resolveCrtPaths

Function parameters

Parameters

lci:LibCInstallation
arena:Allocator
crt_basenames:CrtBasenames
target:*const std.Target

Type definitions in this namespace

Types

FindNativeOptions
CCPrintFileNameOptions
CrtBasenames: These are basenames.
CrtPaths

Functions in this namespace

Functions

parse
render
findNative: Finds the default, native libc.
deinit: Must be the same allocator passed to `parse` or `findNative`.
resolveCrtPaths

Error sets in this namespace

Error Sets

FindError

Source

Implementation

pub fn resolveCrtPaths(
    lci: LibCInstallation,
    arena: Allocator,
    crt_basenames: CrtBasenames,
    target: *const std.Target,
) error{ OutOfMemory, LibCInstallationMissingCrtDir }!CrtPaths {
    const crt_dir_path: Path = .{
        .root_dir = std.Build.Cache.Directory.cwd(),
        .sub_path = lci.crt_dir orelse return error.LibCInstallationMissingCrtDir,
    };
    switch (target.os.tag) {
        .dragonfly => {
            const gccv: []const u8 = if (target.os.version_range.semver.isAtLeast(.{
                .major = 5,
                .minor = 4,
                .patch = 0,
            }) orelse true) "gcc80" else "gcc54";
            return .{
                .crt0 = if (crt_basenames.crt0) |basename| try crt_dir_path.join(arena, basename) else null,
                .crti = if (crt_basenames.crti) |basename| try crt_dir_path.join(arena, basename) else null,
                .crtbegin = if (crt_basenames.crtbegin) |basename| .{
                    .root_dir = crt_dir_path.root_dir,
                    .sub_path = try fs.path.join(arena, &.{ crt_dir_path.sub_path, gccv, basename }),
                } else null,
                .crtend = if (crt_basenames.crtend) |basename| .{
                    .root_dir = crt_dir_path.root_dir,
                    .sub_path = try fs.path.join(arena, &.{ crt_dir_path.sub_path, gccv, basename }),
                } else null,
                .crtn = if (crt_basenames.crtn) |basename| try crt_dir_path.join(arena, basename) else null,
            };
        },
        .haiku => {
            const gcc_dir_path: Path = .{
                .root_dir = std.Build.Cache.Directory.cwd(),
                .sub_path = lci.gcc_dir orelse return error.LibCInstallationMissingCrtDir,
            };
            return .{
                .crt0 = if (crt_basenames.crt0) |basename| try crt_dir_path.join(arena, basename) else null,
                .crti = if (crt_basenames.crti) |basename| try crt_dir_path.join(arena, basename) else null,
                .crtbegin = if (crt_basenames.crtbegin) |basename| try gcc_dir_path.join(arena, basename) else null,
                .crtend = if (crt_basenames.crtend) |basename| try gcc_dir_path.join(arena, basename) else null,
                .crtn = if (crt_basenames.crtn) |basename| try crt_dir_path.join(arena, basename) else null,
            };
        },
        else => {
            return .{
                .crt0 = if (crt_basenames.crt0) |basename| try crt_dir_path.join(arena, basename) else null,
                .crti = if (crt_basenames.crti) |basename| try crt_dir_path.join(arena, basename) else null,
                .crtbegin = if (crt_basenames.crtbegin) |basename| try crt_dir_path.join(arena, basename) else null,
                .crtend = if (crt_basenames.crtend) |basename| try crt_dir_path.join(arena, basename) else null,
                .crtn = if (crt_basenames.crtn) |basename| try crt_dir_path.join(arena, basename) else null,
            };
        },
    }
}