Squashed 'deps/nostalgia/' content from commit 9cb6bd4a

git-subtree-dir: deps/nostalgia
git-subtree-split: 9cb6bd4a32e9f39a858f72443ff5c6d40489fe22

deps/nfde/CMakeLists.txt

@@ -0,0 +1,41 @@
+cmake_minimum_required(VERSION 3.5)
+project(nativefiledialog-extended)
+
+if(NOT MSVC)
+	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -w")
+endif()
+
+set(nfd_PLATFORM Undefined)
+if(WIN32)
+  set(nfd_PLATFORM PLATFORM_WIN32)
+elseif(APPLE)
+  set(nfd_PLATFORM PLATFORM_MACOS)
+elseif(UNIX AND NOT APPLE)
+  set(nfd_PLATFORM PLATFORM_UNIX)
+endif()
+
+message("nfd Platform: ${nfd_PLATFORM}")
+
+set(nfd_COMPILER Undefined)
+if(CMAKE_CXX_COMPILER_ID STREQUAL "Clang" AND CMAKE_CXX_SIMULATE_ID STREQUAL "MSVC")
+  # This is clang-cl, which has different compiler options
+  set(nfd_COMPILER COMPILER_CLANGCL)
+elseif(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
+  set(nfd_COMPILER COMPILER_MSVC)
+elseif(CMAKE_CXX_COMPILER_ID STREQUAL "GNU" OR CMAKE_CXX_COMPILER_ID STREQUAL "Clang" OR CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang")
+  set(nfd_COMPILER COMPILER_GNU)
+endif()
+
+message("nfd Compiler: ${nfd_COMPILER}")
+
+# Use latest C++ by default (should be the best one), but let user override it
+if(NOT DEFINED CMAKE_CXX_STANDARD)
+  set (CMAKE_CXX_STANDARD 23)
+endif()
+
+add_subdirectory(src)
+
+option(NFD_BUILD_TESTS "Build tests for nfd" OFF)
+if(${NFD_BUILD_TESTS})
+  add_subdirectory(test)
+endif()