diff --git a/build.zig b/build.zig
index 21059abd3c..0e43b82f9a 100644
--- a/build.zig
+++ b/build.zig
@@ -34,7 +34,7 @@ pub fn build(b: *std.Build) !void {
 
     const docgen_exe = b.addExecutable(.{
         .name = "docgen",
-        .root_source_file = .{ .path = "tools/docgen.zig" },
+        .root_source_file = b.path("tools/docgen.zig"),
         .target = b.host,
         .optimize = .Debug,
         .single_threaded = single_threaded,
@@ -46,7 +46,7 @@ pub fn build(b: *std.Build) !void {
         docgen_cmd.addArg("--zig-lib-dir");
         docgen_cmd.addDirectoryArg(p);
     }
-    docgen_cmd.addFileArg(.{ .path = "doc/langref.html.in" });
+    docgen_cmd.addFileArg(b.path("doc/langref.html.in"));
     const langref_file = docgen_cmd.addOutputFileArg("langref.html");
     const install_langref = b.addInstallFileWithDir(langref_file, .prefix, "doc/langref.html");
     if (!skip_install_langref) {
@@ -55,9 +55,9 @@ pub fn build(b: *std.Build) !void {
 
     const autodoc_test = b.addObject(.{
         .name = "std",
-        .root_source_file = .{ .path = "lib/std/std.zig" },
+        .root_source_file = b.path("lib/std/std.zig"),
         .target = target,
-        .zig_lib_dir = .{ .path = "lib" },
+        .zig_lib_dir = b.path("lib"),
         .optimize = .Debug,
     });
     const install_std_docs = b.addInstallDirectory(.{
@@ -86,7 +86,7 @@ pub fn build(b: *std.Build) !void {
 
     const check_case_exe = b.addExecutable(.{
         .name = "check-case",
-        .root_source_file = .{ .path = "test/src/Cases.zig" },
+        .root_source_file = b.path("test/src/Cases.zig"),
         .target = b.host,
         .optimize = optimize,
         .single_threaded = single_threaded,
@@ -135,7 +135,7 @@ pub fn build(b: *std.Build) !void {
 
     if (!skip_install_lib_files) {
         b.installDirectory(.{
-            .source_dir = .{ .path = "lib" },
+            .source_dir = b.path("lib"),
             .install_dir = if (flat) .prefix else .lib,
             .install_subdir = if (flat) "lib" else "zig",
             .exclude_extensions = &[_][]const u8{
@@ -552,10 +552,10 @@ pub fn build(b: *std.Build) !void {
     const update_mingw_exe = b.addExecutable(.{
         .name = "update_mingw",
         .target = b.host,
-        .root_source_file = .{ .path = "tools/update_mingw.zig" },
+        .root_source_file = b.path("tools/update_mingw.zig"),
     });
     const update_mingw_run = b.addRunArtifact(update_mingw_exe);
-    update_mingw_run.addDirectoryArg(.{ .path = "lib" });
+    update_mingw_run.addDirectoryArg(b.path("lib"));
     if (opt_mingw_src_path) |mingw_src_path| {
         update_mingw_run.addDirectoryArg(.{ .cwd_relative = mingw_src_path });
     } else {
@@ -606,10 +606,10 @@ fn addWasiUpdateStep(b: *std.Build, version: [:0]const u8) !void {
     });
     run_opt.addArtifactArg(exe);
     run_opt.addArg("-o");
-    run_opt.addFileArg(.{ .path = "stage1/zig1.wasm" });
+    run_opt.addFileArg(b.path("stage1/zig1.wasm"));
 
     const copy_zig_h = b.addWriteFiles();
-    copy_zig_h.addCopyFileToSource(.{ .path = "lib/zig.h" }, "stage1/zig.h");
+    copy_zig_h.addCopyFileToSource(b.path("lib/zig.h"), "stage1/zig.h");
 
     const update_zig1_step = b.step("update-zig1", "Update stage1/zig1.wasm");
     update_zig1_step.dependOn(&run_opt.step);
@@ -627,7 +627,7 @@ const AddCompilerStepOptions = struct {
 fn addCompilerStep(b: *std.Build, options: AddCompilerStepOptions) *std.Build.Step.Compile {
     const exe = b.addExecutable(.{
         .name = "zig",
-        .root_source_file = .{ .path = "src/main.zig" },
+        .root_source_file = b.path("src/main.zig"),
         .target = options.target,
         .optimize = options.optimize,
         .max_rss = 7_000_000_000,
@@ -638,11 +638,11 @@ fn addCompilerStep(b: *std.Build, options: AddCompilerStepOptions) *std.Build.St
     exe.stack_size = stack_size;
 
     const aro_module = b.createModule(.{
-        .root_source_file = .{ .path = "lib/compiler/aro/aro.zig" },
+        .root_source_file = b.path("lib/compiler/aro/aro.zig"),
     });
 
     const aro_translate_c_module = b.createModule(.{
-        .root_source_file = .{ .path = "lib/compiler/aro_translate_c.zig" },
+        .root_source_file = b.path("lib/compiler/aro_translate_c.zig"),
         .imports = &.{
             .{
                 .name = "aro",
diff --git a/lib/std/Build.zig b/lib/std/Build.zig
index 40196ab961..a3d091858a 100644
--- a/lib/std/Build.zig
+++ b/lib/std/Build.zig
@@ -1546,22 +1546,22 @@ pub fn addInstallArtifact(
 }
 
 ///`dest_rel_path` is relative to prefix path
-pub fn installFile(self: *Build, src_path: []const u8, dest_rel_path: []const u8) void {
-    self.getInstallStep().dependOn(&self.addInstallFileWithDir(.{ .path = src_path }, .prefix, dest_rel_path).step);
+pub fn installFile(b: *Build, src_path: []const u8, dest_rel_path: []const u8) void {
+    b.getInstallStep().dependOn(&b.addInstallFileWithDir(b.path(src_path), .prefix, dest_rel_path).step);
 }
 
-pub fn installDirectory(self: *Build, options: Step.InstallDir.Options) void {
-    self.getInstallStep().dependOn(&self.addInstallDirectory(options).step);
+pub fn installDirectory(b: *Build, options: Step.InstallDir.Options) void {
+    b.getInstallStep().dependOn(&b.addInstallDirectory(options).step);
 }
 
 ///`dest_rel_path` is relative to bin path
-pub fn installBinFile(self: *Build, src_path: []const u8, dest_rel_path: []const u8) void {
-    self.getInstallStep().dependOn(&self.addInstallFileWithDir(.{ .path = src_path }, .bin, dest_rel_path).step);
+pub fn installBinFile(b: *Build, src_path: []const u8, dest_rel_path: []const u8) void {
+    b.getInstallStep().dependOn(&b.addInstallFileWithDir(b.path(src_path), .bin, dest_rel_path).step);
 }
 
 ///`dest_rel_path` is relative to lib path
-pub fn installLibFile(self: *Build, src_path: []const u8, dest_rel_path: []const u8) void {
-    self.getInstallStep().dependOn(&self.addInstallFileWithDir(.{ .path = src_path }, .lib, dest_rel_path).step);
+pub fn installLibFile(b: *Build, src_path: []const u8, dest_rel_path: []const u8) void {
+    b.getInstallStep().dependOn(&b.addInstallFileWithDir(b.path(src_path), .lib, dest_rel_path).step);
 }
 
 pub fn addObjCopy(b: *Build, source: LazyPath, options: Step.ObjCopy.Options) *Step.ObjCopy {
@@ -1637,7 +1637,11 @@ pub fn truncateFile(self: *Build, dest_path: []const u8) !void {
 
 /// References a file or directory relative to the source root.
 pub fn path(b: *Build, sub_path: []const u8) LazyPath {
-    assert(!fs.path.isAbsolute(sub_path));
+    if (fs.path.isAbsolute(sub_path)) {
+        std.debug.panic("sub_path is expected to be relative to the build root, but was this absolute path: '{s}'. It is best avoid absolute paths, but if you must, it is supported by LazyPath.cwd_relative", .{
+            sub_path,
+        });
+    }
     return .{ .src_path = .{
         .owner = b,
         .sub_path = sub_path,
@@ -2315,12 +2319,15 @@ pub const LazyPath = union(enum) {
         }
     }
 
-    /// Duplicates the file source for a given builder.
+    /// Copies the internal strings.
+    ///
+    /// The `b` parameter is only used for its allocator. All *Build instances
+    /// share the same allocator.
     pub fn dupe(self: LazyPath, b: *Build) LazyPath {
         return switch (self) {
             .src_path => |sp| .{ .src_path = .{
                 .owner = sp.owner,
-                .sub_path = b.dupePath(sp.sub_path),
+                .sub_path = sp.owner.dupePath(sp.sub_path),
             } },
             .path => |p| .{ .path = b.dupePath(p) },
             .cwd_relative => |p| .{ .cwd_relative = b.dupePath(p) },
diff --git a/lib/std/Build/Module.zig b/lib/std/Build/Module.zig
index 02386de430..d19f0a781e 100644
--- a/lib/std/Build/Module.zig
+++ b/lib/std/Build/Module.zig
@@ -451,7 +451,7 @@ pub fn linkFramework(m: *Module, name: []const u8, options: LinkFrameworkOptions
 pub const AddCSourceFilesOptions = struct {
     /// When provided, `files` are relative to `root` rather than the
     /// package that owns the `Compile` step.
-    root: LazyPath = .{ .path = "" },
+    root: ?LazyPath = null,
     files: []const []const u8,
     flags: []const []const u8 = &.{},
 };
@@ -472,7 +472,7 @@ pub fn addCSourceFiles(m: *Module, options: AddCSourceFilesOptions) void {
 
