Build c3c (v0.62.x) compiler using `build.zig` (bootstrap)

build.zig

//! Zig v0.13.0 or master
//! Recommended `-Doptimize=ReleaseSmall` or `-Doptimize=ReleaseFast` (disabling sanitizer)
const std = @import("std");

pub fn build(b: *std.Build) void {
    const target = b.standardTargetOptions(.{});
    const optimize = b.standardOptimizeOption(.{});

    // -Duse_tb
    const use_tb = b.option(bool, "use_tb", "Enable the tild backend") orelse false;

    const c3c = b.addExecutable(.{
        .name = "c3c",
        .target = target,
        .optimize = optimize,
    });
    c3c.addIncludePath(b.path("wrapper/include"));
    c3c.addIncludePath(b.path("dependencies/miniz"));
    c3c.addIncludePath(b.path("src"));

    // espressif-LLVM/18.0.2
    // https://github.com/kassane/zig-espressif-bootstrap/releases/download/0.14.0-xtensa-dev/llvm-libs+zstd+zlib-x86_64-linux-musl-baseline.tar.xz
    c3c.addLibraryPath(.{
        .cwd_relative = "../zig-espressif-bootstrap/out/x86_64-linux-musl-baseline/lib",
    });
    c3c.addIncludePath(.{
        .cwd_relative = "../zig-espressif-bootstrap/out/x86_64-linux-musl-baseline/include",
    });
    c3c.addCSourceFiles(.{
        .root = b.path("src"),
        .files = src,
    });
    c3c.addCSourceFiles(.{
        .root = b.path("dependencies/miniz"),
        .files = &.{
            "miniz.c",
        },
    });
    c3c.addCSourceFiles(.{
        .root = b.path("wrapper/src"),
        .files = &.{
            "wrapper.cpp",
        },
    });

    if (use_tb) {
        c3c.addCSourceFiles(.{
            .root = b.path("src"),
            .files = tilde_src,
        });
    }

    // linking
    c3c.linkSystemLibrary("z");
    c3c.linkSystemLibrary("zstd");
    for (clang_libs) |lib_name| {
        c3c.linkSystemLibrary(lib_name);
    }

    for (lld_libs) |lib_name| {
        c3c.linkSystemLibrary(lib_name);
    }

    for (llvm_libs) |lib_name| {
        c3c.linkSystemLibrary(lib_name);
    }
    if (c3c.rootModuleTarget().abi != .msvc) {
        c3c.linkLibCpp(); // libcxx + libunwind (statically linked) (mingw/glibc/musl/darwin/bsd)
    } else c3c.linkLibC(); // search msvc runtime + winsdk

    b.installArtifact(c3c);
}

const src = &.{
    "build/build_options.c",
    "build/builder.c",
    "build/common_build.c",
    "build/libraries.c",
    "build/project.c",
    "build/project_creation.c",
    "compiler/abi/c_abi.c",
    "compiler/abi/c_abi_aarch64.c",
    "compiler/abi/c_abi_riscv.c",
    "compiler/abi/c_abi_wasm.c",
    "compiler/abi/c_abi_win64.c",
    "compiler/abi/c_abi_x64.c",
    "compiler/abi/c_abi_x86.c",
    "compiler/asm_target.c",
    "compiler/ast.c",
    "compiler/bigint.c",
    "compiler/codegen_asm.c",
    "compiler/codegen_general.c",
    "compiler/compiler.c",
    "compiler/context.c",
    "compiler/copying.c",
    "compiler/decltable.c",
    "compiler/diagnostics.c",
    "compiler/expr.c",
    "compiler/float.c",
    "compiler/headers.c",
    "compiler/json_output.c",
    "compiler/lexer.c",
    "compiler/linker.c",
    "compiler/llvm_codegen.c",
    "compiler/llvm_codegen_builtins.c",
    "compiler/llvm_codegen_debug_info.c",
    "compiler/llvm_codegen_expr.c",
    "compiler/llvm_codegen_function.c",
    "compiler/llvm_codegen_instr.c",
    "compiler/llvm_codegen_module.c",
    "compiler/llvm_codegen_stmt.c",
    "compiler/llvm_codegen_storeload.c",
    "compiler/llvm_codegen_type.c",
    "compiler/llvm_codegen_value.c",
    "compiler/mac_support.c",
    "compiler/module.c",
    "compiler/number.c",
    "compiler/parse_expr.c",
    "compiler/parse_global.c",
    "compiler/parse_stmt.c",
    "compiler/parser.c",
    "compiler/sema_asm.c",
    "compiler/sema_builtins.c",
    "compiler/sema_casts.c",
    "compiler/sema_decls.c",
    "compiler/sema_errors.c",
    "compiler/sema_expr.c",
    "compiler/sema_initializers.c",
    "compiler/sema_liveness.c",
    "compiler/sema_name_resolution.c",
    "compiler/sema_passes.c",
    "compiler/sema_stmts.c",
    "compiler/sema_types.c",
    "compiler/semantic_analyser.c",
    "compiler/source_file.c",
    "compiler/subprocess.c",
    "compiler/symtab.c",
    "compiler/target.c",
    "compiler/tokens.c",
    "compiler/types.c",
    "compiler/windows_support.c",
    "compiler_tests/benchmark.c",
    "compiler_tests/shorttest.c",
    "compiler_tests/tests.c",
    "main.c",
    "utils/cpus.c",
    "utils/errors.c",
    "utils/file_utils.c",
    "utils/find_msvc.c",
    "utils/http.c",
    "utils/json.c",
    "utils/malloc.c",
    "utils/stringutils.c",
    "utils/taskqueue.c",
    "utils/time.c",
    "utils/unzipper.c",
    "utils/vmem.c",
    "utils/whereami.c",
};

