--- a/third_party/patches/sox.patch.orig
+++ b/third_party/patches/sox.patch
@@ -15,3 +15,37 @@
 +    return sox_false;
    return ((st.st_mode & S_IFMT) == S_IFREG);
  }
+ 
+Do not #error, just define NO_REWIND_PIPE
+--- sox/src/formats.c
++++ sox/src/formats.c
+@@ -422,7 +426,7 @@
+   /* 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
++  // #error FIX NEEDED HERE
+   #define NO_REWIND_PIPE
+   (void)fp;
+ #endif
+--- sox/CMakeLists.txt.orig
++++ sox/CMakeLists.txt
+@@ -76,7 +76,7 @@
+ check_include_files("byteswap.h"         HAVE_BYTESWAP_H)
+ check_include_files("inttypes.h"         HAVE_INTTYPES_H)
+ check_include_files("fenv.h"             HAVE_FENV_H)
+-check_include_files("glob.h"             HAVE_GLOB_H)
++#check_include_files("glob.h"             HAVE_GLOB_H)
+ check_include_files("io.h"               HAVE_IO_H)
+ #check_include_files("ltdl.h"             HAVE_LTDL_H) # no plug-ins as yet
+ check_include_files("stdint.h"           HAVE_STDINT_H)
+--- sox/configure
++++ sox/configure
+@@ -13000,7 +13000,7 @@
+ 
+ fi
+ 
+-for ac_header in fcntl.h unistd.h byteswap.h sys/stat.h sys/time.h sys/timeb.h sys/types.h sys/utsname.h termios.h glob.h fenv.h
++for ac_header in fcntl.h unistd.h byteswap.h sys/stat.h sys/time.h sys/timeb.h sys/types.h sys/utsname.h termios.h fenv.h
+ do :
+   as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
+ ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"