--- src/crass/Makefile.am	2016-09-05 22:21:46.000000000 +0200
+++ src/crass/Makefile.am2	2019-04-05 13:50:43.025159761 +0200
@@ -8,7 +8,7 @@
 AM_CXXFLAGS = @XERCES_CPPFLAGS@ -pedantic -Wall
 AM_LDFLAGS = @XERCES_LDFLAGS@ @zlib_flags@ @XERCES_LIBS@
 
-crass_LDADD = libcrass.a $(top_builddir)/src/aho-corasick/libacism.a
+crass_LDADD = libcrass.a $(top_builddir)/src/aho-corasick/libacism.a @XERCES_LDFLAGS@ @zlib_flags@ @XERCES_LIBS@
 
 crisprtools_LDADD = @GV_LIBS@ 
 
