format-patch: add --range-diff option to embed diff in cover letter

diff --git a/Makefile b/Makefile
index 7ff7eba42bf2ddde0375e67c4423ccff3390c243..12e3c2d8653e489775dee22a62ada97e7c46bc28 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -874,6 +874,7 @@ LIB_OBJS += linear-assignment.o
 LIB_OBJS += help.o
 LIB_OBJS += hex.o
 LIB_OBJS += ident.o
+LIB_OBJS += interdiff.o
 LIB_OBJS += kwset.o
 LIB_OBJS += levenshtein.o
 LIB_OBJS += line-log.o
@@ -925,6 +926,7 @@ LIB_OBJS += progress.o
 LIB_OBJS += prompt.o
 LIB_OBJS += protocol.o
 LIB_OBJS += quote.o
+LIB_OBJS += range-diff.o
 LIB_OBJS += reachable.o
 LIB_OBJS += read-cache.o
 LIB_OBJS += reflog-walk.o