CMakeLists.txt

cmake_minimum_required( VERSION 3.1 )
project( DLIB_EM )

set( CMAKE_CXX_STANDARD 17 )
set(COMPRESSION_DEBUG_FLAG " -O0 ")
set(COMPRESSION_RELEASE_FLAG " -Oz ")
#set(DEBUG_DEFINES " -DDEBUG_EM ")
set(DEBUG_FLAGS " -g -sASSERTIONS=1 --profiling -s DEMANGLE_SUPPORT=1 ")
set(MEMORY_OPTION " -s TOTAL_MEMORY=268435456 -s ALLOW_MEMORY_GROWTH=1 ")
set(FLAGS " -s USE_LIBJPEG=1 -sFORCE_FILESYSTEM -s EXPORTED_RUNTIME_METHODS=['FS'] -DDLIB_JPEG_SUPPORT ")
set(INCLUDES " -I../emscripten/dlib ")
set(SRC " ../src/image_example.cpp ")
set(LINK_LIBS " ../build/emscripten/dlib/dlib/libdlib.a ")

add_subdirectory(emscripten/dlib)

include_directories(emscripten/dlib)
include_directories(src/include)

# different commands for Debug or Release mode.
if(CMAKE_BUILD_TYPE STREQUAL Release)   
    add_executable(dlib_em emscripten/bindings/dlib_em.cpp )
    set_target_properties(dlib PROPERTIES LINK_FLAGS " -sFORCE_FILESYSTEM ")
    add_dependencies(dlib_em dlib)
    target_link_libraries(dlib_em ${dlib} )
    set_target_properties(dlib_em PROPERTIES LINK_FLAGS " ${COMPRESSION_RELEASE_FLAG} ${MEMORY_OPTION}  ${INCLUDES} ${SRC} ${LINK_LIBS} --bind ${FLAGS} ")
elseif(CMAKE_BUILD_TYPE STREQUAL Debug)
    set(CMAKE_CXX_FLAGS " ${DEBUG_DEFINES} ")
    add_executable(dlib_em_debug emscripten/bindings/dlib_em.cpp )
    add_dependencies(dlib_em_debug dlib)
    target_link_libraries(dlib_em_debug ${dlib} )
    set_target_properties(dlib_em_debug PROPERTIES LINK_FLAGS " ${COMPRESSION_DEBUG_FLAG} ${MEMORY_OPTION} ${DEBUG_FLAGS} ${INCLUDES} ${SRC} ${LINK_LIBS} --bind ${FLAGS} ")
else()
    message("Unsupported build type")
endif()