Makefile-icon

# To update the icon run make -f Makefile-icon
# Requires:
# autoconf, automake, libtool, pkg-config, pngquant

ICONDIR=./Resources/Images.xcassets/AppIcon.appiconset
OPTIMIZEDICONS=$(ICONDIR)/optimized_16x16.png $(ICONDIR)/optimized_32x32.png $(ICONDIR)/optimized_128x128.png $(ICONDIR)/optimized_512x512.png
DESTICON=Resources/AppIcon.icns

all: $(DESTICON)

libicns:
	git clone https://github.com/pornel/libicns.git

libicns/Makefile: libicns
	( cd libicns && autoreconf -vif && ./configure )

libicns/icnsutils/png2icns: libicns/Makefile
	( cd libicns && make -j8 )

optimized_%.png: icon_%.png
	pngquant -s1 -f -o $@ $<

$(DESTICON): libicns/icnsutils/png2icns $(OPTIMIZEDICONS)
	./libicns/icnsutils/png2icns $@ $(OPTIMIZEDICONS)