#
# Makefile for generating ir using interp  
#

system := $(shell uname -s)
system := $(shell echo $(system) | grep MINGW > /dev/null && echo MINGW || echo $(system))
ifeq ($(system), MINGW)
 FAUST ?= ../../build/bin/faust.exe
 COMPARE := ./filesCompare.exe
else
 FAUST ?= ../../build/bin/faust
 COMPARE := ./filesCompare
endif
MAKE ?= make

outdir ?= interp
lang ?= interp
precision ?=		# filesCompare precision (empty by default)
FAUSTOPTIONS ?= 

.PHONY: test 

dspfiles := $(wildcard dsp/*.dsp)
listfiles = $(dspfiles:dsp/%.dsp=ir/$1/%.ir) 

SRCDIR := tools

#########################################################################
interp:  impulseinterp ir/$(outdir) $(call listfiles,$(outdir))

test:
	@echo $(call listfiles,$(outdir))

help:
	@echo "-------- FAUST impulse response tests --------"
	@echo "Available targets are:"
	@echo " 'interp' (default): check the double output using the interp backend"
	@echo
	@echo "Options:"
	@echo " 'outdir' 	   : define the output directory (default to 'llvm')"
	@echo " 'FAUSTOPTIONS' : define additional faust options (empty by default)"
    @echo " 'precision'    : define filesCompare expected precision (empty by default)"

#########################################################################
# output directories
ir/$(outdir):
	mkdir -p ir/$(outdir)


#########################################################################
# tools
filesCompare: $(SRCDIR)/filesCompare.cpp
	$(MAKE) filesCompare

impulseinterp: $(SRCDIR)/impulseinterp.cpp $(LIB)
	$(MAKE) impulseinterp


#########################################################################
# precision issues

#########################################################################
# rules for interp

# Specific rule to test 'control' primitive that currently uses the -lang ocpp backend (still compiling in scalar mode...)
ir/$(outdir)/control.ir: dsp/control.dsp reference/control.ir
	@echo "Cannot be tested with the Interp backend"

ir/$(outdir)/%.ir: dsp/%.dsp reference/%.ir
	cd $(dir $<); ../impulseinterp $(notdir $<) -I dsp -double $(FAUSTOPTIONS) > ../$@ || (rm -f ../$@; false)
	$(COMPARE) $@ reference/$(notdir $@) $(precision) || (rm -f $@; false)



