Merge branch 'ab/makefile-track-cc'

* ab/makefile-track-cc:
  Makefile: add CC to TRACK_CFLAGS

Author: gitster

Makefile

@@ -1983,7 +1983,7 @@ cscope:
 	$(FIND) . -name '*.[hcS]' -print | xargs cscope -b
 
 ### Detect prefix changes
-TRACK_CFLAGS = $(subst ','\'',$(ALL_CFLAGS)):\
+TRACK_CFLAGS = $(CC):$(subst ','\'',$(ALL_CFLAGS)):\
              $(bindir_SQ):$(gitexecdir_SQ):$(template_dir_SQ):$(prefix_SQ)
 
 GIT-CFLAGS: FORCE