[freetype2] master 843e0dc: Restore FT_EXPORT documentation.

[Alexei Podtelezhnikov]

branch: master
commit 843e0dc92bb920fa1d639ecb0e3fd34d0106d228
Author: Alexei Podtelezhnikov <address@hidden>
Commit: Alexei Podtelezhnikov <address@hidden>

    Restore FT_EXPORT documentation.
---
 include/freetype/config/ftconfig.h | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/include/freetype/config/ftconfig.h 
b/include/freetype/config/ftconfig.h
index fa4ac15..6c7a3b7 100644
--- a/include/freetype/config/ftconfig.h
+++ b/include/freetype/config/ftconfig.h
@@ -408,6 +408,35 @@ FT_BEGIN_HEADER
 #endif /* !FT_BASE_DEF */
 
 
+  /*   When compiling FreeType as a DLL, some systems/compilers need a     */
+  /*   special attribute in front OR after the return type of function     */
+  /*   declarations.                                                       */
+  /*                                                                       */
+  /*   Two macros are used within the FreeType source code to define       */
+  /*   exported library functions: FT_EXPORT and FT_EXPORT_DEF.            */
+  /*                                                                       */
+  /*     FT_EXPORT( return_type )                                          */
+  /*                                                                       */
+  /*       is used in a function declaration, as in                        */
+  /*                                                                       */
+  /*         FT_EXPORT( FT_Error )                                         */
+  /*         FT_Init_FreeType( FT_Library*  alibrary );                    */
+  /*                                                                       */
+  /*                                                                       */
+  /*     FT_EXPORT_DEF( return_type )                                      */
+  /*                                                                       */
+  /*       is used in a function definition, as in                         */
+  /*                                                                       */
+  /*         FT_EXPORT_DEF( FT_Error )                                     */
+  /*         FT_Init_FreeType( FT_Library*  alibrary )                     */
+  /*         {                                                             */
+  /*           ... some code ...                                           */
+  /*           return FT_Err_Ok;                                           */
+  /*         }                                                             */
+  /*                                                                       */
+  /*   You can provide your own implementation of FT_EXPORT and            */
+  /*   FT_EXPORT_DEF here if you want.                                     */
+  /*                                                                       */
 #ifndef FT_EXPORT
 
 #if defined( _DLL )