Index: src/formats.c
--- src/formats.c.orig	2013-01-13 20:57:39.000000000 +0100
+++ src/formats.c	2013-03-11 20:06:38.941387117 +0100
@@ -417,7 +417,6 @@
   /* To fix this #error, either simply remove the #error line and live without
    * file-type detection with pipes, or add support for your compiler in the
    * lines above.  Test with cat monkey.wav | ./sox --info - */
-  #error FIX NEEDED HERE
   #define NO_REWIND_PIPE
   (void)fp;
 #endif
