vcpkg/triplets/community/wasm32-emscripten.cmake

set(VCPKG_ENV_PASSTHROUGH_UNTRACKED EMSCRIPTEN_ROOT EMSDK PATH)

if(NOT DEFINED ENV{EMSCRIPTEN_ROOT})
   find_path(EMSCRIPTEN_ROOT "emcc")
else()
   set(EMSCRIPTEN_ROOT "$ENV{EMSCRIPTEN_ROOT}")
endif()

if(NOT EMSCRIPTEN_ROOT)
   if(NOT DEFINED ENV{EMSDK})
      message(FATAL_ERROR "The emcc compiler not found in PATH")
   endif()
   set(EMSCRIPTEN_ROOT "$ENV{EMSDK}/upstream/emscripten")
endif()

if(NOT EXISTS "${EMSCRIPTEN_ROOT}/cmake/Modules/Platform/Emscripten.cmake")
   message(FATAL_ERROR "Emscripten.cmake toolchain file not found")
endif()

set(VCPKG_TARGET_ARCHITECTURE wasm32)
set(VCPKG_CRT_LINKAGE dynamic)
set(VCPKG_LIBRARY_LINKAGE static)
set(VCPKG_CMAKE_SYSTEM_NAME Emscripten)
set(VCPKG_CHAINLOAD_TOOLCHAIN_FILE "${EMSCRIPTEN_ROOT}/cmake/Modules/Platform/Emscripten.cmake")