Description: Use the correct library naming scheme on OS X. It differs from other UNIX-based systems.
Author: Clemens Lang <cal@macports.org>
v2: Make sure only the first three digits are used for current_version. (Mihai Moldovan)

--- a/nxcompext/Makefile.in
+++ b/nxcompext/Makefile.in
@@ -82,9 +82,18 @@ DEPENDINCLUDES =  -I/usr/include/c++ -I/
 LIBRARY = Xcompext
 
 LIBNAME    = lib$(LIBRARY)
+ifeq ($(shell uname),Darwin)
+LIBFULL    = lib$(LIBRARY).$(VERSION).dylib
+LIBLOAD    = lib$(LIBRARY).$(LIBVERSION).dylib
+LIBSHARED  = lib$(LIBRARY).dylib
+COMP_VER   = $(shell echo '$(VERSION)' | cut -d '.' -f 1-3)
+LIBFLAGS   = -install_name $(libdir)/$(LIBLOAD) -compatibility_version $(LIBVERSION) -current_version $(COMP_VER)
+else
 LIBFULL    = lib$(LIBRARY).so.$(VERSION)
 LIBLOAD    = lib$(LIBRARY).so.$(LIBVERSION)
 LIBSHARED  = lib$(LIBRARY).so
+LIBFLAGS   =
+endif
 LIBARCHIVE = lib$(LIBRARY).a
 
 LIBCYGSHARED  = cyg$(LIBRARY).dll
@@ -113,7 +122,7 @@ COBJ   = $(CSRC:.c=.o)
 CXXOBJ = $(CXXSRC:.cpp=.o)
 
 $(LIBFULL):	 $(CXXOBJ) $(COBJ)
-		 $(CXX) -o $@ $(LDFLAGS) $(CXXOBJ) $(COBJ) $(LIBS)
+		 $(CXX) -o $@ $(LDFLAGS) $(LIBFLAGS) $(CXXOBJ) $(COBJ) $(LIBS)
 
 $(LIBLOAD):	 $(LIBFULL)
 		 rm -f $(LIBLOAD)
@@ -159,8 +168,8 @@ install.lib: all
 	./mkinstalldirs $(DESTDIR)${libdir}
 	./mkinstalldirs $(DESTDIR)${includedir}/nx
 	$(INSTALL_DATA) $(LIBFULL)              $(DESTDIR)${libdir}
-	$(INSTALL_LINK) libXcompext.so.3	$(DESTDIR)${libdir}
-	$(INSTALL_LINK) libXcompext.so          $(DESTDIR)${libdir}
+	$(INSTALL_LINK) $(LIBLOAD)              $(DESTDIR)${libdir}
+	$(INSTALL_LINK) $(LIBSHARED)            $(DESTDIR)${libdir}
 	$(INSTALL_DATA) NX*.h                   $(DESTDIR)${includedir}/nx
 	echo "Running ldconfig tool, this may take a while..." && ldconfig || true
 
@@ -172,8 +181,8 @@ uninstall.bin:
 
 uninstall.lib:
 	$(RM_FILE) $(DESTDIR)${libdir}/$(LIBFULL)
-	$(RM_FILE) $(DESTDIR)${libdir}/libXcompext.so.3
-	$(RM_FILE) $(DESTDIR)${libdir}/libXcompext.so
+	$(RM_FILE) $(DESTDIR)${libdir}/$(LIBLOAD)
+	$(RM_FILE) $(DESTDIR)${libdir}/$(LIBSHARED)
 	$(RM_FILE) $(DESTDIR)${includedir}/nx/NXlib.h
 	$(RM_FILE) $(DESTDIR)${includedir}/nx/NXlibint.h
 	echo "Running ldconfig tool, this may take a while..." && ldconfig || true