cmake_minimum_required (VERSION 3.0)

project (GazeTkProtocol)

# Versioning
set (GazeTkProtocol_VERSION_MAJOR 0)
set (GazeTkProtocol_VERSION_MINOR 1)

# configure the header of the library
configure_file (
  "${PROJECT_SOURCE_DIR}/src_cpp/Protocol.h.in"
  "${PROJECT_BINARY_DIR}/Protocol.h"
  )

# add the binary tree to the search path for include files
# so that the generated files are found
include_directories("${PROJECT_BINARY_DIR}")

# add the Google protobuf parts
find_package(Protobuf REQUIRED)
include_directories(${PROTOBUF_INCLUDE_DIRS})
include_directories(${CMAKE_CURRENT_BINARY_DIR})
set (PROTOBUF_IMPORT_DIRS specification)
PROTOBUF_GENERATE_CPP(PROTO_SRCS PROTO_HDRS specification/basic_types.proto specification/eye_data.proto specification/gaze2d_data.proto specification/gaze3d_data.proto)

# add the library
add_library(GazeTkProtocol STATIC src_cpp/protocol.cc ${PROTO_SRCS} ${PROTO_HDRS})
target_link_libraries(GazeTkProtocol ${PROTOBUF_LIBRARIES})