--enable-64 for 64bit suncc build

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@6288 d0543943-73ff-0310-b7d9-9358b9ac24b2

libs/libresample/configure.in

@@ -94,6 +94,17 @@ case "$host" in
                         DYNAMIC_LIB_EXTEN="so"
                 ;;
 esac
+
+#  Enable 64 bit build
+AC_ARG_ENABLE(64,
+[AC_HELP_STRING([--enable-64],[build with 64 bit support])],[enable_64="$enable_64"],[enable_64="no"])
+
+if test "x${ax_cv_c_compiler_vendor}"  =  "xsun" ; then
+    if test "${enable_64}" = "yes"; then
+        new_AM_CFLAGS="$new_AM_CFLAGS -m64"
+    fi
+fi
+
 AC_SUBST(new_AM_CFLAGS)
 AC_SUBST(new_AM_LDFLAGS)
 AC_SUBST(SOLINK)