mirror of
https://github.com/ziglang/zig.git
synced 2025-12-06 14:23:09 +00:00
Print using the target query rather than the resolved target. This makes it print "native" when compiling for the native target.
1851 lines
68 KiB
Zig
1851 lines
68 KiB
Zig
const builtin = @import("builtin");
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const std = @import("std");
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const mem = std.mem;
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const fs = std.fs;
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const assert = std.debug.assert;
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const panic = std.debug.panic;
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const ArrayList = std.ArrayList;
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const StringHashMap = std.StringHashMap;
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const Sha256 = std.crypto.hash.sha2.Sha256;
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const Allocator = mem.Allocator;
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const Step = std.Build.Step;
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const LazyPath = std.Build.LazyPath;
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const PkgConfigPkg = std.Build.PkgConfigPkg;
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const PkgConfigError = std.Build.PkgConfigError;
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const RunError = std.Build.RunError;
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const Module = std.Build.Module;
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const InstallDir = std.Build.InstallDir;
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const GeneratedFile = std.Build.GeneratedFile;
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const Compile = @This();
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pub const base_id: Step.Id = .compile;
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step: Step,
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root_module: Module,
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name: []const u8,
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linker_script: ?LazyPath = null,
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version_script: ?[]const u8 = null,
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out_filename: []const u8,
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out_lib_filename: []const u8,
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linkage: ?Linkage = null,
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version: ?std.SemanticVersion,
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kind: Kind,
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major_only_filename: ?[]const u8,
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name_only_filename: ?[]const u8,
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// keep in sync with src/link.zig:CompressDebugSections
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compress_debug_sections: enum { none, zlib, zstd } = .none,
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verbose_link: bool,
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verbose_cc: bool,
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bundle_compiler_rt: ?bool = null,
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rdynamic: bool,
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import_memory: bool = false,
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export_memory: bool = false,
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/// For WebAssembly targets, this will allow for undefined symbols to
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/// be imported from the host environment.
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import_symbols: bool = false,
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import_table: bool = false,
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export_table: bool = false,
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initial_memory: ?u64 = null,
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max_memory: ?u64 = null,
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shared_memory: bool = false,
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global_base: ?u64 = null,
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/// Set via options; intended to be read-only after that.
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zig_lib_dir: ?LazyPath,
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exec_cmd_args: ?[]const ?[]const u8,
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filter: ?[]const u8,
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test_evented_io: bool = false,
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test_runner: ?[]const u8,
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test_server_mode: bool,
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wasi_exec_model: ?std.builtin.WasiExecModel = null,
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installed_headers: ArrayList(*Step),
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// keep in sync with src/Compilation.zig:RcIncludes
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/// Behavior of automatic detection of include directories when compiling .rc files.
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/// any: Use MSVC if available, fall back to MinGW.
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/// msvc: Use MSVC include paths (must be present on the system).
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/// gnu: Use MinGW include paths (distributed with Zig).
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/// none: Do not use any autodetected include paths.
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rc_includes: enum { any, msvc, gnu, none } = .any,
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/// (Windows) .manifest file to embed in the compilation
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/// Set via options; intended to be read-only after that.
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win32_manifest: ?LazyPath = null,
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installed_path: ?[]const u8,
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/// Base address for an executable image.
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image_base: ?u64 = null,
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libc_file: ?LazyPath = null,
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each_lib_rpath: ?bool = null,
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/// On ELF targets, this will emit a link section called ".note.gnu.build-id"
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/// which can be used to coordinate a stripped binary with its debug symbols.
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/// As an example, the bloaty project refuses to work unless its inputs have
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/// build ids, in order to prevent accidental mismatches.
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/// The default is to not include this section because it slows down linking.
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build_id: ?std.zig.BuildId = null,
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/// Create a .eh_frame_hdr section and a PT_GNU_EH_FRAME segment in the ELF
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/// file.
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link_eh_frame_hdr: bool = false,
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link_emit_relocs: bool = false,
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/// Place every function in its own section so that unused ones may be
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/// safely garbage-collected during the linking phase.
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link_function_sections: bool = false,
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/// Place every data in its own section so that unused ones may be
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/// safely garbage-collected during the linking phase.
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link_data_sections: bool = false,
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/// Remove functions and data that are unreachable by the entry point or
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/// exported symbols.
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link_gc_sections: ?bool = null,
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/// (Windows) Whether or not to enable ASLR. Maps to the /DYNAMICBASE[:NO] linker argument.
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linker_dynamicbase: bool = true,
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linker_allow_shlib_undefined: ?bool = null,
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/// Permit read-only relocations in read-only segments. Disallowed by default.
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link_z_notext: bool = false,
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/// Force all relocations to be read-only after processing.
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link_z_relro: bool = true,
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/// Allow relocations to be lazily processed after load.
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link_z_lazy: bool = false,
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/// Common page size
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link_z_common_page_size: ?u64 = null,
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/// Maximum page size
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link_z_max_page_size: ?u64 = null,
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/// (Darwin) Install name for the dylib
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install_name: ?[]const u8 = null,
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/// (Darwin) Path to entitlements file
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entitlements: ?[]const u8 = null,
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/// (Darwin) Size of the pagezero segment.
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pagezero_size: ?u64 = null,
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/// (Darwin) Set size of the padding between the end of load commands
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/// and start of `__TEXT,__text` section.
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headerpad_size: ?u32 = null,
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/// (Darwin) Automatically Set size of the padding between the end of load commands
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/// and start of `__TEXT,__text` section to a value fitting all paths expanded to MAXPATHLEN.
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headerpad_max_install_names: bool = false,
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/// (Darwin) Remove dylibs that are unreachable by the entry point or exported symbols.
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dead_strip_dylibs: bool = false,
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/// Position Independent Executable
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pie: ?bool = null,
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dll_export_fns: ?bool = null,
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subsystem: ?std.Target.SubSystem = null,
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/// How the linker must handle the entry point of the executable.
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entry: Entry = .default,
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/// List of symbols forced as undefined in the symbol table
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/// thus forcing their resolution by the linker.
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/// Corresponds to `-u <symbol>` for ELF/MachO and `/include:<symbol>` for COFF/PE.
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force_undefined_symbols: std.StringHashMap(void),
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/// Overrides the default stack size
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stack_size: ?u64 = null,
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want_lto: ?bool = null,
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use_llvm: ?bool,
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use_lld: ?bool,
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/// This is an advanced setting that can change the intent of this Compile step.
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/// If this value is non-null, it means that this Compile step exists to
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/// check for compile errors and return *success* if they match, and failure
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/// otherwise.
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expect_errors: ?ExpectedCompileErrors = null,
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emit_directory: ?*GeneratedFile,
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generated_docs: ?*GeneratedFile,
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generated_asm: ?*GeneratedFile,
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generated_bin: ?*GeneratedFile,
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generated_pdb: ?*GeneratedFile,
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generated_implib: ?*GeneratedFile,
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generated_llvm_bc: ?*GeneratedFile,
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generated_llvm_ir: ?*GeneratedFile,
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generated_h: ?*GeneratedFile,
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/// The maximum number of distinct errors within a compilation step
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/// Defaults to `std.math.maxInt(u16)`
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error_limit: ?u32 = null,
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/// Computed during make().
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is_linking_libc: bool = false,
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/// Computed during make().
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is_linking_libcpp: bool = false,
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pub const ExpectedCompileErrors = union(enum) {
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contains: []const u8,
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exact: []const []const u8,
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};
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pub const Entry = union(enum) {
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/// Let the compiler decide whether to make an entry point and what to name
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/// it.
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default,
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/// The executable will have no entry point.
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disabled,
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/// The executable will have an entry point with the default symbol name.
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enabled,
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/// The executable will have an entry point with the specified symbol name.
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symbol_name: []const u8,
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};
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pub const Options = struct {
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name: []const u8,
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root_module: Module.CreateOptions,
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kind: Kind,
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linkage: ?Linkage = null,
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version: ?std.SemanticVersion = null,
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max_rss: usize = 0,
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filter: ?[]const u8 = null,
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test_runner: ?[]const u8 = null,
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use_llvm: ?bool = null,
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use_lld: ?bool = null,
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zig_lib_dir: ?LazyPath = null,
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/// Embed a `.manifest` file in the compilation if the object format supports it.
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/// https://learn.microsoft.com/en-us/windows/win32/sbscs/manifest-files-reference
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/// Manifest files must have the extension `.manifest`.
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/// Can be set regardless of target. The `.manifest` file will be ignored
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/// if the target object format does not support embedded manifests.
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win32_manifest: ?LazyPath = null,
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};
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pub const Kind = enum {
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exe,
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lib,
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obj,
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@"test",
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};
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pub const Linkage = enum { dynamic, static };
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pub fn create(owner: *std.Build, options: Options) *Compile {
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const name = owner.dupe(options.name);
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if (mem.indexOf(u8, name, "/") != null or mem.indexOf(u8, name, "\\") != null) {
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panic("invalid name: '{s}'. It looks like a file path, but it is supposed to be the library or application name.", .{name});
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}
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// Avoid the common case of the step name looking like "zig test test".
