diff options
Diffstat (limited to 'm4/arpa_inet_h.m4')
-rw-r--r-- | m4/arpa_inet_h.m4 | 51 |
1 files changed, 45 insertions, 6 deletions
diff --git a/m4/arpa_inet_h.m4 b/m4/arpa_inet_h.m4 index d01d098..5387f28 100644 --- a/m4/arpa_inet_h.m4 +++ b/m4/arpa_inet_h.m4 @@ -1,18 +1,57 @@ -# arpa_inet_h.m4 serial 1 -dnl Copyright (C) 2006 Free Software Foundation, Inc. +# arpa_inet_h.m4 serial 13 +dnl Copyright (C) 2006, 2008-2016 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. -dnl Written by Simon Josefsson +dnl Written by Simon Josefsson and Bruno Haible AC_DEFUN([gl_HEADER_ARPA_INET], [ + dnl Use AC_REQUIRE here, so that the default behavior below is expanded + dnl once only, before all statements that occur in other macros. + AC_REQUIRE([gl_ARPA_INET_H_DEFAULTS]) + AC_CHECK_HEADERS_ONCE([arpa/inet.h]) if test $ac_cv_header_arpa_inet_h = yes; then - ARPA_INET_H='' + HAVE_ARPA_INET_H=1 else - ARPA_INET_H='arpa/inet.h' + HAVE_ARPA_INET_H=0 fi - AC_SUBST(ARPA_INET_H) + AC_SUBST([HAVE_ARPA_INET_H]) + dnl <arpa/inet.h> is always overridden, because of GNULIB_POSIXCHECK. + gl_CHECK_NEXT_HEADERS([arpa/inet.h]) + + AC_REQUIRE([gl_FEATURES_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([[ +/* On some systems, this header is not self-consistent. */ +#if !(defined __GLIBC__ || defined __UCLIBC__) +# include <sys/socket.h> +#endif +#ifdef __TANDEM +# include <netdb.h> +#endif +#include <arpa/inet.h> + ]], [inet_ntop inet_pton]) +]) + +AC_DEFUN([gl_ARPA_INET_MODULE_INDICATOR], +[ + dnl Use AC_REQUIRE here, so that the default settings are expanded once only. + AC_REQUIRE([gl_ARPA_INET_H_DEFAULTS]) + gl_MODULE_INDICATOR_SET_VARIABLE([$1]) +]) + +AC_DEFUN([gl_ARPA_INET_H_DEFAULTS], +[ + GNULIB_INET_NTOP=0; AC_SUBST([GNULIB_INET_NTOP]) + GNULIB_INET_PTON=0; AC_SUBST([GNULIB_INET_PTON]) + dnl Assume proper GNU behavior unless another module says otherwise. + HAVE_DECL_INET_NTOP=1; AC_SUBST([HAVE_DECL_INET_NTOP]) + HAVE_DECL_INET_PTON=1; AC_SUBST([HAVE_DECL_INET_PTON]) + REPLACE_INET_NTOP=0; AC_SUBST([REPLACE_INET_NTOP]) + REPLACE_INET_PTON=0; AC_SUBST([REPLACE_INET_PTON]) ]) |