Fix macOS compilation error (v1.66)

fanninpm · fanninpm · commit 1b5133350b76 · 2022-12-17T13:12:12.000-05:00
diff --git a/vm/src/stdlib/os.rs b/vm/src/stdlib/os.rs
@@ -1523,7 +1523,8 @@ pub(super) mod _os {
             let tick_for_second = unsafe { libc::sysconf(libc::_SC_CLK_TCK) } as f64;
             let c = unsafe { libc::times(&mut t as *mut _) };
 
-            if c == -1 {
+            // XXX: The signedness of `clock_t` varies from platform to platform.
+            if c == (-1i8) as libc::clock_t {
                 return Err(vm.new_os_error("Fail to get times".to_string()));
             }
 

Original file line number	Diff line number	Diff line change
`@@ -1523,7 +1523,8 @@ pub(super) mod _os {`
`1523`	`1523`	`let tick_for_second = unsafe { libc::sysconf(libc::_SC_CLK_TCK) } as f64;`
`1524`	`1524`	`let c = unsafe { libc::times(&mut t as *mut _) };`
`1525`	`1525`
`1526`		`- if c == -1 {`
	`1526`	+ // XXX: The signedness of `clock_t` varies from platform to platform.
	`1527`	`+ if c == (-1i8) as libc::clock_t {`
`1527`	`1528`	`return Err(vm.new_os_error("Fail to get times".to_string()));`
`1528`	`1529`	`}`
`1529`	`1530`