avoiding warning because of missing define

[wxWidgets.git] / include / wx / dlimpexp.h

diff --git a/include/wx/dlimpexp.h b/include/wx/dlimpexp.h
index 6af0cd5f26a3c7917ee1e3fa9846a80735581ac2..8b88602f04d2f049e864dad4542ab3056d4fd483 100644 (file)
--- a/include/wx/dlimpexp.h
+++ b/include/wx/dlimpexp.h
@@ -16,7 +16,10 @@
 #ifndef _WX_DLIMPEXP_H_
 #define _WX_DLIMPEXP_H_
 
 #ifndef _WX_DLIMPEXP_H_
 #define _WX_DLIMPEXP_H_
 

-#if defined(__WXMSW__)
+#if defined(HAVE_VISIBILITY)
+#    define WXEXPORT __attribute__ ((visibility("default")))
+#    define WXIMPORT __attribute__ ((visibility("default")))
+#elif defined(__WINDOWS__)

     /*
        __declspec works in BC++ 5 and later, Watcom C++ 11.0 and later as well
        as VC++ and gcc
     /*
        __declspec works in BC++ 5 and later, Watcom C++ 11.0 and later as well
        as VC++ and gcc


@@ -48,6 +51,9 @@
 #        define WXEXPORT __declspec(export)
 #        define WXIMPORT __declspec(import)
 #    endif
 #        define WXEXPORT __declspec(export)
 #        define WXIMPORT __declspec(import)
 #    endif

+#elif defined(__CYGWIN__)
+#    define WXEXPORT __declspec(dllexport)
+#    define WXIMPORT __declspec(dllimport)

 #endif
 
 /* for other platforms/compilers we don't anything */
 #endif
 
 /* for other platforms/compilers we don't anything */


@@ -61,7 +67,7 @@
    support arbitrary combinations of libs/DLLs: either we build all of them as
    DLLs (in which case WXMAKINGDLL is defined) or none (it isn't).
 
    support arbitrary combinations of libs/DLLs: either we build all of them as
    DLLs (in which case WXMAKINGDLL is defined) or none (it isn't).
 

-   However we have a problem because we need separate WXDLLEXPORT versions for
+   However we have a problem because we need separate WXDLLIMPEXP versions for

    different libraries as, for example, wxString class should be dllexported
    when compiled in wxBase and dllimported otherwise, so we do define separate
    WXMAKING/USINGDLL_XYZ constants for each component XYZ.
    different libraries as, for example, wxString class should be dllexported
    when compiled in wxBase and dllimported otherwise, so we do define separate
    WXMAKING/USINGDLL_XYZ constants for each component XYZ.


@@ -74,16 +80,19 @@
 #    define WXMAKINGDLL_NET
 #    define WXMAKINGDLL_CORE
 #    define WXMAKINGDLL_ADV
 #    define WXMAKINGDLL_NET
 #    define WXMAKINGDLL_CORE
 #    define WXMAKINGDLL_ADV

-#    define WXMAKINGDLL_ODBC
-#    define WXMAKINGDLL_DBGRID
+#    define WXMAKINGDLL_QA

 #    define WXMAKINGDLL_HTML
 #    define WXMAKINGDLL_HTML

+#    define WXMAKINGDLL_GL

 #    define WXMAKINGDLL_XML
 #    define WXMAKINGDLL_XRC
 #    define WXMAKINGDLL_XML
 #    define WXMAKINGDLL_XRC

+#    define WXMAKINGDLL_AUI
+#    define WXMAKINGDLL_RICHTEXT

 #    define WXMAKINGDLL_MEDIA
 #    define WXMAKINGDLL_MEDIA

+#    define WXMAKINGDLL_STC

 #endif /* WXMAKINGDLL */
 
 /*
 #endif /* WXMAKINGDLL */
 
 /*

-   WXDLLEXPORT maps to export declaration when building the DLL, to import
+   WXDLLIMPEXP_CORE maps to export declaration when building the DLL, to import

    declaration if using it or to nothing at all if we don't use wxWin as DLL
  */
 #ifdef WXMAKINGDLL_BASE
    declaration if using it or to nothing at all if we don't use wxWin as DLL
  */
 #ifdef WXMAKINGDLL_BASE


