1# netinet_in_h.m4 serial 6 2dnl Copyright (C) 2006-2022 Free Software Foundation, Inc. 3dnl This file is free software; the Free Software Foundation 4dnl gives unlimited permission to copy and/or distribute it, 5dnl with or without modifications, as long as this notice is preserved. 6 7AC_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 GL_GENERATE_NETINET_IN_H=false 18 else 19 GL_GENERATE_NETINET_IN_H=true 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]) 30