41 lines
1.5 KiB
Zig
41 lines
1.5 KiB
Zig
const std = @import("std");
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pub const pkg = std.build.Pkg{
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.name = "model3d",
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.source = .{ .path = sdkPath("/src/main.zig") },
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};
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pub fn build(b: *std.build.Builder) void {
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const mode = b.standardReleaseOptions();
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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, mode, target).step);
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}
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pub fn testStep(b: *std.build.Builder, mode: std.builtin.Mode, target: std.zig.CrossTarget) *std.build.RunStep {
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const main_tests = b.addTestExe("model3d-tests", "src/main.zig");
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main_tests.setBuildMode(mode);
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main_tests.setTarget(target);
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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.Builder, step: *std.build.LibExeObjStep, target: std.zig.CrossTarget) void {
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const lib = b.addStaticLibrarySource("model3d", null);
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lib.setTarget(target);
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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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