Define CHAR_BITS

Author: arnaud-lb

Zend/zend_portability.h

@@ -59,6 +59,7 @@
 
 #include <stdarg.h>
 #include <stddef.h>
+#include <stdint.h>
 
 #ifdef HAVE_DLFCN_H
 # include <dlfcn.h>
@@ -870,6 +871,10 @@ static zend_always_inline uint64_t ZEND_BYTES_SWAP64(uint64_t u)
 # define ZEND_OPCACHE_SHM_REATTACHMENT 1
 #endif
 
+#ifndef CHAR_BITS
+# define CHAR_BITS 8
+#endif
+
 #ifndef UINTPTR_WIDTH
 # define UINTPTR_WIDTH (CHAR_BITS * sizeof(uintptr_t))
 #endif