const tilde_src = &.{
    "compiler/tilde_codegen.c",
    "compiler/tilde_codegen_abi.c",
    "compiler/tilde_codegen_expr.c",
    "compiler/tilde_codegen_instr.c",
    "compiler/tilde_codegen_stmt.c",
    "compiler/tilde_codegen_storeload.c",
    "compiler/tilde_codegen_type.c",
    "compiler/tilde_codegen_value.c",
};

// Based on Zig bootstrap
const clang_libs = [_][]const u8{
    "clangFrontendTool",
    "clangCodeGen",
    "clangFrontend",
    "clangDriver",
    "clangSerialization",
    "clangSema",
    "clangStaticAnalyzerFrontend",
    "clangStaticAnalyzerCheckers",
    "clangStaticAnalyzerCore",
    "clangAnalysis",
    "clangASTMatchers",
    "clangAST",
    "clangParse",
    "clangSema",
    "clangAPINotes",
    "clangBasic",
    "clangEdit",
    "clangLex",
    "clangARCMigrate",
    "clangRewriteFrontend",
    "clangRewrite",
    "clangCrossTU",
    "clangIndex",
    "clangToolingCore",
    "clangExtractAPI",
    "clangSupport",
};
const lld_libs = [_][]const u8{
    "lldMinGW",
    "lldELF",
    "lldCOFF",
    "lldWasm",
    "lldMachO",
    "lldCommon",
};
// This list can be re-generated with `llvm-config --libfiles` and then
// reformatting using your favorite text editor. Note we do not execute
// `llvm-config` here because we are cross compiling. Also omit LLVMTableGen
// from these libs.
const llvm_libs = [_][]const u8{
    "LLVMWindowsManifest",
    "LLVMXRay",
    "LLVMLibDriver",
    "LLVMDlltoolDriver",
    "LLVMTextAPIBinaryReader",
    "LLVMCoverage",
    "LLVMLineEditor",
    "LLVMXCoreDisassembler",
    "LLVMXCoreCodeGen",
    "LLVMXCoreDesc",
    "LLVMXCoreInfo",
    "LLVMX86TargetMCA",
    "LLVMX86Disassembler",
    "LLVMX86AsmParser",
    "LLVMX86CodeGen",
    "LLVMX86Desc",
    "LLVMX86Info",
    "LLVMWebAssemblyDisassembler",
    "LLVMWebAssemblyAsmParser",
    "LLVMWebAssemblyCodeGen",
    "LLVMWebAssemblyUtils",
    "LLVMWebAssemblyDesc",
    "LLVMWebAssemblyInfo",
    "LLVMVEDisassembler",
    "LLVMVEAsmParser",
    "LLVMVECodeGen",
    "LLVMVEDesc",
    "LLVMVEInfo",
    "LLVMSystemZDisassembler",
    "LLVMSystemZAsmParser",
    "LLVMSystemZCodeGen",
    "LLVMSystemZDesc",
    "LLVMSystemZInfo",
    "LLVMSparcDisassembler",
    "LLVMSparcAsmParser",
    "LLVMSparcCodeGen",
    "LLVMSparcDesc",
    "LLVMSparcInfo",
    "LLVMRISCVTargetMCA",
    "LLVMRISCVDisassembler",
    "LLVMRISCVAsmParser",
    "LLVMRISCVCodeGen",
    "LLVMRISCVDesc",
    "LLVMRISCVInfo",
    "LLVMPowerPCDisassembler",
    "LLVMPowerPCAsmParser",
    "LLVMPowerPCCodeGen",
    "LLVMPowerPCDesc",
    "LLVMPowerPCInfo",
    "LLVMNVPTXCodeGen",
    "LLVMNVPTXDesc",
    "LLVMNVPTXInfo",
    "LLVMMSP430Disassembler",
    "LLVMMSP430AsmParser",
    "LLVMMSP430CodeGen",
    "LLVMMSP430Desc",
    "LLVMMSP430Info",
    "LLVMMipsDisassembler",
    "LLVMMipsAsmParser",
    "LLVMMipsCodeGen",
    "LLVMMipsDesc",
    "LLVMMipsInfo",