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const name_adjusted = if (options.kind == .@"test" and mem.eql(u8, name, "test"))
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""
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else
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owner.fmt("{s} ", .{name});
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const resolved_target = options.root_module.target.?;
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const target = resolved_target.result;
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const step_name = owner.fmt("{s} {s}{s} {s}", .{
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switch (options.kind) {
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.exe => "zig build-exe",
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.lib => "zig build-lib",
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.obj => "zig build-obj",
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.@"test" => "zig test",
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},
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name_adjusted,
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@tagName(options.root_module.optimize orelse .Debug),
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resolved_target.query.zigTriple(owner.allocator) catch @panic("OOM"),
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});
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const out_filename = std.zig.binNameAlloc(owner.allocator, .{
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.root_name = name,
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.target = target,
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.output_mode = switch (options.kind) {
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.lib => .Lib,
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.obj => .Obj,
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.exe, .@"test" => .Exe,
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},
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.link_mode = if (options.linkage) |some| @as(std.builtin.LinkMode, switch (some) {
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.dynamic => .Dynamic,
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.static => .Static,
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}) else null,
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.version = options.version,
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}) catch @panic("OOM");
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const self = owner.allocator.create(Compile) catch @panic("OOM");
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self.* = .{
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.root_module = undefined,
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.verbose_link = false,
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.verbose_cc = false,
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.linkage = options.linkage,
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.kind = options.kind,
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.name = name,
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.step = Step.init(.{
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.id = base_id,
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.name = step_name,
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.owner = owner,
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.makeFn = make,
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.max_rss = options.max_rss,
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}),
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.version = options.version,
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.out_filename = out_filename,
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.out_lib_filename = undefined,
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.major_only_filename = null,
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.name_only_filename = null,
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.installed_headers = ArrayList(*Step).init(owner.allocator),
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.zig_lib_dir = null,
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.exec_cmd_args = null,
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.filter = options.filter,
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.test_runner = options.test_runner,
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.test_server_mode = options.test_runner == null,
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.rdynamic = false,
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.installed_path = null,
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.force_undefined_symbols = StringHashMap(void).init(owner.allocator),
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.emit_directory = null,
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.generated_docs = null,
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.generated_asm = null,
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.generated_bin = null,
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.generated_pdb = null,
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.generated_implib = null,
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.generated_llvm_bc = null,
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.generated_llvm_ir = null,
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.generated_h = null,
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.use_llvm = options.use_llvm,
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.use_lld = options.use_lld,
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};
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self.root_module.init(owner, options.root_module, self);
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if (options.zig_lib_dir) |lp| {
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self.zig_lib_dir = lp.dupe(self.step.owner);
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lp.addStepDependencies(&self.step);
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}
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// Only the PE/COFF format has a Resource Table which is where the manifest
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// gets embedded, so for any other target the manifest file is just ignored.
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if (target.ofmt == .coff) {
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if (options.win32_manifest) |lp| {
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self.win32_manifest = lp.dupe(self.step.owner);
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lp.addStepDependencies(&self.step);
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}
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}
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if (self.kind == .lib) {
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if (self.linkage != null and self.linkage.? == .static) {
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self.out_lib_filename = self.out_filename;
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} else if (self.version) |version| {
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if (target.isDarwin()) {
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self.major_only_filename = owner.fmt("lib{s}.{d}.dylib", .{
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self.name,
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version.major,
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});
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self.name_only_filename = owner.fmt("lib{s}.dylib", .{self.name});
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self.out_lib_filename = self.out_filename;
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} else if (target.os.tag == .windows) {
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self.out_lib_filename = owner.fmt("{s}.lib", .{self.name});
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} else {
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self.major_only_filename = owner.fmt("lib{s}.so.{d}", .{ self.name, version.major });
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self.name_only_filename = owner.fmt("lib{s}.so", .{self.name});
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self.out_lib_filename = self.out_filename;
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}
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} else {
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if (target.isDarwin()) {
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self.out_lib_filename = self.out_filename;
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} else if (target.os.tag == .windows) {
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self.out_lib_filename = owner.fmt("{s}.lib", .{self.name});
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} else {
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self.out_lib_filename = self.out_filename;
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}
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}
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}
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return self;
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}
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pub fn installHeader(cs: *Compile, src_path: []const u8, dest_rel_path: []const u8) void {
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const b = cs.step.owner;
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const install_file = b.addInstallHeaderFile(src_path, dest_rel_path);
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b.getInstallStep().dependOn(&install_file.step);
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cs.installed_headers.append(&install_file.step) catch @panic("OOM");
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}
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pub const InstallConfigHeaderOptions = struct {
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install_dir: InstallDir = .header,
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dest_rel_path: ?[]const u8 = null,
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};
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|
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pub fn installConfigHeader(
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cs: *Compile,
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config_header: *Step.ConfigHeader,
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options: InstallConfigHeaderOptions,
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) void {
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const dest_rel_path = options.dest_rel_path orelse config_header.include_path;
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const b = cs.step.owner;
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|
const install_file = b.addInstallFileWithDir(
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.{ .generated = &config_header.output_file },
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options.install_dir,
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|
dest_rel_path,
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|
);
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|
install_file.step.dependOn(&config_header.step);
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|
b.getInstallStep().dependOn(&install_file.step);
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|
cs.installed_headers.append(&install_file.step) catch @panic("OOM");
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|
}
|
|
|
|
pub fn installHeadersDirectory(
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a: *Compile,
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|
src_dir_path: []const u8,
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dest_rel_path: []const u8,
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|
) void {
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|
return installHeadersDirectoryOptions(a, .{
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|
.source_dir = .{ .path = src_dir_path },
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|
.install_dir = .header,
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|
.install_subdir = dest_rel_path,
|
|
});
|
|
}
|
|
|
|
pub fn installHeadersDirectoryOptions(
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|
cs: *Compile,
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|
options: std.Build.Step.InstallDir.Options,
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|
) void {
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|
const b = cs.step.owner;
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|
const install_dir = b.addInstallDirectory(options);
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|
b.getInstallStep().dependOn(&install_dir.step);
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|
cs.installed_headers.append(&install_dir.step) catch @panic("OOM");
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|
}
|
|
|
|
pub fn installLibraryHeaders(cs: *Compile, l: *Compile) void {
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|
assert(l.kind == .lib);
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|
const b = cs.step.owner;
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|
const install_step = b.getInstallStep();
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|
// Copy each element from installed_headers, modifying the builder
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|
// to be the new parent's builder.
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|
for (l.installed_headers.items) |step| {
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|
const step_copy = switch (step.id) {
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|
inline .install_file, .install_dir => |id| blk: {
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|
const T = id.Type();
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|
const ptr = b.allocator.create(T) catch @panic("OOM");
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|
ptr.* = step.cast(T).?.*;
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|
ptr.dest_builder = b;
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|
break :blk &ptr.step;
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|
},
|
|
else => unreachable,
|
|
};
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|
cs.installed_headers.append(step_copy) catch @panic("OOM");
|
|
install_step.dependOn(step_copy);
|
|
}
|
|
cs.installed_headers.appendSlice(l.installed_headers.items) catch @panic("OOM");
|
|
}
|
|
|
|
pub fn addObjCopy(cs: *Compile, options: Step.ObjCopy.Options) *Step.ObjCopy {
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|
const b = cs.step.owner;
|
|
var copy = options;
|
|
if (copy.basename == null) {
|
|
if (options.format) |f| {
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|
copy.basename = b.fmt("{s}.{s}", .{ cs.name, @tagName(f) });
|
|
} else {
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|
copy.basename = cs.name;
|
|
}
|
|
}
|
|
return b.addObjCopy(cs.getEmittedBin(), copy);
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|
}
|
|
|
|
/// This function would run in the context of the package that created the executable,
|
|
/// which is undesirable when running an executable provided by a dependency package.
|
|
pub const run = @compileError("deprecated; use std.Build.addRunArtifact");
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|
|
|
/// This function would install in the context of the package that created the artifact,
|
|
/// which is undesirable when installing an artifact provided by a dependency package.
|
|
pub const install = @compileError("deprecated; use std.Build.installArtifact");
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|
|
|
pub fn checkObject(self: *Compile) *Step.CheckObject {
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|
return Step.CheckObject.create(self.step.owner, self.getEmittedBin(), self.rootModuleTarget().ofmt);
|
|
}
|
|
|
|
/// deprecated: use `setLinkerScript`
|
|
pub const setLinkerScriptPath = setLinkerScript;
|
|
|
|
pub fn setLinkerScript(self: *Compile, source: LazyPath) void {
|
|
const b = self.step.owner;
|
|
self.linker_script = source.dupe(b);
|
|
source.addStepDependencies(&self.step);
|
|
}
|
|
|
|
pub fn forceUndefinedSymbol(self: *Compile, symbol_name: []const u8) void {
|
|
const b = self.step.owner;
|
|
self.force_undefined_symbols.put(b.dupe(symbol_name), {}) catch @panic("OOM");
|
|
}
|
|
|
|
/// Returns whether the library, executable, or object depends on a particular system library.
|
|
/// Includes transitive dependencies.
|
|
pub fn dependsOnSystemLibrary(self: *const Compile, name: []const u8) bool {
|
|
var is_linking_libc = false;
|
|
var is_linking_libcpp = false;
|
|
|
|
var it = self.root_module.iterateDependencies(self, true);
|
|
while (it.next()) |module| {
|
|
for (module.link_objects.items) |link_object| {
|
|
switch (link_object) {
|
|
.system_lib => |lib| if (mem.eql(u8, lib.name, name)) return true,
|
|
else => continue,
|
|
}
|
|
}
|
|
is_linking_libc = is_linking_libc or module.link_libcpp == true;
|
|
is_linking_libcpp = is_linking_libcpp or module.link_libcpp == true;
|
|
}
|
|
|
|
if (self.rootModuleTarget().is_libc_lib_name(name)) {
|
|
return is_linking_libc;
|
|
}
|
|
|
|
if (self.rootModuleTarget().is_libcpp_lib_name(name)) {
|
|
return is_linking_libcpp;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
pub fn isDynamicLibrary(self: *const Compile) bool {
|
|
return self.kind == .lib and self.linkage == Linkage.dynamic;
|
|
}
|
|
|
|
pub fn isStaticLibrary(self: *const Compile) bool {
|
|
return self.kind == .lib and self.linkage != Linkage.dynamic;
|
|
}
|
|
|
|
pub fn producesPdbFile(self: *Compile) bool {
|
|
const target = self.rootModuleTarget();
|
|
// TODO: Is this right? Isn't PDB for *any* PE/COFF file?