     const c_source_files = allocator.create(CSourceFiles) catch @panic("OOM");
     c_source_files.* = .{
-        .root = options.root,
+        .root = options.root orelse b.path(""),
         .files = b.dupeStrings(options.files),
         .flags = b.dupeStrings(options.flags),
     };
@@ -573,17 +573,6 @@ pub fn addLibraryPath(m: *Module, directory_path: LazyPath) void {
 
 pub fn addRPath(m: *Module, directory_path: LazyPath) void {
     const b = m.owner;
-    switch (directory_path) {
-        .path, .cwd_relative => |path| {
-            // TODO: remove this check after people upgrade and stop expecting it to work
-            if (std.mem.startsWith(u8, path, "@executable_path") or
-                std.mem.startsWith(u8, path, "@loader_path"))
-            {
-                @panic("this function is for adding directory paths. It does not support special rpaths. use addRPathSpecial for that.");
-            }
-        },
-        else => {},
-    }
     m.rpaths.append(b.allocator, .{ .lazy_path = directory_path.dupe(b) }) catch @panic("OOM");
     addLazyPathDependenciesOnly(m, directory_path);
 }
diff --git a/lib/std/Build/Step/Compile.zig b/lib/std/Build/Step/Compile.zig
index a63d9f6838..c36fd8c4ca 100644
--- a/lib/std/Build/Step/Compile.zig
+++ b/lib/std/Build/Step/Compile.zig
@@ -264,20 +264,8 @@ pub const HeaderInstallation = union(enum) {
         dest_rel_path: []const u8,
 
         pub fn dupe(self: File, b: *std.Build) File {
-            // 'path' lazy paths are relative to the build root of some step, inferred from the step
-            // in which they are used. This means that we can't dupe such paths, because they may
-            // come from dependencies with their own build roots and duping the paths as is might
-            // cause the build script to search for the file relative to the wrong root.
-            // As a temporary workaround, we convert build root-relative paths to absolute paths.
-            // If/when the build-root relative paths are updated to encode which build root they are
-            // relative to, this workaround should be removed.
-            const duped_source: LazyPath = switch (self.source) {
-                .path => |root_rel| .{ .cwd_relative = b.pathFromRoot(root_rel) },
-                else => self.source.dupe(b),
-            };
-
             return .{
-                .source = duped_source,
+                .source = self.source.dupe(b),
                 .dest_rel_path = b.dupePath(self.dest_rel_path),
             };
         }
@@ -305,20 +293,8 @@ pub const HeaderInstallation = union(enum) {
         };
 
         pub fn dupe(self: Directory, b: *std.Build) Directory {
-            // 'path' lazy paths are relative to the build root of some step, inferred from the step
-            // in which they are used. This means that we can't dupe such paths, because they may
-            // come from dependencies with their own build roots and duping the paths as is might
-            // cause the build script to search for the file relative to the wrong root.
-            // As a temporary workaround, we convert build root-relative paths to absolute paths.
-            // If/when the build-root relative paths are updated to encode which build root they are
-            // relative to, this workaround should be removed.
-            const duped_source: LazyPath = switch (self.source) {
-                .path => |root_rel| .{ .cwd_relative = b.pathFromRoot(root_rel) },
-                else => self.source.dupe(b),
-            };
-
             return .{
-                .source = duped_source,
+                .source = self.source.dupe(b),
                 .dest_rel_path = b.dupePath(self.dest_rel_path),
                 .options = self.options.dupe(b),
             };
diff --git a/test/link/bss/build.zig b/test/link/bss/build.zig
index 865af0a488..cbe913781c 100644
--- a/test/link/bss/build.zig
+++ b/test/link/bss/build.zig
@@ -6,7 +6,7 @@ pub fn build(b: *std.Build) void {
 
     const exe = b.addExecutable(.{
         .name = "bss",
-        .root_source_file = .{ .path = "main.zig" },
+        .root_source_file = b.path("main.zig"),
         .target = b.host,
         .optimize = .Debug,
     });
diff --git a/test/link/common_symbols/build.zig b/test/link/common_symbols/build.zig
index 9b5c9da662..dd093a891a 100644
--- a/test/link/common_symbols/build.zig
+++ b/test/link/common_symbols/build.zig
@@ -22,7 +22,7 @@ fn add(b: *std.Build, test_step: *std.Build.Step, optimize: std.builtin.Optimize
     });
 
     const test_exe = b.addTest(.{
-        .root_source_file = .{ .path = "main.zig" },
+        .root_source_file = b.path("main.zig"),
         .optimize = optimize,
     });
     test_exe.linkLibrary(lib_a);
diff --git a/test/link/common_symbols_alignment/build.zig b/test/link/common_symbols_alignment/build.zig
index 63aff339a9..7e732762ef 100644
--- a/test/link/common_symbols_alignment/build.zig
+++ b/test/link/common_symbols_alignment/build.zig
@@ -22,7 +22,7 @@ fn add(b: *std.Build, test_step: *std.Build.Step, optimize: std.builtin.Optimize
     });
 
     const test_exe = b.addTest(.{
-        .root_source_file = .{ .path = "main.zig" },
+        .root_source_file = b.path("main.zig"),
         .optimize = optimize,
     });
     test_exe.linkLibrary(lib_a);
diff --git a/test/link/glibc_compat/build.zig b/test/link/glibc_compat/build.zig
index e0cc1a70d8..67a58200c3 100644
--- a/test/link/glibc_compat/build.zig
+++ b/test/link/glibc_compat/build.zig
@@ -21,7 +21,7 @@ pub fn build(b: *std.Build) void {
                 .{ .arch_os_abi = t },
             ) catch unreachable),
         });
-        exe.addCSourceFile(.{ .file = .{ .path = "main.c" } });
+        exe.addCSourceFile(.{ .file = b.path("main.c") });
         exe.linkLibC();
         // TODO: actually test the output
         _ = exe.getEmittedBin();
@@ -45,7 +45,7 @@ pub fn build(b: *std.Build) void {
 
         const exe = b.addExecutable(.{
             .name = t,
-            .root_source_file = .{ .path = "glibc_runtime_check.zig" },
+            .root_source_file = b.path("glibc_runtime_check.zig"),
             .target = target,
         });
         exe.linkLibC();
diff --git a/test/link/interdependent_static_c_libs/build.zig b/test/link/interdependent_static_c_libs/build.zig
index 01ed218cce..7b84235b0c 100644
--- a/test/link/interdependent_static_c_libs/build.zig
+++ b/test/link/interdependent_static_c_libs/build.zig
@@ -16,24 +16,24 @@ fn add(b: *std.Build, test_step: *std.Build.Step, optimize: std.builtin.Optimize
         .optimize = optimize,
         .target = b.host,
     });
-    lib_a.addCSourceFile(.{ .file = .{ .path = "a.c" }, .flags = &[_][]const u8{} });
-    lib_a.addIncludePath(.{ .path = "." });
+    lib_a.addCSourceFile(.{ .file = b.path("a.c"), .flags = &[_][]const u8{} });
+    lib_a.addIncludePath(b.path("."));
 
     const lib_b = b.addStaticLibrary(.{
         .name = "b",
         .optimize = optimize,
         .target = b.host,
     });
-    lib_b.addCSourceFile(.{ .file = .{ .path = "b.c" }, .flags = &[_][]const u8{} });
-    lib_b.addIncludePath(.{ .path = "." });
+    lib_b.addCSourceFile(.{ .file = b.path("b.c"), .flags = &[_][]const u8{} });
+    lib_b.addIncludePath(b.path("."));
 
     const test_exe = b.addTest(.{
-        .root_source_file = .{ .path = "main.zig" },
+        .root_source_file = b.path("main.zig"),
         .optimize = optimize,
     });
     test_exe.linkLibrary(lib_a);
     test_exe.linkLibrary(lib_b);
-    test_exe.addIncludePath(.{ .path = "." });
+    test_exe.addIncludePath(b.path("."));
 
     test_step.dependOn(&b.addRunArtifact(test_exe).step);
 }
diff --git a/test/link/macho.zig b/test/link/macho.zig
index 9e91e14da3..4fc6f1b5f1 100644
--- a/test/link/macho.zig
+++ b/test/link/macho.zig
@@ -836,9 +836,9 @@ fn testLinkDirectlyCppTbd(b: *Build, opts: Options) *Step {
         ,
         .cpp_source_flags = &.{ "-nostdlib++", "-nostdinc++" },
     });
-    exe.root_module.addSystemIncludePath(.{ .path = b.pathJoin(&.{ sdk, "/usr/include" }) });
-    exe.root_module.addIncludePath(.{ .path = b.pathJoin(&.{ sdk, "/usr/include/c++/v1" }) });
-    exe.root_module.addObjectFile(.{ .path = b.pathJoin(&.{ sdk, "/usr/lib/libc++.tbd" }) });
+    exe.root_module.addSystemIncludePath(b.path(b.pathJoin(&.{ sdk, "/usr/include" })));
+    exe.root_module.addIncludePath(b.path(b.pathJoin(&.{ sdk, "/usr/include/c++/v1" })));
+    exe.root_module.addObjectFile(b.path(b.pathJoin(&.{ sdk, "/usr/lib/libc++.tbd" })));
 
     const check = exe.checkObject();
     check.checkInSymtab();
diff --git a/test/link/static_libs_from_object_files/build.zig b/test/link/static_libs_from_object_files/build.zig
index d0ea78bbd6..dd679e7ef8 100644
--- a/test/link/static_libs_from_object_files/build.zig
+++ b/test/link/static_libs_from_object_files/build.zig
@@ -57,7 +57,7 @@ fn add(b: *Build, test_step: *Step, files: []const LazyPath, optimize: std.built
     {
         const exe = b.addExecutable(.{
             .name = "test1",
-            .root_source_file = .{ .path = "main.zig" },
+            .root_source_file = b.path("main.zig"),
             .optimize = optimize,
             .target = b.host,
         });
@@ -93,7 +93,7 @@ fn add(b: *Build, test_step: *Step, files: []const LazyPath, optimize: std.built
 
