})
set(${Camel} ${${UPPER}})
endif()
endif()
endforeach()
if(CMAKE_SIZEOF_VOID_P EQUAL 8)
set(_PROTOBUF_ARCH_DIR x64/)
endif()
# Support preference of static libs by adjusting CMAKE_FIND_LIBRARY_SUFFIXES
if( Protobuf_USE_STATIC_LIBS )
set( _protobuf_ORIG_CMAKE_FIND_LIBRARY_SUFFIXES ${CMAKE_FIND_LIBRARY_SUFFIXES})
if(WIN32)
set(CMAKE_FIND_LIBRARY_SUFFIXES .lib .a ${CMAKE_FIND_LIBRARY_SUFFIXES})
else()
set(CMAKE_FIND_LIBRARY_SUFFIXES .a )
endif()
endif()
include(${CMAKE_CURRENT_LIST_DIR}/SelectLibraryConfigurations.cmake)
# Internal function: search for normal library as well as a debug one
# if the debug one is specified also include debug/optimized keywords
# in *_LIBRARIES variable
function(_protobuf_find_libraries name filename)
if(${name}_LIBRARIES)
# Use result recorded by a previous call.
return()
elseif(${name}_LIBRARY)
# Honor cache entry used by CMake 3.5 and lower.
set(${name}_LIBRARIES "${${name}_LIBRARY}" PARENT_SCOPE)
else()
find_library(${name}_LIBRARY_RELEASE
NAMES ${filename}
PATHS ${Protobuf_SRC_ROOT_FOLDER}/vsprojects/${_PROTOBUF_ARCH_DIR}Release)
mark_as_advanced(${name}_LIBRARY_RELEASE)
find_library(${name}_LIBRARY_DEBUG
NAMES ${filename}d ${filename}
PATHS ${Protobuf_SRC_ROOT_FOLDER}/vsprojects/${_PROTOBUF_ARCH_DIR}Debug)
mark_as_advanced(${name}_LIBRARY_DEBUG)
select_library_configurations(${name})
set(${name}_LIBRARY "${${name}_LIBRARY}" PARENT_SCOPE)
set(${name}_LIBRARIES "${${name}_LIBRARIES}" PARENT_SCOPE)
endif()
endfunction()
# Internal function: find threads library
function(_protobuf_find_threads)
set(CMAKE_THREAD_PREFER_PTHREAD TRUE)
find_package(Threads)
if(Threads_FOUND)
list(APPEND Protobuf_LIBRARIES ${CMAKE_THREAD_LIBS_INIT})
set(Protobuf_LIBRARIES "${Protobuf_LIBRARIES}" PARENT_SCOPE)
endif()
endfunction()
#
# Main.
#
# By default have PROTOBUF_GENERATE_CPP macro pass -I to protoc
# for each directory where a proto file is referenced.
if(NOT DEFINED PROTOBUF_GENERATE_CPP_APPEND_PATH)
set(PROTOBUF_GENERATE_CPP_APPEND_PATH TRUE)
endif()
# Google's provided vcproj files generate libraries with a "lib"
# prefix on Windows
if(MSVC)
set(Protobuf_ORIG_FIND_LIBRARY_PREFIXES "${CMAKE_FIND_LIBRARY_PREFIXES}")
set(CMAKE_FIND_LIBRARY_PREFIXES "lib" "")
find_path(Protobuf_SRC_ROOT_FOLDER protobuf.pc.in)
endif()
# The Protobuf library
_protobuf_find_libraries(Protobuf protobuf)
#DOC "The Google Protocol Buffers RELEASE Library"
_protobuf_find_libraries(Protobuf_LITE protobuf-lite)
# The Protobuf Protoc Library
_protobuf_find_libraries(Protobuf_PROTOC protoc)
# Restore original find library prefixes
if(MSVC)
set(CMAKE_FIND_LIBRARY_PREFIXES "${Protobuf_ORIG_FIND_LIBRARY_PREFIXES}")
endif()
if(UNIX)
_protobuf_find_threads()
endif()
# Find the include directory
find_path(Protobuf_INCLUDE_DIR
google/protobuf/service.h
PATHS ${Protobuf_SRC_ROOT_FOLDER}/src
)
mark_as_advanced(Protobuf_INCLUDE_DIR)
# Find the protoc Executable
find_program(Protobuf_PROTOC_EXECUTABLE
NAMES protoc
DOC "The Google Protocol Buffers Compiler"
PATHS
${Protobuf_SRC_ROOT_FOLDER}/vsprojects/${_PROTOBUF_ARCH_DIR}Release
