all: libGLee.so

MAJOR=5
MINOR=4

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

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

EXTRA_CFLAGS= $(CFLAGS)
SHARED_CFLAGS= -Wall $(EXTRA_CFLAGS) -fPIC

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

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) $@

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

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

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

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

DESTDIR=

install: libGLee.so
	install -d "$(DESTDIR)/usr/lib/"
	cp -a *.so* "$(DESTDIR)/usr/lib/"
	install -d "$(DESTDIR)/usr/include/"
	install -Dm644 *.h "$(DESTDIR)/usr/include/"
	install -d "$(DESTDIR)/usr/lib/pkgconfig/"
	install -Dm644 glee.pc "$(DESTDIR)/usr/lib/pkgconfig/"
	install -d  "$(DESTDIR)/usr/share/licenses/glee"
	sed '9,32!d' readme.txt > "$(DESTDIR)/usr/share/licenses/glee/LICENSE"