From 4aefcb5cc29751ffbbf9c1ba505889f9aead8c05 Mon Sep 17 00:00:00 2001
From: wmayer <wmayer@users.sourceforge.net>
Date: Wed, 5 Oct 2022 21:47:47 +0200
Subject: [PATCH] Base: fix build failure with MSVC

---
 src/Base/Builder3D.cpp | 6 ++++--
 src/Base/Builder3D.h   | 2 +-
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/Base/Builder3D.cpp b/src/Base/Builder3D.cpp
index 62435301d6..dc1a375152 100644
--- a/src/Base/Builder3D.cpp
+++ b/src/Base/Builder3D.cpp
@@ -1119,7 +1119,7 @@ bool InventorLoader::isValid() const
 }
 
 namespace Base {
-Vector3f to_vector(std::string str)
+BaseExport Vector3f to_vector(std::string str)
 {
     std::string_view view = str;
     if (!boost::starts_with(view, "(") || !boost::ends_with(str, ")"))
@@ -1128,8 +1128,10 @@ Vector3f to_vector(std::string str)
     view.remove_prefix(1);
     view.remove_suffix(1);
 
+    str = view;
+
     boost::char_separator<char> sep(" ,");
-    boost::tokenizer<boost::char_separator<char> > tokens(view, sep);
+    boost::tokenizer<boost::char_separator<char> > tokens(str, sep);
     std::vector<std::string> token_results;
     token_results.assign(tokens.begin(), tokens.end());
 
diff --git a/src/Base/Builder3D.h b/src/Base/Builder3D.h
index f9d5664640..06f5848e60 100644
--- a/src/Base/Builder3D.h
+++ b/src/Base/Builder3D.h
@@ -407,7 +407,7 @@ private:
  * If it fails then a std::exception is thrown.
  * Supported type names are float or double
  */
-Base::Vector3f to_vector(std::string);
+BaseExport Base::Vector3f to_vector(std::string);
 
 } //namespace Base