${Protobuf_SRC_ROOT_FOLDER}/vsprojects/${_PROTOBUF_ARCH_DIR}Debug
)
mark_as_advanced(Protobuf_PROTOC_EXECUTABLE)
if(Protobuf_DEBUG)
message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] "
"requested version of Google Protobuf is ${Protobuf_FIND_VERSION}")
endif()
if(Protobuf_INCLUDE_DIR)
set(_PROTOBUF_COMMON_HEADER ${Protobuf_INCLUDE_DIR}/google/protobuf/stubs/common.h)
if(Protobuf_DEBUG)
message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] "
"location of common.h: ${_PROTOBUF_COMMON_HEADER}")
endif()
set(Protobuf_VERSION "")
set(Protobuf_LIB_VERSION "")
file(STRINGS ${_PROTOBUF_COMMON_HEADER} _PROTOBUF_COMMON_H_CONTENTS REGEX "#define[ \t]+GOOGLE_PROTOBUF_VERSION[ \t]+")
if(_PROTOBUF_COMMON_H_CONTENTS MATCHES "#define[ \t]+GOOGLE_PROTOBUF_VERSION[ \t]+([0-9]+)")
set(Protobuf_LIB_VERSION "${CMAKE_MATCH_1}")
endif()
unset(_PROTOBUF_COMMON_H_CONTENTS)
math(EXPR _PROTOBUF_MAJOR_VERSION "${Protobuf_LIB_VERSION} / 1000000")
math(EXPR _PROTOBUF_MINOR_VERSION "${Protobuf_LIB_VERSION} / 1000 % 1000")
math(EXPR _PROTOBUF_SUBMINOR_VERSION "${Protobuf_LIB_VERSION} % 1000")
set(Protobuf_VERSION "${_PROTOBUF_MAJOR_VERSION}.${_PROTOBUF_MINOR_VERSION}.${_PROTOBUF_SUBMINOR_VERSION}")
if(Protobuf_DEBUG)
message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] "
"${_PROTOBUF_COMMON_HEADER} reveals protobuf ${Protobuf_VERSION}")
endif()
# Check Protobuf compiler version to be aligned with libraries version
execute_process(COMMAND ${Protobuf_PROTOC_EXECUTABLE} --version
OUTPUT_VARIABLE _PROTOBUF_PROTOC_EXECUTABLE_VERSION)
if("${_PROTOBUF_PROTOC_EXECUTABLE_VERSION}" MATCHES "libprotoc ([0-9.]+)")
set(_PROTOBUF_PROTOC_EXECUTABLE_VERSION "${CMAKE_MATCH_1}")
endif()
if(Protobuf_DEBUG)
message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] "
"${Protobuf_PROTOC_EXECUTABLE} reveals version ${_PROTOBUF_PROTOC_EXECUTABLE_VERSION}")
endif()
if(NOT "${_PROTOBUF_PROTOC_EXECUTABLE_VERSION}" VERSION_EQUAL "${Protobuf_VERSION}")
message(WARNING "Protobuf compiler version ${_PROTOBUF_PROTOC_EXECUTABLE_VERSION}"
" doesn't match library version ${Protobuf_VERSION}")
endif()
if(Protobuf_LIBRARY)
if(NOT TARGET protobuf::libprotobuf)
add_library(protobuf::libprotobuf UNKNOWN IMPORTED)
set_target_properties(protobuf::libprotobuf PROPERTIES
INTERFACE_INCLUDE_DIRECTORIES "${Protobuf_INCLUDE_DIR}")
if(EXISTS "${Protobuf_LIBRARY}")
set_target_properties(protobuf::libprotobuf PROPERTIES
IMPORTED_LOCATION "${Protobuf_LIBRARY}")
endif()
if(EXISTS "${Protobuf_LIBRARY_RELEASE}")
set_property(TARGET protobuf::libprotobuf APPEND PROPERTY
IMPORTED_CONFIGURATIONS RELEASE)
set_target_properties(protobuf::libprotobuf PROPERTIES
IMPORTED_LOCATION_RELEASE "${Protobuf_LIBRARY_RELEASE}")
endif()
if(EXISTS "${Protobuf_LIBRARY_DEBUG}")
set_property(TARGET protobuf::libprotobuf APPEND PROPERTY
IMPORTED_CONFIGURATIONS DEBUG)
set_target_properties(protobuf::libprotobuf PROPERTIES
IMPORTED_LOCATION_DEBUG "${Protobuf_LIBRARY_DEBUG}")
endif()
endif()
endif()
if(Protobuf_LITE_LIBRARY)
