swift-build/Sources/SWBApplePlatform/Specs/MetalLinker.xcspec at d92cb98e12f18da4ab8b78697228226765bbf640 · jakepetroules/swift-build · GitHub

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//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift open source project
//
// Copyright (c) 2025 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See http://swift.org/LICENSE.txt for license information
// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//

(
    {
        Type = Compiler;
        Identifier = "com.apple.compilers.metal-linker";
        Name = "Metal Linker";
        Description = "Links Metal AIR files";
        CommandLine = "metal [options] [inputs]";
        RuleName = "MetalLink [output]";
        ExecDescription = "Linking Metal AIR $(OutputFile:file)";
        ProgressDescription = "Linking Metal AIR $(CommandProgressByType)";
        InputFileTypes = (
            "compiled.air",
        );
        InputFileGroupings = (
            tool,
        );
        Outputs = (
            "$(MTLLINKER_OUTPUT_FILE)",
        );
        OutputsAreProducts = YES;
        IsArchitectureNeutral = YES;
        SynthesizeBuildRule = YES;
        CommandOutputParser = "XCGccCommandOutputParser";
        Options = (
            {
                Name = "MTLLINKER_TARGET_TRIPLE";
                Type = String;
                DefaultValue = "air64-$(LLVM_TARGET_TRIPLE_VENDOR)-$(LLVM_TARGET_TRIPLE_OS_VERSION)$(LLVM_TARGET_TRIPLE_SUFFIX)";
                CommandLineArgs = ( "-target", "$(value)" );
            },
            {
                Name = "MTLLINKER_INCLUDE_SOURCE";
                Type = String;
                CommandLineArgs = ( "-frecord-sources" );
                Condition = "$(MTL_ENABLE_DEBUG_INFO) == INCLUDE_SOURCE";
            },
            {
                Name = "MTLLINKER_OUTPUT_FILE";
                Type = String;
                DefaultValue = "$(METAL_LIBRARY_OUTPUT_DIR)/$(METAL_LIBRARY_FILE_BASE).metallib";
                CommandLineArgs = (
                    "-o",
                    "$(value)",
                );
            },
            {
                Name = "MTL_LANGUAGE_REVISION_optgen";
                Type = Enumeration;
                DefaultValue = "$(MTL_LANGUAGE_REVISION)";
                Values = (
                    UseDeploymentTarget,
                    iOSMetal10,
                    Metal11,
                    Metal12,
                    Metal20,
                    Metal21,
                    Metal22,
                    Metal23,
                    Metal24,
                );
                CommandLineArgs = {
                    UseDeploymentTarget = (  );
                    iOSMetal10 = ( "-std=$(MTL_LANGUAGE_REVISION_dialect)-metal1.0", );
                    Metal11 = ( "-std=$(MTL_LANGUAGE_REVISION_dialect)-metal1.1", );
                    Metal12 = ( "-std=$(MTL_LANGUAGE_REVISION_dialect)-metal1.2", );
                    Metal20 = ( "-std=$(MTL_LANGUAGE_REVISION_dialect)-metal2.0", );
                    Metal21 = ( "-std=$(MTL_LANGUAGE_REVISION_dialect)-metal2.1", );
                    Metal22 = ( "-std=$(MTL_LANGUAGE_REVISION_dialect)-metal2.2", );
                    Metal23 = ( "-std=$(MTL_LANGUAGE_REVISION_dialect)-metal2.3", );
                    Metal24 = ( "-std=$(MTL_LANGUAGE_REVISION_dialect)-metal2.4", );
                    Metal30 = ( "-std=metal3.0", );
                    Metal31 = ( "-std=metal3.1", );
                    Metal32 = ( "-std=metal3.2", );
                    Metal40 = ( "-std=metal4.0", );
                };
            },
            {
                Name = "MTLLINKER_FLAGS";
                Type = StringList;
                Category = BuildOptions;
                DefaultValue = "";
                CommandLinePrefixFlag = "";
            },
            {
                Name = "MTLLINKER_ALTERNATE_LINKER";
                Type = String;
                CommandLineArgs = {
                    "" = ();
                    "<<otherwise>>" = ( "-fuse-ld=$(value)" );
                };
            },
            {
                Name = SDKROOT;
                Type = Path;
                SetValueInEnvironmentVariable = SDKROOT;
            },
        );
        IncludeInUnionedToolDefaults = NO;
    },
)