diff -ru dc3dd-7.1.614/m4/jm-macros.m4 dc3dd-7.1.614.new/m4/jm-macros.m4
--- dc3dd-7.1.614/m4/jm-macros.m4	2008-06-05 19:47:58.000000000 +0200
+++ dc3dd-7.1.614.new/m4/jm-macros.m4	2013-12-22 01:15:24.044931510 +0100
@@ -128,10 +128,10 @@
   dnl whether functions and headers are available, whether they work, etc.
   AC_REQUIRE([AC_SYS_LARGEFILE])
 
-  dnl This test must precede tests of compiler characteristics like
-  dnl that for the inline keyword, since it may change the degree to
-  dnl which the compiler supports such features.
-  AC_REQUIRE([AM_C_PROTOTYPES])
+#  dnl This test must precede tests of compiler characteristics like
+#  dnl that for the inline keyword, since it may change the degree to
+#  dnl which the compiler supports such features.
+#  AC_REQUIRE([AM_C_PROTOTYPES])
 
   dnl Checks for typedefs, structures, and compiler characteristics.
   AC_REQUIRE([AC_C_BIGENDIAN])