#
# Makefile for generating ir using SOUL  
#

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

GCCOPTIONS := -Ofast -I../../architecture -Iarchs -pthread -std=c++17
outdir ?= soul/double
lang ?= cpp
ext  ?= o
arch ?= impulsesoul.cpp
precision ?=		# filesCompare precision (empty by default)
FAUSTOPTIONS ?= 

.PHONY: test 

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

SRCDIR := tools

#########################################################################
soul:  impulsesoul ir/$(outdir) $(call listfiles,$(outdir))

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

help:
	@echo "-------- FAUST impulse response tests --------"
	@echo "Available targets are:"
	@echo " 'soul' (default): check the double output using the SOUL backend"
	@echo
	@echo "Options:"
	@echo " 'outdir' 	   : define the output directory (default to 'soul')"
	@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

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

#########################################################################
# rules for soul

# 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 SOUL backend"
	
ir/$(outdir)/%.ir: dsp/%.dsp reference/%.ir
	faust -lang soul-dsp -cn souldsp $(FAUSTOPTIONS) $< -o souldsp.soul
	soul generate --cpp souldsp.soul --output=souldsp.h
	$(CXX) $(GCCOPTIONS) archs/$(arch) -o impulsesoul
	./impulsesoul > $@
	$(COMPARE) $@ reference/$(notdir $@) $(precision) || (rm -f $@; false)
