Fix compilation errors in globals.c with MinGW/gcc -xc++

error: external linkage required for symbol 'PL_charclass' because of
'dllexport' attribute

and likewise for many other symbols declared EXTCONST.

diff --git a/INTERN.h b/INTERN.h
index da3057a..39b48f4 100644 (file)
--- a/INTERN.h
+++ b/INTERN.h
@@ -29,10 +29,17 @@
 #  define dEXTCONST globaldef {"$GLOBAL_RO_VARS"} readonly
 #else
 #  if (defined(WIN32) && defined(__MINGW32__)) || defined(__SYMBIAN32__)
-#    define EXT                __declspec(dllexport)
-#    define dEXT
-#    define EXTCONST   __declspec(dllexport) const
-#    define dEXTCONST  const
+#    ifdef __cplusplus
+#      define EXT      __declspec(dllexport)
+#      define dEXT
+#      define EXTCONST __declspec(dllexport) extern const
+#      define dEXTCONST        const
+#    else
+#      define EXT      __declspec(dllexport)
+#      define dEXT
+#      define EXTCONST __declspec(dllexport) const
+#      define dEXTCONST        const
+#    endif
 #  else
 #    ifdef __cplusplus
 #      define EXT