src/backend/common.mk

   1 #
   2 # Common make rules for backend
   3 #
   4 # $PostgreSQL$
   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
  11 ifdef PARTIAL_LINKING
  12 # old style: linking using SUBSYS.o
  13 subsysfilename = SUBSYS.o
  14 else
  15 # new style: linking all object files at once
  16 subsysfilename = objfiles.txt
  17 endif
  18
  19 SUBDIROBJS = $(SUBDIRS:%=%/$(subsysfilename))
  20
  21 # top-level backend directory obviously has its own "all" target
  22 ifneq ($(subdir), src/backend)
  23 all: $(subsysfilename)
  24 endif
  25
  26 SUBSYS.o: $(SUBDIROBJS) $(OBJS)
  27         $(LD) $(LDREL) $(LDOUT) $@ $^
  28
  29 objfiles.txt: Makefile $(SUBDIROBJS) $(OBJS)
  30 # Don't rebuild the list if only the OBJS have changed.
  31         $(if $(filter-out $(OBJS),$?),( $(if $(SUBDIROBJS),cat $(SUBDIROBJS); )echo $(addprefix $(subdir)/,$(OBJS)) ) >$@,touch $@)
  32
  33 # make function to expand objfiles.txt contents
  34 expand_subsys = $(foreach file,$(1),$(if $(filter %/objfiles.txt,$(file)),$(patsubst ../../src/backend/%,%,$(addprefix $(top_builddir)/,$(shell cat $(file)))),$(file)))
  35
  36 # Parallel make trickery
  37 $(SUBDIROBJS): $(SUBDIRS:%=%-recursive) ;
  38
  39 .PHONY: $(SUBDIRS:%=%-recursive)
  40 $(SUBDIRS:%=%-recursive):
  41         $(MAKE) -C $(subst -recursive,,$@) all
  42
  43 clean: clean-local
  44 clean-local:
  45 ifdef SUBDIRS
  46         for dir in $(SUBDIRS); do $(MAKE) -C $$dir clean || exit; done
  47 endif
  48         rm -f $(subsysfilename) $(OBJS)
  49
  50
  51 coverage: $(gcda_files:.gcda=.c.gcov) lcov.info
  52 ifdef SUBDIRS
  53         for dir in $(SUBDIRS); do $(MAKE) -C $$dir coverage || exit; done
  54 endif