builtin-grep: documentation

diff --git a/Makefile b/Makefile
index 0924f84c4f8b964b18e97670ad8d407f99f08ecf..8d5122bdd518e6d85d15304f7e7638b84c9b00e7 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -214,7 +214,7 @@ LIB_OBJS = \
        $(DIFF_OBJS)
 
 BUILTIN_OBJS = \
-       builtin-log.o builtin-help.o
+       builtin-log.o builtin-help.o builtin-grep.o
 
 GITLIBS = $(LIB_FILE) $(XDIFF_LIB)
 LIBS = $(GITLIBS) -lz
@@ -575,12 +575,12 @@ $(patsubst git-%$X,%.o,$(PROGRAMS)): $(GITLIBS)
 $(DIFF_OBJS): diffcore.h
 
 $(LIB_FILE): $(LIB_OBJS)
-       $(AR) rcs $@ $(LIB_OBJS)
+       rm -f $@ && $(AR) rcs $@ $(LIB_OBJS)
 
 XDIFF_OBJS=xdiff/xdiffi.o xdiff/xprepare.o xdiff/xutils.o xdiff/xemit.o
 
 $(XDIFF_LIB): $(XDIFF_OBJS)
-       $(AR) rcs $@ $(XDIFF_OBJS)
+       rm -f $@ && $(AR) rcs $@ $(XDIFF_OBJS)
 
 
 doc: