fixed build: renamed exec to run

README.md

@@ -95,7 +95,8 @@ that if you update one, you may need to also update the other.
 
 ### Version Changes
 
-Version-0.11.0-dev.4246+71dfce31b
+Version-0.12.0-dev.1243
+* *2023-10-24* zig 0.12.0-dev.1243 - changes in `std.ChildProcess`: renamed exec to run - see[#5853](https://github.com/ziglang/zig/issues/5853)
 * *2023-06-26* zig 0.11.0-dev.4246 - changes in compile step (now it can be null)
 * *2023-06-26* zig 0.11.0-dev.3853 - removal of destination type from all cast builtins
 * *2023-06-20* zig 0.11.0-dev.3747 - `@enumToInt` is now `@intFromEnum` and `@intToFloat` is now `@floatFromInt`

build.zig

@@ -15,7 +15,7 @@ const print = std.debug.print;
 //     1) Getting Started
 //     2) Version Changes
 comptime {
-    const required_zig = "0.11.0-dev.4246";
+    const required_zig = "0.12.0-dev.1243";
     const current_zig = builtin.zig_version;
     const min_zig = std.SemanticVersion.parse(required_zig) catch unreachable;
     if (current_zig.order(min_zig) == .lt) {
@@ -288,7 +288,7 @@ const ZiglingStep = struct {
         // Allow up to 1 MB of stdout capture.
         const max_output_bytes = 1 * 1024 * 1024;
 
-        var result = Child.exec(.{
+        var result = Child.run(.{
             .allocator = b.allocator,
             .argv = &.{exe_path},
             .cwd = b.build_root.path.?,
@@ -306,7 +306,7 @@ const ZiglingStep = struct {
         }
     }
 
-    fn check_output(self: *ZiglingStep, result: Child.ExecResult) !void {
+    fn check_output(self: *ZiglingStep, result: Child.RunResult) !void {
         const b = self.step.owner;
 
         // Make sure it exited cleanly.
@@ -355,7 +355,7 @@ const ZiglingStep = struct {
         print("{s}PASSED:\n{s}{s}\n\n", .{ green_text, output, reset_text });
     }
 
-    fn check_test(self: *ZiglingStep, result: Child.ExecResult) !void {
+    fn check_test(self: *ZiglingStep, result: Child.RunResult) !void {
         switch (result.term) {
             .Exited => |code| {
                 if (code != 0) {