         const exe = b.addExecutable(.{
             .name = "test2",
-            .root_source_file = .{ .path = "main.zig" },
+            .root_source_file = b.path("main.zig"),
             .target = b.host,
             .optimize = optimize,
         });
@@ -134,7 +134,7 @@ fn add(b: *Build, test_step: *Step, files: []const LazyPath, optimize: std.built
 
         const exe = b.addExecutable(.{
             .name = "test3",
-            .root_source_file = .{ .path = "main.zig" },
+            .root_source_file = b.path("main.zig"),
             .target = b.host,
             .optimize = optimize,
         });
diff --git a/test/link/wasm/archive/build.zig b/test/link/wasm/archive/build.zig
index cd91feae65..34c5818ad8 100644
--- a/test/link/wasm/archive/build.zig
+++ b/test/link/wasm/archive/build.zig
@@ -17,7 +17,7 @@ fn add(b: *std.Build, test_step: *std.Build.Step, optimize: std.builtin.Optimize
     // and therefore link with its archive file.
     const lib = b.addExecutable(.{
         .name = "main",
-        .root_source_file = .{ .path = "main.zig" },
+        .root_source_file = b.path("main.zig"),
         .optimize = optimize,
         .target = b.resolveTargetQuery(.{ .cpu_arch = .wasm32, .os_tag = .freestanding }),
         .strip = false,
diff --git a/test/link/wasm/basic-features/build.zig b/test/link/wasm/basic-features/build.zig
index 6f9e82d09d..87355a5c12 100644
--- a/test/link/wasm/basic-features/build.zig
+++ b/test/link/wasm/basic-features/build.zig
@@ -6,7 +6,7 @@ pub fn build(b: *std.Build) void {
     // Library with explicitly set cpu features
     const lib = b.addExecutable(.{
         .name = "lib",
-        .root_source_file = .{ .path = "main.zig" },
+        .root_source_file = b.path("main.zig"),
         .optimize = .Debug,
         .target = b.resolveTargetQuery(.{
             .cpu_arch = .wasm32,
diff --git a/test/link/wasm/bss/build.zig b/test/link/wasm/bss/build.zig
index 3a1592f394..dc7d1bae4b 100644
--- a/test/link/wasm/bss/build.zig
+++ b/test/link/wasm/bss/build.zig
@@ -16,7 +16,7 @@ fn add(b: *std.Build, test_step: *std.Build.Step, optimize_mode: std.builtin.Opt
     {
         const lib = b.addExecutable(.{
             .name = "lib",
-            .root_source_file = .{ .path = "lib.zig" },
+            .root_source_file = b.path("lib.zig"),
             .target = b.resolveTargetQuery(.{ .cpu_arch = .wasm32, .os_tag = .freestanding }),
             .optimize = optimize_mode,
             .strip = false,
@@ -64,7 +64,7 @@ fn add(b: *std.Build, test_step: *std.Build.Step, optimize_mode: std.builtin.Opt
     {
         const lib = b.addExecutable(.{
             .name = "lib",
-            .root_source_file = .{ .path = "lib2.zig" },
+            .root_source_file = b.path("lib2.zig"),
             .target = b.resolveTargetQuery(.{ .cpu_arch = .wasm32, .os_tag = .freestanding }),
             .optimize = optimize_mode,
             .strip = false,
diff --git a/test/link/wasm/export-data/build.zig b/test/link/wasm/export-data/build.zig
index 05b2ca161b..7e3c5e5841 100644
--- a/test/link/wasm/export-data/build.zig
+++ b/test/link/wasm/export-data/build.zig
@@ -11,7 +11,7 @@ pub fn build(b: *std.Build) void {
 
     const lib = b.addExecutable(.{
         .name = "lib",
-        .root_source_file = .{ .path = "lib.zig" },
+        .root_source_file = b.path("lib.zig"),
         .optimize = .ReleaseSafe, // to make the output deterministic in address positions
         .target = b.resolveTargetQuery(.{ .cpu_arch = .wasm32, .os_tag = .freestanding }),
     });
diff --git a/test/link/wasm/export/build.zig b/test/link/wasm/export/build.zig
index ab2893ce3c..368826843a 100644
--- a/test/link/wasm/export/build.zig
+++ b/test/link/wasm/export/build.zig
@@ -15,7 +15,7 @@ pub fn build(b: *std.Build) void {
 fn add(b: *std.Build, test_step: *std.Build.Step, optimize: std.builtin.OptimizeMode) void {
     const no_export = b.addExecutable(.{
         .name = "no-export",
-        .root_source_file = .{ .path = "main.zig" },
+        .root_source_file = b.path("main.zig"),
         .optimize = optimize,
         .target = b.resolveTargetQuery(.{ .cpu_arch = .wasm32, .os_tag = .freestanding }),
     });
@@ -25,7 +25,7 @@ fn add(b: *std.Build, test_step: *std.Build.Step, optimize: std.builtin.Optimize
 
     const dynamic_export = b.addExecutable(.{
         .name = "dynamic",
-        .root_source_file = .{ .path = "main.zig" },
+        .root_source_file = b.path("main.zig"),
         .optimize = optimize,
         .target = b.resolveTargetQuery(.{ .cpu_arch = .wasm32, .os_tag = .freestanding }),
     });
@@ -36,7 +36,7 @@ fn add(b: *std.Build, test_step: *std.Build.Step, optimize: std.builtin.Optimize
 
     const force_export = b.addExecutable(.{
         .name = "force",
-        .root_source_file = .{ .path = "main.zig" },
+        .root_source_file = b.path("main.zig"),
         .optimize = optimize,
         .target = b.resolveTargetQuery(.{ .cpu_arch = .wasm32, .os_tag = .freestanding }),
     });
diff --git a/test/link/wasm/extern-mangle/build.zig b/test/link/wasm/extern-mangle/build.zig
index 41a00eefc9..5a4cbc1cda 100644
--- a/test/link/wasm/extern-mangle/build.zig
+++ b/test/link/wasm/extern-mangle/build.zig
@@ -13,7 +13,7 @@ pub fn build(b: *std.Build) void {
 fn add(b: *std.Build, test_step: *std.Build.Step, optimize: std.builtin.OptimizeMode) void {
     const lib = b.addExecutable(.{
         .name = "lib",
-        .root_source_file = .{ .path = "lib.zig" },
+        .root_source_file = b.path("lib.zig"),
         .target = b.resolveTargetQuery(.{ .cpu_arch = .wasm32, .os_tag = .freestanding }),
         .optimize = optimize,
     });
diff --git a/test/link/wasm/extern/build.zig b/test/link/wasm/extern/build.zig
index baa2b6d61e..77dcbc47c5 100644
--- a/test/link/wasm/extern/build.zig
+++ b/test/link/wasm/extern/build.zig
@@ -15,11 +15,11 @@ pub fn build(b: *std.Build) void {
 fn add(b: *std.Build, test_step: *std.Build.Step, optimize: std.builtin.OptimizeMode) void {
     const exe = b.addExecutable(.{
         .name = "extern",
-        .root_source_file = .{ .path = "main.zig" },
+        .root_source_file = b.path("main.zig"),
         .optimize = optimize,
         .target = b.resolveTargetQuery(.{ .cpu_arch = .wasm32, .os_tag = .wasi }),
     });
-    exe.addCSourceFile(.{ .file = .{ .path = "foo.c" }, .flags = &.{} });
+    exe.addCSourceFile(.{ .file = b.path("foo.c"), .flags = &.{} });
     exe.use_llvm = false;
     exe.use_lld = false;
 
diff --git a/test/link/wasm/function-table/build.zig b/test/link/wasm/function-table/build.zig
index aca66e4f71..3042ddf5d5 100644
--- a/test/link/wasm/function-table/build.zig
+++ b/test/link/wasm/function-table/build.zig
@@ -15,7 +15,7 @@ pub fn build(b: *std.Build) void {
 fn add(b: *std.Build, test_step: *std.Build.Step, optimize: std.builtin.OptimizeMode) void {
     const import_table = b.addExecutable(.{
         .name = "import_table",
-        .root_source_file = .{ .path = "lib.zig" },
+        .root_source_file = b.path("lib.zig"),
         .target = b.resolveTargetQuery(.{ .cpu_arch = .wasm32, .os_tag = .freestanding }),
         .optimize = optimize,
     });
@@ -27,7 +27,7 @@ fn add(b: *std.Build, test_step: *std.Build.Step, optimize: std.builtin.Optimize
 
     const export_table = b.addExecutable(.{
         .name = "export_table",
-        .root_source_file = .{ .path = "lib.zig" },
+        .root_source_file = b.path("lib.zig"),
         .target = b.resolveTargetQuery(.{ .cpu_arch = .wasm32, .os_tag = .freestanding }),
         .optimize = optimize,
     });
@@ -39,7 +39,7 @@ fn add(b: *std.Build, test_step: *std.Build.Step, optimize: std.builtin.Optimize
 
     const regular_table = b.addExecutable(.{
         .name = "regular_table",
-        .root_source_file = .{ .path = "lib.zig" },
+        .root_source_file = b.path("lib.zig"),
         .target = b.resolveTargetQuery(.{ .cpu_arch = .wasm32, .os_tag = .freestanding }),
         .optimize = optimize,
     });
diff --git a/test/link/wasm/infer-features/build.zig b/test/link/wasm/infer-features/build.zig
index e3fe860f54..e72e3934f7 100644
--- a/test/link/wasm/infer-features/build.zig
+++ b/test/link/wasm/infer-features/build.zig
@@ -13,13 +13,13 @@ pub fn build(b: *std.Build) void {
             .os_tag = .freestanding,
         }),
     });
-    c_obj.addCSourceFile(.{ .file = .{ .path = "foo.c" }, .flags = &.{} });
+    c_obj.addCSourceFile(.{ .file = b.path("foo.c"), .flags = &.{} });
 
