add color-free binary build target "tionc"

.gitignore

@@ -1,6 +1,7 @@
 *.tar.xz
 src/*.o
 src/tio
+src/tionc
 Makefile.in
 Makefile
 aclocal.m4
@@ -22,3 +23,4 @@ src/include/stamp-h1
 *.swp
 /tio-*
 /src/bash-completion/tio
+\#*

src/Makefile.am

@@ -1,6 +1,6 @@
 AM_CPPFLAGS = -I$(srcdir)/include
 AM_CFLAGS = -Wall
-bin_PROGRAMS = tio
+bin_PROGRAMS = tio tionc
 tio_SOURCES = tty.c \
               options.c \
               time.c \
@@ -14,8 +14,24 @@ tio_SOURCES = tty.c \
               include/tio/log.h \
               include/tio/error.h
 
+tionc_SOURCES = tty.c \
+              options.c \
+              time.c \
+              main.c \
+              log.c \
+              error.c \
+              include/tio/tty.h \
+              include/tio/options.h \
+              include/tio/time.h \
+              include/tio/print.h \
+              include/tio/log.h \
+              include/tio/error.h
+
+tionc_CFLAGS = -D TIO_NOCOLOR
+
 if ADD_SETSPEED2
 tio_SOURCES += setspeed2.c
+tionc_SOURCES += setspeed2.c
 endif
 
 if ENABLE_BASH_COMPLETION

src/include/tio/print.h

@@ -22,6 +22,17 @@
 #ifndef PRINT_H
 #define PRINT_H
 
+#ifdef TIO_NOCOLOR
+#define ANSI_COLOR_GRAY      ""
+#define ANSI_COLOR_RED       ""
+#define ANSI_COLOR_GREEN     ""
+#define ANSI_COLOR_YELLOW    ""
+#define ANSI_COLOR_BLUE      ""
+#define ANSI_COLOR_PINK      ""
+#define ANSI_COLOR_CYAN      ""
+#define ANSI_COLOR_WHITE     ""
+#define ANSI_COLOR_RESET     ""
+#else
 #define ANSI_COLOR_GRAY      "\x1b[1;30m"
 #define ANSI_COLOR_RED       "\x1b[1;31m"
 #define ANSI_COLOR_GREEN     "\x1b[1;32m"
@@ -31,6 +42,7 @@
 #define ANSI_COLOR_CYAN      "\x1b[1;36m"
 #define ANSI_COLOR_WHITE     "\x1b[1;37m"
 #define ANSI_COLOR_RESET     "\x1b[0m"
+#endif
 
 #define color_printf(format, args...) \
    { \