64-bit mingw port: Use intptr_t, not long, to guarantee alignment.

[cln.git] / m4 / intparam.m4

diff --git a/m4/intparam.m4 b/m4/intparam.m4
index d8536b2c7d817504abb8cc63f5fe8cd10acb4be7..d7830b0a77d90e51c00578f534f99cf937edde73 100644 (file)
--- a/m4/intparam.m4
+++ b/m4/intparam.m4
@@ -113,8 +113,8 @@ AC_DEFUN([CL_INTPARAM_CROSS],
         echo "#error \"Integer types long long and unsigned long long have different sizes!!\""
       fi
     fi
-    AC_TRY_COMPILE([], [static_assert(sizeof(char*) <= sizeof(long), "");],
-      [], [echo "#error \"Type char * does not fit into a long!!\""])
+    AC_TRY_COMPILE([], [static_assert(sizeof(char*) <= sizeof(intptr_t), "");],
+      [], [echo "#error \"Type char * does not fit into an intptr_t!!\""])
     _AC_COMPUTE_INT([sizeof (char *)], [pointer_size])
     pointer_bitsize=`expr $pointer_size '*' $char_bitsize`
     echo "/* Pointers of type char * have $pointer_bitsize bits. */"