cmake_minimum_required(VERSION 3.7)

# https://cmake.org/cmake/help/latest/variable/CMAKE_OSX_DEPLOYMENT_TARGET.html
set(CMAKE_OSX_DEPLOYMENT_TARGET "10.9" CACHE STRING "Minimum OS X deployment version")

project(VCVRack CXX)

set(CMAKE_CXX_STANDARD 14)

set(RACK_APP rack)

set(RACK_GIT_REV "UNKNOWN")

find_package(Git)
if(GIT_FOUND)
  execute_process(
    COMMAND ${GIT_EXECUTABLE} rev-parse --short HEAD
    WORKING_DIRECTORY "${PROJECT_SOURCE_DIR}"
    OUTPUT_VARIABLE RACK_GIT_REV
    ERROR_QUIET
    OUTPUT_STRIP_TRAILING_WHITESPACE
  )
else()
  message(WARNING "Git cmd not found")
endif()

set(RACK_BUILD_VERSION "1.dev.${RACK_GIT_REV}")
message( STATUS "build ${RACK_APP} version '${RACK_BUILD_VERSION}'")

include(${CMAKE_BINARY_DIR}/conanbuildinfo.cmake)
conan_basic_setup()

file(GLOB_RECURSE SOURCES src/*.cpp)
file(GLOB_RECURSE HEADERS include/*.hpp)
source_group("Header Files" FILES ${HEADERS})

add_executable(${RACK_APP} ${SOURCES})

target_compile_definitions(${RACK_APP} PRIVATE VERSION=${RACK_BUILD_VERSION})

if (MINGW)
  set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS TRUE)
  target_compile_definitions(${RACK_APP} PRIVATE _USE_MATH_DEFINES ARCH_WIN)
  set_target_properties(${RACK_APP} PROPERTIES LINK_FLAGS "-mwindows")
endif ()

if (MSVC)
  # https://docs.microsoft.com/en-us/cpp/build/reference/compiler-options-listed-by-category?view=vs-2019
  # /O2 /arch:AVX2 --> https://docs.microsoft.com/de-de/cpp/build/reference/arch-x64?view=vs-2019
  target_compile_definitions(${RACK_APP} PRIVATE _CRT_SECURE_NO_WARNINGS _USE_MATH_DEFINES ARCH_WIN)
else ()
  set_target_properties(${RACK_APP} PROPERTIES COMPILE_FLAGS "-march=nocona -funsafe-math-optimizations")
endif ()

if (CMAKE_CXX_COMPILER_ID MATCHES "^(GNU|Clang)")
  if (CMAKE_SYSTEM_NAME STREQUAL "Linux")
    target_compile_definitions(${RACK_APP} PRIVATE ARCH_LIN)
    set_target_properties(${RACK_APP} PROPERTIES LINK_FLAGS "-rdynamic")
  endif()
  set_target_properties(${RACK_APP} PROPERTIES COMPILE_FLAGS "-Wall -Wextra -Wno-unused-parameter")
elseif (CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang")
  target_compile_definitions(${RACK_APP} PRIVATE ARCH_MAC)
  set_target_properties(${RACK_APP} PROPERTIES COMPILE_FLAGS "-Wsuggest-override")
  set_target_properties(${RACK_APP} PROPERTIES LINK_FLAGS "-export_dynamic -undefined dynamic_lookup")
endif ()

target_include_directories(${RACK_APP} PRIVATE include)
conan_target_link_libraries(${RACK_APP})

if (MINGW)
  target_link_libraries(${RACK_APP} "shlwapi" "imagehlp")
endif ()