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Makefile: stop listing test library objects twice

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Whenever one adds another test library compilation unit one has to wire
it up twice in the Makefile: once to append it to `UNIT_TEST_OBJS`, and
once to append it to the `UNIT_TEST_PROGS` target. Ideally, we'd just
reuse the `UNIT_TEST_OBJS` variable in the target so that we can avoid
the duplication. But it also contains all the objects for our test
programs, each of which contains a `cmd_main()`, and thus we cannot link
them all into the target executable.

Refactor the code such that `UNIT_TEST_OBJS` does not contain the unit
test program objects anymore, which we can instead manually append to
the `OBJECTS` variable. Like this, the former variable now only contains
objects for test libraries and can thus be reused.

Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Patrick Steinhardt 2024-09-16 10:50:08 +02:00 committed by Junio C Hamano
parent d8faf50c36
commit 428672a3b1
1 changed files with 2 additions and 4 deletions
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6
Makefile
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@ -1356,7 +1356,6 @@ UNIT_TEST_PROGRAMS += t-strvec
UNIT_TEST_PROGRAMS += t-trailer
UNIT_TEST_PROGRAMS += t-urlmatch-normalization
UNIT_TEST_PROGS = $(patsubst %,$(UNIT_TEST_BIN)/%$X,$(UNIT_TEST_PROGRAMS))
UNIT_TEST_OBJS = $(patsubst %,$(UNIT_TEST_DIR)/%.o,$(UNIT_TEST_PROGRAMS))
UNIT_TEST_OBJS += $(UNIT_TEST_DIR)/test-lib.o
UNIT_TEST_OBJS += $(UNIT_TEST_DIR)/lib-oid.o
@ -2715,6 +2714,7 @@ OBJECTS += $(XDIFF_OBJS)
OBJECTS += $(FUZZ_OBJS)
OBJECTS += $(REFTABLE_OBJS) $(REFTABLE_TEST_OBJS)
OBJECTS += $(UNIT_TEST_OBJS)
OBJECTS += $(patsubst %,$(UNIT_TEST_DIR)/%.o,$(UNIT_TEST_PROGRAMS))
ifndef NO_CURL
OBJECTS += http.o http-walker.o remote-curl.o
@ -3852,9 +3852,7 @@ $(FUZZ_PROGRAMS): %: %.o oss-fuzz/dummy-cmd-main.o $(GITLIBS) GIT-LDFLAGS
-Wl,--allow-multiple-definition \
$(filter %.o,$^) $(filter %.a,$^) $(LIBS) $(LIB_FUZZING_ENGINE)
$(UNIT_TEST_PROGS): $(UNIT_TEST_BIN)/%$X: $(UNIT_TEST_DIR)/%.o \
$(UNIT_TEST_DIR)/test-lib.o \
$(UNIT_TEST_DIR)/lib-oid.o \
$(UNIT_TEST_PROGS): $(UNIT_TEST_BIN)/%$X: $(UNIT_TEST_DIR)/%.o $(UNIT_TEST_OBJS) \
$(GITLIBS) GIT-LDFLAGS
$(call mkdir_p_parent_template)
$(QUIET_LINK)$(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) \