t/lib-diff-alternative: abstract away SHA-1-specific constants

diff --git a/Makefile b/Makefile
index 4541788e50c4faa424c6df717dfcc6bc78fa570b..ad880d1fc57212fc6b47aeea792a58129b61238e 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -2284,7 +2284,7 @@ exec-cmd.sp exec-cmd.s exec-cmd.o: EXTRA_CPPFLAGS = \
        '-DGIT_EXEC_PATH="$(gitexecdir_SQ)"' \
        '-DGIT_LOCALE_PATH="$(localedir_relative_SQ)"' \
        '-DBINDIR="$(bindir_relative_SQ)"' \
-       '-DPREFIX="$(prefix_SQ)"'
+       '-DFALLBACK_RUNTIME_PREFIX="$(prefix_SQ)"'
 
 builtin/init-db.sp builtin/init-db.s builtin/init-db.o: GIT-PREFIX
 builtin/init-db.sp builtin/init-db.s builtin/init-db.o: EXTRA_CPPFLAGS = \