|
|
// TODO: just share this logic with the compiler, silly!
|
|
switch (target.os.tag) {
|
|
.windows, .uefi => {},
|
|
else => return false,
|
|
}
|
|
if (target.ofmt == .c) return false;
|
|
if (self.root_module.strip == true or
|
|
(self.root_module.strip == null and self.root_module.optimize == .ReleaseSmall))
|
|
{
|
|
return false;
|
|
}
|
|
return self.isDynamicLibrary() or self.kind == .exe or self.kind == .@"test";
|
|
}
|
|
|
|
pub fn producesImplib(self: *Compile) bool {
|
|
return self.isDynamicLibrary() and self.rootModuleTarget().os.tag == .windows;
|
|
}
|
|
|
|
pub fn linkLibC(self: *Compile) void {
|
|
self.root_module.link_libc = true;
|
|
}
|
|
|
|
pub fn linkLibCpp(self: *Compile) void {
|
|
self.root_module.link_libcpp = true;
|
|
}
|
|
|
|
/// Deprecated. Use `c.root_module.addCMacro`.
|
|
pub fn defineCMacro(c: *Compile, name: []const u8, value: ?[]const u8) void {
|
|
c.root_module.addCMacro(name, value orelse "1");
|
|
}
|
|
|
|
/// Run pkg-config for the given library name and parse the output, returning the arguments
|
|
/// that should be passed to zig to link the given library.
|
|
fn runPkgConfig(self: *Compile, lib_name: []const u8) ![]const []const u8 {
|
|
const b = self.step.owner;
|
|
const pkg_name = match: {
|
|
// First we have to map the library name to pkg config name. Unfortunately,
|
|
// there are several examples where this is not straightforward:
|
|
// -lSDL2 -> pkg-config sdl2
|
|
// -lgdk-3 -> pkg-config gdk-3.0
|
|
// -latk-1.0 -> pkg-config atk
|
|
const pkgs = try getPkgConfigList(b);
|
|
|
|
// Exact match means instant winner.
|
|
for (pkgs) |pkg| {
|
|
if (mem.eql(u8, pkg.name, lib_name)) {
|
|
break :match pkg.name;
|
|
}
|
|
}
|
|
|
|
// Next we'll try ignoring case.
|
|
for (pkgs) |pkg| {
|
|
if (std.ascii.eqlIgnoreCase(pkg.name, lib_name)) {
|
|
break :match pkg.name;
|
|
}
|
|
}
|
|
|
|
// Now try appending ".0".
|
|
for (pkgs) |pkg| {
|
|
if (std.ascii.indexOfIgnoreCase(pkg.name, lib_name)) |pos| {
|
|
if (pos != 0) continue;
|
|
if (mem.eql(u8, pkg.name[lib_name.len..], ".0")) {
|
|
break :match pkg.name;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Trimming "-1.0".
|
|
if (mem.endsWith(u8, lib_name, "-1.0")) {
|
|
const trimmed_lib_name = lib_name[0 .. lib_name.len - "-1.0".len];
|
|
for (pkgs) |pkg| {
|
|
if (std.ascii.eqlIgnoreCase(pkg.name, trimmed_lib_name)) {
|
|
break :match pkg.name;
|
|
}
|
|
}
|
|
}
|
|
|
|
return error.PackageNotFound;
|
|
};
|
|
|
|
var code: u8 = undefined;
|
|
const stdout = if (b.runAllowFail(&[_][]const u8{
|
|
"pkg-config",
|
|
pkg_name,
|
|
"--cflags",
|
|
"--libs",
|
|
}, &code, .Ignore)) |stdout| stdout else |err| switch (err) {
|
|
error.ProcessTerminated => return error.PkgConfigCrashed,
|
|
error.ExecNotSupported => return error.PkgConfigFailed,
|
|
error.ExitCodeFailure => return error.PkgConfigFailed,
|
|
error.FileNotFound => return error.PkgConfigNotInstalled,
|
|
else => return err,
|
|
};
|
|
|
|
var zig_args = ArrayList([]const u8).init(b.allocator);
|
|
defer zig_args.deinit();
|
|
|
|
var it = mem.tokenizeAny(u8, stdout, " \r\n\t");
|
|
while (it.next()) |tok| {
|
|
if (mem.eql(u8, tok, "-I")) {
|
|
const dir = it.next() orelse return error.PkgConfigInvalidOutput;
|
|
try zig_args.appendSlice(&[_][]const u8{ "-I", dir });
|
|
} else if (mem.startsWith(u8, tok, "-I")) {
|
|
try zig_args.append(tok);
|
|
} else if (mem.eql(u8, tok, "-L")) {
|
|
const dir = it.next() orelse return error.PkgConfigInvalidOutput;
|
|
try zig_args.appendSlice(&[_][]const u8{ "-L", dir });
|
|
} else if (mem.startsWith(u8, tok, "-L")) {
|
|
try zig_args.append(tok);
|
|
} else if (mem.eql(u8, tok, "-l")) {
|
|
const lib = it.next() orelse return error.PkgConfigInvalidOutput;
|
|
try zig_args.appendSlice(&[_][]const u8{ "-l", lib });
|
|
} else if (mem.startsWith(u8, tok, "-l")) {
|
|
try zig_args.append(tok);
|
|
} else if (mem.eql(u8, tok, "-D")) {
|
|
const macro = it.next() orelse return error.PkgConfigInvalidOutput;
|
|
try zig_args.appendSlice(&[_][]const u8{ "-D", macro });
|
|
} else if (mem.startsWith(u8, tok, "-D")) {
|
|
try zig_args.append(tok);
|
|
} else if (b.debug_pkg_config) {
|
|
return self.step.fail("unknown pkg-config flag '{s}'", .{tok});
|
|
}
|
|
}
|
|
|
|
return zig_args.toOwnedSlice();
|
|
}
|
|
|
|
pub fn linkSystemLibrary(self: *Compile, name: []const u8) void {
|
|
return self.root_module.linkSystemLibrary(name, .{});
|
|
}
|
|
|
|
pub fn linkSystemLibrary2(
|
|
self: *Compile,
|
|
name: []const u8,
|
|
options: Module.LinkSystemLibraryOptions,
|
|
) void {
|
|
return self.root_module.linkSystemLibrary(name, options);
|
|
}
|
|
|
|
pub fn linkFramework(c: *Compile, name: []const u8) void {
|
|
c.root_module.linkFramework(name, .{});
|
|
}
|
|
|
|
/// Deprecated. Use `c.root_module.linkFramework`.
|
|
pub fn linkFrameworkNeeded(c: *Compile, name: []const u8) void {
|
|
c.root_module.linkFramework(name, .{ .needed = true });
|
|
}
|
|
|
|
/// Deprecated. Use `c.root_module.linkFramework`.
|
|
pub fn linkFrameworkWeak(c: *Compile, name: []const u8) void {
|
|
c.root_module.linkFramework(name, .{ .weak = true });
|
|
}
|
|
|
|
/// Handy when you have many C/C++ source files and want them all to have the same flags.
|
|
pub fn addCSourceFiles(self: *Compile, options: Module.AddCSourceFilesOptions) void {
|
|
self.root_module.addCSourceFiles(options);
|
|
}
|
|
|
|
pub fn addCSourceFile(self: *Compile, source: Module.CSourceFile) void {
|
|
self.root_module.addCSourceFile(source);
|
|
}
|
|
|
|
/// Resource files must have the extension `.rc`.
|
|
/// Can be called regardless of target. The .rc file will be ignored
|
|
/// if the target object format does not support embedded resources.
|
|
pub fn addWin32ResourceFile(self: *Compile, source: Module.RcSourceFile) void {
|
|
self.root_module.addWin32ResourceFile(source);
|
|
}
|
|
|
|
pub fn setVerboseLink(self: *Compile, value: bool) void {
|
|
self.verbose_link = value;
|
|
}
|
|
|
|
pub fn setVerboseCC(self: *Compile, value: bool) void {
|
|
self.verbose_cc = value;
|
|
}
|
|
|
|
pub fn setLibCFile(self: *Compile, libc_file: ?LazyPath) void {
|
|
const b = self.step.owner;
|
|
self.libc_file = if (libc_file) |f| f.dupe(b) else null;
|
|
}
|
|
|
|
fn getEmittedFileGeneric(self: *Compile, output_file: *?*GeneratedFile) LazyPath {
|
|
if (output_file.*) |g| {
|
|
return .{ .generated = g };
|
|
}
|
|
const arena = self.step.owner.allocator;
|
|
const generated_file = arena.create(GeneratedFile) catch @panic("OOM");
|
|
generated_file.* = .{ .step = &self.step };
|
|
output_file.* = generated_file;
|
|
return .{ .generated = generated_file };
|
|
}
|
|
|
|
/// Returns the path to the directory that contains the emitted binary file.
|
|
pub fn getEmittedBinDirectory(self: *Compile) LazyPath {
|
|
_ = self.getEmittedBin();
|
|
return self.getEmittedFileGeneric(&self.emit_directory);
|
|
}
|
|
|
|
/// Returns the path to the generated executable, library or object file.
|
|
/// To run an executable built with zig build, use `run`, or create an install step and invoke it.
|
|
pub fn getEmittedBin(self: *Compile) LazyPath {
|
|
return self.getEmittedFileGeneric(&self.generated_bin);
|
|
}
|
|
|
|
/// Returns the path to the generated import library.
|
|
/// This function can only be called for libraries.
