Switched to default g++ compiler. Added short command line options for ditdit and test-tone.

PiCW.cpp

@@ -509,7 +509,7 @@ void parse_commandline(
   while (1) {
     /* getopt_long stores the option index here. */
     int option_index = 0;
-    int c = getopt_long (argc, argv, "hf:w:p:s",
+    int c = getopt_long (argc, argv, "hf:w:p:sdt",
                      long_options, &option_index);
     if (c == -1)
       break;

makefile

@@ -3,7 +3,7 @@ prefix=/usr/local
 all: PiCW
 
 PiCW: PiCW.cpp
-	g++-4.7 -D_GLIBCXX_DEBUG -std=c++11 -Wall -Werror -fmax-errors=5 -lm PiCW.cpp -pthread -oPiCW
+	g++ -D_GLIBCXX_DEBUG -std=c++11 -Wall -Werror -fmax-errors=5 -lm PiCW.cpp -pthread -oPiCW
 
 .PHONY: install
 install: PiCW