+dnl Check for socklen_t. In traditional BSD this is an int, but some
+dnl OSes use a different type. Test until we find something that will
+dnl work properly. Test borrowed from a patch submitted for Python.
+AC_CHECK_TYPE([socklen_t], ,[
+ AC_MSG_CHECKING([for socklen_t equivalent])
+ AC_CACHE_VAL([curl_cv_socklen_t_equiv],
+ [
+dnl Systems have either "struct sockaddr*" or "void*" as second
+dnl arg to getpeername.
+ curl_cv_socklen_t_equiv=
+ for arg2 in "struct sockaddr" void ; do
+ for t in int size_t unsigned long "unsigned long" ; do
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
+#include <sys/socket.h>
+int getpeername (int $arg2 *, $t *);]], [[$t len;
+ getpeername(0, 0, &len);]])],[curl_cv_socklen_t_equiv="$t"
+ break],[])
+ done
+ done
+ ])
+ AC_MSG_RESULT($curl_cv_socklen_t_equiv)
+ AC_DEFINE_UNQUOTED(socklen_t, $curl_cv_socklen_t_equiv,
+ [type to use in place of socklen_t if not defined])],
+ [#include <sys/types.h>
+#include<sys/socket.h>])
+