libcharset/include/export.h

   1 /* Control of exported symbols from libcharset.
   2    Copyright (C) 2005-2023 Free Software Foundation, Inc.
   3
   4    This file is free software: you can redistribute it and/or modify
   5    it under the terms of the GNU Lesser General Public License as
   6    published by the Free Software Foundation; either version 2.1 of the
   7    License, or (at your option) any later version.
   8
   9    This file is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12    GNU Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public License
  15    along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  16
  17 #if @HAVE_VISIBILITY@ && BUILDING_LIBCHARSET
  18 # define LIBCHARSET_SHLIB_EXPORTED __attribute__((__visibility__("default")))
  19 #elif defined _MSC_VER && BUILDING_LIBCHARSET
  20 /* When building with MSVC, exporting a symbol means that the object file
  21    contains a "linker directive" of the form /EXPORT:symbol.  This can be
  22    inspected through the "objdump -s --section=.drectve FILE" or
  23    "dumpbin /directives FILE" commands.
  24    The symbols from this file should be exported if and only if the object
  25    file gets included in a DLL.  Libtool, on Windows platforms, defines
  26    the C macro DLL_EXPORT (together with PIC) when compiling for a shared
  27    library (called DLL under Windows) and does not define it when compiling
  28    an object file meant to be linked statically into some executable.  */
  29 # if defined DLL_EXPORT
  30 #  define LIBCHARSET_SHLIB_EXPORTED __declspec(dllexport)
  31 # else
  32 #  define LIBCHARSET_SHLIB_EXPORTED
  33 # endif
  34 #else
  35 # define LIBCHARSET_SHLIB_EXPORTED
  36 #endif