     // Wasm library that doesn't have any features specified. This will
     // infer its featureset from other linked object files.
     const lib = b.addExecutable(.{
         .name = "lib",
-        .root_source_file = .{ .path = "main.zig" },
+        .root_source_file = b.path("main.zig"),
         .optimize = .Debug,
         .target = b.resolveTargetQuery(.{
             .cpu_arch = .wasm32,
diff --git a/test/link/wasm/producers/build.zig b/test/link/wasm/producers/build.zig
index 4fb777e123..2dae6e3f9b 100644
--- a/test/link/wasm/producers/build.zig
+++ b/test/link/wasm/producers/build.zig
@@ -16,7 +16,7 @@ pub fn build(b: *std.Build) void {
 fn add(b: *std.Build, test_step: *std.Build.Step, optimize: std.builtin.OptimizeMode) void {
     const lib = b.addExecutable(.{
         .name = "lib",
-        .root_source_file = .{ .path = "lib.zig" },
+        .root_source_file = b.path("lib.zig"),
         .target = b.resolveTargetQuery(.{ .cpu_arch = .wasm32, .os_tag = .freestanding }),
         .optimize = optimize,
         .strip = false,
diff --git a/test/link/wasm/segments/build.zig b/test/link/wasm/segments/build.zig
index 86073ff977..3c8bac3f07 100644
--- a/test/link/wasm/segments/build.zig
+++ b/test/link/wasm/segments/build.zig
@@ -15,7 +15,7 @@ pub fn build(b: *std.Build) void {
 fn add(b: *std.Build, test_step: *std.Build.Step, optimize: std.builtin.OptimizeMode) void {
     const lib = b.addExecutable(.{
         .name = "lib",
-        .root_source_file = .{ .path = "lib.zig" },
+        .root_source_file = b.path("lib.zig"),
         .target = b.resolveTargetQuery(.{ .cpu_arch = .wasm32, .os_tag = .freestanding }),
         .optimize = optimize,
         .strip = false,
diff --git a/test/link/wasm/shared-memory/build.zig b/test/link/wasm/shared-memory/build.zig
index 0cad2560cb..7807a95a4f 100644
--- a/test/link/wasm/shared-memory/build.zig
+++ b/test/link/wasm/shared-memory/build.zig
@@ -13,7 +13,7 @@ pub fn build(b: *std.Build) void {
 fn add(b: *std.Build, test_step: *std.Build.Step, optimize_mode: std.builtin.OptimizeMode) void {
     const exe = b.addExecutable(.{
         .name = "lib",
-        .root_source_file = .{ .path = "lib.zig" },
+        .root_source_file = b.path("lib.zig"),
         .target = b.resolveTargetQuery(.{
             .cpu_arch = .wasm32,
             .cpu_model = .{ .explicit = &std.Target.wasm.cpu.mvp },
diff --git a/test/link/wasm/stack_pointer/build.zig b/test/link/wasm/stack_pointer/build.zig
index e95c27827e..e42e362880 100644
--- a/test/link/wasm/stack_pointer/build.zig
+++ b/test/link/wasm/stack_pointer/build.zig
@@ -15,7 +15,7 @@ pub fn build(b: *std.Build) void {
 fn add(b: *std.Build, test_step: *std.Build.Step, optimize: std.builtin.OptimizeMode) void {
     const lib = b.addExecutable(.{
         .name = "lib",
-        .root_source_file = .{ .path = "lib.zig" },
+        .root_source_file = b.path("lib.zig"),
         .target = b.resolveTargetQuery(.{ .cpu_arch = .wasm32, .os_tag = .freestanding }),
         .optimize = optimize,
         .strip = false,
diff --git a/test/link/wasm/type/build.zig b/test/link/wasm/type/build.zig
index b62886c74e..46b80dbfe5 100644
--- a/test/link/wasm/type/build.zig
+++ b/test/link/wasm/type/build.zig
@@ -15,7 +15,7 @@ pub fn build(b: *std.Build) void {
 fn add(b: *std.Build, test_step: *std.Build.Step, optimize: std.builtin.OptimizeMode) void {
     const exe = b.addExecutable(.{
         .name = "lib",
-        .root_source_file = .{ .path = "lib.zig" },
+        .root_source_file = b.path("lib.zig"),
         .target = b.resolveTargetQuery(.{ .cpu_arch = .wasm32, .os_tag = .freestanding }),
         .optimize = optimize,
         .strip = false,
diff --git a/test/standalone/build.zig b/test/standalone/build.zig
index 673a52cedd..b2575bc83e 100644
--- a/test/standalone/build.zig
+++ b/test/standalone/build.zig
@@ -44,7 +44,7 @@ pub fn build(b: *std.Build) void {
     }) |tool_src_path| {
         const tool = b.addTest(.{
             .name = std.fs.path.stem(tool_src_path),
-            .root_source_file = .{ .path = tool_src_path },
+            .root_source_file = b.path(tool_src_path),
             .optimize = .Debug,
             .target = tools_target,
         });
diff --git a/test/standalone/c_compiler/build.zig b/test/standalone/c_compiler/build.zig
index 0550ad8cee..a3c842d8d5 100644
--- a/test/standalone/c_compiler/build.zig
+++ b/test/standalone/c_compiler/build.zig
@@ -30,7 +30,7 @@ fn add(
         .optimize = optimize,
         .target = target,
     });
-    exe_c.addCSourceFile(.{ .file = .{ .path = "test.c" }, .flags = &[0][]const u8{} });
+    exe_c.addCSourceFile(.{ .file = b.path("test.c"), .flags = &[0][]const u8{} });
     exe_c.linkLibC();
 
     const exe_cpp = b.addExecutable(.{
@@ -39,7 +39,7 @@ fn add(
         .target = target,
     });
     b.default_step.dependOn(&exe_cpp.step);
-    exe_cpp.addCSourceFile(.{ .file = .{ .path = "test.cpp" }, .flags = &[0][]const u8{} });
+    exe_cpp.addCSourceFile(.{ .file = b.path("test.cpp"), .flags = &[0][]const u8{} });
     exe_cpp.linkLibCpp();
 
     switch (target.result.os.tag) {
diff --git a/test/standalone/child_process/build.zig b/test/standalone/child_process/build.zig
index 89558c00e6..35317602b5 100644
--- a/test/standalone/child_process/build.zig
+++ b/test/standalone/child_process/build.zig
@@ -12,14 +12,14 @@ pub fn build(b: *std.Build) void {
 
     const child = b.addExecutable(.{
         .name = "child",
-        .root_source_file = .{ .path = "child.zig" },
+        .root_source_file = b.path("child.zig"),
         .optimize = optimize,
         .target = target,
     });
 
     const main = b.addExecutable(.{
         .name = "main",
-        .root_source_file = .{ .path = "main.zig" },
+        .root_source_file = b.path("main.zig"),
         .optimize = optimize,
         .target = target,
     });
diff --git a/test/standalone/cmakedefine/build.zig b/test/standalone/cmakedefine/build.zig
index 967aa7ecbd..d90441360f 100644
--- a/test/standalone/cmakedefine/build.zig
+++ b/test/standalone/cmakedefine/build.zig
@@ -4,7 +4,7 @@ const ConfigHeader = std.Build.Step.ConfigHeader;
 pub fn build(b: *std.Build) void {
     const config_header = b.addConfigHeader(
         .{
-            .style = .{ .cmake = .{ .path = "config.h.in" } },
+            .style = .{ .cmake = b.path("config.h.in") },
             .include_path = "config.h",
         },
         .{
@@ -28,7 +28,7 @@ pub fn build(b: *std.Build) void {
 
     const pwd_sh = b.addConfigHeader(
         .{
-            .style = .{ .cmake = .{ .path = "pwd.sh.in" } },
+            .style = .{ .cmake = b.path("pwd.sh.in") },
             .include_path = "pwd.sh",
         },
         .{ .DIR = "${PWD}" },
@@ -36,7 +36,7 @@ pub fn build(b: *std.Build) void {
 
     const sigil_header = b.addConfigHeader(
         .{
-            .style = .{ .cmake = .{ .path = "sigil.h.in" } },
+            .style = .{ .cmake = b.path("sigil.h.in") },
             .include_path = "sigil.h",
         },
         .{},
@@ -44,7 +44,7 @@ pub fn build(b: *std.Build) void {
 
     const stack_header = b.addConfigHeader(
         .{
-            .style = .{ .cmake = .{ .path = "stack.h.in" } },
+            .style = .{ .cmake = b.path("stack.h.in") },
             .include_path = "stack.h",
         },
         .{
@@ -57,7 +57,7 @@ pub fn build(b: *std.Build) void {
 
