Fix crash when reading the empty tree

[git.git] / Makefile

diff --git a/Makefile b/Makefile
index 087ff27..d2cc01a 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -204,7 +204,7 @@ DIFF_OBJS = \
        diffcore-delta.o log-tree.o
 
 LIB_OBJS = \
-       blob.o commit.o connect.o csum-file.o \
+       blob.o commit.o connect.o csum-file.o cache-tree.o \
        date.o diff-delta.o entry.o exec_cmd.o ident.o index.o \
        object.o pack-check.o patch-delta.o path.o pkt-line.o \
        quote.o read-cache.o refs.o run-command.o \
@@ -580,7 +580,7 @@ $(LIB_FILE): $(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:
@@ -611,6 +611,9 @@ test-date$X: test-date.c date.o ctype.o
 test-delta$X: test-delta.c diff-delta.o patch-delta.o
        $(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $^ -lz
 
+test-dump-cache-tree$X: dump-cache-tree.o $(GITLIBS)
+       $(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) $(LIBS)
+
 check:
        for i in *.c; do sparse $(ALL_CFLAGS) $(SPARSE_FLAGS) $$i || exit; done