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# You can configure these
PREFIX ?= /usr/local
LIBDIR ?= $(PREFIX)/lib
INCLUDEDIR ?= $(PREFIX)/include
PKGCONFIGDIR ?= $(LIBDIR)/pkgconfig
DESTDIR ?= ""
VERSION=$(shell grep '^version = "4' Cargo.toml | grep -Eo "4\.[0-9.]+")
STATICLIB=libimagequant.a
JNILIB=libimagequant.jnilib
JAVACLASSES = org/pngquant/LiqObject.class org/pngquant/PngQuant.class org/pngquant/Image.class org/pngquant/Result.class
JAVAHEADERS = $(JAVACLASSES:.class=.h)
JAVAINCLUDE = -I'$(JAVA_HOME)/include' -I'$(JAVA_HOME)/include/linux' -I'$(JAVA_HOME)/include/win32' -I'$(JAVA_HOME)/include/darwin'
PKGCONFIG = imagequant.pc
all: static
static: $(STATICLIB)
java: $(JNILIB)
$(STATICLIB): Cargo.toml
cargo build --release
cp ../target/release/libimagequant_sys.a $(STATICLIB)
$(JNILIB): $(JAVAHEADERS) $(STATICLIB) org/pngquant/PngQuant.c
# You may need to set LDFLAGS env var. See: cargo rustc -- --print native-static-libs
$(CC) -g $(CFLAGS) $(LDFLAGS) $(JAVAINCLUDE) -shared -o $@ org/pngquant/PngQuant.c $(STATICLIB)
$(JAVACLASSES): %.class: %.java
javac $<
$(JAVAHEADERS): %.h: %.class
javah -o $@ $(subst /,., $(patsubst %.class,%,$<)) && touch $@
example: example.c lodepng.h lodepng.c $(STATICLIB)
# remove -lpthread on Windows
# add -ldl on Linux
# You may need to set LDFLAGS env var. See: cargo rustc -- --print native-static-libs
$(CC) -g $(CFLAGS) -Wall example.c $(STATICLIB) -lm -lpthread $(LDFLAGS) -o example
lodepng.h:
curl -o lodepng.h -L https://raw.githubusercontent.com/lvandeve/lodepng/master/lodepng.h
lodepng.c:
curl -o lodepng.c -L https://raw.githubusercontent.com/lvandeve/lodepng/master/lodepng.cpp
clean:
rm -f $(SHAREDLIBVER) $(SHAREDLIB) $(STATICLIB)
rm -f $(JAVAHEADERS) $(JAVACLASSES) $(JNILIB) example
rm -rf ../target
distclean: clean
rm -f imagequant.pc
install: all $(PKGCONFIG)
install -d $(DESTDIR)$(LIBDIR)
install -d $(DESTDIR)$(PKGCONFIGDIR)
install -d $(DESTDIR)$(INCLUDEDIR)
install -m 644 $(STATICLIB) $(DESTDIR)$(LIBDIR)/$(STATICLIB)
install -m 644 $(PKGCONFIG) $(DESTDIR)$(PKGCONFIGDIR)/$(PKGCONFIG)
install -m 644 libimagequant.h $(DESTDIR)$(INCLUDEDIR)/libimagequant.h
$(FIX_INSTALL_NAME)
uninstall:
rm -f $(DESTDIR)$(LIBDIR)/$(STATICLIB)
rm -f $(DESTDIR)$(PKGCONFIGDIR)/$(PKGCONFIG)
rm -f $(DESTDIR)$(INCLUDEDIR)/libimagequant.h
$(PKGCONFIG): Cargo.toml
sed 's|@PREFIX@|$(PREFIX)|;s|@VERSION@|$(VERSION)|' < imagequant.pc.in > $(PKGCONFIG)
.PHONY: all static clean distclean java
.DELETE_ON_ERROR:
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