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gpu-dawn: fix xcode_frameworks relative cloning

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Signed-off-by: Stephen Gutekanst <stephen@hexops.com>
This commit is contained in:
Stephen Gutekanst 2023-07-07 06:58:01 -07:00
parent dfd92fdd3d
commit 9b53843e05
1 changed files with 30 additions and 1 deletions
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31
libs/gpu-dawn/build.zig
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@ -1639,13 +1639,42 @@ fn sdkPath(comptime suffix: []const u8) []const u8 {
const xcode_frameworks = struct {
pub fn addPaths(b: *std.Build, step: *std.build.CompileStep) void {
// branch: mach
ensureGitRepoCloned(b.allocator, "https://github.com/hexops/xcode-frameworks", "723aa55e9752c8c6c25d3413722b5fe13d72ac4f", "zig-cache/xcode_frameworks") catch |err| @panic(@errorName(err));
xcodeEnsureGitRepoCloned(b.allocator, "https://github.com/hexops/xcode-frameworks", "723aa55e9752c8c6c25d3413722b5fe13d72ac4f", "zig-cache/xcode_frameworks") catch |err| @panic(@errorName(err));
step.addFrameworkPath("zig-cache/xcode_frameworks/Frameworks");
step.addSystemIncludePath("zig-cache/xcode_frameworks/include");
step.addLibraryPath("zig-cache/xcode_frameworks/lib");
}
fn xcodeEnsureGitRepoCloned(allocator: std.mem.Allocator, clone_url: []const u8, revision: []const u8, rel_dir: []const u8) !void {
if (isEnvVarTruthy(allocator, "NO_ENSURE_SUBMODULES") or isEnvVarTruthy(allocator, "NO_ENSURE_GIT")) {
return;
}
ensureGit(allocator);
if (std.fs.cwd().realpathAlloc(allocator, rel_dir)) |dir| {
const current_revision = try getCurrentGitRevision(allocator, dir);
if (!std.mem.eql(u8, current_revision, revision)) {
// Reset to the desired revision
exec(allocator, &[_][]const u8{ "git", "fetch" }, dir) catch |err| std.debug.print("warning: failed to 'git fetch' in {s}: {s}\n", .{ dir, @errorName(err) });
try exec(allocator, &[_][]const u8{ "git", "checkout", "--quiet", "--force", revision }, dir);
try exec(allocator, &[_][]const u8{ "git", "submodule", "update", "--init", "--recursive" }, dir);
}
return;
} else |err| return switch (err) {
error.FileNotFound => {
std.log.info("cloning required dependency..\ngit clone {s} {s}..\n", .{ clone_url, rel_dir });
try exec(allocator, &[_][]const u8{ "git", "clone", "-c", "core.longpaths=true", clone_url, rel_dir }, xcodeSdkPath("/"));
try exec(allocator, &[_][]const u8{ "git", "checkout", "--quiet", "--force", revision }, rel_dir);
try exec(allocator, &[_][]const u8{ "git", "submodule", "update", "--init", "--recursive" }, rel_dir);
return;
},
else => err,
};
}
fn xcodeSdkPath(comptime suffix: []const u8) []const u8 {
if (suffix[0] != '/') @compileError("suffix must be an absolute path");
return comptime blk: {