52 lines
1.7 KiB
Zig
52 lines
1.7 KiB
Zig
const std = @import("std");
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var _module: ?*std.build.Module = null;
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pub fn module(b: *std.Build) *std.build.Module {
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if (_module) |m| return m;
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_module = b.createModule(.{
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.source_file = .{ .path = sdkPath("/src/main.zig") },
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});
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return _module.?;
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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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const target = b.standardTargetOptions(.{});
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const test_step = b.step("test", "Run library tests");
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test_step.dependOn(&testStep(b, optimize, target).step);
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}
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pub fn testStep(b: *std.Build, optimize: std.builtin.OptimizeMode, target: std.zig.CrossTarget) *std.build.RunStep {
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const main_tests = b.addTest(.{
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.name = "model3d-tests",
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.root_source_file = .{ .path = sdkPath("/src/main.zig") },
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.target = target,
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.optimize = optimize,
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});
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link(b, main_tests, target);
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main_tests.install();
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return main_tests.run();
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}
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pub fn link(b: *std.Build, step: *std.build.CompileStep, target: std.zig.CrossTarget) void {
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const lib = b.addStaticLibrary(.{
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.name = "model3d",
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.target = target,
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.optimize = step.optimize,
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});
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// Note: model3d needs unaligned accesses, which are safe on all modern architectures.
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// See https://gitlab.com/bztsrc/model3d/-/issues/19
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lib.addCSourceFile(sdkPath("/src/c/m3d.c"), &.{ "-std=c89", "-fno-sanitize=alignment" });
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lib.linkLibC();
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step.addIncludePath(sdkPath("/src/c/"));
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step.linkLibrary(lib);
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}
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fn sdkPath(comptime suffix: []const u8) []const u8 {
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if (suffix[0] != '/') @compileError("suffix must be an absolute path");
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return comptime blk: {
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const root_dir = std.fs.path.dirname(@src().file) orelse ".";
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break :blk root_dir ++ suffix;
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};
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}
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