|
|
pub fn getEmittedImplib(self: *Compile) LazyPath {
|
|
assert(self.kind == .lib);
|
|
return self.getEmittedFileGeneric(&self.generated_implib);
|
|
}
|
|
|
|
/// Returns the path to the generated header file.
|
|
/// This function can only be called for libraries or objects.
|
|
pub fn getEmittedH(self: *Compile) LazyPath {
|
|
assert(self.kind != .exe and self.kind != .@"test");
|
|
return self.getEmittedFileGeneric(&self.generated_h);
|
|
}
|
|
|
|
/// Returns the generated PDB file.
|
|
/// If the compilation does not produce a PDB file, this causes a FileNotFound error
|
|
/// at build time.
|
|
pub fn getEmittedPdb(self: *Compile) LazyPath {
|
|
_ = self.getEmittedBin();
|
|
return self.getEmittedFileGeneric(&self.generated_pdb);
|
|
}
|
|
|
|
/// Returns the path to the generated documentation directory.
|
|
pub fn getEmittedDocs(self: *Compile) LazyPath {
|
|
return self.getEmittedFileGeneric(&self.generated_docs);
|
|
}
|
|
|
|
/// Returns the path to the generated assembly code.
|
|
pub fn getEmittedAsm(self: *Compile) LazyPath {
|
|
return self.getEmittedFileGeneric(&self.generated_asm);
|
|
}
|
|
|
|
/// Returns the path to the generated LLVM IR.
|
|
pub fn getEmittedLlvmIr(self: *Compile) LazyPath {
|
|
return self.getEmittedFileGeneric(&self.generated_llvm_ir);
|
|
}
|
|
|
|
/// Returns the path to the generated LLVM BC.
|
|
pub fn getEmittedLlvmBc(self: *Compile) LazyPath {
|
|
return self.getEmittedFileGeneric(&self.generated_llvm_bc);
|
|
}
|
|
|
|
pub fn addAssemblyFile(self: *Compile, source: LazyPath) void {
|
|
self.root_module.addAssemblyFile(source);
|
|
}
|
|
|
|
pub fn addObjectFile(self: *Compile, source: LazyPath) void {
|
|
self.root_module.addObjectFile(source);
|
|
}
|
|
|
|
pub fn addObject(self: *Compile, object: *Compile) void {
|
|
self.root_module.addObject(object);
|
|
}
|
|
|
|
pub fn linkLibrary(self: *Compile, library: *Compile) void {
|
|
self.root_module.linkLibrary(library);
|
|
}
|
|
|
|
pub fn addAfterIncludePath(self: *Compile, lazy_path: LazyPath) void {
|
|
self.root_module.addAfterIncludePath(lazy_path);
|
|
}
|
|
|
|
pub fn addSystemIncludePath(self: *Compile, lazy_path: LazyPath) void {
|
|
self.root_module.addSystemIncludePath(lazy_path);
|
|
}
|
|
|
|
pub fn addIncludePath(self: *Compile, lazy_path: LazyPath) void {
|
|
self.root_module.addIncludePath(lazy_path);
|
|
}
|
|
|
|
pub fn addConfigHeader(self: *Compile, config_header: *Step.ConfigHeader) void {
|
|
self.root_module.addConfigHeader(config_header);
|
|
}
|
|
|
|
pub fn addLibraryPath(self: *Compile, directory_path: LazyPath) void {
|
|
self.root_module.addLibraryPath(directory_path);
|
|
}
|
|
|
|
pub fn addRPath(self: *Compile, directory_path: LazyPath) void {
|
|
self.root_module.addRPath(directory_path);
|
|
}
|
|
|
|
pub fn addSystemFrameworkPath(self: *Compile, directory_path: LazyPath) void {
|
|
self.root_module.addSystemFrameworkPath(directory_path);
|
|
}
|
|
|
|
pub fn addFrameworkPath(self: *Compile, directory_path: LazyPath) void {
|
|
self.root_module.addFrameworkPath(directory_path);
|
|
}
|
|
|
|
pub fn setExecCmd(self: *Compile, args: []const ?[]const u8) void {
|
|
const b = self.step.owner;
|
|
assert(self.kind == .@"test");
|
|
const duped_args = b.allocator.alloc(?[]u8, args.len) catch @panic("OOM");
|
|
for (args, 0..) |arg, i| {
|
|
duped_args[i] = if (arg) |a| b.dupe(a) else null;
|
|
}
|
|
self.exec_cmd_args = duped_args;
|
|
}
|
|
|
|
fn appendModuleArgs(cs: *Compile, zig_args: *ArrayList([]const u8)) !void {
|
|
const b = cs.step.owner;
|
|
// First, traverse the whole dependency graph and give every module a
|
|
// unique name, ideally one named after what it's called somewhere in the
|
|
// graph. It will help here to have both a mapping from module to name and
|
|
// a set of all the currently-used names.
|
|
var mod_names: std.AutoArrayHashMapUnmanaged(*Module, []const u8) = .{};
|
|
var names = std.StringHashMap(void).init(b.allocator);
|
|
|
|
{
|
|
var it = cs.root_module.iterateDependencies(null, false);
|
|
_ = it.next(); // Skip over the root module.
|
|
while (it.next()) |item| {
|
|
// While we're traversing the root dependencies, let's make sure that no module names
|
|
// have colons in them, since the CLI forbids it. We handle this for transitive
|
|
// dependencies further down.
|
|
if (std.mem.indexOfScalar(u8, item.name, ':') != null) {
|
|
return cs.step.fail("module '{s}' contains a colon", .{item.name});
|
|
}
|
|
|
|
var name = item.name;
|
|
var n: usize = 0;
|
|
while (names.contains(name)) {
|
|
name = b.fmt("{s}{d}", .{ item.name, n });
|
|
n += 1;
|
|
}
|
|
|
|
try mod_names.put(b.allocator, item.module, name);
|
|
try names.put(name, {});
|
|
}
|
|
}
|
|
|
|
// Since the module names given to the CLI are based off of the exposed
|
|
// names, we already know that none of the CLI names have colons in them,
|
|
// so there's no need to check that explicitly.
|
|
|
|
// Every module in the graph is now named; output their definitions
|
|
for (mod_names.keys(), mod_names.values()) |mod, name| {
|
|
const root_src = mod.root_source_file orelse continue;
|
|
const deps_str = try constructDepString(b.allocator, mod_names, mod.import_table);
|
|
const src = root_src.getPath2(mod.owner, &cs.step);
|
|
try zig_args.append("--mod");
|
|
try zig_args.append(b.fmt("{s}:{s}:{s}", .{ name, deps_str, src }));
|
|
}
|
|
|
|
// Lastly, output the root dependencies
|
|
const deps_str = try constructDepString(b.allocator, mod_names, cs.root_module.import_table);
|
|
if (deps_str.len > 0) {
|
|
try zig_args.append("--deps");
|
|
try zig_args.append(deps_str);
|
|
}
|
|
}
|
|
|
|
fn constructDepString(
|
|
allocator: std.mem.Allocator,
|
|
mod_names: std.AutoArrayHashMapUnmanaged(*Module, []const u8),
|
|
deps: std.StringArrayHashMapUnmanaged(*Module),
|
|
) ![]const u8 {
|
|
var deps_str = std.ArrayList(u8).init(allocator);
|
|
var it = deps.iterator();
|
|
while (it.next()) |kv| {
|
|
const expose = kv.key_ptr.*;
|
|
const name = mod_names.get(kv.value_ptr.*).?;
|
|
if (std.mem.eql(u8, expose, name)) {
|
|
try deps_str.writer().print("{s},", .{name});
|
|
} else {
|
|
try deps_str.writer().print("{s}={s},", .{ expose, name });
|
|
}
|
|
}
|
|
if (deps_str.items.len > 0) {
|
|
return deps_str.items[0 .. deps_str.items.len - 1]; // omit trailing comma
|
|
} else {
|
|
return "";
|
|
}
|
|
}
|
|
|
|
fn getGeneratedFilePath(self: *Compile, comptime tag_name: []const u8, asking_step: ?*Step) []const u8 {
|
|
const maybe_path: ?*GeneratedFile = @field(self, tag_name);
|
|
|
|
const generated_file = maybe_path orelse {
|
|
std.debug.getStderrMutex().lock();
|
|
const stderr = std.io.getStdErr();
|
|
|
|
std.Build.dumpBadGetPathHelp(&self.step, stderr, self.step.owner, asking_step) catch {};
|
|
|
|
@panic("missing emit option for " ++ tag_name);
|
|
};
|
|
|
|
const path = generated_file.path orelse {
|
|
std.debug.getStderrMutex().lock();
|
|
const stderr = std.io.getStdErr();
|
|
|
|
std.Build.dumpBadGetPathHelp(&self.step, stderr, self.step.owner, asking_step) catch {};
|
|
|
|
@panic(tag_name ++ " is null. Is there a missing step dependency?");
|
|
};
|
|
|
|
return path;
|
|
}
|
|
|
|
fn make(step: *Step, prog_node: *std.Progress.Node) !void {
|
|
const b = step.owner;
|
|
const self = @fieldParentPtr(Compile, "step", step);
|
|
|
|
var zig_args = ArrayList([]const u8).init(b.allocator);
|
|
defer zig_args.deinit();
|
|
|
|
try zig_args.append(b.zig_exe);
|
|
|
|
const cmd = switch (self.kind) {
|
|
.lib => "build-lib",
|
|
.exe => "build-exe",
|
|
.obj => "build-obj",
|
|
.@"test" => "test",
|
|
};
|
|
try zig_args.append(cmd);
|
|
|
|
if (b.reference_trace) |some| {
|
|
try zig_args.append(try std.fmt.allocPrint(b.allocator, "-freference-trace={d}", .{some}));
|
|
}
|
|
|
|
try addFlag(&zig_args, "llvm", self.use_llvm);
|
|
try addFlag(&zig_args, "lld", self.use_lld);
|
|
|
|
if (self.root_module.resolved_target.?.query.ofmt) |ofmt| {
|
|
try zig_args.append(try std.fmt.allocPrint(b.allocator, "-ofmt={s}", .{@tagName(ofmt)}));
|
|
}
|
|
|
|
switch (self.entry) {
|
|
.default => {},
|
|
.disabled => try zig_args.append("-fno-entry"),
|
|
.enabled => try zig_args.append("-fentry"),
|
|
.symbol_name => |entry_name| {
|
|
try zig_args.append(try std.fmt.allocPrint(b.allocator, "-fentry={s}", .{entry_name}));
|
|
},
|
|
}
|
|
|
|
{
|
|
var it = self.force_undefined_symbols.keyIterator();
|
|
while (it.next()) |symbol_name| {
|
|
try zig_args.append("--force_undefined");
|
|
try zig_args.append(symbol_name.*);
|
|
}
|
|
}
|
|
|
|
if (self.stack_size) |stack_size| {
|
|
try zig_args.append("--stack");
|
|
try zig_args.append(try std.fmt.allocPrint(b.allocator, "{}", .{stack_size}));
|
|
}
|
|
|
|
{
|
|
var seen_system_libs: std.StringHashMapUnmanaged(void) = .{};
|
|
var frameworks: std.StringArrayHashMapUnmanaged(Module.LinkFrameworkOptions) = .{};
|
|
|
|
var prev_has_cflags = false;
|
|
var prev_has_rcflags = false;
|
|
var prev_search_strategy: Module.SystemLib.SearchStrategy = .paths_first;
|
|
var prev_preferred_link_mode: std.builtin.LinkMode = .Dynamic;
|
|
// Track the number of positional arguments so that a nice error can be
|
|
// emitted if there is nothing to link.
