diff options
Diffstat (limited to 'sntp/m4/ntp_ipv6.m4')
| -rw-r--r-- | sntp/m4/ntp_ipv6.m4 | 528 |
1 files changed, 528 insertions, 0 deletions
diff --git a/sntp/m4/ntp_ipv6.m4 b/sntp/m4/ntp_ipv6.m4 new file mode 100644 index 000000000000..079e51099458 --- /dev/null +++ b/sntp/m4/ntp_ipv6.m4 @@ -0,0 +1,528 @@ +dnl ###################################################################### +dnl Common IPv6 detection for NTP configure.ac files +AC_DEFUN([NTP_IPV6], [ + +AC_CACHE_CHECK( + [for struct sockaddr_storage], + [ntp_cv_sockaddr_storage], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[ + #ifdef HAVE_SYS_TYPES_H + # include <sys/types.h> + #endif + #ifdef HAVE_SYS_SOCKET_H + # include <sys/socket.h> + #endif + #ifdef HAVE_NETINET_IN_H + # include <netinet/in.h> + #endif + ]], + [[ + struct sockaddr_storage n; + ]] + )], + [ntp_cv_sockaddr_storage=yes], + [ntp_cv_sockaddr_storage=no] + )] +) +case "$ntp_cv_sockaddr_storage" in + yes) + AC_DEFINE([HAVE_STRUCT_SOCKADDR_STORAGE], [1], + [Does a system header define struct sockaddr_storage?]) + AC_CACHE_CHECK( + [for sockaddr_storage.__ss_family], + [ntp_cv_have___ss_family], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[ + #ifdef HAVE_SYS_TYPES_H + # include <sys/types.h> + #endif + #ifdef HAVE_SYS_SOCKET_H + # include <sys/socket.h> + #endif + #ifdef HAVE_NETINET_IN_H + # include <netinet/in.h> + #endif + ]], + [[ + struct sockaddr_storage s; + s.__ss_family = 1; + ]] + )], + [ntp_cv_have___ss_family=yes], + [ntp_cv_have___ss_family=no] + )] + ) + case "$ntp_cv_have___ss_family" in + yes) + AC_DEFINE([HAVE___SS_FAMILY_IN_SS], [1], + [Does struct sockaddr_storage have __ss_family?]) + esac + AH_VERBATIM( + [HAVE___SS_FAMILY_IN_SS_VERBATIM], + [ + /* Handle sockaddr_storage.__ss_family */ + #ifdef HAVE___SS_FAMILY_IN_SS + # define ss_family __ss_family + #endif /* HAVE___SS_FAMILY_IN_SS */ + ] + ) +esac + + +# +# Look for in_port_t. +# +AC_CACHE_CHECK( + [for in_port_t], + [isc_cv_have_in_port_t], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[ + #include <sys/types.h> + #include <netinet/in.h> + ]], + [[ + in_port_t port = 25; + return (0); + ]] + )], + [isc_cv_have_in_port_t=yes], + [isc_cv_have_in_port_t=no] + )] +) +case "$isc_cv_have_in_port_t" in + no) + AC_DEFINE([ISC_PLATFORM_NEEDPORTT], [1], + [Declare in_port_t?]) +esac + +AC_CACHE_CHECK( + [type of socklen arg for getsockname()], + [ntp_cv_getsockname_socklen_type], + [ + getsockname_socklen_type_found=no + for getsockname_arg2 in 'struct sockaddr *' 'void *'; do + for ntp_cv_getsockname_socklen_type in 'socklen_t' 'size_t' 'unsigned int' 'int'; do + AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[ + #ifdef HAVE_SYS_TYPES_H + # include <sys/types.h> + #endif + #ifdef HAVE_SYS_SOCKET_H + # include <sys/socket.h> + #endif + ]], [[ + extern + getsockname(int, $getsockname_arg2, + $ntp_cv_getsockname_socklen_type *); + ]] + )], + [getsockname_socklen_type_found=yes ; break 2], + [] + ) + done + done + case "$getsockname_socklen_type_found" in + no) + ntp_cv_getsockname_socklen_type='socklen_t' + esac + AS_UNSET([getsockname_arg2]) + AS_UNSET([getsockname_socklen_type_found]) + ] +) +AC_DEFINE_UNQUOTED([GETSOCKNAME_SOCKLEN_TYPE], + [$ntp_cv_getsockname_socklen_type], + [What is getsockname()'s socklen type?]) + +AC_CACHE_CHECK( + [struct sockaddr for sa_len], + [isc_cv_platform_havesalen], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[ + #include <sys/types.h> + #include <sys/socket.h> + ]], + [[ + extern struct sockaddr *ps; + return ps->sa_len; + ]] + )], + [isc_cv_platform_havesalen=yes], + [isc_cv_platform_havesalen=no] + )] +) +case "$isc_cv_platform_havesalen" in + yes) + AC_DEFINE([ISC_PLATFORM_HAVESALEN], [1], + [struct sockaddr has sa_len?]) +esac + +AC_ARG_ENABLE( + [ipv6], + [AS_HELP_STRING( + [--enable-ipv6], + [s use IPv6?] + )] +) + +case "$enable_ipv6" in + yes|''|autodetect) + case "$host" in + powerpc-ibm-aix4*) + ;; + *) + AC_DEFINE([WANT_IPV6], [1], [configure --enable-ipv6]) + ;; + esac + ;; + no) + ;; +esac + + +dnl [Bug 1984] ntp/libisc fails to compile on OS X 10.7 (Lion) +case "$host" in + *-*-darwin*) + AC_DEFINE([__APPLE_USE_RFC_3542], [1], [Are we _special_?]) +esac + + +AC_CACHE_CHECK( + [for IPv6 structures], + [isc_cv_found_ipv6], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[ + #include <sys/types.h> + #include <sys/socket.h> + #include <netinet/in.h> + ]], + [[ + struct sockaddr_in6 sin6; + ]] + )], + [isc_cv_found_ipv6=yes], + [isc_cv_found_ipv6=no] + )] +) + +# +# See whether IPv6 support is provided via a Kame add-on. +# This is done before other IPv6 linking tests so LIBS is properly set. +# +AC_MSG_CHECKING([for Kame IPv6 support]) +AC_ARG_WITH( + [kame], + [AS_HELP_STRING( + [--with-kame], + [- =/usr/local/v6] + )], + [use_kame="$withval"], + [use_kame="no"] +) +case "$use_kame" in + no) + ;; + yes) + kame_path=/usr/local/v6 + ;; + *) + kame_path="$use_kame" + ;; +esac +case "$use_kame" in + no) + AC_MSG_RESULT([no]) + ;; + *) + if test -f $kame_path/lib/libinet6.a; then + AC_MSG_RESULT([$kame_path/lib/libinet6.a]) + LIBS="-L$kame_path/lib -linet6 $LIBS" + else + AC_MSG_ERROR([$kame_path/lib/libinet6.a not found. + +Please choose the proper path with the following command: + + configure --with-kame=PATH +]) + fi + ;; +esac + +# +# Whether netinet6/in6.h is needed has to be defined in isc/platform.h. +# Including it on Kame-using platforms is very bad, though, because +# Kame uses #error against direct inclusion. So include it on only +# the platform that is otherwise broken without it -- BSD/OS 4.0 through 4.1. +# This is done before the in6_pktinfo check because that's what +# netinet6/in6.h is needed for. +# +case "$host" in + *-bsdi4.[[01]]*) + AC_DEFINE([ISC_PLATFORM_NEEDNETINET6IN6H], [1], + [Do we need netinet6/in6.h?]) + isc_netinet6in6_hack="#include <netinet6/in6.h>" + ;; + *) + isc_netinet6in6_hack="" + ;; +esac + +# +# This is similar to the netinet6/in6.h issue. +# +case "$host" in + *-sco-sysv*uw*|*-*-sysv*UnixWare*|*-*-sysv*OpenUNIX*) + AC_DEFINE([ISC_PLATFORM_FIXIN6ISADDR], [1], + [Do we need to fix in6isaddr?]) + isc_netinetin6_hack="#include <netinet/in6.h>" + ;; + *) + isc_netinetin6_hack="" + ;; +esac + + +case "$isc_cv_found_ipv6" in + yes) + AC_DEFINE([ISC_PLATFORM_HAVEIPV6], [1], [have IPv6?]) + AC_CACHE_CHECK( + [for in6_pktinfo], + [isc_cv_have_in6_pktinfo], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[ + #include <sys/types.h> + #include <sys/socket.h> + #include <netinet/in.h> + $isc_netinetin6_hack + $isc_netinet6in6_hack + ]], + [[ + struct in6_pktinfo xyzzy; + ]] + )], + [isc_cv_have_in6_pktinfo=yes], + [isc_cv_have_in6_pktinfo=no] + )] + ) + case "$isc_cv_have_in6_pktinfo" in + yes) + AC_DEFINE([ISC_PLATFORM_HAVEIN6PKTINFO], [1], + [have struct in6_pktinfo?]) + esac + + + # HMS: Use HAVE_STRUCT_SOCKADDR_IN6_SIN6_SCOPE_ID instead? + AC_CACHE_CHECK( + [for sockaddr_in6.sin6_scope_id], + [isc_cv_have_sin6_scope_id], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[ + #include <sys/types.h> + #include <sys/socket.h> + #include <netinet/in.h> + $isc_netinetin6_hack + $isc_netinet6in6_hack + ]], + [[ + struct sockaddr_in6 xyzzy; + xyzzy.sin6_scope_id = 