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Improved parallel make support

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Replace for loops in makefiles with proper dependencies.  Parallel
make can now span across directories.  Also, make -k and make -q work
properly.

GNU make 3.80 or newer is now required.
This commit is contained in:
Peter Eisentraut
2010-11-12 22:15:16 +02:00
parent d6754f67b0
commit 19e231bbda
30 changed files with 156 additions and 179 deletions
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6
src/backend/common.mk
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@@ -34,15 +34,13 @@ objfiles.txt: Makefile $(SUBDIROBJS) $(OBJS)
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) ;
$(SUBDIROBJS): | $(SUBDIRS:%=%-recursive) ;
.PHONY: $(SUBDIRS:%=%-recursive)
$(SUBDIRS:%=%-recursive):
$(MAKE) -C $(subst -recursive,,$@) all
$(call recurse,clean)
clean: clean-local
clean-local:
ifdef SUBDIRS
for dir in $(SUBDIRS); do $(MAKE) -C $$dir clean || exit; done
endif
rm -f $(subsysfilename) $(OBJS)