|
|
var total_linker_objects: usize = 0;
|
|
|
|
if (self.root_module.root_source_file) |lp| {
|
|
try zig_args.append(lp.getPath(b));
|
|
total_linker_objects += 1;
|
|
}
|
|
|
|
try self.root_module.appendZigProcessFlags(&zig_args, step);
|
|
|
|
{
|
|
// Fully recursive iteration including dynamic libraries to detect
|
|
// libc and libc++ linkage.
|
|
var it = self.root_module.iterateDependencies(self, true);
|
|
while (it.next()) |key| {
|
|
if (key.module.link_libc == true) self.is_linking_libc = true;
|
|
if (key.module.link_libcpp == true) self.is_linking_libcpp = true;
|
|
}
|
|
}
|
|
|
|
// For this loop, don't chase dynamic libraries because their link
|
|
// objects are already linked.
|
|
var it = self.root_module.iterateDependencies(self, false);
|
|
|
|
while (it.next()) |key| {
|
|
const module = key.module;
|
|
const compile = key.compile.?;
|
|
|
|
// While walking transitive dependencies, if a given link object is
|
|
// already included in a library, it should not redundantly be
|
|
// placed on the linker line of the dependee.
|
|
const my_responsibility = compile == self;
|
|
const already_linked = !my_responsibility and compile.isDynamicLibrary();
|
|
|
|
// Inherit dependencies on darwin frameworks.
|
|
if (!already_linked) {
|
|
for (module.frameworks.keys(), module.frameworks.values()) |name, info| {
|
|
try frameworks.put(b.allocator, name, info);
|
|
}
|
|
}
|
|
|
|
// Inherit dependencies on system libraries and static libraries.
|
|
for (module.link_objects.items) |link_object| {
|
|
switch (link_object) {
|
|
.static_path => |static_path| {
|
|
if (my_responsibility) {
|
|
try zig_args.append(static_path.getPath(b));
|
|
total_linker_objects += 1;
|
|
}
|
|
},
|
|
.system_lib => |system_lib| {
|
|
if ((try seen_system_libs.fetchPut(b.allocator, system_lib.name, {})) != null)
|
|
continue;
|
|
|
|
if (already_linked)
|
|
continue;
|
|
|
|
if ((system_lib.search_strategy != prev_search_strategy or
|
|
system_lib.preferred_link_mode != prev_preferred_link_mode) and
|
|
self.linkage != .static)
|
|
{
|
|
switch (system_lib.search_strategy) {
|
|
.no_fallback => switch (system_lib.preferred_link_mode) {
|
|
.Dynamic => try zig_args.append("-search_dylibs_only"),
|
|
.Static => try zig_args.append("-search_static_only"),
|
|
},
|
|
.paths_first => switch (system_lib.preferred_link_mode) {
|
|
.Dynamic => try zig_args.append("-search_paths_first"),
|
|
.Static => try zig_args.append("-search_paths_first_static"),
|
|
},
|
|
.mode_first => switch (system_lib.preferred_link_mode) {
|
|
.Dynamic => try zig_args.append("-search_dylibs_first"),
|
|
.Static => try zig_args.append("-search_static_first"),
|
|
},
|
|
}
|
|
prev_search_strategy = system_lib.search_strategy;
|
|
prev_preferred_link_mode = system_lib.preferred_link_mode;
|
|
}
|
|
|
|
const prefix: []const u8 = prefix: {
|
|
if (system_lib.needed) break :prefix "-needed-l";
|
|
if (system_lib.weak) break :prefix "-weak-l";
|
|
break :prefix "-l";
|
|
};
|
|
switch (system_lib.use_pkg_config) {
|
|
.no => try zig_args.append(b.fmt("{s}{s}", .{ prefix, system_lib.name })),
|
|
.yes, .force => {
|
|
if (self.runPkgConfig(system_lib.name)) |args| {
|
|
try zig_args.appendSlice(args);
|
|
} else |err| switch (err) {
|
|
error.PkgConfigInvalidOutput,
|
|
error.PkgConfigCrashed,
|
|
error.PkgConfigFailed,
|
|
error.PkgConfigNotInstalled,
|
|
error.PackageNotFound,
|
|
=> switch (system_lib.use_pkg_config) {
|
|
.yes => {
|
|
// pkg-config failed, so fall back to linking the library
|
|
// by name directly.
|
|
try zig_args.append(b.fmt("{s}{s}", .{
|
|
prefix,
|
|
system_lib.name,
|
|
}));
|
|
},
|
|
.force => {
|
|
panic("pkg-config failed for library {s}", .{system_lib.name});
|
|
},
|
|
.no => unreachable,
|
|
},
|
|
|
|
else => |e| return e,
|
|
}
|
|
},
|
|
}
|
|
},
|
|
.other_step => |other| {
|
|
switch (other.kind) {
|
|
.exe => return step.fail("cannot link with an executable build artifact", .{}),
|
|
.@"test" => return step.fail("cannot link with a test", .{}),
|
|
.obj => {
|
|
const included_in_lib = !my_responsibility and
|
|
compile.kind == .lib and other.kind == .obj;
|
|
if (!already_linked and !included_in_lib) {
|
|
try zig_args.append(other.getEmittedBin().getPath(b));
|
|
total_linker_objects += 1;
|
|
}
|
|
},
|
|
.lib => l: {
|
|
const other_produces_implib = other.producesImplib();
|
|
const other_is_static = other_produces_implib or other.isStaticLibrary();
|
|
|
|
if (self.isStaticLibrary() and other_is_static) {
|
|
// Avoid putting a static library inside a static library.
|
|
break :l;
|
|
}
|
|
|
|
// For DLLs, we must link against the implib.
|
|
// For everything else, we directly link
|
|
// against the library file.
