unix/mpthreadport: Ensure consistent type of PTHREAD_STACK_MIN.

pi-anl · dpgeorge · commit bc77b27badaa · 2025-07-24T13:29:36.000+10:00
It seems GCC 14 got stricter with warn/errs like -Wsign-compare and types a
"bare number" as a long int that can't be compared to a (unsigned) size_t.

Signed-off-by: Andrew Leech &lt;andrew.leech@planetinnovation.com.au&gt;
diff --git a/ports/unix/mpthreadport.c b/ports/unix/mpthreadport.c
@@ -250,8 +250,8 @@ mp_uint_t mp_thread_create(void *(*entry)(void *), void *arg, size_t *stack_size
     }
 
     // minimum stack size is set by pthreads
-    if (*stack_size < PTHREAD_STACK_MIN) {
-        *stack_size = PTHREAD_STACK_MIN;
+    if (*stack_size < (size_t)PTHREAD_STACK_MIN) {
+        *stack_size = (size_t)PTHREAD_STACK_MIN;
     }
 
     // ensure there is enough stack to include a stack-overflow margin

Original file line number	Diff line number	Diff line change
`@@ -250,8 +250,8 @@ mp_uint_t mp_thread_create(void (entry)(void ), void arg, size_t *stack_size`
`250`	`250`	`}`
`251`	`251`
`252`	`252`	`// minimum stack size is set by pthreads`
`253`		`- if (*stack_size < PTHREAD_STACK_MIN) {`
`254`		`- *stack_size = PTHREAD_STACK_MIN;`
	`253`	`+ if (*stack_size < (size_t)PTHREAD_STACK_MIN) {`
	`254`	`+ *stack_size = (size_t)PTHREAD_STACK_MIN;`
`255`	`255`	`}`
`256`	`256`
`257`	`257`	`// ensure there is enough stack to include a stack-overflow margin`