--- contrib/libs/libidn/lib/idn-free.h	(9920c22126a48eb778c3500fc4c98e84a275c80a)
+++ contrib/libs/libidn/lib/idn-free.h	(cdd34515220d5a3cb13a2d6cb6a8a64d9e8eabf5)
@@ -39,15 +39,7 @@
  */
 
 # ifndef IDNAPI
-#  if defined LIBIDN_BUILDING && defined HAVE_VISIBILITY && HAVE_VISIBILITY
-#   define IDNAPI __attribute__((__visibility__("default")))
-#  elif defined LIBIDN_BUILDING && defined _MSC_VER && ! defined LIBIDN_STATIC
-#   define IDNAPI __declspec(dllexport)
-#  elif defined _MSC_VER && ! defined LIBIDN_STATIC
-#   define IDNAPI __declspec(dllimport)
-#  else
 #   define IDNAPI
-#  endif
 # endif
 
 # ifdef __cplusplus
--- contrib/libs/libidn/lib/pr29.h	(9920c22126a48eb778c3500fc4c98e84a275c80a)
+++ contrib/libs/libidn/lib/pr29.h	(cdd34515220d5a3cb13a2d6cb6a8a64d9e8eabf5)
@@ -39,15 +39,7 @@
  */
 
 # ifndef IDNAPI
-#  if defined LIBIDN_BUILDING && defined HAVE_VISIBILITY && HAVE_VISIBILITY
-#   define IDNAPI __attribute__((__visibility__("default")))
-#  elif defined LIBIDN_BUILDING && defined _MSC_VER && ! defined LIBIDN_STATIC
-#   define IDNAPI __declspec(dllexport)
-#  elif defined _MSC_VER && ! defined LIBIDN_STATIC
-#   define IDNAPI __declspec(dllimport)
-#  else
 #   define IDNAPI
-#  endif
 # endif
 
 # ifdef __cplusplus
--- contrib/libs/libidn/lib/stringprep.h	(9920c22126a48eb778c3500fc4c98e84a275c80a)
+++ contrib/libs/libidn/lib/stringprep.h	(cdd34515220d5a3cb13a2d6cb6a8a64d9e8eabf5)
@@ -43,15 +43,7 @@ typedef int ssize_t;
  */
 
 # ifndef IDNAPI
-#  if defined LIBIDN_BUILDING && defined HAVE_VISIBILITY && HAVE_VISIBILITY
-#   define IDNAPI __attribute__((__visibility__("default")))
-#  elif defined LIBIDN_BUILDING && defined _MSC_VER && ! defined LIBIDN_STATIC
-#   define IDNAPI __declspec(dllexport)
-#  elif defined _MSC_VER && ! defined LIBIDN_STATIC
-#   define IDNAPI __declspec(dllimport)
-#  else
 #   define IDNAPI
-#  endif
 # endif
 
 # include <stddef.h>		/* size_t */
--- contrib/libs/libidn/lib/idna.h	(index)
+++ contrib/libs/libidn/lib/idna.h	(working tree)
@@ -49,15 +49,7 @@
  * https://www.gnu.org/software/gnulib/manual/html_node/Exported-Symbols-of-Shared-Libraries.html
  */
 # ifndef IDNAPI
-#  if defined LIBIDN_BUILDING && defined HAVE_VISIBILITY && HAVE_VISIBILITY
-#   define IDNAPI __attribute__((__visibility__("default")))
-#  elif defined LIBIDN_BUILDING && defined _MSC_VER && ! defined LIBIDN_STATIC
-#   define IDNAPI __declspec(dllexport)
-#  elif defined _MSC_VER && ! defined LIBIDN_STATIC
-#   define IDNAPI __declspec(dllimport)
-#  else
 #   define IDNAPI
-#  endif
 # endif
 
 # include <stddef.h>		/* size_t */
--- contrib/libs/libidn/lib/tld.h	(index)
+++ contrib/libs/libidn/lib/tld.h	(working tree)
@@ -42,15 +42,7 @@
  */
 
 # ifndef IDNAPI
-#  if defined LIBIDN_BUILDING && defined HAVE_VISIBILITY && HAVE_VISIBILITY
-#   define IDNAPI __attribute__((__visibility__("default")))
-#  elif defined LIBIDN_BUILDING && defined _MSC_VER && ! defined LIBIDN_STATIC
-#   define IDNAPI __declspec(dllexport)
-#  elif defined _MSC_VER && ! defined LIBIDN_STATIC
-#   define IDNAPI __declspec(dllimport)
-#  else
 #   define IDNAPI
-#  endif
 # endif
 
 # ifdef __cplusplus