1# 2# Common make rules for backend 3# 4# src/backend/common.mk 5# 6 7# When including this file, set OBJS to the object files created in 8# this directory and SUBDIRS to subdirectories containing more things 9# to build. 10 11subsysfilename = objfiles.txt 12 13SUBDIROBJS = $(SUBDIRS:%=%/$(subsysfilename)) 14 15# top-level backend directory obviously has its own "all" target 16ifneq ($(subdir), src/backend) 17all: $(subsysfilename) 18endif 19 20SUBSYS.o: $(SUBDIROBJS) $(OBJS) 21 $(LD) $(LDREL) $(LDOUT) $@ $^ 22 23objfiles.txt: Makefile $(SUBDIROBJS) $(OBJS) 24# Don't rebuild the list if only the OBJS have changed. 25 $(if $(filter-out $(OBJS),$?),( $(if $(SUBDIROBJS),cat $(SUBDIROBJS); )echo $(addprefix $(subdir)/,$(OBJS)) ) >$@,touch $@) 26 27ifeq ($(with_llvm), yes) 28objfiles.txt: $(patsubst %.o,%.bc, $(OBJS)) 29endif 30 31# make function to expand objfiles.txt contents 32expand_subsys = $(foreach file,$(1),$(if $(filter %/objfiles.txt,$(file)),$(patsubst ../../src/backend/%,%,$(addprefix $(top_builddir)/,$(shell cat $(file)))),$(file))) 33 34# Parallel make trickery 35$(SUBDIROBJS): $(SUBDIRS:%=%-recursive) ; 36 37.PHONY: $(SUBDIRS:%=%-recursive) 38$(SUBDIRS:%=%-recursive): 39 $(MAKE) -C $(subst -recursive,,$@) all 40 41$(call recurse,clean) 42clean: clean-local 43clean-local: 44 rm -f $(subsysfilename) $(OBJS) $(patsubst %.o,%.bc, $(OBJS)) 45 46$(call recurse,coverage) 47$(call recurse,install) 48