| 1 | # netinet_in_h.m4 serial 5 |
| 2 | dnl Copyright (C) 2006-2013 Free Software Foundation, Inc. |
| 3 | dnl This file is free software; the Free Software Foundation |
| 4 | dnl gives unlimited permission to copy and/or distribute it, |
| 5 | dnl with or without modifications, as long as this notice is preserved. |
| 6 | |
| 7 | AC_DEFUN([gl_HEADER_NETINET_IN], |
| 8 | [ |
| 9 | AC_CACHE_CHECK([whether <netinet/in.h> is self-contained], |
| 10 | [gl_cv_header_netinet_in_h_selfcontained], |
| 11 | [ |
| 12 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>]], [[]])], |
| 13 | [gl_cv_header_netinet_in_h_selfcontained=yes], |
| 14 | [gl_cv_header_netinet_in_h_selfcontained=no]) |
| 15 | ]) |
| 16 | if test $gl_cv_header_netinet_in_h_selfcontained = yes; then |
| 17 | NETINET_IN_H='' |
| 18 | else |
| 19 | NETINET_IN_H='netinet/in.h' |
| 20 | AC_CHECK_HEADERS([netinet/in.h]) |
| 21 | gl_CHECK_NEXT_HEADERS([netinet/in.h]) |
| 22 | if test $ac_cv_header_netinet_in_h = yes; then |
| 23 | HAVE_NETINET_IN_H=1 |
| 24 | else |
| 25 | HAVE_NETINET_IN_H=0 |
| 26 | fi |
| 27 | AC_SUBST([HAVE_NETINET_IN_H]) |
| 28 | fi |
| 29 | AC_SUBST([NETINET_IN_H]) |
| 30 | AM_CONDITIONAL([GL_GENERATE_NETINET_IN_H], [test -n "$NETINET_IN_H"]) |
| 31 | ]) |