add GTSAM_EXPORT tags

gtsam/discrete/SignatureParser.h

@@ -47,7 +47,7 @@ namespace gtsam {
  *
  * Also fails if the rows are not of the same size.
  */
-struct SignatureParser {
+struct GTSAM_EXPORT SignatureParser {
   using Row = std::vector<double>;
   using Table = std::vector<Row>;
 

gtsam_unstable/linear/QPSParser.h

@@ -18,12 +18,13 @@
 
 #pragma once
 
+#include <gtsam_unstable/dllexport.h>
 #include <gtsam_unstable/linear/QP.h>
 #include <fstream>
 
 namespace gtsam {
 
-class QPSParser {
+class GTSAM_UNSTABLE_EXPORT QPSParser {
 
 private:
   std::string fileName_;