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Makefile: list generated object files in OBJECTS

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Set the OBJECTS variable to a comprehensive list of all object
file targets.  To make sure it is truly comprehensive, restrict
the scope of the %.o pattern rule to only generate objects in
this list.

Attempts to build other object files will fail loudly:

	$ touch foo.c
	$ make foo.o
	make: *** No rule to make target `foo.o'.  Stop.

providing a reminder to add the new object to the OBJECTS list.

The new variable is otherwise unused.  The intent is for later
patches to take advantage of it.

Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
This commit is contained in:
Jonathan Nieder 2010-01-26 09:52:11 -06:00
parent 30248886ce
commit c373991375
1 changed files with 7 additions and 2 deletions
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9
Makefile
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@ -1671,14 +1671,19 @@ GIT_OBJS := $(LIB_OBJS) $(BUILTIN_OBJS) $(TEST_OBJS) \
$(patsubst git-%$X,%.o,$(PROGRAMS))
XDIFF_OBJS = xdiff/xdiffi.o xdiff/xprepare.o xdiff/xutils.o xdiff/xemit.o \
xdiff/xmerge.o xdiff/xpatience.o
OBJECTS := $(GIT_OBJS) $(XDIFF_OBJS)
ASM_SRC := $(wildcard $(OBJECTS:o=S))
ASM_OBJ := $(ASM_SRC:S=o)
C_OBJ := $(filter-out $(ASM_OBJ),$(OBJECTS))
.SUFFIXES:
%.o: %.c GIT-CFLAGS
$(C_OBJ): %.o: %.c GIT-CFLAGS
$(QUIET_CC)$(CC) -o $*.o -c $(ALL_CFLAGS) $<
%.s: %.c GIT-CFLAGS FORCE
$(QUIET_CC)$(CC) -S $(ALL_CFLAGS) $<
%.o: %.S GIT-CFLAGS
$(ASM_OBJ): %.o: %.S GIT-CFLAGS
$(QUIET_CC)$(CC) -o $*.o -c $(ALL_CFLAGS) $<
$(GIT_OBJS): $(LIB_H)