--- Libc/Libc-1044.1.2/include/stdint.h
+++ Libc/Libc-997.90.3/include/stdint.h
@@ -149,6 +149,10 @@
 #define PTRDIFF_MAX       INT32_MAX
 #endif
 
+/* We have no sig_atomic_t yet, so no SIG_ATOMIC_{MIN,MAX}.
+   Should end up being {-127,127} or {0,255} ... or bigger.
+   My bet would be on one of {U}INT32_{MIN,MAX}. */
+
 #if __WORDSIZE == 64
 #define SIZE_MAX	  UINT64_MAX
 #else