    "LLVMLoongArchDisassembler",
    "LLVMLoongArchAsmParser",
    "LLVMLoongArchCodeGen",
    "LLVMLoongArchDesc",
    "LLVMLoongArchInfo",
    "LLVMLanaiDisassembler",
    "LLVMLanaiCodeGen",
    "LLVMLanaiAsmParser",
    "LLVMLanaiDesc",
    "LLVMLanaiInfo",
    "LLVMHexagonDisassembler",
    "LLVMHexagonCodeGen",
    "LLVMHexagonAsmParser",
    "LLVMHexagonDesc",
    "LLVMHexagonInfo",
    "LLVMBPFDisassembler",
    "LLVMBPFAsmParser",
    "LLVMBPFCodeGen",
    "LLVMBPFDesc",
    "LLVMBPFInfo",
    "LLVMAVRDisassembler",
    "LLVMAVRAsmParser",
    "LLVMAVRCodeGen",
    "LLVMAVRDesc",
    "LLVMAVRInfo",
    "LLVMARMDisassembler",
    "LLVMARMAsmParser",
    "LLVMARMCodeGen",
    "LLVMARMDesc",
    "LLVMARMUtils",
    "LLVMARMInfo",
    "LLVMAMDGPUTargetMCA",
    "LLVMAMDGPUDisassembler",
    "LLVMAMDGPUAsmParser",
    "LLVMAMDGPUCodeGen",
    "LLVMAMDGPUDesc",
    "LLVMAMDGPUUtils",
    "LLVMAMDGPUInfo",
    "LLVMAArch64Disassembler",
    "LLVMAArch64AsmParser",
    "LLVMAArch64CodeGen",
    "LLVMAArch64Desc",
    "LLVMAArch64Utils",
    "LLVMAArch64Info",
    "LLVMOrcDebugging",
    "LLVMOrcJIT",
    "LLVMWindowsDriver",
    "LLVMMCJIT",
    "LLVMJITLink",
    "LLVMInterpreter",
    "LLVMExecutionEngine",
    "LLVMRuntimeDyld",
    "LLVMOrcTargetProcess",
    "LLVMOrcShared",
    "LLVMDWP",
    "LLVMDebugInfoLogicalView",
    "LLVMDebugInfoGSYM",
    "LLVMOption",
    "LLVMObjectYAML",
    "LLVMObjCopy",
    "LLVMMCA",
    "LLVMMCDisassembler",
    "LLVMLTO",
    "LLVMPasses",
    "LLVMHipStdPar",
    "LLVMCFGuard",
    "LLVMCoroutines",
    "LLVMipo",
    "LLVMVectorize",
    "LLVMLinker",
    "LLVMInstrumentation",
    "LLVMFrontendOpenMP",
    "LLVMFrontendOffloading",
    "LLVMFrontendOpenACC",
    "LLVMFrontendHLSL",
    "LLVMFrontendDriver",
    "LLVMExtensions",
    "LLVMDWARFLinkerParallel",
    "LLVMDWARFLinkerClassic",
    "LLVMDWARFLinker",
    "LLVMGlobalISel",
    "LLVMMIRParser",
    "LLVMAsmPrinter",
    "LLVMSelectionDAG",
    "LLVMCodeGen",
    "LLVMTarget",
    "LLVMObjCARCOpts",
    "LLVMCodeGenTypes",
    "LLVMIRPrinter",
    "LLVMInterfaceStub",
    "LLVMFileCheck",
    "LLVMFuzzMutate",
    "LLVMScalarOpts",
    "LLVMInstCombine",
    "LLVMAggressiveInstCombine",
    "LLVMTransformUtils",
    "LLVMBitWriter",
    "LLVMAnalysis",
    "LLVMProfileData",
    "LLVMSymbolize",
    "LLVMDebugInfoBTF",
    "LLVMDebugInfoPDB",
    "LLVMDebugInfoMSF",
    "LLVMDebugInfoDWARF",
    "LLVMObject",
    "LLVMTextAPI",
    "LLVMMCParser",
    "LLVMIRReader",
    "LLVMAsmParser",
    "LLVMMC",
    "LLVMDebugInfoCodeView",
    "LLVMBitReader",
    "LLVMFuzzerCLI",
    "LLVMCore",
    "LLVMRemarks",
    "LLVMBitstreamReader",
    "LLVMBinaryFormat",
    "LLVMTargetParser",
    "LLVMSupport",
    "LLVMDemangle",
    "LLVMXtensaAsmParser",
    "LLVMXtensaDesc",
    "LLVMXtensaInfo",
    "LLVMXtensaCodeGen",
    "LLVMXtensaDisassembler",
};