49 lines
1.4 KiB
Makefile
49 lines
1.4 KiB
Makefile
#
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# Common make rules for backend
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#
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# $PostgreSQL: pgsql/src/backend/common.mk,v 1.9 2009/08/07 20:50:22 petere Exp $
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#
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# When including this file, set OBJS to the object files created in
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# this directory and SUBDIRS to subdirectories containing more things
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# to build.
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ifdef PARTIAL_LINKING
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# old style: linking using SUBSYS.o
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subsysfilename = SUBSYS.o
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else
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# new style: linking all object files at once
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subsysfilename = objfiles.txt
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endif
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SUBDIROBJS = $(SUBDIRS:%=%/$(subsysfilename))
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# top-level backend directory obviously has its own "all" target
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ifneq ($(subdir), src/backend)
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all: $(subsysfilename)
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endif
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SUBSYS.o: $(SUBDIROBJS) $(OBJS)
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$(LD) $(LDREL) $(LDOUT) $@ $^
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objfiles.txt: Makefile $(SUBDIROBJS) $(OBJS)
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# Don't rebuild the list if only the OBJS have changed.
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$(if $(filter-out $(OBJS),$?),( $(if $(SUBDIROBJS),cat $(SUBDIROBJS); )echo $(addprefix $(subdir)/,$(OBJS)) ) >$@,touch $@)
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# make function to expand objfiles.txt contents
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expand_subsys = $(foreach file,$(1),$(if $(filter %/objfiles.txt,$(file)),$(patsubst ../../src/backend/%,%,$(addprefix $(top_builddir)/,$(shell cat $(file)))),$(file)))
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# Parallel make trickery
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$(SUBDIROBJS): $(SUBDIRS:%=%-recursive) ;
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.PHONY: $(SUBDIRS:%=%-recursive)
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$(SUBDIRS:%=%-recursive):
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$(MAKE) -C $(subst -recursive,,$@) all
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clean: clean-local
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clean-local:
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ifdef SUBDIRS
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for dir in $(SUBDIRS); do $(MAKE) -C $$dir clean || exit; done
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endif
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rm -f $(subsysfilename) $(OBJS)
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