@@ -130,26 +139,15 @@
 #    define WXDLLIMPEXP_DATA_ADV(type) type
 #endif
 
 #    define WXDLLIMPEXP_DATA_ADV(type) type
 #endif
 

-#ifdef WXMAKINGDLL_ODBC
-#    define WXDLLIMPEXP_ODBC WXEXPORT
-#    define WXDLLIMPEXP_DATA_ODBC(type) WXEXPORT type
+#ifdef WXMAKINGDLL_QA
+#    define WXDLLIMPEXP_QA WXEXPORT
+#    define WXDLLIMPEXP_DATA_QA(type) WXEXPORT type

 #elif defined(WXUSINGDLL)
 #elif defined(WXUSINGDLL)

-#    define WXDLLIMPEXP_ODBC WXIMPORT
-#    define WXDLLIMPEXP_DATA_ODBC(type) WXIMPORT type
+#    define WXDLLIMPEXP_QA WXIMPORT
+#    define WXDLLIMPEXP_DATA_QA(type) WXIMPORT type

 #else /* not making nor using DLL */
 #else /* not making nor using DLL */

-#    define WXDLLIMPEXP_ODBC
-#    define WXDLLIMPEXP_DATA_ODBC(type) type
-#endif
-
-#ifdef WXMAKINGDLL_DBGRID
-#    define WXDLLIMPEXP_DBGRID WXEXPORT
-#    define WXDLLIMPEXP_DATA_DBGRID(type) WXEXPORT type
-#elif defined(WXUSINGDLL)
-#    define WXDLLIMPEXP_DBGRID WXIMPORT
-#    define WXDLLIMPEXP_DATA_DBGRID(type) WXIMPORT type
-#else /* not making nor using DLL */
-#    define WXDLLIMPEXP_DBGRID
-#    define WXDLLIMPEXP_DATA_DBGRID(type) type
+#    define WXDLLIMPEXP_QA
+#    define WXDLLIMPEXP_DATA_QA(type) type

 #endif
 
 #ifdef WXMAKINGDLL_HTML
 #endif
 
 #ifdef WXMAKINGDLL_HTML


@@ -187,6 +185,22 @@
 #    define WXDLLIMPEXP_XRC
 #endif
 
 #    define WXDLLIMPEXP_XRC
 #endif
 

+#ifdef WXMAKINGDLL_AUI
+#    define WXDLLIMPEXP_AUI WXEXPORT
+#elif defined(WXUSINGDLL)
+#    define WXDLLIMPEXP_AUI WXIMPORT
+#else /* not making nor using DLL */
+#    define WXDLLIMPEXP_AUI
+#endif
+
+#ifdef WXMAKINGDLL_RICHTEXT
+#    define WXDLLIMPEXP_RICHTEXT WXEXPORT
+#elif defined(WXUSINGDLL)
+#    define WXDLLIMPEXP_RICHTEXT WXIMPORT
+#else /* not making nor using DLL */
+#    define WXDLLIMPEXP_RICHTEXT
+#endif
+

 #ifdef WXMAKINGDLL_MEDIA
 #    define WXDLLIMPEXP_MEDIA WXEXPORT
 #elif defined(WXUSINGDLL)
 #ifdef WXMAKINGDLL_MEDIA
 #    define WXDLLIMPEXP_MEDIA WXEXPORT
 #elif defined(WXUSINGDLL)


