CMakeLists.txt

cmake_minimum_required(VERSION 3.0.2)
project(tinyobjviewer)

# Enable C++11 mode on GCC / Clang
if (CMAKE_CXX_COMPILER_ID MATCHES "GNU")
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=gnu++11")
elseif (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
endif ()

# Compile with compiler warnings
if (MSVC)
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /MP")

  if (CMAKE_CXX_FLAGS MATCHES "/W[0-4]")
    string(REGEX REPLACE "/W[0-4]" "/W4" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
  else ()
    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /W4")
  endif ()
elseif (CMAKE_CXX_COMPILER_ID MATCHES "Clang" OR CMAKE_CXX_COMPILER_ID MATCHES "GNU")
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra -Wno-unused-parameter")
  if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-gnu-anonymous-struct -Wno-c99-extensions -Wno-nested-anon-types")
  endif ()
endif ()

# Build NanoGUI
set(NANOGUI_BUILD_EXAMPLE OFF CACHE BOOL " " FORCE)
set(NANOGUI_BUILD_SHARED OFF CACHE BOOL " " FORCE)
set(NANOGUI_BUILD_PYTHON OFF CACHE BOOL " " FORCE)
add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/external/nanogui ext_build/nanogui)
set_property(TARGET nanogui glfw glfw_objects PROPERTY FOLDER "dependencies")

#build TinyObjLoader
add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/external/tinyobjloader ext_build/tinyobjloader)


# Header file directories of dependency libraries
include_directories(
    ${CMAKE_CURRENT_SOURCE_DIR}/external/nanogui/include
    ${CMAKE_CURRENT_SOURCE_DIR}/external/tinyobjloader
    ${NANOGUI_EXTRA_INCS} # Eigen, GLFW, NanoVG, GLAD
    src/
)

add_executable(tinyobjviewer
    src/main.cpp
    src/Viewer.cpp
    src/Mesh.cpp
    )

add_definitions(${NANOGUI_EXTRA_DEFS})
target_link_libraries(tinyobjviewer nanogui ${NANOGUI_EXTRA_LIBS} tinyobjloader)