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TYPE_SOCKLEN_T
Check whether sys/socket.h defines type socklen_t. Please note that some systems require sys/types.h to be included before sys/socket.h can be compiled.
1.2 (last modified: 2000-07-19)
Lars Brinkhoff <lars@nocrew.org>
AC_DEFUN([TYPE_SOCKLEN_T],
[AC_CACHE_CHECK([for socklen_t], ac_cv_type_socklen_t,
[
AC_TRY_COMPILE(
[#include <sys/types.h>
#include <sys/socket.h>],
[socklen_t len = 42; return 0;],
ac_cv_type_socklen_t=yes,
ac_cv_type_socklen_t=no)
])
if test $ac_cv_type_socklen_t != yes; then
AC_DEFINE(socklen_t, int)
fi
])