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- const std = @import("std");
- const page_size = 65536; // in bytes
- // Initial and max memory must correspond to the memory size defined in script.js.
- // TODO: This used to be 10 pages. Find out why this needs 17 pages.
- const wasm_initial_memory = 17 * page_size;
- const wasm_max_memory = wasm_initial_memory;
- pub fn build(b: *std.build.Builder) void {
- const lib = b.addSharedLibrary(.{
- .name = "DodgeBallz",
- .root_source_file = .{ .path = "src/main.zig" },
- .target = .{
- .cpu_arch = .wasm32,
- .os_tag = .freestanding,
- .abi = .musl,
- },
- .optimize = .ReleaseSmall,
- });
- // https://github.com/ziglang/zig/issues/8633
- lib.global_base = 6560;
- lib.rdynamic = true;
- lib.import_memory = true; // import linear memory from the environment
- lib.initial_memory = wasm_initial_memory; // initial size of the linear memory (1 page = 64kB)
- lib.max_memory = wasm_initial_memory; // maximum size of the linear memory
- // Pass options from the build script to the files being compiled. This is awesome!
- const lib_options = b.addOptions();
- lib.addOptions("build_options", lib_options);
- lib_options.addOption(usize, "memory_size", wasm_max_memory);
- // This declares intent for the library to be installed into the standard
- // location when the user invokes the "install" step (the default step when
- // running `zig build`).
- b.installArtifact(lib);
- }
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