export.h

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Author : Bruno Haible
Date : 2023-09-06 03:29:12
Hash : bacf3318
Message : Don't export symbols from static MSVC .obj files. Suggested by Dmitry Bely <dmitry.bely@gmail.com> in <https://lists.gnu.org/archive/html/bug-gnu-libiconv/2023-08/msg00002.html>. * include/export.h: Add a copyright notice. Set LIBICONV_DLL_EXPORTED to empty on MSVC when DLL_EXPORT is not defined. * Makefile.devel (include/iconv.h.build.in): Filter out the second copyright notice. * configure.ac (DLL_VARIABLE): Test DLL_EXPORT, not _DLL. * lib/relocatable.h: From gnulib: (RELOCATABLE_DLL_EXPORTED): Don't use __declspec(dllexport) when creating static .obj files with MSVC. * libcharset/include/export.h: Add a copyright notice. Set LIBCHARSET_DLL_EXPORTED to empty on MSVC when DLL_EXPORT is not defined. * libcharset/Makefile.devel (include/libcharset.h.build.in, include/localcharset.h.build.in): Filter out the second copyright notice.

include/export.h

/* Control of exported symbols from libiconv.
   Copyright (C) 2005-2023 Free Software Foundation, Inc.

   This file is free software: you can redistribute it and/or modify
   it under the terms of the GNU Lesser General Public License as
   published by the Free Software Foundation; either version 2.1 of the
   License, or (at your option) any later version.

   This file is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public License
   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */

#if @HAVE_VISIBILITY@ && BUILDING_LIBICONV
# define LIBICONV_DLL_EXPORTED __attribute__((__visibility__("default")))
#elif defined _MSC_VER && BUILDING_LIBICONV
/* When building with MSVC, exporting a symbol means that the object file
   contains a "linker directive" of the form /EXPORT:symbol.  This can be
   inspected through the "objdump -s --section=.drectve FILE" or
   "dumpbin /directives FILE" commands.
   The symbols from this file should be exported if and only if the object
   file gets included in a DLL.  Libtool, on Windows platforms, defines
   the C macro DLL_EXPORT (together with PIC) when compiling for a DLL
   and does not define it when compiling an object file meant to be linked
   statically into some executable.  */
# if defined DLL_EXPORT
#  define LIBICONV_DLL_EXPORTED __declspec(dllexport)
# else
#  define LIBICONV_DLL_EXPORTED
# endif
#else
# define LIBICONV_DLL_EXPORTED
#endif

thodg/libiconv/include/export.h

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thodg/libiconv /include/export.h