all: libglee.a libglee.so

MAJOR=0d1
MINOR=0

SOURCES = $(shell find . -name "*.c")

SHARED_OBJS = $(SOURCES:.c=.shared.o)
STATIC_OBJS = $(SOURCES:.c=.static.o)

CFLAGS= -O2 -g -Wall
EXTRA_CFLAGS=-I.
STATIC_CFLAGS= $(CFLAGS) $(EXTRA_CFLAGS)
SHARED_CFLAGS= $(STATIC_CFLAGS) -fPIC

LDFLAGS= -Wl,-z,defs -Wl,--as-needed -Wl,--no-undefined
EXTRA_LDFLAGS=
LIBS=-lGL
EXTRA_LIBS=

MULTIARCH=

libglee.so.$(MAJOR).$(MINOR): $(SHARED_OBJS)
	g++ $(LDFLAGS) $(EXTRA_LDFLAGS) -shared \
		-Wl,-soname,libglee.so.$(MAJOR) \
		-o libglee.so.$(MAJOR).$(MINOR) \
		$+ -o $@ $(EXTRA_LIBS) $(LIBS)

libglee.so: libglee.so.$(MAJOR).$(MINOR)
	rm -f $@.$(MAJOR)
	ln -s $@.$(MAJOR).$(MINOR) $@.$(MAJOR)
	rm -f $@
	ln -s $@.$(MAJOR) $@

libglee.a: $(STATIC_OBJS)
	ar cru $@ $+

%.shared.o: %.cpp
	g++ -o $@ -c $+ $(SHARED_CFLAGS)

%.shared.o: %.c
	gcc -o $@ -c $+ $(SHARED_CFLAGS)

%.so : %.o
	g++ $(LDFLAGS) $(EXTRA_LDFLAGS) -shared $^ -o $@

%.static.o: %.cpp
	g++ -o $@ -c $+ $(STATIC_CFLAGS)

%.static.o: %.c
	gcc -o $@ -c $+ $(STATIC_CFLAGS)

clean:
	rm -f $(SHARED_OBJS)
	rm -f $(STATIC_OBJS)
	rm -f $(FIXED_OBJS)
	rm -f $(STATIC_FIXED_OBJS)
	rm -f *.so *.so* *.a *~

DESTDIR=

install: libglee.a libglee.so
	mkdir -p "$(DESTDIR)/usr/lib/$(MULTIARCH)/"
	cp -a *.a "$(DESTDIR)/usr/lib/$(MULTIARCH)/"
	cp -a *.so* "$(DESTDIR)/usr/lib/$(MULTIARCH)/"
	mkdir -p "$(DESTDIR)/usr/include/GL/"
	cp *.h "$(DESTDIR)/usr/include/GL/"
