Changeset 3831 in Sophya for trunk/SophyaLib/BaseTools/machdefs_mkmf.h

Timestamp:

Aug 5, 2010, 2:16:20 PM (15 years ago)

Author:

ansari

Message:

Introduction et gestion du flag preprocesseur NEED_EXT_DECL_TEMP pour declaration extern des classes template avec instantiation explicite (pb dynamic_cast sur Mac OS 10.6), Reza 05/08/2010

File:

• trunk/SophyaLib/BaseTools/machdefs_mkmf.h (modified) (3 diffs)

trunk/SophyaLib/BaseTools/machdefs_mkmf.h

@@ -145 +145 @@
 /*   DECL_TEMP_SPEC        : Template specialization declaration           */
 /*   TSNMLUPG4             : Two stage name look-up scheme (g++>3.4)       */
+/*   NEED_EXT_DECL_TEMP    : extern declaration for template classes       */
 
 
@@ -175 +176 @@
 #undef TSNMLUPG4
 #endif
+
+
+/*  Dynamic_cast problem encountered on Mac OS X 10.6 for explicitly instanciated classes across
+    dynamic libraries. solved by extern declaration of  explicitly instanciated template classes */
+#ifndef NEED_EXT_DECL_TEMP
+#define NEED_EXT_DECL_TEMP
+#endif
+
 
 /* now the specific things */
@@ -208 +217 @@
 #define __CXX_PRAGMA_TEMPLATES__
 #define PRAGMA_TEMPLATES
+#undef NEED_EXT_DECL_TEMP   /* old compiler version cxx 6.5 - we don't activate extern declaration */
 #endif