diff options
Diffstat (limited to 'gl/m4/netdb_h.m4')
| -rw-r--r-- | gl/m4/netdb_h.m4 | 17 |
1 files changed, 6 insertions, 11 deletions
diff --git a/gl/m4/netdb_h.m4 b/gl/m4/netdb_h.m4 index 40ba8f66..c870fb61 100644 --- a/gl/m4/netdb_h.m4 +++ b/gl/m4/netdb_h.m4 @@ -1,4 +1,4 @@ -# netdb_h.m4 serial 7 +# netdb_h.m4 serial 9 dnl Copyright (C) 2008, 2009, 2010 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -10,21 +10,16 @@ AC_DEFUN([gl_HEADER_NETDB], AC_CHECK_HEADERS_ONCE([netdb.h]) gl_CHECK_NEXT_HEADERS([netdb.h]) if test $ac_cv_header_netdb_h = yes; then - AC_COMPILE_IFELSE( - [AC_LANG_PROGRAM([[ - #include <netdb.h> - struct addrinfo a; - int b = EAI_OVERFLOW; - int c = AI_NUMERICSERV; - ]])], - [NETDB_H=''], [NETDB_H='netdb.h']) HAVE_NETDB_H=1 else - NETDB_H='netdb.h' HAVE_NETDB_H=0 fi AC_SUBST([HAVE_NETDB_H]) - AC_SUBST([NETDB_H]) + + dnl Check for declarations of anything we want to poison if the + dnl corresponding gnulib module is not in use. + gl_WARN_ON_USE_PREPARE([[#include <netdb.h>]], + [getaddrinfo freeaddrinfo gai_strerror getnameinfo]) ]) AC_DEFUN([gl_NETDB_MODULE_INDICATOR], |