gpu-dawn: fix the build

Signed-off-by: Stephen Gutekanst <stephen@hexops.com>
This commit is contained in:
Stephen Gutekanst 2023-07-07 06:33:08 -07:00
parent 3359c6163b
commit b9e9d89496

View file

@ -4,7 +4,7 @@ const Build = std.Build;
pub fn build(b: *Build) !void {
const optimize = b.standardOptimizeOption(.{});
const target = b.standardTargetOptions(.{});
const glfw = @import("libs/mach-glfw/build.zig");
const glfw = @import("mach_glfw");
const options = Options{
.install_libs = true,
.from_source = true,
@ -572,7 +572,6 @@ pub fn appendFlags(step: *std.build.CompileStep, flags: *std.ArrayList([]const u
}
fn linkLibDawnCommonDependencies(b: *Build, step: *std.build.CompileStep, options: Options) void {
_ = b;
_ = options;
step.linkLibCpp();
if (step.target_info.target.os.tag == .macos) {
@ -1271,7 +1270,6 @@ fn buildLibSPIRVTools(b: *Build, step: *std.build.CompileStep, options: Options)
}
fn linkLibAbseilCppDependencies(b: *Build, step: *std.build.CompileStep, options: Options) void {
_ = b;
_ = options;
step.linkLibCpp();
const target = step.target_info.target;
@ -1655,76 +1653,4 @@ const xcode_frameworks = struct {
break :blk root_dir ++ suffix;
};
}
fn ensureGitRepoCloned(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 exec(allocator: std.mem.Allocator, argv: []const []const u8, cwd: []const u8) !void {
var child = std.ChildProcess.init(argv, allocator);
child.cwd = cwd;
_ = try child.spawnAndWait();
}
fn getCurrentGitRevision(allocator: std.mem.Allocator, cwd: []const u8) ![]const u8 {
const result = try std.ChildProcess.exec(.{ .allocator = allocator, .argv = &.{ "git", "rev-parse", "HEAD" }, .cwd = cwd });
allocator.free(result.stderr);
if (result.stdout.len > 0) return result.stdout[0 .. result.stdout.len - 1]; // trim newline
return result.stdout;
}
fn ensureGit(allocator: std.mem.Allocator) void {
const argv = &[_][]const u8{ "git", "--version" };
const result = std.ChildProcess.exec(.{
.allocator = allocator,
.argv = argv,
.cwd = ".",
}) catch { // e.g. FileNotFound
std.log.err("mach: error: 'git --version' failed. Is git not installed?", .{});
std.process.exit(1);
};
defer {
allocator.free(result.stderr);
allocator.free(result.stdout);
}
if (result.term.Exited != 0) {
std.log.err("mach: error: 'git --version' failed. Is git not installed?", .{});
std.process.exit(1);
}
}
fn isEnvVarTruthy(allocator: std.mem.Allocator, name: []const u8) bool {
if (std.process.getEnvVarOwned(allocator, name)) |truthy| {
defer allocator.free(truthy);
if (std.mem.eql(u8, truthy, "true")) return true;
return false;
} else |_| {
return false;
}
}
};