This file is also used in libcompiler_rt, so bring in stdbool.h if we're not

in the kernel.

sys/mips/mips/stdatomic.c

@@ -33,6 +33,10 @@ __FBSDID("$FreeBSD$");
 #include <sys/stdatomic.h>
 #include <sys/types.h>
 
+#ifndef _KERNEL
+#include <stdbool.h>
+#endif /* _KERNEL */
+
 #if defined(__SYNC_ATOMICS)
 
 /*