38 lines
1.4 KiB
Zig
38 lines
1.4 KiB
Zig
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const std = @import("std");
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pub fn build(b: *std.build.Builder) void {
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const mode = b.standardReleaseOptions();
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// Wasm Object file which we will use to infer the features from
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const c_obj = b.addObject("c_obj", null);
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c_obj.setTarget(.{ .cpu_arch = .wasm32, .os_tag = .freestanding });
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c_obj.target.cpu_model = .{ .explicit = &std.Target.wasm.cpu.bleeding_edge };
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c_obj.addCSourceFile("foo.c", &.{});
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c_obj.setBuildMode(mode);
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// Wasm library that doesn't have any features specified. This will
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// infer its featureset from other linked object files.
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const lib = b.addSharedLibrary("lib", "main.zig", .unversioned);
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lib.setTarget(.{ .cpu_arch = .wasm32, .os_tag = .freestanding });
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lib.target.cpu_model = .{ .explicit = &std.Target.wasm.cpu.mvp };
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lib.setBuildMode(mode);
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lib.use_llvm = false;
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lib.use_lld = false;
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lib.addObject(c_obj);
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// Verify the result contains the features from the C Object file.
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const check = lib.checkObject(.wasm);
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check.checkStart("name target_features");
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check.checkNext("features 7");
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check.checkNext("+ atomics");
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check.checkNext("+ bulk-memory");
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check.checkNext("+ mutable-globals");
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check.checkNext("+ nontrapping-fptoint");
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check.checkNext("+ sign-ext");
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check.checkNext("+ simd128");
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check.checkNext("+ tail-call");
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const test_step = b.step("test", "Run linker test");
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test_step.dependOn(&check.step);
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}
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