Fix overrun on value

[awesomized/libmemcached] / config / byteorder.m4

diff --git a/config/byteorder.m4 b/config/byteorder.m4
index fe88605a0d9aba5b61bb68575798b7d338855982..b6bd84a8f18b5c00912d18765a6e3d3b66cf1b93 100644 (file)
--- a/config/byteorder.m4
+++ b/config/byteorder.m4
@@ -1,11 +1,41 @@
-AC_RUN_IFELSE([ 
-   AC_LANG_PROGRAM([
+AC_DEFUN([DETECT_BYTEORDER],
+[
+    AC_MSG_CHECKING([for htonll])
+    have_htoll="no"
+    AC_RUN_IFELSE([
+       AC_LANG_PROGRAM([
 #include <sys/types.h>
 #include <netinet/in.h>
 #include <inttypes.h>
-      ], [
+       ], [
+          return htonll(0);
+       ])            
+    ], [
+      have_htoll="yes"
+      AC_DEFINE([HAVE_HTONLL], [1], [Have ntohll])
+    ])
+
+    AC_MSG_RESULT([$have_htoll])
+    AM_CONDITIONAL([BUILD_BYTEORDER],[test "x$have_htoll" == "xno"])
+    AC_MSG_CHECKING([byteorder])
+    have_htoll="no"
+    AC_RUN_IFELSE([
+       AC_LANG_PROGRAM([
+#include <sys/types.h>
+#include <netinet/in.h>
+#include <inttypes.h>
+       ], [
 if (htonl(5) != 5) {
    return 1;
 }
-      ])            
-   ], AC_DEFINE([BYTEORDER_BIG_ENDIAN], [1], [Enable big endian byteorder]))
+       ])            
+    ], [
+       AC_MSG_RESULT([big endian])
+       AC_DEFINE([BYTEORDER_BIG_ENDIAN], [1], [Enable big endian byteorder])
+    ], [
+       AC_MSG_RESULT([little endian])
+       AC_DEFINE([BYTEORDER_LITTLE_ENDIAN], [1], [Enable little endian byteorder])
+    ])
+])
+
+DETECT_BYTEORDER