fix metis build on mac

Belonging to [master]:
  - #2883

Author: adrpo

Makefile.common

@@ -318,7 +318,7 @@ libzmq-clean:
 
 metis: $(OMBUILDDIR)/$(LIB_OMC)/libmetis$(STAEXT)
 $(OMBUILDDIR)/$(LIB_OMC)/libmetis$(STAEXT): 3rdParty/metis-5.1.0/CMakeLists.txt
-	(cd 3rdParty/metis-5.1.0 && $(CMAKE) -DCMAKE_VERBOSE_MAKEFILE:Bool=ON -G $(CMAKE_TARGET) && CC="$(CC)" CFLAGS="$(CFLAGS)" make)
+	(cd 3rdParty/metis-5.1.0 && $(CMAKE) ./ -DCMAKE_VERBOSE_MAKEFILE:Bool=ON -G $(CMAKE_TARGET) && CC="$(CC)" CFLAGS="$(CFLAGS)" make)
 	cp 3rdParty/metis-5.1.0/libmetis/libmetis$(STAEXT) $(OMBUILDDIR)/$(LIB_OMC)/libmetis$(STAEXT)
 metis-clean:
 	test ! -f 3rdParty/metis-5.1.0/Makefile || make -C 3rdParty/metis-5.1.0 clean