From c62f7a6ae820d1edf39e72176a08999b8e6d33a5 Mon Sep 17 00:00:00 2001
From:  <brian@localhost.localdomain>
Date: Fri, 18 Jul 2008 04:56:06 -0700
Subject: [PATCH] Adding missing file.

---
 config/64bit.m4 | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 config/64bit.m4

diff --git a/config/64bit.m4 b/config/64bit.m4
new file mode 100644
index 00000000..a704c655
--- /dev/null
+++ b/config/64bit.m4
@@ -0,0 +1,31 @@
+dnl ---------------------------------------------------------------------------
+dnl Macro: 64BIT
+dnl ---------------------------------------------------------------------------
+AC_ARG_ENABLE(64bit,
+    [  --enable-64bit      Build 64bit library.],
+    [ 
+       org_cflags=$CFLAGS
+       CFLAGS=-m64
+       AC_LANG(C)
+       AC_RUN_IFELSE([
+            AC_LANG_PROGRAM([], [ if (sizeof(void*) != 8) return 1;])
+          ],[
+            CFLAGS="$CFLAGS $org_cflags"
+          ],[
+            AC_MSG_ERROR([Don't know how to build a 64-bit object.])
+          ])
+       org_cxxflags=$CXXFLAGS
+       CXXFLAGS=-m64
+       AC_LANG(C++)
+       AC_RUN_IFELSE([
+            AC_LANG_PROGRAM([], [ if (sizeof(void*) != 8) return 1;])
+          ],[
+            CXXFLAGS="$CXXFLAGS $org_cxxflags"
+          ],[
+            AC_MSG_ERROR([Don't know how to build a 64-bit object.])
+          ])
+
+    ])
+dnl ---------------------------------------------------------------------------
+dnl End Macro: 64BIT
+dnl ---------------------------------------------------------------------------
-- 
2.30.2