CMakeLists.txt

CMAKE_MINIMUM_REQUIRED(VERSION 2.6 FATAL_ERROR)
CMAKE_POLICY(VERSION 2.6)
IF(LUAROCKS_PREFIX)
    MESSAGE(STATUS "Installing Torch through Luarocks")
    STRING(REGEX REPLACE "(.*)lib/luarocks/rocks.*" "\\1" CMAKE_INSTALL_PREFIX  "${LUAROCKS_PREFIX}")
    MESSAGE(STATUS "Prefix inferred from Luarocks: ${CMAKE_INSTALL_PREFIX}")
ENDIF()
FIND_PACKAGE(Torch REQUIRED)

if (UNIX AND NOT APPLE)
    add_subdirectory (opencv)
    add_subdirectory (video4linux)
endif (UNIX AND NOT APPLE)

if (APPLE)
    add_subdirectory (opencv)
    if (OpenCV_FOUND)
        set(useOpenCV "true")
    else()
        if(NOT ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang"))
            message (ERROR "clang is required to build libcammacos")
        endif()
        set(useOpenCV "false")
        add_subdirectory (macos)
    endif()
endif (APPLE)

if (NOT UNIX)
    message (ERROR "This package only builds on Unix platforms")
endif (NOT UNIX)

SET(src)
SET(luasrc "${CMAKE_BINARY_DIR}/init.lua")
configure_file(init.lua.in "${luasrc}")
install_files(/lua/camera "${luasrc}")
ADD_TORCH_PACKAGE(camera "${src}" "${luasrc}" "Image Processing")