wip trying to get orca wasm binary to build
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3D57C8938EA08E90
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@ -0,0 +1,19 @@
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@echo off
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:: compile wasm module
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set wasmFlags=--target=wasm32^
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--no-standard-libraries ^
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-fno-builtin ^
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-Wl,--no-entry ^
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-Wl,--export-dynamic ^
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-g ^
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-O2 ^
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-mbulk-memory ^
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-D__ORCA__ ^
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-isystem ..\..\src\libc-shim\include ^
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-I..\..\ext -I ..\..\src
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clang %wasmFlags% -o .\liborca.a ..\..\src\orca.c ..\..\src\libc-shim\src\*.c
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IF %ERRORLEVEL% NEQ 0 EXIT /B %ERRORLEVEL%
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zig build bundle
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@ -1,48 +1,96 @@
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const std = @import("std");
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pub fn build(b: *std.Build) void {
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fn addSourceString(str: []const u8, strings: *std.ArrayList(u8), sources: *std.ArrayList([]const u8)) !void {
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var begin = strings.items.len;
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try strings.appendSlice(str);
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var realstring = strings.items[begin..];
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try sources.append(realstring);
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}
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pub fn build(b: *std.Build) !void {
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const optimize = b.standardOptimizeOption(.{});
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// builds the wasm module out of the orca C sources and main.zig
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const lib = b.addSharedLibrary(.{
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.name = "module",
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.root_source_file = .{ .path = "src/main.zig" },
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.target = std.zig.CrossTarget{
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.cpu_arch = .wasm32,
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.os_tag = .freestanding,
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},
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.optimize = optimize,
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});
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lib.rdynamic = true;
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// const orca_sources = [_][]const u8{"../../src/orca.c"}; //, "../../src/libc-shim/src/*.c"
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const orca_sources = [_][]const u8{ "../../src/orca.c", "../../src/libc-shim/src/string.c" };
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const orca_compile_opts = [_][]const u8{
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"-D__ORCA__",
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"--no-standard-libraries",
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"-fno-builtin",
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"-I../../src",
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"-I../../src/libc-shim/include",
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"-I../../ext",
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"-Wl,--export-all",
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"-g",
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const wasm_target = std.zig.CrossTarget{
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.cpu_arch = .wasm32,
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.os_tag = .freestanding,
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};
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// -isystem ..\..\src\libc-shim\include ^
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// -I..\..\ext -I ..\..\src
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//NOTE(reuben) - Ideally we would build the orca wasm lib and link it all within build.zig, but there
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// seems to be a bug where the -mbulk-memory flag is ignored and memory.copy and
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// memory.fill instructions aren't generated, leading the memcpy and memset instructions
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// to become infinitely recursive, crashing the program. So for now we build the orca
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// wasm lib with clang and link it in here.
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lib.addIncludePath(.{ .path = "../../src" });
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lib.addIncludePath(.{ .path = "../../src/libc-shim/include" });
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lib.addIncludePath(.{ .path = "../../ext" });
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lib.addCSourceFiles(&orca_sources, &orca_compile_opts);
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// var orca_source_strings = try std.ArrayList(u8).initCapacity(b.allocator, 1024 * 4);
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// var orca_sources = try std.ArrayList([]const u8).initCapacity(b.allocator, 128);
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// defer orca_source_strings.deinit();
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// defer orca_sources.deinit();
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// {
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// try addSourceString("../../src/orca.c", &orca_source_strings, &orca_sources);
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// var libc_shim_dir = try std.fs.cwd().openIterableDir("../../src/libc-shim/src", .{});
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// var walker = try libc_shim_dir.walk(b.allocator);
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// defer walker.deinit();
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// while (try walker.next()) |entry| {
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// const extension = std.fs.path.extension(entry.path);
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// if (std.mem.eql(u8, extension, ".c")) {
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// var path_buffer: [std.fs.MAX_PATH_BYTES]u8 = undefined;
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// var abs_path = try libc_shim_dir.dir.realpath(entry.path, &path_buffer);
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// try addSourceString(abs_path, &orca_source_strings, &orca_sources);
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// // std.debug.print("adding libc shim source: {s}\n", .{abs_path});
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// }
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// }
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// }
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// const orca_compile_opts = [_][]const u8{
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// "-D__ORCA__",
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// "--no-standard-libraries",
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// "-fno-builtin",
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// "-isystem ../../src/libc-shim/include",
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// "-I../../src",
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// "-I../../ext",
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// "-O2",
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// "-mbulk-memory",
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// "-Wl,--no-entry",
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// "-Wl,--export-all",
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// "-g",
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// };
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// var orca_lib = b.addStaticLibrary(.{
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// .name = "orca",
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// .target = wasm_target,
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// .optimize = optimize,
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// });
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// orca_lib.rdynamic = true;
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// orca_lib.addIncludePath(.{ .path = "../../src" });
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// orca_lib.addIncludePath(.{ .path = "../../src/libc-shim/include" });
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// orca_lib.addIncludePath(.{ .path = "../../ext" });
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// orca_lib.addCSourceFiles(orca_sources.items, &orca_compile_opts);
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// b.installArtifact(orca_lib);
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// builds the wasm module out of the orca C sources and main.zig
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const wasm_lib = b.addSharedLibrary(.{
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.name = "module",
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.root_source_file = .{ .path = "src/main.zig" },
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.target = wasm_target,
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.optimize = optimize,
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});
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wasm_lib.rdynamic = true;
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const orca_module: *std.Build.Module = b.createModule(.{
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.source_file = .{ .path = "../../src/orca.zig" },
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});
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lib.addModule("orca", orca_module);
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wasm_lib.addIncludePath(.{ .path = "../../src" });
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wasm_lib.addIncludePath(.{ .path = "../../src/libc-shim/include" });
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wasm_lib.addIncludePath(.{ .path = "../../ext" });
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wasm_lib.addModule("orca", orca_module);
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// wasm_lib.linkLibrary(orca_lib);
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wasm_lib.addLibraryPath(.{ .path = "." });
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wasm_lib.linkSystemLibrary("orca");
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// copies the wasm module into zig-out/lib
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b.installArtifact(lib);
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// copies the wasm module into zig-out/wasm_lib
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b.installArtifact(wasm_lib);
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// Runs the orca build command
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const bundle_cmd_str = [_][]const u8{ "orca", "bundle", "--orca-dir", "../..", "--name", "Calc", "--icon", "icon.png", "--resource-dir", "data", "zig-out/lib/module.wasm" };
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