|
|
const full_path_lib = if (other_produces_implib)
|
|
other.getGeneratedFilePath("generated_implib", &self.step)
|
|
else
|
|
other.getGeneratedFilePath("generated_bin", &self.step);
|
|
|
|
try zig_args.append(full_path_lib);
|
|
total_linker_objects += 1;
|
|
|
|
if (other.linkage == Linkage.dynamic and
|
|
self.rootModuleTarget().os.tag != .windows)
|
|
{
|
|
if (fs.path.dirname(full_path_lib)) |dirname| {
|
|
try zig_args.append("-rpath");
|
|
try zig_args.append(dirname);
|
|
}
|
|
}
|
|
},
|
|
}
|
|
},
|
|
.assembly_file => |asm_file| l: {
|
|
if (!my_responsibility) break :l;
|
|
|
|
if (prev_has_cflags) {
|
|
try zig_args.append("-cflags");
|
|
try zig_args.append("--");
|
|
prev_has_cflags = false;
|
|
}
|
|
try zig_args.append(asm_file.getPath(b));
|
|
total_linker_objects += 1;
|
|
},
|
|
|
|
.c_source_file => |c_source_file| l: {
|
|
if (!my_responsibility) break :l;
|
|
|
|
if (c_source_file.flags.len == 0) {
|
|
if (prev_has_cflags) {
|
|
try zig_args.append("-cflags");
|
|
try zig_args.append("--");
|
|
prev_has_cflags = false;
|
|
}
|
|
} else {
|
|
try zig_args.append("-cflags");
|
|
for (c_source_file.flags) |arg| {
|
|
try zig_args.append(arg);
|
|
}
|
|
try zig_args.append("--");
|
|
prev_has_cflags = true;
|
|
}
|
|
try zig_args.append(c_source_file.file.getPath(b));
|
|
total_linker_objects += 1;
|
|
},
|
|
|
|
.c_source_files => |c_source_files| l: {
|
|
if (!my_responsibility) break :l;
|
|
|
|
if (c_source_files.flags.len == 0) {
|
|
if (prev_has_cflags) {
|
|
try zig_args.append("-cflags");
|
|
try zig_args.append("--");
|
|
prev_has_cflags = false;
|
|
}
|
|
} else {
|
|
try zig_args.append("-cflags");
|
|
for (c_source_files.flags) |flag| {
|
|
try zig_args.append(flag);
|
|
}
|
|
try zig_args.append("--");
|
|
prev_has_cflags = true;
|
|
}
|
|
|
|
if (c_source_files.dependency) |dep| {
|
|
for (c_source_files.files) |file| {
|
|
try zig_args.append(dep.builder.pathFromRoot(file));
|
|
}
|
|
} else {
|
|
for (c_source_files.files) |file| {
|
|
try zig_args.append(b.pathFromRoot(file));
|
|
}
|
|
}
|
|
total_linker_objects += c_source_files.files.len;
|
|
},
|
|
|
|
.win32_resource_file => |rc_source_file| l: {
|
|
if (!my_responsibility) break :l;
|
|
|
|
if (rc_source_file.flags.len == 0) {
|
|
if (prev_has_rcflags) {
|
|
try zig_args.append("-rcflags");
|
|
try zig_args.append("--");
|
|
prev_has_rcflags = false;
|
|
}
|
|
} else {
|
|
try zig_args.append("-rcflags");
|
|
for (rc_source_file.flags) |arg| {
|
|
try zig_args.append(arg);
|
|
}
|
|
try zig_args.append("--");
|
|
prev_has_rcflags = true;
|
|
}
|
|
try zig_args.append(rc_source_file.file.getPath(b));
|
|
total_linker_objects += 1;
|
|
},
|
|
}
|
|
}
|
|
}
|
|
|
|
if (total_linker_objects == 0) {
|
|
return step.fail("the linker needs one or more objects to link", .{});
|
|
}
|
|
|
|
for (frameworks.keys(), frameworks.values()) |name, info| {
|
|
if (info.needed) {
|
|
try zig_args.append("-needed_framework");
|
|
} else if (info.weak) {
|
|
try zig_args.append("-weak_framework");
|
|
} else {
|
|
try zig_args.append("-framework");
|
|
}
|
|
try zig_args.append(name);
|
|
}
|
|
|
|
if (self.is_linking_libcpp) {
|
|
try zig_args.append("-lc++");
|
|
}
|
|
|
|
if (self.is_linking_libc) {
|
|
try zig_args.append("-lc");
|
|
}
|
|
}
|
|
|
|
if (self.win32_manifest) |manifest_file| {
|
|
try zig_args.append(manifest_file.getPath(b));
|
|
}
|
|
|
|
if (self.image_base) |image_base| {
|
|
try zig_args.append("--image-base");
|
|
try zig_args.append(b.fmt("0x{x}", .{image_base}));
|
|
}
|
|
|
|
if (self.filter) |filter| {
|
|
try zig_args.append("--test-filter");
|
|
try zig_args.append(filter);
|
|
}
|
|
|
|
if (self.test_evented_io) {
|
|
try zig_args.append("--test-evented-io");
|
|
}
|
|
|
|
if (self.test_runner) |test_runner| {
|
|
try zig_args.append("--test-runner");
|
|
try zig_args.append(b.pathFromRoot(test_runner));
|
|
}
|
|
|
|
for (b.debug_log_scopes) |log_scope| {
|
|
try zig_args.append("--debug-log");
|
|
try zig_args.append(log_scope);
|
|
}
|
|
|
|
if (b.debug_compile_errors) {
|
|
try zig_args.append("--debug-compile-errors");
|
|
}
|
|
|
|
if (b.verbose_cimport) try zig_args.append("--verbose-cimport");
|
|
if (b.verbose_air) try zig_args.append("--verbose-air");
|
|
if (b.verbose_llvm_ir) |path| try zig_args.append(b.fmt("--verbose-llvm-ir={s}", .{path}));
|
|
if (b.verbose_llvm_bc) |path| try zig_args.append(b.fmt("--verbose-llvm-bc={s}", .{path}));
|
|
if (b.verbose_link or self.verbose_link) try zig_args.append("--verbose-link");
|
|
if (b.verbose_cc or self.verbose_cc) try zig_args.append("--verbose-cc");
|
|
if (b.verbose_llvm_cpu_features) try zig_args.append("--verbose-llvm-cpu-features");
|
|
|
|
if (self.generated_asm != null) try zig_args.append("-femit-asm");
|
|
if (self.generated_bin == null) try zig_args.append("-fno-emit-bin");
|
|
if (self.generated_docs != null) try zig_args.append("-femit-docs");
|
|
if (self.generated_implib != null) try zig_args.append("-femit-implib");
|
|
if (self.generated_llvm_bc != null) try zig_args.append("-femit-llvm-bc");
|
|
if (self.generated_llvm_ir != null) try zig_args.append("-femit-llvm-ir");
|
|
if (self.generated_h != null) try zig_args.append("-femit-h");
|
|
|
|
switch (self.compress_debug_sections) {
|
|
.none => {},
|
|
.zlib => try zig_args.append("--compress-debug-sections=zlib"),
|
|
.zstd => try zig_args.append("--compress-debug-sections=zstd"),
|
|
}
|
|
|
|
if (self.link_eh_frame_hdr) {
|
|
try zig_args.append("--eh-frame-hdr");
|
|
}
|
|
if (self.link_emit_relocs) {
|
|
try zig_args.append("--emit-relocs");
|
|
}
|
|
if (self.link_function_sections) {
|
|
try zig_args.append("-ffunction-sections");
|
|
}
|
|
if (self.link_data_sections) {
|
|
try zig_args.append("-fdata-sections");
|
|
}
|
|
if (self.link_gc_sections) |x| {
|
|
try zig_args.append(if (x) "--gc-sections" else "--no-gc-sections");
|
|
}
|
|
if (!self.linker_dynamicbase) {
|
|
try zig_args.append("--no-dynamicbase");
|
|
}
|
|
if (self.linker_allow_shlib_undefined) |x| {
|
|
try zig_args.append(if (x) "-fallow-shlib-undefined" else "-fno-allow-shlib-undefined");
|
|
}
|
|
if (self.link_z_notext) {
|
|
try zig_args.append("-z");
|
|
try zig_args.append("notext");
|
|
}
|
|
if (!self.link_z_relro) {
|
|
try zig_args.append("-z");
|
|
try zig_args.append("norelro");
|
|
}
|
|
if (self.link_z_lazy) {
|
|
try zig_args.append("-z");
|
|
try zig_args.append("lazy");
|
|
}
|
|
if (self.link_z_common_page_size) |size| {
|
|
try zig_args.append("-z");
|
|
try zig_args.append(b.fmt("common-page-size={d}", .{size}));
|
|
}
|
|
if (self.link_z_max_page_size) |size| {
|
|
try zig_args.append("-z");
|
|
try zig_args.append(b.fmt("max-page-size={d}", .{size}));
|
|
}
|
|
|
|
if (self.libc_file) |libc_file| {
|
|
try zig_args.append("--libc");
|
|
try zig_args.append(libc_file.getPath(b));
|
|
} else if (b.libc_file) |libc_file| {
|
|
try zig_args.append("--libc");
|
|
try zig_args.append(libc_file);
|
|
}
|
|
|
|
try zig_args.append("--cache-dir");
|
|
try zig_args.append(b.cache_root.path orelse ".");
|
|
|
|
try zig_args.append("--global-cache-dir");
|
|
try zig_args.append(b.global_cache_root.path orelse ".");
|
|
|
|
try zig_args.append("--name");
|
|
try zig_args.append(self.name);
|
|
|
|
if (self.linkage) |some| switch (some) {
|
|
.dynamic => try zig_args.append("-dynamic"),
|
|
.static => try zig_args.append("-static"),
|
|
};
|
|
if (self.kind == .lib and self.linkage != null and self.linkage.? == .dynamic) {
|
|
if (self.version) |version| {
|
|
try zig_args.append("--version");
|
|
try zig_args.append(b.fmt("{}", .{version}));
|
|
}
|
|
|
|
if (self.rootModuleTarget().isDarwin()) {
|
|
const install_name = self.install_name orelse b.fmt("@rpath/{s}{s}{s}", .{
|
|
self.rootModuleTarget().libPrefix(),
|
|
self.name,
|
|
self.rootModuleTarget().dynamicLibSuffix(),
|
|
});
|
|
try zig_args.append("-install_name");
|
|
try zig_args.append(install_name);
|
|
}
|
|
}
|
|
|
|
if (self.entitlements) |entitlements| {
|
|
try zig_args.appendSlice(&[_][]const u8{ "--entitlements", entitlements });
|
|
}
|
|
if (self.pagezero_size) |pagezero_size| {
|
|
const size = try std.fmt.allocPrint(b.allocator, "{x}", .{pagezero_size});
|
|
try zig_args.appendSlice(&[_][]const u8{ "-pagezero_size", size });
|
|
}
|
|
if (self.headerpad_size) |headerpad_size| {
|
|
const size = try std.fmt.allocPrint(b.allocator, "{x}", .{headerpad_size});
|
|
try zig_args.appendSlice(&[_][]const u8{ "-headerpad", size });
|
|
}
|
|
if (self.headerpad_max_install_names) {
|
|
try zig_args.append("-headerpad_max_install_names");
|
|
}
|
|
if (self.dead_strip_dylibs) {
|
|
try zig_args.append("-dead_strip_dylibs");
|
|
}
|
|
|
|
try addFlag(&zig_args, "compiler-rt", self.bundle_compiler_rt);
|
|
try addFlag(&zig_args, "dll-export-fns", self.dll_export_fns);
|
|
if (self.rdynamic) {
|
|
try zig_args.append("-rdynamic");
|
|
}
|
|
if (self.import_memory) {
|
|
try zig_args.append("--import-memory");
|
|
}
|
|
if (self.export_memory) {
|
|
try zig_args.append("--export-memory");
|
|
}
|
|
if (self.import_symbols) {
|
|
try zig_args.append("--import-symbols");
|
|
}
|
|
if (self.import_table) {
|
|
try zig_args.append("--import-table");
|
|
}
|
|
if (self.export_table) {
|
|
try zig_args.append("--export-table");
|
|
}
|
|
if (self.initial_memory) |initial_memory| {
|
|
try zig_args.append(b.fmt("--initial-memory={d}", .{initial_memory}));
|
|
}
|
|
if (self.max_memory) |max_memory| {
|
|
try zig_args.append(b.fmt("--max-memory={d}", .{max_memory}));
|
|
}
|
|
if (self.shared_memory) {
|
|
try zig_args.append("--shared-memory");
|
|
}
|
|
if (self.global_base) |global_base| {
|
|
try zig_args.append(b.fmt("--global-base={d}", .{global_base}));
|
|
}
|
|
|
|
if (self.wasi_exec_model) |model| {
|
|
try zig_args.append(b.fmt("-mexec-model={s}", .{@tagName(model)}));
|
|
}
|
|
if (self.linker_script) |linker_script| {
|
|
try zig_args.append("--script");
|
|
try zig_args.append(linker_script.getPath(b));
|
|
}
|
|
|
|
if (self.version_script) |version_script| {
|
|
try zig_args.append("--version-script");
|
|
try zig_args.append(b.pathFromRoot(version_script));
|
|
}
|
|
|
|
if (self.kind == .@"test") {
|
|
if (self.exec_cmd_args) |exec_cmd_args| {
|
|
for (exec_cmd_args) |cmd_arg| {
|
|
if (cmd_arg) |arg| {
|
|
try zig_args.append("--test-cmd");
|
|
try zig_args.append(arg);
|
|
} else {
|
|
try zig_args.append("--test-cmd-bin");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
try self.appendModuleArgs(&zig_args);
|
|
|
|
if (b.sysroot) |sysroot| {
|
|
try zig_args.appendSlice(&[_][]const u8{ "--sysroot", sysroot });
|
|
}
|
|
|
|
for (b.search_prefixes.items) |search_prefix| {
|
|
var prefix_dir = fs.cwd().openDir(search_prefix, .{}) catch |err| {
|
|
return step.fail("unable to open prefix directory '{s}': {s}", .{
|
|
search_prefix, @errorName(err),
|
|
});
|
|
};
|
|
defer prefix_dir.close();
|
|
|
|
// Avoid passing -L and -I flags for nonexistent directories.
