Fix export of registration function when using MinGW

Cantera · Feb 3, 2023 · 36ccb1b · 36ccb1b
1 parent 6910c8d
commit 36ccb1b
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Showing 2 changed files with 10 additions and 5 deletions.
diff --git a/include/cantera/extensions/PythonExtensionManager.h b/include/cantera/extensions/PythonExtensionManager.h
@@ -8,9 +8,6 @@
 
 #include "cantera/base/ExtensionManager.h"
 
-#define BOOST_DLL_USE_STD_FS
-#include <boost/dll/alias.hpp>
-
 namespace Cantera
 {
 
@@ -44,8 +41,6 @@ class PythonExtensionManager : public ExtensionManager
     static bool s_imported;
 };
 
-BOOST_DLL_ALIAS(Cantera::PythonExtensionManager::registerSelf, registerPythonExtensionManager);
-
 }
 
 #endif
diff --git a/src/extensions/PythonExtensionManager.cpp b/src/extensions/PythonExtensionManager.cpp
@@ -20,6 +20,16 @@
 #include <windows.h>
 #endif
 
+#define BOOST_DLL_USE_STD_FS
+#ifdef __MINGW32__
+#define BOOST_DLL_FORCE_ALIAS_INSTANTIATION
+#endif
+#include <boost/dll/alias.hpp>
+
+// This creates and exports the name that is imported from Application::loadExtension
+BOOST_DLL_ALIAS(Cantera::PythonExtensionManager::registerSelf,
+                registerPythonExtensionManager);
+
 namespace ba = boost::algorithm;
 using namespace std;