     const wrapper_header = b.addConfigHeader(
         .{
-            .style = .{ .cmake = .{ .path = "wrapper.h.in" } },
+            .style = .{ .cmake = b.path("wrapper.h.in") },
             .include_path = "wrapper.h",
         },
         .{
diff --git a/test/standalone/compiler_rt_panic/build.zig b/test/standalone/compiler_rt_panic/build.zig
index 8ad7732a93..93331a0282 100644
--- a/test/standalone/compiler_rt_panic/build.zig
+++ b/test/standalone/compiler_rt_panic/build.zig
@@ -17,7 +17,7 @@ pub fn build(b: *std.Build) void {
     });
     exe.linkLibC();
     exe.addCSourceFile(.{
-        .file = .{ .path = "main.c" },
+        .file = b.path("main.c"),
         .flags = &.{},
     });
     exe.link_gc_sections = false;
diff --git a/test/standalone/dep_diamond/build.zig b/test/standalone/dep_diamond/build.zig
index 9190b29594..b14503e349 100644
--- a/test/standalone/dep_diamond/build.zig
+++ b/test/standalone/dep_diamond/build.zig
@@ -7,21 +7,21 @@ pub fn build(b: *std.Build) void {
     const optimize: std.builtin.OptimizeMode = .Debug;
 
     const shared = b.createModule(.{
-        .root_source_file = .{ .path = "shared.zig" },
+        .root_source_file = b.path("shared.zig"),
     });
 
     const exe = b.addExecutable(.{
         .name = "test",
-        .root_source_file = .{ .path = "test.zig" },
+        .root_source_file = b.path("test.zig"),
         .target = b.host,
         .optimize = optimize,
     });
     exe.root_module.addAnonymousImport("foo", .{
-        .root_source_file = .{ .path = "foo.zig" },
+        .root_source_file = b.path("foo.zig"),
         .imports = &.{.{ .name = "shared", .module = shared }},
     });
     exe.root_module.addAnonymousImport("bar", .{
-        .root_source_file = .{ .path = "bar.zig" },
+        .root_source_file = b.path("bar.zig"),
         .imports = &.{.{ .name = "shared", .module = shared }},
     });
 
diff --git a/test/standalone/dep_mutually_recursive/build.zig b/test/standalone/dep_mutually_recursive/build.zig
index 04589d9b5b..804abbce18 100644
--- a/test/standalone/dep_mutually_recursive/build.zig
+++ b/test/standalone/dep_mutually_recursive/build.zig
@@ -7,17 +7,17 @@ pub fn build(b: *std.Build) void {
     const optimize: std.builtin.OptimizeMode = .Debug;
 
     const foo = b.createModule(.{
-        .root_source_file = .{ .path = "foo.zig" },
+        .root_source_file = b.path("foo.zig"),
     });
     const bar = b.createModule(.{
-        .root_source_file = .{ .path = "bar.zig" },
+        .root_source_file = b.path("bar.zig"),
     });
     foo.addImport("bar", bar);
     bar.addImport("foo", foo);
 
     const exe = b.addExecutable(.{
         .name = "test",
-        .root_source_file = .{ .path = "test.zig" },
+        .root_source_file = b.path("test.zig"),
         .target = b.host,
         .optimize = optimize,
     });
diff --git a/test/standalone/dep_recursive/build.zig b/test/standalone/dep_recursive/build.zig
index a6334e6a97..0ab732db4b 100644
--- a/test/standalone/dep_recursive/build.zig
+++ b/test/standalone/dep_recursive/build.zig
@@ -7,13 +7,13 @@ pub fn build(b: *std.Build) void {
     const optimize: std.builtin.OptimizeMode = .Debug;
 
     const foo = b.createModule(.{
-        .root_source_file = .{ .path = "foo.zig" },
+        .root_source_file = b.path("foo.zig"),
     });
     foo.addImport("foo", foo);
 
     const exe = b.addExecutable(.{
         .name = "test",
-        .root_source_file = .{ .path = "test.zig" },
+        .root_source_file = b.path("test.zig"),
         .target = b.host,
         .optimize = optimize,
     });
diff --git a/test/standalone/dep_shared_builtin/build.zig b/test/standalone/dep_shared_builtin/build.zig
index 33d53ad166..de84e2848d 100644
--- a/test/standalone/dep_shared_builtin/build.zig
+++ b/test/standalone/dep_shared_builtin/build.zig
@@ -8,12 +8,12 @@ pub fn build(b: *std.Build) void {
 
     const exe = b.addExecutable(.{
         .name = "test",
-        .root_source_file = .{ .path = "test.zig" },
+        .root_source_file = b.path("test.zig"),
         .target = b.host,
         .optimize = optimize,
     });
     exe.root_module.addAnonymousImport("foo", .{
-        .root_source_file = .{ .path = "foo.zig" },
+        .root_source_file = b.path("foo.zig"),
     });
 
     const run = b.addRunArtifact(exe);
diff --git a/test/standalone/dep_triangle/build.zig b/test/standalone/dep_triangle/build.zig
index b155554997..f9f29099d5 100644
--- a/test/standalone/dep_triangle/build.zig
+++ b/test/standalone/dep_triangle/build.zig
@@ -7,17 +7,17 @@ pub fn build(b: *std.Build) void {
     const optimize: std.builtin.OptimizeMode = .Debug;
 
     const shared = b.createModule(.{
-        .root_source_file = .{ .path = "shared.zig" },
+        .root_source_file = b.path("shared.zig"),
     });
 
     const exe = b.addExecutable(.{
         .name = "test",
-        .root_source_file = .{ .path = "test.zig" },
+        .root_source_file = b.path("test.zig"),
         .target = b.host,
         .optimize = optimize,
     });
     exe.root_module.addAnonymousImport("foo", .{
-        .root_source_file = .{ .path = "foo.zig" },
+        .root_source_file = b.path("foo.zig"),
         .imports = &.{.{ .name = "shared", .module = shared }},
     });
     exe.root_module.addImport("shared", shared);
diff --git a/test/standalone/depend_on_main_mod/build.zig b/test/standalone/depend_on_main_mod/build.zig
index bbef64693e..42e96e0aa0 100644
--- a/test/standalone/depend_on_main_mod/build.zig
+++ b/test/standalone/depend_on_main_mod/build.zig
@@ -9,13 +9,13 @@ pub fn build(b: *std.Build) void {
 
     const exe = b.addExecutable(.{
         .name = "depend_on_main_mod",
-        .root_source_file = .{ .path = "src/main.zig" },
+        .root_source_file = b.path("src/main.zig"),
         .target = target,
         .optimize = optimize,
     });
 
     const foo_module = b.addModule("foo", .{
-        .root_source_file = .{ .path = "src/foo.zig" },
+        .root_source_file = b.path("src/foo.zig"),
     });
 
     foo_module.addImport("root2", &exe.root_module);
diff --git a/test/standalone/dirname/build.zig b/test/standalone/dirname/build.zig
index 272ed54b38..279f66093a 100644
--- a/test/standalone/dirname/build.zig
+++ b/test/standalone/dirname/build.zig
@@ -6,9 +6,7 @@ pub fn build(b: *std.Build) void {
     const test_step = b.step("test", "Test it");
     b.default_step = test_step;
 
-    const touch_src = std.Build.LazyPath{
-        .path = "touch.zig",
-    };
+    const touch_src = b.path("touch.zig");
 
     const touch = b.addExecutable(.{
         .name = "touch",
@@ -20,14 +18,14 @@ pub fn build(b: *std.Build) void {
 
     const exists_in = b.addExecutable(.{
         .name = "exists_in",
-        .root_source_file = .{ .path = "exists_in.zig" },
+        .root_source_file = b.path("exists_in.zig"),
         .optimize = .Debug,
         .target = target,
     });
 
     const has_basename = b.addExecutable(.{
         .name = "has_basename",
-        .root_source_file = .{ .path = "has_basename.zig" },
+        .root_source_file = b.path("has_basename.zig"),
         .optimize = .Debug,
         .target = target,
     });
diff --git a/test/standalone/embed_generated_file/build.zig b/test/standalone/embed_generated_file/build.zig
index 3f67cdea54..f7430b7716 100644
--- a/test/standalone/embed_generated_file/build.zig
+++ b/test/standalone/embed_generated_file/build.zig
@@ -6,7 +6,7 @@ pub fn build(b: *std.Build) void {
 
     const bootloader = b.addExecutable(.{
         .name = "bootloader",
-        .root_source_file = .{ .path = "bootloader.zig" },
+        .root_source_file = b.path("bootloader.zig"),
         .target = b.resolveTargetQuery(.{
             .cpu_arch = .x86,
             .os_tag = .freestanding,
@@ -15,7 +15,7 @@ pub fn build(b: *std.Build) void {
     });
 
     const exe = b.addTest(.{
-        .root_source_file = .{ .path = "main.zig" },
+        .root_source_file = b.path("main.zig"),
         .optimize = .Debug,
     });
     exe.root_module.addAnonymousImport("bootloader.elf", .{
diff --git a/test/standalone/empty_env/build.zig b/test/standalone/empty_env/build.zig
index a2fe483128..b8e488f830 100644
--- a/test/standalone/empty_env/build.zig
+++ b/test/standalone/empty_env/build.zig
@@ -14,7 +14,7 @@ pub fn build(b: *std.Build) void {
 
     const main = b.addExecutable(.{
         .name = "main",
-        .root_source_file = .{ .path = "main.zig" },
+        .root_source_file = b.path("main.zig"),
         .target = b.host,
         .optimize = optimize,
     });
diff --git a/test/standalone/extern/build.zig b/test/standalone/extern/build.zig
index 401deb3dc4..878b92ab58 100644
--- a/test/standalone/extern/build.zig
+++ b/test/standalone/extern/build.zig
@@ -5,12 +5,12 @@ pub fn build(b: *std.Build) void {
 
     const obj = b.addObject(.{
         .name = "exports",
-        .root_source_file = .{ .path = "exports.zig" },
+        .root_source_file = b.path("exports.zig"),
         .target = b.host,
         .optimize = optimize,
     });
     const main = b.addTest(.{
-        .root_source_file = .{ .path = "main.zig" },
+        .root_source_file = b.path("main.zig"),
         .optimize = optimize,
     });
     main.addObject(obj);
diff --git a/test/standalone/global_linkage/build.zig b/test/standalone/global_linkage/build.zig
index 13b7fcfa0e..9edbc96129 100644
--- a/test/standalone/global_linkage/build.zig
+++ b/test/standalone/global_linkage/build.zig
@@ -9,20 +9,20 @@ pub fn build(b: *std.Build) void {
 
     const obj1 = b.addStaticLibrary(.{
         .name = "obj1",
-        .root_source_file = .{ .path = "obj1.zig" },
+        .root_source_file = b.path("obj1.zig"),
         .optimize = optimize,
         .target = target,
     });
 
     const obj2 = b.addStaticLibrary(.{
         .name = "obj2",
-        .root_source_file = .{ .path = "obj2.zig" },
+        .root_source_file = b.path("obj2.zig"),
         .optimize = optimize,
         .target = target,
     });
 
     const main = b.addTest(.{
-        .root_source_file = .{ .path = "main.zig" },
+        .root_source_file = b.path("main.zig"),
         .optimize = optimize,
     });
     main.linkLibrary(obj1);
diff --git a/test/standalone/install_headers/build.zig b/test/standalone/install_headers/build.zig
index 4c9bbb501a..889ee717d6 100644
--- a/test/standalone/install_headers/build.zig
+++ b/test/standalone/install_headers/build.zig
@@ -32,7 +32,7 @@ pub fn build(b: *std.Build) void {
         \\}
     ) });
 
