Earnie wrote:
> I've been building libxml2-2.7.8 and have been having a heck of a
> time getting xmlcatalog to work with a shared DLL library. I've
> finally confirmed that the issue is caused by optimizations with -O2
> or -O1. If I use -O0 the issue goes away. The effect is the
> xmlIsPubidChar_tab array is seen by xmlcatalog to contain all 0x00
> values. I'm using GCC-4.6.1 and binutils-2.21.53.20110804 as
> delivered by MinGW. I wanted give this list a report of what I've
> found in the event others come by, they may have already.
>
The attached small patch resolves this issue.
It was however suggested that XMLPUBVAR_DEF be created for the
'__declspec(dllexport) extern' and XMLPUBVAR_DEF be used in the header
fiel while XMLPUBVAR be used in the code. Since XMLPUBVAR isn't used in
the code I chose the simpler patch. The patch also removes some
warnings I was seeing during the build.
--
Earnie
-- https://sites.google.com/site/earnieboyd/
diff --git a/include/libxml/xmlexports.h b/include/libxml/xmlexports.h
index 9c6790c..c6516b4 100644
--- a/include/libxml/xmlexports.h
+++ b/include/libxml/xmlexports.h
@@ -115,7 +115,7 @@
*/
#if defined(IN_LIBXML) && !defined(LIBXML_STATIC)
#define XMLPUBFUN __declspec(dllexport)
- #define XMLPUBVAR __declspec(dllexport)
+ #define XMLPUBVAR __declspec(dllexport) extern
#else
#define XMLPUBFUN
#if !defined(LIBXML_STATIC)
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