# Copyright (c) 2012, Thingsquare, www.thingsquare.com.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
# 3. Neither the name of the Institute nor the names of its contributors
#    may be used to endorse or promote products derived from this software
#    without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# SUCH DAMAGE.

all: clean summary

build: examples tools

# The stuff below is some GNU make magic to automatically make make
# give each compile test a number, prefixed with a 0 if the number is
# < 10, to match the way the simulation tests output works.
nine := x x x x x x x x x
max = $(subst xx,x,$(join ${1},${2}))
gt = $(filter-out $(words ${1}),$(words $(call max,${1},${2})))
addzero = $(if $(call gt,${nine},$(1)),$(words ${1}),0$(words ${1}))
get_target = $(firstword $(subst :, ,$1))
get_target_vars = $(wordlist 2,15,$(subst :, ,$1))

define dooneexample
@echo Building example $(3): $(1) $(4) for target $(2)
@((cd $(EXAMPLESDIR)/$(1); \
 make $(4) TARGET=$(2) clean && make $(4) TARGET=$(2) WERROR=1) > \
      $(3)-$(subst /,-,$(1))$(2).report 2>&1 && \
 (echo $(1) $(2): OK | tee $(3)-$(subst /,-,$(1))$(2).summary) || \
 (echo $(1) $(2): FAIL ಠ.ಠ | tee $(3)-$(subst /,-,$(1))$(2).summary ; \
  tail -10 $(3)-$(subst /,-,$(1))$(2).report | tee $(3)-$(subst /,-,$(1))$(2).faillog))
endef

define doexample
$(eval i+=x)
$(call dooneexample,$(dir $(call get_target,${1})),$(notdir $(call get_target,${1})),$(call addzero,${i}),$(call get_target_vars,${1}))
endef
#end of GNU make magic


examples:
	$(foreach ex, $(EXAMPLES), $(call doexample, ${ex}))

report: build
	@echo Examples | cat - ??-*.report > report
	@echo Tools | cat - $(foreach tool, $(TOOLS), $(tool).report) >> report

examples-summary: build
	@echo Example summary | cat - $(foreach example, $(EXAMPLES), \
             $(foreach target, $(EXAMPLESTARGETS), $(example)-$(target).summary)) > \
               $@
	@echo Tools summary | cat - $(foreach tool, $(TOOLS), $(tool).summary) >> $@

faillog-summary: build
	@rm -f $@; touch $@
	@$(foreach log, $(wildcard *.faillog), grep -H '' $(log) >> $@;)

summary: examples-summary faillog-summary
	@cat *.summary > $@
	@ls -1 ??-*.faillog > /dev/null 2>&1; [ $$? = 0 ] && tail -v ??-*.faillog >> $@ || true
	@rm -f $^

tools:
	@$(foreach tool, $(TOOLS), \
           (((cd $(TOOLSDIR)/$(tool); make) > $(tool).report 2>&1) && \
             (echo $(tool): OK | tee $(tool).summary) || \
             (echo $(tool): FAIL | tee $(tool).summary ; \
                tail -10 $(tool).report > $(tool).faillog)) ; )

clean:
	@rm -f *.summary *.report *.faillog summary report
	@$(foreach example, $(EXAMPLES), \
           $(foreach target, $(EXAMPLESTARGETS), \
             (cd $(EXAMPLESDIR)/$(example); make TARGET=$(target) clean);))
	@$(foreach tool, $(TOOLS), \
           (cd $(TOOLSDIR)/$(tool); make clean);)