-    libfoo.installHeadersDirectory(.{ .path = "include" }, "foo", .{ .exclude_extensions = &.{".ignore_me.h"} });
+    libfoo.installHeadersDirectory(b.path("include"), "foo", .{ .exclude_extensions = &.{".ignore_me.h"} });
     libfoo.installHeader(b.addWriteFiles().add("d.h",
         \\#define FOO_D "D"
         \\
@@ -78,7 +78,7 @@ pub fn build(b: *std.Build) void {
     });
     const check_exists = b.addExecutable(.{
         .name = "check_exists",
-        .root_source_file = .{ .path = "check_exists.zig" },
+        .root_source_file = b.path("check_exists.zig"),
         .target = b.resolveTargetQuery(.{}),
         .optimize = .Debug,
     });
diff --git a/test/standalone/install_raw_hex/build.zig b/test/standalone/install_raw_hex/build.zig
index d1ec55ab53..515528534e 100644
--- a/test/standalone/install_raw_hex/build.zig
+++ b/test/standalone/install_raw_hex/build.zig
@@ -16,7 +16,7 @@ pub fn build(b: *std.Build) void {
 
     const elf = b.addExecutable(.{
         .name = "zig-nrf52-blink.elf",
-        .root_source_file = .{ .path = "main.zig" },
+        .root_source_file = b.path("main.zig"),
         .target = target,
         .optimize = optimize,
     });
diff --git a/test/standalone/ios/build.zig b/test/standalone/ios/build.zig
index 356f12a3d9..daabe8990d 100644
--- a/test/standalone/ios/build.zig
+++ b/test/standalone/ios/build.zig
@@ -21,10 +21,10 @@ pub fn build(b: *std.Build) void {
         .optimize = optimize,
         .target = target,
     });
-    exe.addCSourceFile(.{ .file = .{ .path = "main.m" }, .flags = &.{} });
-    exe.addSystemIncludePath(.{ .path = b.pathJoin(&.{ sdk, "/usr/include" }) });
-    exe.addSystemFrameworkPath(.{ .path = b.pathJoin(&.{ sdk, "/System/Library/Frameworks" }) });
-    exe.addLibraryPath(.{ .path = b.pathJoin(&.{ sdk, "/usr/lib" }) });
+    exe.addCSourceFile(.{ .file = b.path("main.m"), .flags = &.{} });
+    exe.addSystemIncludePath(b.path(b.pathJoin(&.{ sdk, "/usr/include" })));
+    exe.addSystemFrameworkPath(b.path(b.pathJoin(&.{ sdk, "/System/Library/Frameworks" })));
+    exe.addLibraryPath(b.path(b.pathJoin(&.{ sdk, "/usr/lib" })));
     exe.linkFramework("Foundation");
     exe.linkFramework("UIKit");
     exe.linkLibC();
diff --git a/test/standalone/issue_11595/build.zig b/test/standalone/issue_11595/build.zig
index c591b3058b..b6e17f1eef 100644
--- a/test/standalone/issue_11595/build.zig
+++ b/test/standalone/issue_11595/build.zig
@@ -15,7 +15,7 @@ pub fn build(b: *std.Build) void {
 
     const exe = b.addExecutable(.{
         .name = "zigtest",
-        .root_source_file = .{ .path = "main.zig" },
+        .root_source_file = b.path("main.zig"),
         .target = target,
         .optimize = optimize,
     });
diff --git a/test/standalone/issue_12706/build.zig b/test/standalone/issue_12706/build.zig
index 9a80dae256..528eba89d3 100644
--- a/test/standalone/issue_12706/build.zig
+++ b/test/standalone/issue_12706/build.zig
@@ -10,7 +10,7 @@ pub fn build(b: *std.Build) void {
 
     const exe = b.addExecutable(.{
         .name = "main",
-        .root_source_file = .{ .path = "main.zig" },
+        .root_source_file = b.path("main.zig"),
         .optimize = optimize,
         .target = target,
     });
diff --git a/test/standalone/issue_339/build.zig b/test/standalone/issue_339/build.zig
index 5dc686a779..6327c5ed97 100644
--- a/test/standalone/issue_339/build.zig
+++ b/test/standalone/issue_339/build.zig
@@ -9,7 +9,7 @@ pub fn build(b: *std.Build) void {
 
     const obj = b.addObject(.{
         .name = "test",
-        .root_source_file = .{ .path = "test.zig" },
+        .root_source_file = b.path("test.zig"),
         .target = target,
         .optimize = optimize,
     });
diff --git a/test/standalone/issue_794/build.zig b/test/standalone/issue_794/build.zig
index eb05aa9b4f..d42ff1f304 100644
--- a/test/standalone/issue_794/build.zig
+++ b/test/standalone/issue_794/build.zig
@@ -5,9 +5,9 @@ pub fn build(b: *std.Build) void {
     b.default_step = test_step;
 
     const test_artifact = b.addTest(.{
-        .root_source_file = .{ .path = "main.zig" },
+        .root_source_file = b.path("main.zig"),
     });
-    test_artifact.addIncludePath(.{ .path = "a_directory" });
+    test_artifact.addIncludePath(b.path("a_directory"));
 
     // TODO: actually check the output
     _ = test_artifact.getEmittedBin();
diff --git a/test/standalone/issue_8550/build.zig b/test/standalone/issue_8550/build.zig
index 557019cfdc..a0dea518d6 100644
--- a/test/standalone/issue_8550/build.zig
+++ b/test/standalone/issue_8550/build.zig
@@ -15,12 +15,12 @@ pub fn build(b: *std.Build) !void {
 
     const kernel = b.addExecutable(.{
         .name = "kernel",
-        .root_source_file = .{ .path = "./main.zig" },
+        .root_source_file = b.path("./main.zig"),
         .optimize = optimize,
         .target = target,
     });
-    kernel.addObjectFile(.{ .path = "./boot.S" });
-    kernel.setLinkerScript(.{ .path = "./linker.ld" });
+    kernel.addObjectFile(b.path("./boot.S"));
+    kernel.setLinkerScript(b.path("./linker.ld"));
     b.installArtifact(kernel);
 
     test_step.dependOn(&kernel.step);
diff --git a/test/standalone/load_dynamic_library/build.zig b/test/standalone/load_dynamic_library/build.zig
index 140f276ebe..27f8f6de7c 100644
--- a/test/standalone/load_dynamic_library/build.zig
+++ b/test/standalone/load_dynamic_library/build.zig
@@ -17,7 +17,7 @@ pub fn build(b: *std.Build) void {
 
     const lib = b.addSharedLibrary(.{
         .name = "add",
-        .root_source_file = .{ .path = "add.zig" },
+        .root_source_file = b.path("add.zig"),
         .version = .{ .major = 1, .minor = 0, .patch = 0 },
         .optimize = optimize,
         .target = target,
@@ -25,7 +25,7 @@ pub fn build(b: *std.Build) void {
 
     const main = b.addExecutable(.{
         .name = "main",
-        .root_source_file = .{ .path = "main.zig" },
+        .root_source_file = b.path("main.zig"),
         .optimize = optimize,
         .target = target,
     });
diff --git a/test/standalone/mix_c_files/build.zig b/test/standalone/mix_c_files/build.zig
index e91f87e132..779d4d030e 100644
--- a/test/standalone/mix_c_files/build.zig
+++ b/test/standalone/mix_c_files/build.zig
@@ -18,11 +18,11 @@ pub fn build(b: *std.Build) void {
 fn add(b: *std.Build, test_step: *std.Build.Step, optimize: std.builtin.OptimizeMode) void {
     const exe = b.addExecutable(.{
         .name = "test",
-        .root_source_file = .{ .path = "main.zig" },
+        .root_source_file = b.path("main.zig"),
         .target = b.host,
         .optimize = optimize,
     });
-    exe.addCSourceFile(.{ .file = .{ .path = "test.c" }, .flags = &[_][]const u8{"-std=c11"} });
+    exe.addCSourceFile(.{ .file = b.path("test.c"), .flags = &[_][]const u8{"-std=c11"} });
     exe.linkLibC();
 
     const run_cmd = b.addRunArtifact(exe);
diff --git a/test/standalone/mix_o_files/build.zig b/test/standalone/mix_o_files/build.zig
index aa648145a8..dd8ef9a4c4 100644
--- a/test/standalone/mix_o_files/build.zig
+++ b/test/standalone/mix_o_files/build.zig
@@ -9,7 +9,7 @@ pub fn build(b: *std.Build) void {
 