|
|
// This prevents a warning, that should probably be upgraded to an error in Zig's
|
|
// CLI parsing code, when the linker sees an -L directory that does not exist.
|
|
|
|
if (prefix_dir.accessZ("lib", .{})) |_| {
|
|
try zig_args.appendSlice(&.{
|
|
"-L", try fs.path.join(b.allocator, &.{ search_prefix, "lib" }),
|
|
});
|
|
} else |err| switch (err) {
|
|
error.FileNotFound => {},
|
|
else => |e| return step.fail("unable to access '{s}/lib' directory: {s}", .{
|
|
search_prefix, @errorName(e),
|
|
}),
|
|
}
|
|
|
|
if (prefix_dir.accessZ("include", .{})) |_| {
|
|
try zig_args.appendSlice(&.{
|
|
"-I", try fs.path.join(b.allocator, &.{ search_prefix, "include" }),
|
|
});
|
|
} else |err| switch (err) {
|
|
error.FileNotFound => {},
|
|
else => |e| return step.fail("unable to access '{s}/include' directory: {s}", .{
|
|
search_prefix, @errorName(e),
|
|
}),
|
|
}
|
|
}
|
|
|
|
if (self.rc_includes != .any) {
|
|
try zig_args.append("-rcincludes");
|
|
try zig_args.append(@tagName(self.rc_includes));
|
|
}
|
|
|
|
try addFlag(&zig_args, "each-lib-rpath", self.each_lib_rpath);
|
|
|
|
if (self.build_id) |build_id| {
|
|
try zig_args.append(switch (build_id) {
|
|
.hexstring => |hs| b.fmt("--build-id=0x{s}", .{
|
|
std.fmt.fmtSliceHexLower(hs.toSlice()),
|
|
}),
|
|
.none, .fast, .uuid, .sha1, .md5 => b.fmt("--build-id={s}", .{@tagName(build_id)}),
|
|
});
|
|
}
|
|
|
|
if (self.zig_lib_dir) |dir| {
|
|
try zig_args.append("--zig-lib-dir");
|
|
try zig_args.append(dir.getPath(b));
|
|
}
|
|
|
|
try addFlag(&zig_args, "PIE", self.pie);
|
|
try addFlag(&zig_args, "lto", self.want_lto);
|
|
|
|
if (self.subsystem) |subsystem| {
|
|
try zig_args.append("--subsystem");
|
|
try zig_args.append(switch (subsystem) {
|
|
.Console => "console",
|
|
.Windows => "windows",
|
|
.Posix => "posix",
|
|
.Native => "native",
|
|
.EfiApplication => "efi_application",
|
|
.EfiBootServiceDriver => "efi_boot_service_driver",
|
|
.EfiRom => "efi_rom",
|
|
.EfiRuntimeDriver => "efi_runtime_driver",
|
|
});
|
|
}
|
|
|
|
if (self.error_limit) |err_limit| try zig_args.appendSlice(&.{
|
|
"--error-limit",
|
|
b.fmt("{}", .{err_limit}),
|
|
});
|
|
|
|
try zig_args.append("--listen=-");
|
|
|
|
// Windows has an argument length limit of 32,766 characters, macOS 262,144 and Linux
|
|
// 2,097,152. If our args exceed 30 KiB, we instead write them to a "response file" and
|
|
// pass that to zig, e.g. via 'zig build-lib @args.rsp'
|
|
// See @file syntax here: https://gcc.gnu.org/onlinedocs/gcc/Overall-Options.html
|
|
var args_length: usize = 0;
|
|
for (zig_args.items) |arg| {
|
|
args_length += arg.len + 1; // +1 to account for null terminator
|
|
}
|
|
if (args_length >= 30 * 1024) {
|
|
try b.cache_root.handle.makePath("args");
|
|
|
|
const args_to_escape = zig_args.items[2..];
|
|
var escaped_args = try ArrayList([]const u8).initCapacity(b.allocator, args_to_escape.len);
|
|
arg_blk: for (args_to_escape) |arg| {
|
|
for (arg, 0..) |c, arg_idx| {
|
|
if (c == '\\' or c == '"') {
|
|
// Slow path for arguments that need to be escaped. We'll need to allocate and copy
|
|
var escaped = try ArrayList(u8).initCapacity(b.allocator, arg.len + 1);
|
|
const writer = escaped.writer();
|
|
try writer.writeAll(arg[0..arg_idx]);
|
|
for (arg[arg_idx..]) |to_escape| {
|
|
if (to_escape == '\\' or to_escape == '"') try writer.writeByte('\\');
|
|
try writer.writeByte(to_escape);
|
|
}
|
|
escaped_args.appendAssumeCapacity(escaped.items);
|
|
continue :arg_blk;
|
|
}
|
|
}
|
|
escaped_args.appendAssumeCapacity(arg); // no escaping needed so just use original argument
|
|
}
|
|
|
|
// Write the args to zig-cache/args/<SHA256 hash of args> to avoid conflicts with
|
|
// other zig build commands running in parallel.
