Makefile

top_srcdir =
top_builddir =
this_srcdir =

all:

include config.mk
include Makefile.local
include makefiles/Makefile.common

config.mk:
	touch $@

#####################################################
#
#  Alternate build dir generation
#
#####################################################

BUILTIN_CONFIG_MK_SOURCES := $(wildcard makefiles/config.mk.*)
BUILTIN_CONFIGS := \
	$(patsubst makefiles/config.mk.%,%,$(BUILTIN_CONFIG_MK_SOURCES))
BUILTIN_CONFIG_MK_DESTS := $(addsuffix /config.mk,$(BUILTIN_CONFIGS))
BUILTIN_CONFIG_MAKEFILES := $(addsuffix /Makefile,$(BUILTIN_CONFIGS))

$(BUILTIN_CONFIG_MK_DESTS): %/config.mk: makefiles/config.mk.%
	@mkdir -p $*
	ln -s ../$< $*/config.mk

$(BUILTIN_CONFIG_MAKEFILES): %/Makefile: $(top_srcdir)makefiles/Makefile.common
	@mkdir -p $*
	@echo '# This file is autogenerated.  Do not edit it' > $@
	@echo 'top_srcdir = ../' >> $@
	@echo 'top_builddir = ' >> $@
	@echo 'this_srcdir = ../' >> $@
	@echo 'this_srcdir = ../' >> $@
	@echo >> $@
	@echo 'all:' >> $@
	@echo >> $@
	@echo 'include $$(top_builddir)config.mk' >> $@
	@echo 'include ../Makefile.local' >> $@
	@echo 'include $$(top_srcdir)makefiles/Makefile.common' >> $@

$(BUILTIN_CONFIGS): %: %/Makefile %/config.mk
	$(MAKE) -C $* all