noinst_HEADERS = icu_I18N.h
-pkginclude_HEADERS= backend.h base64.h \
+pkginclude_HEADERS= backend.h backtrace.h base64.h \
ccl.h ccl_xml.h cookie.h cql.h rpn2cql.h rpn2solr.h \
solr.h comstack.h \
diagbib1.h diagsrw.h diagsru_update.h sortspec.h log.h logrpn.h marcdisp.h \