Add version constant

diff --git a/Makefile b/Makefile
index 9c6d836..4b4056a 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,5 @@
-CC = gcc -Wall
+GIT_VERSION := $(shell git describe --abbrev=6 --dirty --always --tags)
+CC = gcc -Wall -DVERSION=\"$(GIT_VERSION)\"
 lib_inih := lib/inih
 libs := $(lib_inih)
 

diff --git a/main.c b/main.c
index 5524e79..35519e1 100644 (file)
--- a/main.c
+++ b/main.c
@@ -108,6 +108,7 @@ int read_button()
 
 int main (void)
 {
+  printf("hdmi-switcher %s\n", VERSION);
   init_config(&config);
   init_gpio();
   switch_state = config.default_switch_state;