Add automatic versioning

4 files changed, 19 insertions, 2 deletions

diff --git a/.gitignore b/.gitignore
index 7b39e57..f12a347 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 *.o
 cputemp2maxfreq
 debug.h
+version.h
diff --git a/Makefile b/Makefile
index 335d067..efcb459 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,7 @@
-cputemp2maxfreq: debug.o sysfs.o cpufreq.o failsafe.o
+cputemp2maxfreq: version.h debug.o sysfs.o cpufreq.o failsafe.o
+
+version.h: generate_version_h.sh .git/index
+	./generate_version_h.sh > version.h
 
 %.o: %.c %.h debug.h
 	$(COMPILE.c) $(OUTPUT_OPTION) $<
diff --git a/cputemp2maxfreq.c b/cputemp2maxfreq.c
index 267c54e..4374ea4 100644
--- a/cputemp2maxfreq.c
+++ b/cputemp2maxfreq.c
@@ -8,6 +8,7 @@
 #include "debug.h"
 #include "cputemp2maxfreq.h"
 #include "failsafe.h"
+#include "version.h"
 
 struct s_cpudata cpudata;
 struct s_config config={"conservative",70000,"/sys/devices/virtual/thermal/thermal_zone0/temp",100000,2000000,10};
@@ -17,8 +18,10 @@ int main()
  long int diff;
  long int newfreq;
 
+ printf("Version %s, buildtime %s\n",VERSION_FULL,BUILDTIME);
+
 // Print configuration
- printf("Configuration:");
+ printf("Configuration:\n");
  printf("Governor: %s\n",config.governor);
  printf("Temperature: %ld\n",config.max_temp);
  printf("Temp input: %s\n",config.temp_input);
diff --git a/generate_version_h.sh b/generate_version_h.sh
new file mode 100755
index 0000000..1e90ced
--- /dev/null
+++ b/generate_version_h.sh
@@ -0,0 +1,10 @@
+#!/bin/sh
+
+VERSION=`git describe --abbrev=0`
+HASH=`git show --format="%h" --no-patch master`
+
+
+echo "#define VERSION \"$VERSION\""
+echo "#define HASH \"$HASH\""
+echo "#define VERSION_FULL VERSION\"-\"HASH"
+echo "#define BUILDTIME \"`date -Isec`\""