--- base/unix-dll.mak.orig	2015-10-05 10:21:11.000000000 +0200
+++ base/unix-dll.mak	2015-10-30 11:22:12.000000000 +0100
@@ -184,6 +184,7 @@ install-so-subtarget: so-subtarget
 	ln -s $(GS_SONAME_MAJOR_MINOR) $(DESTDIR)$(libdir)/$(GS_SONAME_MAJOR)
 	$(INSTALL_DATA) $(PSSRC)iapi.h $(DESTDIR)$(gsincludedir)iapi.h
 	$(INSTALL_DATA) $(PSSRC)ierrors.h $(DESTDIR)$(gsincludedir)ierrors.h
+	$(INSTALL_DATA) $(GLSRC)gserrors.h $(DESTDIR)$(gsincludedir)gserrors.h
 	$(INSTALL_DATA) $(DEVSRC)gdevdsp.h $(DESTDIR)$(gsincludedir)gdevdsp.h
 
 soinstall: