CMakeLists.txt

cmake_minimum_required(VERSION 3.15)
project(mildred)

set(DESCRIPTION "Mildred - graphing / plotting leveraging Qt3D")
set(AUTHOR "T. Youngs")
set(VERSION_MAJOR "0")
set(VERSION_MINOR "1")
set(VERSION_PATCH "0")

if(NOT CMAKE_BUILD_TYPE)
  set(CMAKE_BUILD_TYPE "Release")
endif()

# Find includes in corresponding build directories
set(CMAKE_INCLUDE_CURRENT_DIR ON)

# Make sure CMake won't try to generate rules for moc (we will do it ourselves)
set(CMAKE_AUTOMOC OFF)
set(CMAKE_AUTOUIC ON)

# Set policy for automatic linkage of Qt libs to project
cmake_policy(SET CMP0020 NEW)

# Request C++17 Standard Support (Required for std::optional and auto types in
# lambda parameters)
set(CMAKE_CXX_STANDARD 17)

if(APPLE)
  set(CMAKE_PREFIX_PATH "${QT_BASE_DIR}")
endif(APPLE)

find_package(OpenGL REQUIRED)
find_package(
  Qt6
  COMPONENTS Core
             Gui
             Widgets
             3DCore
             3DExtras
             3DRender
             3DExtras
             REQUIRED)

# Make sure CMake won't try to generate rules for moc (we will do it ourselves)
set(CMAKE_AUTOMOC OFF)

# Set policy for automatic linkage of Qt libs to project
cmake_policy(SET CMP0020 NEW)

# Perform platform-specific setup #

# -- Windows
if(WIN32)
  # Add defines for Windows systems - NOMINMAX to prevent conflicts with
  # std::min() and std::max()
  add_definitions(-DNOMINMAX)
  add_definitions(/Zc:__cplusplus)
endif(WIN32)

# -- Unix
if(UNIX)
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fPIC")
endif(UNIX)

# -- OSX
if(APPLE)
  # Set some specific C++11 related options here (set_property below does not
  # seem to persist)
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++")

  set(CMAKE_OSX_ARCHITECTURES "x86_64")
  add_definitions(-D_MAC)
endif(APPLE)

set(LIBRARY_OUTPUT_PATH ${PROJECT_BINARY_DIR}/${CMAKE_INSTALL_LIBDIR})
set(EXECUTABLE_OUTPUT_PATH ${PROJECT_BINARY_DIR}/${CMAKE_INSTALL_BINDIR})

# Add main library subdir
add_subdirectory(src/)

# Examples
option(BUILD_EXAMPLES "Build example executables" ON)
if(BUILD_EXAMPLES)
  add_subdirectory(examples/)
endif(BUILD_EXAMPLES)