deleted file build_num; will be adding this file when we produce source tar ball; if the file is missing, will use git branch and last commit in place of the build number

build_num

@@ -1 +0,0 @@
-#define BUILD_NUM 3407

qmake.inc.in

@@ -83,4 +83,15 @@ exists(qmake2.inc) {
   include(qmake2.inc)
 }
 
+exists(build_num) {
+	include(build_num)
+}
+if (isEmpty(BUILD_NUM)) {
+	GIT_BRANCH=$$system(git branch | grep '\\*' | cut -c3-)
+	GIT_COMMIT=$$system(git show --abbrev-commit -1 --pretty=oneline --shortstat | head -1 | cut -c1-7)
+	BUILD_NUM="$$GIT_BRANCH:$$GIT_COMMIT"
+}
+
+DEFINES += BUILD_NUM=$$BUILD_NUM
+
 INSTALLS += target

src/common/init.cpp

@@ -1,7 +1,6 @@
 
 
 #include "../../config.h"
-#include "../../build_num"
 
 #include <string>
 #include <assert.h>

src/libgui/libgui.pro

@@ -26,7 +26,6 @@ INSTALLS -= target
 # control whether we build debug or release in ../../qmake.inc
 # CONFIG += precompile_header
 HEADERS += ../../config.h \
-    ../../build_num \
     events.h \
     FWWindow.h \
     ProjectPanel.h \