0; + ]] + )], + [isc_cv_have_sin6_scope_id=yes], + [isc_cv_have_sin6_scope_id=no] + )] + ) + + case "$isc_cv_have_sin6_scope_id" in + yes) + AC_DEFINE([ISC_PLATFORM_HAVESCOPEID], [1], [sin6_scope_id?]) + esac +esac + + +# We need this check run even without isc_cv_found_ipv6=yes + +AC_CACHE_CHECK( + [for in6addr_any], + [isc_cv_in6addr_any_links], + [ + SAVED_LIBS="$LIBS" + LIBS="$LDADD_LIBNTP $LIBS" + AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + AC_INCLUDES_DEFAULT [[ + #include <sys/socket.h> + #include <netinet/in.h> + $isc_netinetin6_hack + $isc_netinet6in6_hack + ]], + [[ + printf("%x", in6addr_any.s6_addr[15]); + ]] + )], + [isc_cv_in6addr_any_links=yes], + [isc_cv_in6addr_any_links=no] + ) + LIBS="$SAVED_LIBS" + AS_UNSET([SAVED_LIBS]) + ] +) + +case "$isc_cv_in6addr_any_links" in + no) + AC_DEFINE([ISC_PLATFORM_NEEDIN6ADDRANY], [1], [missing in6addr_any?]) +esac + + +AC_CACHE_CHECK( + [for struct if_laddrconf], + [isc_cv_struct_if_laddrconf], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[ + #include <sys/types.h> + #include <net/if6.h> + ]], + [[ + struct if_laddrconf a; + ]] + )], + [isc_cv_struct_if_laddrconf=yes], + [isc_cv_struct_if_laddrconf=no] + )] +) + +case "$isc_cv_struct_if_laddrconf" in + yes) + AC_DEFINE([ISC_PLATFORM_HAVEIF_LADDRCONF], [1], + [have struct if_laddrconf?]) +esac + +AC_CACHE_CHECK( + [for struct if_laddrreq], + isc_cv_struct_if_laddrreq, + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[ + #include <sys/types.h> + #include <net/if6.h> + ]], + [[ + struct if_laddrreq a; + ]] + )], + [isc_cv_struct_if_laddrreq=yes], + [isc_cv_struct_if_laddrreq=no] + )] +) + +case "$isc_cv_struct_if_laddrreq" in + yes) + AC_DEFINE([ISC_PLATFORM_HAVEIF_LADDRREQ], [1], + [have struct if_laddrreq?]) +esac + +AC_CACHE_CHECK( + [for multicast IP support], + [ntp_cv_multicast], + [ + ntp_cv_multicast=no + case "$host" in + i386-sequent-sysv4) + ;; + *) + AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[ + #ifdef HAVE_NETINET_IN_H + # include <netinet/in.h> + #endif + ]], + [[ + struct ip_mreq ipmr; + ipmr.imr_interface.s_addr = 0; + ]] + )], + [ntp_cv_multicast=yes], + [] + ) + ;; + esac + ] +) +case "$ntp_cv_multicast" in + yes) + AC_DEFINE([MCAST], [1], [Does the target support multicast IP?]) + AC_CACHE_CHECK( + [arg type needed for setsockopt() IP*_MULTICAST_LOOP], + [ntp_cv_typeof_ip_multicast_loop], + [ + case "$host" in + *-*-netbsd*|*-*-*linux*) + ntp_cv_typeof_ip_multicast_loop=u_int + ;; + *) + ntp_cv_typeof_ip_multicast_loop=u_char + ;; + esac + ] + ) + AC_DEFINE_UNQUOTED([TYPEOF_IP_MULTICAST_LOOP], + [$ntp_cv_typeof_ip_multicast_loop], + [What type to use for setsockopt]) +esac + +AC_ARG_ENABLE( + [getifaddrs], + [AS_HELP_STRING( + [--enable-getifaddrs], + [+ Enable the use of getifaddrs() [[yes|no]].] + )], + [want_getifaddrs="$enableval"], + [want_getifaddrs="yes"] +) + +case $want_getifaddrs in + glibc) + AC_MSG_WARN([--enable-getifaddrs=glibc is no longer required]) +esac +case $want_getifaddrs in + no) + ;; + *) + SAVED_LIBS="$LIBS" + LIBS="$LDADD_LIBNTP $LIBS" + AC_CHECK_FUNCS([getifaddrs]) + LIBS="$SAVED_LIBS" + AS_UNSET([SAVED_LIBS]) + ;; +esac + +# +# Check for if_nametoindex() for IPv6 scoped addresses support +# +case "$host" in + *-hp-hpux*) + AC_SEARCH_LIBS([if_nametoindex], [ipv6]) +esac +SAVED_LIBS="$LIBS" +LIBS="$LDADD_LIBNTP $LIBS" +AC_CHECK_FUNCS([if_nametoindex]) +LIBS="$SAVED_LIBS" +AS_UNSET([SAVED_LIBS]) +case "$ac_cv_func_if_nametoindex" in + yes) + AC_DEFINE([ISC_PLATFORM_HAVEIFNAMETOINDEX], [1], + [ISC: do we have if_nametoindex()?]) +esac + +])dnl +dnl ====================================================================== |