char can be unsigned, so i8 needs to be signed char.

p4raw-id: //depot/perl@32671

diff --git a/Configure b/Configure
index ce038a3..e8059b0 100755 (executable)
--- a/Configure
+++ b/Configure
@@ -15199,7 +15199,7 @@ int main() {
 }
 EOCP
 
-i8type=char
+i8type="signed char"
 u8type="unsigned char"
 i8size=1
 u8size=1