How to Build

Windows with Visual Studio's IDE

Use the provided project file (example_sdl2_surface.vcxproj) or open imgui_examples.sln.

Windows with Visual Studio's CLI

Use build_win32.bat or directly:

set SDL2_DIR=path_to_your_sdl2_folder
cl /Zi /MD /utf-8 /I.. /I..\.. /I%SDL2_DIR%\include main.cpp ..\..\backends\imgui_impl_sdl2.cpp ..\..\backends\imgui_impl_sdlsurface2.cpp ..\..\imgui*.cpp /FeDebug/example_sdl2_surface.exe /FoDebug/ /link /libpath:%SDL2_DIR%\lib\x86 SDL2.lib SDL2main.lib /subsystem:console
#                 ^^ include paths                  ^^ source files                                                                                       ^^ output exe                      ^^ output dir   ^^ libraries
# or for 64-bit:
cl /Zi /MD /utf-8 /I.. /I..\.. /I%SDL2_DIR%\include main.cpp ..\..\backends\imgui_impl_sdl2.cpp ..\..\backends\imgui_impl_sdlsurface2.cpp ..\..\imgui*.cpp /FeDebug/example_sdl2_surface.exe /FoDebug/ /link /libpath:%SDL2_DIR%\lib\x64 SDL2.lib SDL2main.lib /subsystem:console

Linux and similar Unixes

Use the provided Makefile or directly:

c++ `sdl2-config --cflags` -I .. -I ../.. -I ../../backends \
  main.cpp ../../backends/imgui_impl_sdl2.cpp ../../backends/imgui_impl_sdlsurface2.cpp ../../imgui*.cpp \
  `sdl2-config --libs`

macOS

Use the provided Makefile or directly:

brew install sdl2
c++ `sdl2-config --cflags` -I .. -I ../.. -I ../../backends \
  main.cpp ../../backends/imgui_impl_sdl2.cpp ../../backends/imgui_impl_sdlsurface2.cpp ../../imgui*.cpp \
  `sdl2-config --libs`

Emscripten

Use Makefile.emscripten:

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

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

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