How to Build

Windows with Visual Studio's IDE

Use the provided project file (example_sdl3_surface.vcxproj) or open imgui_examples.sln.

Windows with Visual Studio's CLI

Use build_win32.bat or directly:

set SDL3_DIR=path_to_your_sdl3_folder
cl /Zi /MD /utf-8 /I.. /I..\.. /I%SDL3_DIR%\include main.cpp ..\..\backends\imgui_impl_sdl3.cpp ..\..\backends\imgui_impl_sdlsurface3.cpp ..\..\imgui*.cpp /FeDebug/example_sdl3_surface.exe /FoDebug/ /link /libpath:%SDL3_DIR%\lib\x86 SDL3.lib /subsystem:console
cl /Zi /MD /utf-8 /I.. /I..\.. /I%SDL3_DIR%\include main.cpp ..\..\backends\imgui_impl_sdl3.cpp ..\..\backends\imgui_impl_sdlsurface3.cpp ..\..\imgui*.cpp /FeDebug/example_sdl3_surface.exe /FoDebug/ /link /libpath:%SDL3_DIR%\lib\x64 SDL3.lib /subsystem:console

Linux and similar Unixes

Use the provided Makefile or directly:

c++ `pkg-config --cflags sdl3` -I .. -I ../.. -I ../../backends \
  main.cpp ../../backends/imgui_impl_sdl3.cpp ../../backends/imgui_impl_sdlsurface3.cpp ../../imgui*.cpp \
  -ldl `pkg-config --libs sdl3`

macOS

Use the provided Makefile or directly:

brew install sdl3
c++ `pkg-config --cflags sdl3` -I .. -I ../.. -I ../../backends \
  main.cpp ../../backends/imgui_impl_sdl3.cpp ../../backends/imgui_impl_sdlsurface3.cpp ../../imgui*.cpp \
  -framework Cocoa -framework IOKit -framework CoreVideo `pkg-config --libs sdl3`

Emscripten

Use Makefile.emscripten:

source /path/to/emsdk/emsdk_env.sh
make -f Makefile.emscripten

This produces web/index.html, web/index.js, and web/index.wasm.

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