     const obj = b.addObject(.{
         .name = "base64",
-        .root_source_file = .{ .path = "base64.zig" },
+        .root_source_file = b.path("base64.zig"),
         .optimize = optimize,
         .target = target,
     });
@@ -20,7 +20,7 @@ pub fn build(b: *std.Build) void {
         .target = target,
     });
     exe.addCSourceFile(.{
-        .file = .{ .path = "test.c" },
+        .file = b.path("test.c"),
         .flags = &[_][]const u8{"-std=c99"},
     });
     exe.addObject(obj);
diff --git a/test/standalone/pie/build.zig b/test/standalone/pie/build.zig
index 2e9f99ff4b..25ed330abc 100644
--- a/test/standalone/pie/build.zig
+++ b/test/standalone/pie/build.zig
@@ -11,7 +11,7 @@ pub fn build(b: *std.Build) void {
     });
 
     const main = b.addTest(.{
-        .root_source_file = .{ .path = "main.zig" },
+        .root_source_file = b.path("main.zig"),
         .optimize = optimize,
         .target = target,
     });
diff --git a/test/standalone/pkg_import/build.zig b/test/standalone/pkg_import/build.zig
index 207f924f9b..4bef1d756f 100644
--- a/test/standalone/pkg_import/build.zig
+++ b/test/standalone/pkg_import/build.zig
@@ -8,11 +8,11 @@ pub fn build(b: *std.Build) void {
 
     const exe = b.addExecutable(.{
         .name = "test",
-        .root_source_file = .{ .path = "test.zig" },
+        .root_source_file = b.path("test.zig"),
         .optimize = optimize,
         .target = b.host,
     });
-    exe.root_module.addAnonymousImport("my_pkg", .{ .root_source_file = .{ .path = "pkg.zig" } });
+    exe.root_module.addAnonymousImport("my_pkg", .{ .root_source_file = b.path("pkg.zig") });
 
     const run = b.addRunArtifact(exe);
     test_step.dependOn(&run.step);
diff --git a/test/standalone/self_exe_symlink/build.zig b/test/standalone/self_exe_symlink/build.zig
index d61d502574..77799cfa00 100644
--- a/test/standalone/self_exe_symlink/build.zig
+++ b/test/standalone/self_exe_symlink/build.zig
@@ -15,14 +15,14 @@ pub fn build(b: *std.Build) void {
 
     const main = b.addExecutable(.{
         .name = "main",
-        .root_source_file = .{ .path = "main.zig" },
+        .root_source_file = b.path("main.zig"),
         .optimize = optimize,
         .target = target,
     });
 
     const create_symlink_exe = b.addExecutable(.{
         .name = "create-symlink",
-        .root_source_file = .{ .path = "create-symlink.zig" },
+        .root_source_file = b.path("create-symlink.zig"),
         .optimize = optimize,
         .target = target,
     });
diff --git a/test/standalone/shared_library/build.zig b/test/standalone/shared_library/build.zig
index 4d409295e8..2765a2ec07 100644
--- a/test/standalone/shared_library/build.zig
+++ b/test/standalone/shared_library/build.zig
@@ -13,7 +13,7 @@ pub fn build(b: *std.Build) void {
     const target = b.host;
     const lib = b.addSharedLibrary(.{
         .name = "mathtest",
-        .root_source_file = .{ .path = "mathtest.zig" },
+        .root_source_file = b.path("mathtest.zig"),
         .version = .{ .major = 1, .minor = 0, .patch = 0 },
         .target = target,
         .optimize = optimize,
@@ -25,7 +25,7 @@ pub fn build(b: *std.Build) void {
         .optimize = optimize,
     });
     exe.addCSourceFile(.{
-        .file = .{ .path = "test.c" },
+        .file = b.path("test.c"),
         .flags = &[_][]const u8{"-std=c99"},
     });
     exe.linkLibrary(lib);
diff --git a/test/standalone/simple/build.zig b/test/standalone/simple/build.zig
index 8bcfbe0fca..c623780fa5 100644
--- a/test/standalone/simple/build.zig
+++ b/test/standalone/simple/build.zig
@@ -42,7 +42,7 @@ pub fn build(b: *std.Build) void {
             if (case.is_exe) {
                 const exe = b.addExecutable(.{
                     .name = std.fs.path.stem(case.src_path),
-                    .root_source_file = .{ .path = case.src_path },
+                    .root_source_file = b.path(case.src_path),
                     .optimize = optimize,
                     .target = resolved_target,
                 });
@@ -56,7 +56,7 @@ pub fn build(b: *std.Build) void {
             if (case.is_test) {
                 const exe = b.addTest(.{
                     .name = std.fs.path.stem(case.src_path),
-                    .root_source_file = .{ .path = case.src_path },
+                    .root_source_file = b.path(case.src_path),
                     .optimize = optimize,
                     .target = resolved_target,
                 });
diff --git a/test/standalone/stack_iterator/build.zig b/test/standalone/stack_iterator/build.zig
index 463a533ac4..7041aaa0b8 100644
--- a/test/standalone/stack_iterator/build.zig
+++ b/test/standalone/stack_iterator/build.zig
@@ -19,7 +19,7 @@ pub fn build(b: *std.Build) void {
     {
         const exe = b.addExecutable(.{
             .name = "unwind_fp",
-            .root_source_file = .{ .path = "unwind.zig" },
+            .root_source_file = b.path("unwind.zig"),
             .target = target,
             .optimize = optimize,
             .unwind_tables = if (target.result.isDarwin()) true else null,
@@ -42,7 +42,7 @@ pub fn build(b: *std.Build) void {
     {
         const exe = b.addExecutable(.{
             .name = "unwind_nofp",
-            .root_source_file = .{ .path = "unwind.zig" },
+            .root_source_file = b.path("unwind.zig"),
             .target = target,
             .optimize = optimize,
             .unwind_tables = true,
@@ -74,14 +74,14 @@ pub fn build(b: *std.Build) void {
             c_shared_lib.defineCMacro("LIB_API", "__declspec(dllexport)");
 
         c_shared_lib.addCSourceFile(.{
-            .file = .{ .path = "shared_lib.c" },
+            .file = b.path("shared_lib.c"),
             .flags = &.{"-fomit-frame-pointer"},
         });
         c_shared_lib.linkLibC();
 
         const exe = b.addExecutable(.{
             .name = "shared_lib_unwind",
-            .root_source_file = .{ .path = "shared_lib_unwind.zig" },
+            .root_source_file = b.path("shared_lib_unwind.zig"),
             .target = target,
             .optimize = optimize,
             .unwind_tables = if (target.result.isDarwin()) true else null,
diff --git a/test/standalone/static_c_lib/build.zig b/test/standalone/static_c_lib/build.zig
index 244107b0f1..c025aa9b39 100644
--- a/test/standalone/static_c_lib/build.zig
+++ b/test/standalone/static_c_lib/build.zig
@@ -11,15 +11,15 @@ pub fn build(b: *std.Build) void {
         .optimize = optimize,
         .target = b.host,
     });
-    foo.addCSourceFile(.{ .file = .{ .path = "foo.c" }, .flags = &[_][]const u8{} });
-    foo.addIncludePath(.{ .path = "." });
+    foo.addCSourceFile(.{ .file = b.path("foo.c"), .flags = &[_][]const u8{} });
+    foo.addIncludePath(b.path("."));
 
     const test_exe = b.addTest(.{
-        .root_source_file = .{ .path = "foo.zig" },
+        .root_source_file = b.path("foo.zig"),
         .optimize = optimize,
     });
     test_exe.linkLibrary(foo);
-    test_exe.addIncludePath(.{ .path = "." });
+    test_exe.addIncludePath(b.path("."));
 
     test_step.dependOn(&b.addRunArtifact(test_exe).step);
 }
diff --git a/test/standalone/strip_empty_loop/build.zig b/test/standalone/strip_empty_loop/build.zig
index 4875bd9128..aadfbd2fc0 100644
--- a/test/standalone/strip_empty_loop/build.zig
+++ b/test/standalone/strip_empty_loop/build.zig
@@ -9,7 +9,7 @@ pub fn build(b: *std.Build) void {
 
     const main = b.addExecutable(.{
         .name = "main",
-        .root_source_file = .{ .path = "main.zig" },
+        .root_source_file = b.path("main.zig"),
         .optimize = optimize,
         .target = target,
         .strip = true,
diff --git a/test/standalone/strip_struct_init/build.zig b/test/standalone/strip_struct_init/build.zig
index 2d903f973a..ef7960d130 100644
--- a/test/standalone/strip_struct_init/build.zig
+++ b/test/standalone/strip_struct_init/build.zig
@@ -7,7 +7,7 @@ pub fn build(b: *std.Build) void {
     const optimize: std.builtin.OptimizeMode = .Debug;
 
     const main = b.addTest(.{
-        .root_source_file = .{ .path = "main.zig" },
+        .root_source_file = b.path("main.zig"),
         .optimize = optimize,
         .strip = true,
     });
diff --git a/test/standalone/test_runner_module_imports/build.zig b/test/standalone/test_runner_module_imports/build.zig
index 57e4516077..cad3b05e08 100644
--- a/test/standalone/test_runner_module_imports/build.zig
+++ b/test/standalone/test_runner_module_imports/build.zig
@@ -2,13 +2,13 @@ const std = @import("std");
 
 pub fn build(b: *std.Build) void {
     const t = b.addTest(.{
-        .root_source_file = .{ .path = "src/main.zig" },
+        .root_source_file = b.path("src/main.zig"),
         .test_runner = b.path("test_runner/main.zig"),
     });
 
