|
|
|
|
# If protobuf is found - libprotobuf target is available
|
|
|
|
|
|
|
|
|
|
set(HAVE_PROTOBUF FALSE)
|
|
|
|
|
|
|
|
|
|
if(NOT WITH_PROTOBUF)
|
|
|
|
|
return()
|
|
|
|
|
endif()
|
|
|
|
|
|
|
|
|
|
ocv_option(BUILD_PROTOBUF "Force to build libprotobuf from sources" ON)
|
|
|
|
|
ocv_option(PROTOBUF_UPDATE_FILES "Force rebuilding .proto files (protoc should be available)" OFF)
|
|
|
|
|
|
|
|
|
|
function(get_protobuf_version version include)
|
|
|
|
|
file(STRINGS "${include}/google/protobuf/stubs/common.h" ver REGEX "#define GOOGLE_PROTOBUF_VERSION [0-9]+")
|
|
|
|
|
string(REGEX MATCHALL "[0-9]+" ver ${ver})
|
|
|
|
|
math(EXPR major "${ver} / 1000000")
|
|
|
|
|
math(EXPR minor "${ver} / 1000 % 1000")
|
|
|
|
|
math(EXPR patch "${ver} % 1000")
|
|
|
|
|
set(${version} "${major}.${minor}.${patch}" PARENT_SCOPE)
|
|
|
|
|
endfunction()
|
|
|
|
|
|
|
|
|
|
if(BUILD_PROTOBUF)
|
|
|
|
|
add_subdirectory("${OpenCV_SOURCE_DIR}/3rdparty/protobuf")
|
|
|
|
|
set(HAVE_PROTOBUF TRUE)
|
|
|
|
|
else()
|
|
|
|
|
unset(Protobuf_VERSION CACHE)
|
|
|
|
|
find_package(Protobuf QUIET)
|
|
|
|
|
|
|
|
|
|
# Backwards compatibility
|
|
|
|
|
# Define camel case versions of input variables
|
|
|
|
|
foreach(UPPER
|
|
|
|
|
PROTOBUF_FOUND
|
|
|
|
|
PROTOBUF_LIBRARY
|
|
|
|
|
PROTOBUF_INCLUDE_DIR
|
|
|
|
|
PROTOBUF_VERSION
|
|
|
|
|
)
|
|
|
|
|
if (DEFINED ${UPPER})
|
|
|
|
|
string(REPLACE "PROTOBUF_" "Protobuf_" Camel ${UPPER})
|
|
|
|
|
if (NOT DEFINED ${Camel})
|
|
|
|
|
set(${Camel} ${${UPPER}})
|
|
|
|
|
endif()
|
|
|
|
|
endif()
|
|
|
|
|
endforeach()
|
|
|
|
|
# end of compatibility block
|
|
|
|
|
|
|
|
|
|
if(Protobuf_FOUND)
|
|
|
|
|
if(TARGET protobuf::libprotobuf)
|
|
|
|
|
add_library(libprotobuf INTERFACE)
|
|
|
|
|
target_link_libraries(libprotobuf INTERFACE protobuf::libprotobuf)
|
|
|
|
|
else()
|
|
|
|
|
add_library(libprotobuf UNKNOWN IMPORTED)
|
|
|
|
|
set_target_properties(libprotobuf PROPERTIES
|
|
|
|
|
IMPORTED_LOCATION "${Protobuf_LIBRARY}"
|
|
|
|
|
INTERFACE_INCLUDE_SYSTEM_DIRECTORIES "${Protobuf_INCLUDE_DIR}"
|
|
|
|
|
)
|
|
|
|
|
get_protobuf_version(Protobuf_VERSION "${Protobuf_INCLUDE_DIR}")
|
|
|
|
|
endif()
|
|
|
|
|
set(HAVE_PROTOBUF TRUE)
|
|
|
|
|
endif()
|
|
|
|
|
endif()
|
|
|
|
|
|
|
|
|
|
if(HAVE_PROTOBUF AND PROTOBUF_UPDATE_FILES AND NOT COMMAND PROTOBUF_GENERATE_CPP)
|
|
|
|
|
find_package(Protobuf QUIET)
|
|
|
|
|
if(NOT COMMAND PROTOBUF_GENERATE_CPP)
|
|
|
|
|
message(FATAL_ERROR "PROTOBUF_GENERATE_CPP command is not available")
|
|
|
|
|
endif()
|
|
|
|
|
endif()
|
|
|
|
|
|
|
|
|
|
if(HAVE_PROTOBUF)
|
|
|
|
|
list(APPEND CUSTOM_STATUS protobuf)
|
|
|
|
|
list(APPEND CUSTOM_STATUS_protobuf " Protobuf:"
|
|
|
|
|
BUILD_PROTOBUF THEN "build (${Protobuf_VERSION})"
|
|
|
|
|
ELSE "${Protobuf_LIBRARY} (${Protobuf_VERSION})")
|
|
|
|
|
endif()
|
