Have configure check for use of %lld for int64, and if that fails, check for

src/configure.in

@@ -788,7 +788,7 @@ dnl If we found "long int" is 64 bits, assume snprintf handles it.
 dnl If we found we need to use "long long int", better check.
 
 if [[ x$SNPRINTF = x -a $HAVE_LONG_LONG_INT_64 -eq 1 ]] ; then
-    AC_MSG_CHECKING(whether snprintf handles 'long long int')
+    AC_MSG_CHECKING(whether snprintf handles 'long long int' as %lld)
     AC_TRY_RUN([#include <stdio.h>
 typedef long long int int64;
 #define INT64_FORMAT "%lld"
@@ -813,11 +813,45 @@ int does_int64_snprintf_work()
 main() {
   exit(! does_int64_snprintf_work());
 }],
-	AC_MSG_RESULT(yes),
+	[ AC_MSG_RESULT(yes)
-	[SNPRINTF='snprintf.o'
+    AC_DEFINE(HAVE_INT64_AS_LLD) ],
-	 AC_MSG_RESULT(no)],
+  [ AC_MSG_RESULT(no)
-	[SNPRINTF='snprintf.o'
+    AC_MSG_CHECKING(whether snprintf handles 'long long int' as %qd) 
-	 AC_MSG_RESULT(assuming not on target machine)])
+    AC_TRY_RUN([#include <stdio.h>
+typedef long long int int64;
+#define INT64_FORMAT "%qd"
+   
+int64 a = 20000001;
+int64 b = 40000005;
+   
+int does_int64_snprintf_work()
+{  
+  int64 c;
+  char buf[100];
+
+  if (sizeof(int64) != 8)
+    return 0;     /* doesn't look like the right size */
+
+  c = a * b;
+  snprintf(buf, 100, INT64_FORMAT, c);
+  if (strcmp(buf, "800000140000005") != 0)
+    return 0;     /* either multiply or snprintf is busted */
+  return 1;
+}
+main() {
+  exit(! does_int64_snprintf_work());
+}],
+  [ AC_MSG_RESULT(yes)   
+    AC_DEFINE(HAVE_INT64_AS_QD) ],
+  [ SNPRINTF='snprintf.o' 
+    AC_MSG_RESULT(no)],
+  [ SNPRINTF='snprintf.o' 
+    AC_MSG_RESULT(assuming not on target machine)]) ],
+
+	[ SNPRINTF='snprintf.o' 
+    AC_MSG_RESULT(no)],
+	[ SNPRINTF='snprintf.o' 
+    AC_MSG_RESULT(assuming not on target machine)])
 fi
 
 

src/include/config.h.in

@@ -281,6 +281,12 @@ extern void srandom(unsigned int seed);
 /* Set to 1 if your DBL_MIN is problematic */
 #undef HAVE_DBL_MIN_PROBLEM
 
+/* Set to 1 if your snprintf has %lld for 'long long int' */
+#undef HAVE_INT64_AS_LLD
+
+/* Set to 1 if your snprintf has %qd for 'long long int' */
+#undef HAVE_INT64_AS_QD
+
 /* Set to 1 if type "long int" works and is 64 bits */
 #undef HAVE_LONG_INT_64
 

src/include/utils/int8.h

@@ -6,7 +6,7 @@
  *
  * Copyright (c) 1994, Regents of the University of California
  *
- * $Id: int8.h,v 1.10 1999/02/13 23:22:23 momjian Exp $
+ * $Id: int8.h,v 1.11 1999/03/08 04:17:33 scrappy Exp $
  *
  * NOTES
  * These data types are supported on all 64-bit architectures, and may
@@ -33,7 +33,11 @@ typedef long int int64;
 /* We have working support for "long long int", use that */
 typedef long long int int64;
 
-#define INT64_FORMAT "%lld"
+#ifdef HAVE_INT64_AS_LLD
+# define INT64_FORMAT "%lld"
+#elif HAVE_INT64_AS_QD
+# define INT64_FORMAT "%qd"
+#endif
 #else
 /* Won't actually work, but fall back to long int so that int8.c compiles */
 typedef long int int64;