Update makefile

linux/README.md

@@ -12,18 +12,30 @@ required.
 
 
 ## Using
-
-Play your instrument into your microphone and observe the
-display. The oscilloscope display at the top shows the input
-waveform. The display below shows the spectrum of the input. It
-may be zoomed in and out by clicking on the pane. When zoomed in
-the display shows about ±50 cents around the current note and
-includes all concurrent notes within that range.
+Play your instrument into your microphone and observe the display. The
+oscilloscope display at the top shows the input waveform. The display
+below shows the spectrum of the input. It may be zoomed in and out by
+clicking on the pane. When zoomed in the display shows about ±50 cents
+around the current note and includes all concurrent notes within that
+range.
 
 ## Building
-
-Use the simple makefile provided. The convoluted GNU autoconfig/automake system appears to work, but overwrites the makefile with one that doesn't work. There is a backup in `Makefile.de`.
+Use the simple makefile provided. The convoluted GNU
+autoconfig/automake system appears to work, but overwrites the
+makefile with one that doesn't work. There is a backup in
+`Makefile.de`.
 
 ### Raspberry Pi
-
-The app builds ok on a pi, but will not work because of the lack of an audio input. It should work fine with one - untested.
+The app builds ok on a pi, but will not work because of the lack of an
+audio input. It should work fine with one - untested.
+
+## Install
+Copy the binary `tuner` to `/usr/local/bin`. That's:
+```shell
+$ git clone https://github.com/billthefarmer/ctuner.git
+$ cd ctuner/linux/
+$ sudo apt install libasound2-dev libgtk-3-dev
+$ make
+$ sudo cp tuner /usr/local/bin/
+```
+On a debian/ubuntu/linux mint/raspberry pi system.

linux/tuner.cpp

@@ -2115,7 +2115,6 @@ void update_options()
 }
 
 // Key press
-
 gboolean key_press(GtkWidget *window, GdkEventKey *event, gpointer data)
 {
     switch (event->keyval)