build: Fix build failure on Cygwin and mingw without preinstalled libunistring.

* gettext-tools/configure.ac: Define DLL_VARIABLE and LIBGETTEXTSRC_DLL_VARIABLE
on Cygwin and mingw like on MSVC.

diff --git a/gettext-tools/configure.ac b/gettext-tools/configure.ac
index 95d02303ba18bfae48a0a2aa706dce73c9882a90..501c03d68aa6339250b06ac6a05e6b204f432752 100644 (file)
--- a/gettext-tools/configure.ac
+++ b/gettext-tools/configure.ac
@@ -396,7 +396,7 @@ AH_BOTTOM([
 /* DLL_VARIABLE               is used for variables defined in libgettextlib.
    LIBGETTEXTSRC_DLL_VARIABLE is used for variables defined in libgettextsrc.
  */
-#if defined _MSC_VER && WOE32DLL && !defined IN_RELOCWRAPPER
+#if (defined _WIN32 || defined __CYGWIN__) && WOE32DLL && !defined IN_RELOCWRAPPER
 # if IN_LIBGETTEXTLIB
 #  if defined DLL_EXPORT
 #   define DLL_VARIABLE __declspec (dllexport)
@@ -406,12 +406,10 @@ AH_BOTTOM([
 # else
 #  define DLL_VARIABLE __declspec (dllimport)
 # endif
-#elif (defined _WIN32 || defined __CYGWIN__) && defined DLL_EXPORT && !defined IN_RELOCWRAPPER
-# define DLL_VARIABLE __declspec (dllimport)
 #else
 # define DLL_VARIABLE
 #endif
-#if defined _MSC_VER && WOE32DLL && !defined IN_RELOCWRAPPER
+#if (defined _WIN32 || defined __CYGWIN__) && WOE32DLL && !defined IN_RELOCWRAPPER
 # if IN_LIBGETTEXTSRC
 #  if defined DLL_EXPORT
 #   define LIBGETTEXTSRC_DLL_VARIABLE __declspec (dllexport)
@@ -421,8 +419,6 @@ AH_BOTTOM([
 # else
 #  define LIBGETTEXTSRC_DLL_VARIABLE __declspec (dllimport)
 # endif
-#elif (defined _WIN32 || defined __CYGWIN__) && defined DLL_EXPORT && !defined IN_RELOCWRAPPER
-# define LIBGETTEXTSRC_DLL_VARIABLE __declspec (dllimport)
 #else
 # define LIBGETTEXTSRC_DLL_VARIABLE
 #endif