-], [gai_strerror (NULL);],
- [gl_cv_func_gai_strerror=yes],
- [gl_cv_func_gai_strerror=no])])
- if test $gl_cv_func_gai_strerror = no; then
- AC_LIBOBJ(gai_strerror)
+]])
+ if test $ac_cv_have_decl_gai_strerror = no; then
+ AC_LIBOBJ([gai_strerror])
+ else
+ dnl check for correct signature
+ AC_CACHE_CHECK([for gai_strerror with POSIX signature],
+ [gl_cv_func_gai_strerror_posix_signature], [
+ AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
+#include <sys/types.h>
+#ifdef HAVE_SYS_SOCKET_H
+#include <sys/socket.h>
+#endif
+#ifdef HAVE_NETDB_H
+#include <netdb.h>
+#endif
+#ifdef HAVE_WS2TCPIP_H
+#include <ws2tcpip.h>
+#endif
+#include <stddef.h>
+extern const char *gai_strerror(int);]])],
+ [gl_cv_func_gai_strerror_posix_signature=yes],
+ [gl_cv_func_gai_strerror_posix_signature=no])])
+ if test $gl_cv_func_gai_strerror_posix_signature = no; then
+ REPLACE_GAI_STRERROR=1
+ AC_LIBOBJ([gai_strerror])
+ fi