|
|
const partially_quoted = try std.mem.join(b.allocator, "\" \"", escaped_args.items);
|
|
const args = try std.mem.concat(b.allocator, u8, &[_][]const u8{ "\"", partially_quoted, "\"" });
|
|
|
|
var args_hash: [Sha256.digest_length]u8 = undefined;
|
|
Sha256.hash(args, &args_hash, .{});
|
|
var args_hex_hash: [Sha256.digest_length * 2]u8 = undefined;
|
|
_ = try std.fmt.bufPrint(
|
|
&args_hex_hash,
|
|
"{s}",
|
|
.{std.fmt.fmtSliceHexLower(&args_hash)},
|
|
);
|
|
|
|
const args_file = "args" ++ fs.path.sep_str ++ args_hex_hash;
|
|
try b.cache_root.handle.writeFile(args_file, args);
|
|
|
|
const resolved_args_file = try mem.concat(b.allocator, u8, &.{
|
|
"@",
|
|
try b.cache_root.join(b.allocator, &.{args_file}),
|
|
});
|
|
|
|
zig_args.shrinkRetainingCapacity(2);
|
|
try zig_args.append(resolved_args_file);
|
|
}
|
|
|
|
const maybe_output_bin_path = step.evalZigProcess(zig_args.items, prog_node) catch |err| switch (err) {
|
|
error.NeedCompileErrorCheck => {
|
|
assert(self.expect_errors != null);
|
|
try checkCompileErrors(self);
|
|
return;
|
|
},
|
|
else => |e| return e,
|
|
};
|
|
|
|
// Update generated files
|
|
if (maybe_output_bin_path) |output_bin_path| {
|
|
const output_dir = fs.path.dirname(output_bin_path).?;
|
|
|
|
if (self.emit_directory) |lp| {
|
|
lp.path = output_dir;
|
|
}
|
|
|
|
// -femit-bin[=path] (default) Output machine code
|
|
if (self.generated_bin) |bin| {
|
|
bin.path = b.pathJoin(&.{ output_dir, self.out_filename });
|
|
}
|
|
|
|
const sep = std.fs.path.sep;
|
|
|
|
// output PDB if someone requested it
|
|
if (self.generated_pdb) |pdb| {
|
|
pdb.path = b.fmt("{s}{c}{s}.pdb", .{ output_dir, sep, self.name });
|
|
}
|
|
|
|
// -femit-implib[=path] (default) Produce an import .lib when building a Windows DLL
|
|
if (self.generated_implib) |implib| {
|
|
implib.path = b.fmt("{s}{c}{s}.lib", .{ output_dir, sep, self.name });
|
|
}
|
|
|
|
// -femit-h[=path] Generate a C header file (.h)
|
|
if (self.generated_h) |lp| {
|
|
lp.path = b.fmt("{s}{c}{s}.h", .{ output_dir, sep, self.name });
|
|
}
|
|
|
|
// -femit-docs[=path] Create a docs/ dir with html documentation
|
|
if (self.generated_docs) |generated_docs| {
|
|
generated_docs.path = b.pathJoin(&.{ output_dir, "docs" });
|
|
}
|
|
|
|
// -femit-asm[=path] Output .s (assembly code)
|
|
if (self.generated_asm) |lp| {
|
|
lp.path = b.fmt("{s}{c}{s}.s", .{ output_dir, sep, self.name });
|
|
}
|
|
|
|
// -femit-llvm-ir[=path] Produce a .ll file with optimized LLVM IR (requires LLVM extensions)
|
|
if (self.generated_llvm_ir) |lp| {
|
|
lp.path = b.fmt("{s}{c}{s}.ll", .{ output_dir, sep, self.name });
|
|
}
|
|
|
|
// -femit-llvm-bc[=path] Produce an optimized LLVM module as a .bc file (requires LLVM extensions)
|
|
if (self.generated_llvm_bc) |lp| {
|
|
lp.path = b.fmt("{s}{c}{s}.bc", .{ output_dir, sep, self.name });
|
|
}
|
|
}
|
|
|
|
if (self.kind == .lib and self.linkage != null and self.linkage.? == .dynamic and
|
|
self.version != null and std.Build.wantSharedLibSymLinks(self.rootModuleTarget()))
|
|
{
|
|
try doAtomicSymLinks(
|
|
step,
|
|
self.getEmittedBin().getPath(b),
|
|
self.major_only_filename.?,
|
|
self.name_only_filename.?,
|
|
);
|
|
}
|
|
}
|
|
|
|
pub fn doAtomicSymLinks(
|
|
step: *Step,
|
|
output_path: []const u8,
|
|
filename_major_only: []const u8,
|
|
filename_name_only: []const u8,
|
|
) !void {
|
|
const arena = step.owner.allocator;
|
|
const out_dir = fs.path.dirname(output_path) orelse ".";
|
|
const out_basename = fs.path.basename(output_path);
|
|
// sym link for libfoo.so.1 to libfoo.so.1.2.3
|
|
const major_only_path = try fs.path.join(arena, &.{ out_dir, filename_major_only });
|
|
fs.atomicSymLink(arena, out_basename, major_only_path) catch |err| {
|
|
return step.fail("unable to symlink {s} -> {s}: {s}", .{
|
|
major_only_path, out_basename, @errorName(err),
|
|
});
|
|
};
|
|
// sym link for libfoo.so to libfoo.so.1
|
|
const name_only_path = try fs.path.join(arena, &.{ out_dir, filename_name_only });
|
|
fs.atomicSymLink(arena, filename_major_only, name_only_path) catch |err| {
|
|
return step.fail("Unable to symlink {s} -> {s}: {s}", .{
|
|
name_only_path, filename_major_only, @errorName(err),
|
|
});
|
|
};
|
|
}
|
|
|
|
fn execPkgConfigList(self: *std.Build, out_code: *u8) (PkgConfigError || RunError)![]const PkgConfigPkg {
|
|
const stdout = try self.runAllowFail(&[_][]const u8{ "pkg-config", "--list-all" }, out_code, .Ignore);
|
|
var list = ArrayList(PkgConfigPkg).init(self.allocator);
|
|
errdefer list.deinit();
|
|
var line_it = mem.tokenizeAny(u8, stdout, "\r\n");
|
|
while (line_it.next()) |line| {
|
|
if (mem.trim(u8, line, " \t").len == 0) continue;
|
|
var tok_it = mem.tokenizeAny(u8, line, " \t");
|
|
try list.append(PkgConfigPkg{
|
|
.name = tok_it.next() orelse return error.PkgConfigInvalidOutput,
|
|
.desc = tok_it.rest(),
|
|
});
|
|
}
|
|
return list.toOwnedSlice();
|
|
}
|
|
|
|
fn getPkgConfigList(self: *std.Build) ![]const PkgConfigPkg {
|
|
if (self.pkg_config_pkg_list) |res| {
|
|
return res;
|
|
}
|
|
var code: u8 = undefined;
|
|
if (execPkgConfigList(self, &code)) |list| {
|
|
self.pkg_config_pkg_list = list;
|
|
return list;
|
|
} else |err| {
|
|
const result = switch (err) {
|
|
error.ProcessTerminated => error.PkgConfigCrashed,
|
|
error.ExecNotSupported => error.PkgConfigFailed,
|
|
error.ExitCodeFailure => error.PkgConfigFailed,
|
|
error.FileNotFound => error.PkgConfigNotInstalled,
|
|
error.InvalidName => error.PkgConfigNotInstalled,
|
|
error.PkgConfigInvalidOutput => error.PkgConfigInvalidOutput,
|
|
else => return err,
|
|
};
|
|
self.pkg_config_pkg_list = result;
|
|
return result;
|
|
}
|
|
}
|
|
|
|
fn addFlag(args: *ArrayList([]const u8), comptime name: []const u8, opt: ?bool) !void {
|
|
const cond = opt orelse return;
|
|
try args.ensureUnusedCapacity(1);
|
|
if (cond) {
|
|
args.appendAssumeCapacity("-f" ++ name);
|
|
} else {
|
|
args.appendAssumeCapacity("-fno-" ++ name);
|
|
}
|
|
}
|
|
|
|
fn checkCompileErrors(self: *Compile) !void {
|
|
// Clear this field so that it does not get printed by the build runner.
|
|
const actual_eb = self.step.result_error_bundle;
|
|
self.step.result_error_bundle = std.zig.ErrorBundle.empty;
|
|
|
|
const arena = self.step.owner.allocator;
|
|
|
|
var actual_stderr_list = std.ArrayList(u8).init(arena);
|
|
try actual_eb.renderToWriter(.{
|
|
.ttyconf = .no_color,
|
|
.include_reference_trace = false,
|
|
.include_source_line = false,
|
|
}, actual_stderr_list.writer());
|
|
const actual_stderr = try actual_stderr_list.toOwnedSlice();
|
|
|
|
// Render the expected lines into a string that we can compare verbatim.
|
|
var expected_generated = std.ArrayList(u8).init(arena);
|
|
const expect_errors = self.expect_errors.?;
|
|
|
|
var actual_line_it = mem.splitScalar(u8, actual_stderr, '\n');
|
|
|
|
// TODO merge this with the testing.expectEqualStrings logic, and also CheckFile
|
|
switch (expect_errors) {
|
|
.contains => |expect_line| {
|
|
while (actual_line_it.next()) |actual_line| {
|
|
if (!matchCompileError(actual_line, expect_line)) continue;
|
|
return;
|
|
}
|
|
|
|
return self.step.fail(
|
|
\\
|
|
\\========= should contain: ===============
|
|
\\{s}
|
|
\\========= but not found: ================
|
|
\\{s}
|
|
\\=========================================
|
|
, .{ expect_line, actual_stderr });
|
|
},
|
|
.exact => |expect_lines| {
|
|
for (expect_lines) |expect_line| {
|
|
const actual_line = actual_line_it.next() orelse {
|
|
try expected_generated.appendSlice(expect_line);
|
|
try expected_generated.append('\n');
|
|
continue;
|
|
};
|
|
if (matchCompileError(actual_line, expect_line)) {
|
|
try expected_generated.appendSlice(actual_line);
|
|
try expected_generated.append('\n');
|
|
continue;
|
|
}
|
|
try expected_generated.appendSlice(expect_line);
|
|
try expected_generated.append('\n');
|
|
}
|
|
|
|
if (mem.eql(u8, expected_generated.items, actual_stderr)) return;
|
|
|
|
return self.step.fail(
|
|
\\
|
|
\\========= expected: =====================
|
|
\\{s}
|
|
\\========= but found: ====================
|
|
\\{s}
|
|
\\=========================================
|
|
, .{ expected_generated.items, actual_stderr });
|
|
},
|
|
}
|
|
}
|
|
|
|
fn matchCompileError(actual: []const u8, expected: []const u8) bool {
|
|
if (mem.endsWith(u8, actual, expected)) return true;
|
|
if (mem.startsWith(u8, expected, ":?:?: ")) {
|
|
if (mem.endsWith(u8, actual, expected[":?:?: ".len..])) return true;
|
|
}
|
|
// We scan for /?/ in expected line and if there is a match, we match everything
|
|
// up to and after /?/.
|
|
const expected_trim = mem.trim(u8, expected, " ");
|
|
if (mem.indexOf(u8, expected_trim, "/?/")) |index| {
|
|
const actual_trim = mem.trim(u8, actual, " ");
|
|
const lhs = expected_trim[0..index];
|
|
const rhs = expected_trim[index + "/?/".len ..];
|
|
if (mem.startsWith(u8, actual_trim, lhs) and mem.endsWith(u8, actual_trim, rhs)) return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
pub fn rootModuleTarget(c: *Compile) std.Target {
|
|
// The root module is always given a target, so we know this to be non-null.
|
|
return c.root_module.resolved_target.?.result;
|
|
}
|