[LLVMbugs] [Bug 10978] New: dllexport/dllimport attributes not fully implemented

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Wed Sep 21 08:49:37 PDT 2011


           Summary: dllexport/dllimport attributes not fully implemented
           Product: clang
           Version: trunk
          Platform: PC
        OS/Version: Windows NT
            Status: NEW
          Severity: normal
          Priority: P
         Component: Frontend
        AssignedTo: unassignedclangbugs at nondot.org
        ReportedBy: vanboxem.ruben at gmail.com
                CC: llvmbugs at cs.uiuc.edu

While compiling Qt with Clang (partially) on Windows 32-bit (i686-w64-mingw32),
I ran into:

warning: 'dllexport' attribute only applies to variables and functions
class Q_CORE_EXPORT QTextDecoder {
note: expanded from:
note: expanded from:
#    define Q_DECL_EXPORT __declspec(dllexport)
<built-in>:132:38: note: expanded from:
#define __declspec(a) __attribute__((a))
43 warnings generated.

This is not right. You can dllexport/dllimport full classes too.
On top of this, x86_64-w64-mingw32 emits warnings about ignored
dllexport/dllimport regardless.

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