OpenPackage_Utils.c:96: error: 'XL_NS_PKG_REL' undeclared here (not in a function) OpenPackage_Utils.c: In function 'gsf_open_pkg_get_rels': OpenPackage_Utils.c:139: error: 'xlsx_ns' undeclared (first use in this function) OpenPackage_Utils.c:139: error: (Each undeclared identifier is reported only once OpenPackage_Utils.c:139: error: for each function it appears in.) OpenPackage_Utils.c:139: warning: passing argument 2 of 'gsf_xml_in_doc_new' from incompatible pointer type OpenPackage_Utils.c: In function 'gsf_open_pkg_parse_rel_by_id': OpenPackage_Utils.c:229: error: 'XLSXReadState' undeclared (first use in this function) OpenPackage_Utils.c:229: error: 'state' undeclared (first use in this function) OpenPackage_Utils.c:229: error: invalid operands to binary * OpenPackage_Utils.c:229: error: expected expression before ')' token OpenPackage_Utils.c:229: error: invalid operands to binary * OpenPackage_Utils.c:237: error: 'GsfXMLInNode' has no member named 'context' OpenPackage_Utils.c:247: warning: passing argument 3 of 'gsf_xml_in_doc_parse' discards qualifiers from pointer target type OpenPackage_Utils.c:248: error: 'GsfXMLInNode' has no member named 'context' OpenPackage_Utils.c:257: error: 'GsfXMLInNode' has no member named 'context' OpenPackage_Utils.c: At top level: OpenPackage_Utils.c:264: error: expected ')' before '*' token