CMakeLists.txt

set(WASI_VERSION_FULL "19.0")
set(WASI_SDK_PATH $ENV{HOME}/deps/wasi-sdk-${WASI_VERSION_FULL})
set(CMAKE_C_COMPILER "${WASI_SDK_PATH}/bin/clang")
set(CMAKE_CXX_COMPILER "${WASI_SDK_PATH}/bin/clang++")

cmake_minimum_required(VERSION 3.10)
project(mandelbrot)

set(CMAKE_CXX_STANDARD 17)

set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)

set(CMAKE_CONFIGURATION_TYPES "Release" CACHE STRING "" FORCE)

set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} --target=wasm32-wasi")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O0")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++17")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-exceptions")

set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--import-memory")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--no-entry")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--export-dynamic")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -nostartfiles")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--allow-undefined-file=${PROJECT_SOURCE_DIR}/Mandelbrot.syms")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -L ${WASI_SDK_PATH}/share/wasi-sysroot/lib/wasm32-wasi")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -L ${WASI_SDK_PATH}/lib/clang/13.0.0/lib/wasi")

file(GLOB_RECURSE SOURCES ${PROJECT_SOURCE_DIR}/src/*.cpp ${PROJECT_SOURCE_DIR}/src/*.h)

add_executable(${PROJECT_NAME}.wasm ${SOURCES})