-    const module1 = b.createModule(.{ .root_source_file = .{ .path = "module1/main.zig" } });
+    const module1 = b.createModule(.{ .root_source_file = b.path("module1/main.zig") });
     const module2 = b.createModule(.{
-        .root_source_file = .{ .path = "module2/main.zig" },
+        .root_source_file = b.path("module2/main.zig"),
         .imports = &.{.{ .name = "module1", .module = module1 }},
     });
 
diff --git a/test/standalone/test_runner_path/build.zig b/test/standalone/test_runner_path/build.zig
index ea8982a0f1..48ca3c19db 100644
--- a/test/standalone/test_runner_path/build.zig
+++ b/test/standalone/test_runner_path/build.zig
@@ -7,7 +7,7 @@ pub fn build(b: *std.Build) void {
     b.default_step = test_step;
 
     const test_exe = b.addTest(.{
-        .root_source_file = .{ .path = "test.zig" },
+        .root_source_file = b.path("test.zig"),
     });
     test_exe.test_runner = b.path("test_runner.zig");
 
diff --git a/test/standalone/use_alias/build.zig b/test/standalone/use_alias/build.zig
index 0511cd3935..7ee501713c 100644
--- a/test/standalone/use_alias/build.zig
+++ b/test/standalone/use_alias/build.zig
@@ -7,10 +7,10 @@ pub fn build(b: *std.Build) void {
     const optimize: std.builtin.OptimizeMode = .Debug;
 
     const main = b.addTest(.{
-        .root_source_file = .{ .path = "main.zig" },
+        .root_source_file = b.path("main.zig"),
         .optimize = optimize,
     });
-    main.addIncludePath(.{ .path = "." });
+    main.addIncludePath(b.path("."));
 
     test_step.dependOn(&b.addRunArtifact(main).step);
 }
diff --git a/test/standalone/windows_entry_points/build.zig b/test/standalone/windows_entry_points/build.zig
index 25c4839147..c3d9c49940 100644
--- a/test/standalone/windows_entry_points/build.zig
+++ b/test/standalone/windows_entry_points/build.zig
@@ -17,7 +17,7 @@ pub fn build(b: *std.Build) void {
             .optimize = .Debug,
             .link_libc = true,
         });
-        exe.addCSourceFile(.{ .file = .{ .path = "main.c" } });
+        exe.addCSourceFile(.{ .file = b.path("main.c") });
 
         _ = exe.getEmittedBin();
         test_step.dependOn(&exe.step);
@@ -31,7 +31,7 @@ pub fn build(b: *std.Build) void {
             .link_libc = true,
         });
         exe.mingw_unicode_entry_point = true;
-        exe.addCSourceFile(.{ .file = .{ .path = "wmain.c" } });
+        exe.addCSourceFile(.{ .file = b.path("wmain.c") });
 
         _ = exe.getEmittedBin();
         test_step.dependOn(&exe.step);
@@ -45,7 +45,7 @@ pub fn build(b: *std.Build) void {
             .link_libc = true,
         });
         // Note: `exe.subsystem = .Windows;` is not necessary
-        exe.addCSourceFile(.{ .file = .{ .path = "winmain.c" } });
+        exe.addCSourceFile(.{ .file = b.path("winmain.c") });
 
         _ = exe.getEmittedBin();
         test_step.dependOn(&exe.step);
@@ -60,7 +60,7 @@ pub fn build(b: *std.Build) void {
         });
         exe.mingw_unicode_entry_point = true;
         // Note: `exe.subsystem = .Windows;` is not necessary
-        exe.addCSourceFile(.{ .file = .{ .path = "wwinmain.c" } });
+        exe.addCSourceFile(.{ .file = b.path("wwinmain.c") });
 
         _ = exe.getEmittedBin();
         test_step.dependOn(&exe.step);
diff --git a/test/standalone/windows_resources/build.zig b/test/standalone/windows_resources/build.zig
index 5111751571..6a72dee2a6 100644
--- a/test/standalone/windows_resources/build.zig
+++ b/test/standalone/windows_resources/build.zig
@@ -25,12 +25,12 @@ fn add(
 ) void {
     const exe = b.addExecutable(.{
         .name = "zig_resource_test",
-        .root_source_file = .{ .path = "main.zig" },
+        .root_source_file = b.path("main.zig"),
         .target = target,
         .optimize = .Debug,
     });
     exe.addWin32ResourceFile(.{
-        .file = .{ .path = "res/zig.rc" },
+        .file = b.path("res/zig.rc"),
         .flags = &.{"/c65001"}, // UTF-8 code page
     });
     exe.rc_includes = switch (rc_includes) {
diff --git a/test/standalone/zerolength_check/build.zig b/test/standalone/zerolength_check/build.zig
index dacfc841c1..8118c6e172 100644
--- a/test/standalone/zerolength_check/build.zig
+++ b/test/standalone/zerolength_check/build.zig
@@ -12,7 +12,7 @@ pub fn build(b: *std.Build) void {
 
 fn add(b: *std.Build, test_step: *std.Build.Step, optimize: std.builtin.OptimizeMode) void {
     const unit_tests = b.addTest(.{
-        .root_source_file = .{ .path = "src/main.zig" },
+        .root_source_file = b.path("src/main.zig"),
         .target = b.resolveTargetQuery(.{
             .os_tag = .wasi,
             .cpu_arch = .wasm32,
diff --git a/test/tests.zig b/test/tests.zig
index 286ac7e91c..5ab5268e31 100644
--- a/test/tests.zig
+++ b/test/tests.zig
@@ -641,7 +641,7 @@ pub fn addStackTraceTests(
 ) *Step {
     const check_exe = b.addExecutable(.{
         .name = "check-stack-trace",
-        .root_source_file = .{ .path = "test/src/check-stack-trace.zig" },
+        .root_source_file = b.path("test/src/check-stack-trace.zig"),
         .target = b.host,
         .optimize = .Debug,
     });
@@ -879,7 +879,7 @@ pub fn addCliTests(b: *std.Build) *Step {
         run6.step.dependOn(&write6.step);
 
         // TODO change this to an exact match
-        const check6 = b.addCheckFile(.{ .path = fmt6_path }, .{
+        const check6 = b.addCheckFile(.{ .cwd_relative = fmt6_path }, .{
             .expected_matches = &.{
                 "// no reason",
             },
@@ -1037,7 +1037,7 @@ pub fn addModuleTests(b: *std.Build, options: ModuleTestOptions) *Step {
             options.max_rss;
 
         const these_tests = b.addTest(.{
-            .root_source_file = .{ .path = options.root_src },
+            .root_source_file = b.path(options.root_src),
             .optimize = test_target.optimize_mode,
             .target = resolved_target,
             .max_rss = max_rss,
@@ -1046,7 +1046,7 @@ pub fn addModuleTests(b: *std.Build, options: ModuleTestOptions) *Step {
             .single_threaded = test_target.single_threaded,
             .use_llvm = test_target.use_llvm,
             .use_lld = test_target.use_lld,
-            .zig_lib_dir = .{ .path = "lib" },
+            .zig_lib_dir = b.path("lib"),
             .pic = test_target.pic,
             .strip = test_target.strip,
         });
@@ -1062,7 +1062,7 @@ pub fn addModuleTests(b: *std.Build, options: ModuleTestOptions) *Step {
         const use_lld = if (test_target.use_lld == false) "-no-lld" else "";
         const use_pic = if (test_target.pic == true) "-pic" else "";
 
-        for (options.include_paths) |include_path| these_tests.addIncludePath(.{ .path = include_path });
+        for (options.include_paths) |include_path| these_tests.addIncludePath(b.path(include_path));
 
         const qualified_name = b.fmt("{s}-{s}-{s}-{s}{s}{s}{s}{s}{s}", .{
             options.name,
@@ -1084,7 +1084,7 @@ pub fn addModuleTests(b: *std.Build, options: ModuleTestOptions) *Step {
                 .name = qualified_name,
                 .link_libc = test_target.link_libc,
                 .target = b.resolveTargetQuery(altered_query),
-                .zig_lib_dir = .{ .path = "lib" },
+                .zig_lib_dir = b.path("lib"),
             });
             compile_c.addCSourceFile(.{
                 .file = these_tests.getEmittedBin(),
@@ -1113,7 +1113,7 @@ pub fn addModuleTests(b: *std.Build, options: ModuleTestOptions) *Step {
                     "-Wno-absolute-value",
                 },
             });
-            compile_c.addIncludePath(.{ .path = "lib" }); // for zig.h
+            compile_c.addIncludePath(b.path("lib")); // for zig.h
             if (target.os.tag == .windows) {
                 if (true) {
                     // Unfortunately this requires about 8G of RAM for clang to compile
@@ -1189,7 +1189,7 @@ pub fn addCAbiTests(b: *std.Build, skip_non_native: bool, skip_release: bool) *S
                     if (c_abi_target.use_lld == false) "-no-lld" else "",
                     if (c_abi_target.pic == true) "-pic" else "",
                 }),
-                .root_source_file = .{ .path = "test/c_abi/main.zig" },
+                .root_source_file = b.path("test/c_abi/main.zig"),
                 .target = resolved_target,
                 .optimize = optimize_mode,
                 .link_libc = true,
@@ -1199,7 +1199,7 @@ pub fn addCAbiTests(b: *std.Build, skip_non_native: bool, skip_release: bool) *S
                 .strip = c_abi_target.strip,
             });
             test_step.addCSourceFile(.{
-                .file = .{ .path = "test/c_abi/cfuncs.c" },
+                .file = b.path("test/c_abi/cfuncs.c"),
                 .flags = &.{"-std=c99"},
             });
             for (c_abi_target.c_defines) |define| test_step.defineCMacro(define, null);