diff options
Diffstat (limited to 'CMakeLists.txt')
| -rw-r--r-- | CMakeLists.txt | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 15c6e03c0..ca2284ffc 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -15,6 +15,10 @@ if(NOT CMAKE_BUILD_TYPE) set(CMAKE_BUILD_TYPE Debug) endif() +if (EMSCRIPTEN) + set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/os/emscripten/cmake") +endif() + set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake") set(CMAKE_OSX_DEPLOYMENT_TARGET 10.9) @@ -232,6 +236,39 @@ if(APPLE) ) endif() +if(EMSCRIPTEN) + add_library(WASM::WASM INTERFACE IMPORTED) + + # Allow heap-growth, and start with a bigger memory size. + target_link_libraries(WASM::WASM INTERFACE "-s ALLOW_MEMORY_GROWTH=1") + target_link_libraries(WASM::WASM INTERFACE "-s INITIAL_MEMORY=33554432") + + # Export functions to Javascript. + target_link_libraries(WASM::WASM INTERFACE "-s EXPORTED_FUNCTIONS='[\"_main\", \"_em_openttd_add_server\"]' -s EXTRA_EXPORTED_RUNTIME_METHODS='[\"cwrap\"]'") + + # Preload all the files we generate during build. + # As we do not compile with FreeType / FontConfig, we also have no way to + # render several languages (like Chinese, ..), so where do you draw the + # line what languages to include and which not? In the end, especially as + # the more languages you add the slower downloading becomes, we decided to + # only ship the English language. + target_link_libraries(WASM::WASM INTERFACE "--preload-file ${CMAKE_BINARY_DIR}/baseset@/baseset") + target_link_libraries(WASM::WASM INTERFACE "--preload-file ${CMAKE_BINARY_DIR}/lang/english.lng@/lang/english.lng") + target_link_libraries(WASM::WASM INTERFACE "--preload-file ${CMAKE_SOURCE_DIR}/bin/ai@/ai") + target_link_libraries(WASM::WASM INTERFACE "--preload-file ${CMAKE_SOURCE_DIR}/bin/game@/game") + + # We use IDBFS for persistent storage. + target_link_libraries(WASM::WASM INTERFACE "-lidbfs.js") + + # Use custom pre-js and shell.html. + target_link_libraries(WASM::WASM INTERFACE "--pre-js ${CMAKE_SOURCE_DIR}/os/emscripten/pre.js") + target_link_libraries(WASM::WASM INTERFACE "--shell-file ${CMAKE_SOURCE_DIR}/os/emscripten/shell.html") + + # Build the .html (which builds the .js, .wasm, and .data too). + set_target_properties(openttd PROPERTIES SUFFIX ".html") + target_link_libraries(openttd WASM::WASM) +endif() + if(NOT PERSONAL_DIR STREQUAL "(not set)") add_definitions( -DWITH_PERSONAL_DIR |