if(NOT TARGET protobuf::libprotobuf-lite)
add_library(protobuf::libprotobuf-lite UNKNOWN IMPORTED)
set_target_properties(protobuf::libprotobuf-lite PROPERTIES
INTERFACE_INCLUDE_DIRECTORIES "${Protobuf_INCLUDE_DIR}")
if(EXISTS "${Protobuf_LITE_LIBRARY}")
set_target_properties(protobuf::libprotobuf-lite PROPERTIES
IMPORTED_LOCATION "${Protobuf_LITE_LIBRARY}")
endif()
if(EXISTS "${Protobuf_LITE_LIBRARY_RELEASE}")
set_property(TARGET protobuf::libprotobuf-lite APPEND PROPERTY
IMPORTED_CONFIGURATIONS RELEASE)
set_target_properties(protobuf::libprotobuf-lite PROPERTIES
IMPORTED_LOCATION_RELEASE "${Protobuf_LITE_LIBRARY_RELEASE}")
endif()
if(EXISTS "${Protobuf_LITE_LIBRARY_DEBUG}")
set_property(TARGET protobuf::libprotobuf-lite APPEND PROPERTY
IMPORTED_CONFIGURATIONS DEBUG)
set_target_properties(protobuf::libprotobuf-lite PROPERTIES
IMPORTED_LOCATION_DEBUG "${Protobuf_LITE_LIBRARY_DEBUG}")
endif()
endif()
endif()
if(Protobuf_PROTOC_LIBRARY)
if(NOT TARGET protobuf::libprotoc)
add_library(protobuf::libprotoc UNKNOWN IMPORTED)
set_target_properties(protobuf::libprotoc PROPERTIES
INTERFACE_INCLUDE_DIRECTORIES "${Protobuf_INCLUDE_DIR}")
if(EXISTS "${Protobuf_PROTOC_LIBRARY}")
set_target_properties(protobuf::libprotoc PROPERTIES
IMPORTED_LOCATION "${Protobuf_PROTOC_LIBRARY}")
endif()
if(EXISTS "${Protobuf_PROTOC_LIBRARY_RELEASE}")
set_property(TARGET protobuf::libprotoc APPEND PROPERTY
IMPORTED_CONFIGURATIONS RELEASE)
set_target_properties(protobuf::libprotoc PROPERTIES
IMPORTED_LOCATION_RELEASE "${Protobuf_PROTOC_LIBRARY_RELEASE}")
endif()
if(EXISTS "${Protobuf_PROTOC_LIBRARY_DEBUG}")
set_property(TARGET protobuf::libprotoc APPEND PROPERTY
IMPORTED_CONFIGURATIONS DEBUG)
set_target_properties(protobuf::libprotoc PROPERTIES
IMPORTED_LOCATION_DEBUG "${Protobuf_PROTOC_LIBRARY_DEBUG}")
endif()
endif()
endif()
if(Protobuf_PROTOC_EXECUTABLE)
if(NOT TARGET protobuf::protoc)
add_executable(protobuf::protoc IMPORTED)
if(EXISTS "${Protobuf_PROTOC_EXECUTABLE}")
set_target_properties(protobuf::protoc PROPERTIES
IMPORTED_LOCATION "${Protobuf_PROTOC_EXECUTABLE}")
endif()
endif()
endif()
endif()
include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(Protobuf
REQUIRED_VARS Protobuf_LIBRARIES Protobuf_INCLUDE_DIR
VERSION_VAR Protobuf_VERSION
)
if(Protobuf_FOUND)
set(Protobuf_INCLUDE_DIRS ${Protobuf_INCLUDE_DIR})
endif()
# Restore the original find library ordering
if( Protobuf_USE_STATIC_LIBS )
set(CMAKE_FIND_LIBRARY_SUFFIXES ${_protobuf_ORIG_CMAKE_FIND_LIBRARY_SUFFIXES})
endif()
# Backwards compatibility
# Define upper case versions of output variables
foreach(Camel
Protobuf_SRC_ROOT_FOLDER
Protobuf_IMPORT_DIRS
Protobuf_DEBUG
Protobuf_INCLUDE_DIRS
Protobuf_LIBRARIES
Protobuf_PROTOC_LIBRARIES
Protobuf_LITE_LIBRARIES
Protobuf_LIBRARY
Protobuf_PROTOC_LIBRARY
Protobuf_INCLUDE_DIR
Protobuf_PROTOC_EXECUTABLE
Protobuf_LIBRARY_DEBUG
Protobuf_PROTOC_LIBRARY_DEBUG
Protobuf_LITE_LIBRARY
Protobuf_LITE_LIBRARY_DEBUG
)
string(TOUPPER ${Camel} UPPER)
set(${UPPER} ${${Camel}})
endforeach()
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