@@ -195,9 +209,87 @@
 #    define WXDLLIMPEXP_MEDIA
 #endif
 
 #    define WXDLLIMPEXP_MEDIA
 #endif
 

+#ifdef WXMAKINGDLL_STC
+    #define WXDLLIMPEXP_STC WXEXPORT
+#elif defined(WXUSINGDLL)
+    #define WXDLLIMPEXP_STC WXIMPORT
+#else /* not making nor using DLL */
+    #define WXDLLIMPEXP_STC
+#endif
+
+/*
+   GCC warns about using __attribute__ (and also __declspec in mingw32 case) on
+   forward declarations while MSVC complains about forward declarations without
+   __declspec for the classes later declared with it, so we need a separate set
+   of macros for forward declarations to hide this difference:
+ */
+#if defined(HAVE_VISIBILITY) || (defined(__WINDOWS__) && defined(__GNUC__))
+    #define WXDLLIMPEXP_FWD_BASE
+    #define WXDLLIMPEXP_FWD_NET
+    #define WXDLLIMPEXP_FWD_CORE
+    #define WXDLLIMPEXP_FWD_ADV
+    #define WXDLLIMPEXP_FWD_QA
+    #define WXDLLIMPEXP_FWD_HTML
+    #define WXDLLIMPEXP_FWD_GL
+    #define WXDLLIMPEXP_FWD_XML
+    #define WXDLLIMPEXP_FWD_XRC
+    #define WXDLLIMPEXP_FWD_AUI
+    #define WXDLLIMPEXP_FWD_RICHTEXT
+    #define WXDLLIMPEXP_FWD_MEDIA
+    #define WXDLLIMPEXP_FWD_STC
+#else
+    #define WXDLLIMPEXP_FWD_BASE      WXDLLIMPEXP_BASE
+    #define WXDLLIMPEXP_FWD_NET       WXDLLIMPEXP_NET
+    #define WXDLLIMPEXP_FWD_CORE      WXDLLIMPEXP_CORE
+    #define WXDLLIMPEXP_FWD_ADV       WXDLLIMPEXP_ADV
+    #define WXDLLIMPEXP_FWD_QA        WXDLLIMPEXP_QA
+    #define WXDLLIMPEXP_FWD_HTML      WXDLLIMPEXP_HTML
+    #define WXDLLIMPEXP_FWD_GL        WXDLLIMPEXP_GL
+    #define WXDLLIMPEXP_FWD_XML       WXDLLIMPEXP_XML
+    #define WXDLLIMPEXP_FWD_XRC       WXDLLIMPEXP_XRC
+    #define WXDLLIMPEXP_FWD_AUI       WXDLLIMPEXP_AUI
+    #define WXDLLIMPEXP_FWD_RICHTEXT  WXDLLIMPEXP_RICHTEXT
+    #define WXDLLIMPEXP_FWD_MEDIA     WXDLLIMPEXP_MEDIA
+    #define WXDLLIMPEXP_FWD_STC       WXDLLIMPEXP_STC
+#endif
+

 /* for backwards compatibility, define suffix-less versions too */
 #define WXDLLEXPORT WXDLLIMPEXP_CORE
 #define WXDLLEXPORT_DATA WXDLLIMPEXP_DATA_CORE
 
 /* for backwards compatibility, define suffix-less versions too */
 #define WXDLLEXPORT WXDLLIMPEXP_CORE
 #define WXDLLEXPORT_DATA WXDLLIMPEXP_DATA_CORE
 

+/*
+   MSVC up to 6.0 needs to be explicitly told to export template instantiations
+   used by the DLL clients, use this macro to do it like this:
+
+       template <typename T> class Foo { ... };
+       WXDLLIMPEXP_TEMPLATE_INSTANCE_BASE( Foo<int> )
+
+   (notice that currently we only need this for wxBase and wxCore libraries)
+ */
+#if defined(__VISUALC__) && (__VISUALC__ <= 1200)
+    #ifdef WXMAKINGDLL_BASE
+        #define WXDLLIMPEXP_TEMPLATE_INSTANCE_BASE(decl) \
+            template class WXDLLIMPEXP_BASE decl;
+        #define WXDLLIMPEXP_TEMPLATE_INSTANCE_CORE(decl) \
+            template class WXDLLIMPEXP_CORE decl;
+    #else
+        /*
+           We need to disable this warning when using this macro, as
+           recommended by Microsoft itself:
+
+           http://support.microsoft.com/default.aspx?scid=kb%3ben-us%3b168958
+         */
+        #pragma warning(disable:4231)
+
+        #define WXDLLIMPEXP_TEMPLATE_INSTANCE_BASE(decl) \
+            extern template class WXDLLIMPEXP_BASE decl;
+        #define WXDLLIMPEXP_TEMPLATE_INSTANCE_CORE(decl) \
+            extern template class WXDLLIMPEXP_CORE decl;
+    #endif
+#else /* not VC <= 6 */
+    #define WXDLLIMPEXP_TEMPLATE_INSTANCE_BASE(decl)
+    #define WXDLLIMPEXP_TEMPLATE_INSTANCE_CORE(decl)
+#endif /* VC6/others */
+

 #endif /* _WX_DLIMPEXP_H_ */
 
 #endif /* _WX_DLIMPEXP_H_ */