there's no point in using -I/-L flags to the system paths and this breaks
cross-compiling.  just drop them.

--- a/src/Makefile
+++ b/src/Makefile
@@ -60,7 +60,7 @@
 SWIG_CFLAGS += -Wno-error -Wno-unused-but-set-variable -Wno-unused-variable -Wno-shadow \
 		-Wno-unused-parameter
 
-override CFLAGS += -I../include -I$(INCLUDEDIR) -D_GNU_SOURCE 
+override CFLAGS += -I../include -D_GNU_SOURCE
 RANLIB=ranlib
 
 SWIG = swig -Wall -python -o $(SWIGCOUT) -outdir ./
@@ -82,17 +82,17 @@
 	$(CC) $(CFLAGS) $(SWIG_CFLAGS) $(RUBYINC) -fPIC -DSHARED -c -o $@ $<
 
 $(SWIGSO): $(SWIGLOBJ)
-	$(CC) $(CFLAGS) $(LDFLAGS) -shared -o $@ $< -L. -lsemanage -L$(LIBDIR)
+	$(CC) $(CFLAGS) $(LDFLAGS) -shared -o $@ $< -L. -lsemanage
 
 $(SWIGRUBYSO): $(SWIGRUBYLOBJ)
-	$(CC) $(CFLAGS) $(LDFLAGS) -shared -o $@ $^ -L. -lsemanage -L$(LIBDIR)
+	$(CC) $(CFLAGS) $(LDFLAGS) -shared -o $@ $^ -L. -lsemanage
 
 $(LIBA): $(OBJS)
 	$(AR) rcs $@ $^
 	$(RANLIB) $@
 
 $(LIBSO): $(LOBJS)
-	$(CC) $(CFLAGS) $(LDFLAGS) -shared -o $@ $^ -lsepol -laudit -lselinux -lbz2 -lustr -L$(LIBDIR) -Wl,-soname,$(LIBSO),--version-script=libsemanage.map,-z,defs
+	$(CC) $(CFLAGS) $(LDFLAGS) -shared -o $@ $^ -lsepol -laudit -lselinux -lbz2 -lustr -Wl,-soname,$(LIBSO),--version-script=libsemanage.map,-z,defs
 	ln -sf $@ $(TARGET)
 
 $(LIBPC): $(LIBPC).in ../VERSION