This is cchardet version 1.0.0 with the following patches:
diff -Naur cchardet-1.0.0.old/src/ext/libcharsetdetect/charsetdetect.cpp cchardet-1.0.0.new/src/ext/libcharsetdetect/charsetdetect.cpp
--- cchardet-1.0.0.old/src/ext/libcharsetdetect/charsetdetect.cpp       2014-08-27 02:16:28.000000000 +0200
+++ cchardet-1.0.0.new/src/ext/libcharsetdetect/charsetdetect.cpp       2018-03-15 04:42:38.991887527 +0100
@@ -1,4 +1,3 @@
-#include <iostream>
 #include "charsetdetect.h"
 #include "charsetdetectPriv.h"
  
@@ -91,4 +90,4 @@
     delete ((Detector*)csd);
     return result;
 }
-//*/
\ No newline at end of file
+//*/
diff -Naur cchardet-1.0.0.old/src/ext/libcharsetdetect/mozilla/extensions/universalchardet/src/base/nsUniversalDetector.cpp cchardet-1.0.0.new/src/ext/libcharsetdetect/mozilla/extensions/universalchardet/src/base/nsUniversalDetector.cpp
--- cchardet-1.0.0.old/src/ext/libcharsetdetect/mozilla/extensions/universalchardet/src/base/nsUniversalDetector.cpp    2014-08-27 02:16:28.000000000 +0200
+++ cchardet-1.0.0.new/src/ext/libcharsetdetect/mozilla/extensions/universalchardet/src/base/nsUniversalDetector.cpp    2018-03-15 04:42:45.715658627 +0100
@@ -45,8 +45,6 @@
 #include "nsEscCharsetProber.h"
 #include "nsLatin1Prober.h"
  
-#include <iostream>
-
 nsUniversalDetector::nsUniversalDetector(PRUint32 aLanguageFilter)
 {
   mDone = PR_FALSE;
@@ -336,4 +334,4 @@
   }
   return;
 }
-//*/
\ No newline at end of file
+//*/