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#
# Common make rules for backend
#
# src/backend/common.mk
#
# When including this file, set OBJS to the object files created in
# this directory and SUBDIRS to subdirectories containing more things
# to build.
subsysfilename = objfiles.txt
SUBDIROBJS = $(SUBDIRS:%=%/$(subsysfilename))
# top-level backend directory obviously has its own "all" target
ifneq ($(subdir), src/backend)
all: $(subsysfilename)
endif
SUBSYS.o: $(SUBDIROBJS) $(OBJS)
$(LD) $(LDREL) $(LDOUT) $@ $^
objfiles.txt: Makefile $(SUBDIROBJS) $(OBJS)
# Don't rebuild the list if only the OBJS have changed.
$(if $(filter-out $(OBJS),$?),( $(if $(SUBDIROBJS),cat $(SUBDIROBJS); )echo $(addprefix $(subdir)/,$(OBJS)) ) >$@,touch $@)
ifeq ($(with_llvm), yes)
objfiles.txt: $(patsubst %.o,%.bc, $(OBJS))
endif
# make function to expand objfiles.txt contents
expand_subsys = $(foreach file,$(1),$(if $(filter %/objfiles.txt,$(file)),$(patsubst ../../src/backend/%,%,$(addprefix $(top_builddir)/,$(shell cat $(file)))),$(file)))
# Parallel make trickery
$(SUBDIROBJS): $(SUBDIRS:%=%-recursive) ;
.PHONY: $(SUBDIRS:%=%-recursive)
$(SUBDIRS:%=%-recursive):
$(MAKE) -C $(subst -recursive,,$@) all
$(call recurse,clean)
clean: clean-local
clean-local:
rm -f $(subsysfilename) $(OBJS) $(patsubst %.o,%.bc, $(OBJS))
$(call recurse,coverage)
$(call recurse,install)
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