threaded delta search: refine work allocation

[git.git] / Makefile

diff --git a/Makefile b/Makefile
index 4eb463797adc693dc168b926b6932ff53f17d0b1..a92fb316950155cd0e3d27d61cbf16432b2e3386 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -122,6 +122,9 @@ all::
 # If not set it defaults to the bare 'wish'. If it is set to the empty
 # string then NO_TCLTK will be forced (this is used by configure script).
 #
+# Define THREADED_DELTA_SEARCH if you have pthreads and wish to exploit
+# parallel delta searching when packing objects.
+#
 
 GIT-VERSION-FILE: .FORCE-GIT-VERSION-FILE
        @$(SHELL_PATH) ./GIT-VERSION-GEN
@@ -662,6 +665,11 @@ ifdef NO_HSTRERROR
        COMPAT_OBJS += compat/hstrerror.o
 endif
 
+ifdef THREADED_DELTA_SEARCH
+       BASIC_CFLAGS += -DTHREADED_DELTA_SEARCH
+       EXTLIBS += -lpthread
+endif
+
 ifeq ($(TCLTK_PATH),)
 NO_TCLTK=NoThanks
 endif
@@ -969,6 +977,8 @@ test-date$X: date.o ctype.o
 
 test-delta$X: diff-delta.o patch-delta.o
 
+.PRECIOUS: $(patsubst test-%$X,test-%.o,$(TEST_PROGRAMS))
+
 test-%$X: test-%.o $(GITLIBS)
        $(QUIET_LINK)$(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) $(LIBS)