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directly use object files when linking ELF (#22025)

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Thomas Weißschuh 2023-09-17 06:25:46 +02:00 committed by GitHub
parent 169b0f33f6
commit 615ca78567
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1 changed files with 4 additions and 1 deletions
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builddefs/common_rules.mk
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@ -12,6 +12,9 @@ vpath %.hpp $(VPATH_SRC)
vpath %.S $(VPATH_SRC)
VPATH :=
# Helper to return the distinct elements of a list
uniq = $(if $1,$(firstword $1) $(call uniq,$(filter-out $(firstword $1),$1)))
# Convert all SRC to OBJ
define OBJ_FROM_SRC
$(patsubst %.c,$1/%.o,$(patsubst %.cpp,$1/%.o,$(patsubst %.cc,$1/%.o,$(patsubst %.S,$1/%.o,$(patsubst %.clib,$1/%.a,$($1_SRC))))))
@ -264,7 +267,7 @@ BEGIN = gccversion sizebefore
# Note the obj.txt depeendency is there to force linking if a source file is deleted
%.elf: $(OBJ) $(MASTER_OUTPUT)/cflags.txt $(MASTER_OUTPUT)/ldflags.txt $(MASTER_OUTPUT)/obj.txt | $(BEGIN)
@$(SILENT) || printf "$(MSG_LINKING) $@" | $(AWK_CMD)
$(eval CMD=MAKE=$(MAKE) $(CC) $(ALL_CFLAGS) $(filter-out %.txt,$^) --output $@ $(LDFLAGS))
$(eval CMD=MAKE=$(MAKE) $(CC) $(ALL_CFLAGS) $(call uniq,$(OBJ)) --output $@ $(LDFLAGS))
@$(BUILD_CMD)