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jmc |
1.1 |
dnl See whether we can use IPv6 related functions |
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dnl contributed by Hajimu UMEMOTO |
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AC_DEFUN(IPv6_CHECK_FUNC, [ |
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AC_CHECK_FUNC($1, [dnl |
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ac_cv_lib_socket_$1=no |
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ac_cv_lib_inet6_$1=no |
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], [dnl |
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AC_CHECK_LIB(socket, $1, [dnl |
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LIBS="$LIBS -lsocket" |
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ac_cv_lib_inet6_$1=no |
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], [dnl |
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AC_MSG_CHECKING([whether your system has IPv6 directory]) |
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AC_CACHE_VAL(ipv6_cv_dir, [dnl |
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for ipv6_cv_dir in /usr/local/v6 /usr/inet6 no; do |
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if test $ipv6_cv_dir = no -o -d $ipv6_cv_dir; then |
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break |
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fi |
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done])dnl |
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AC_MSG_RESULT($ipv6_cv_dir) |
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if test $ipv6_cv_dir = no; then |
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ac_cv_lib_inet6_$1=no |
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else |
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if test x$ipv6_libinet6 = x; then |
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ipv6_libinet6=no |
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SAVELDFLAGS="$LDFLAGS" |
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LDFLAGS="$LDFLAGS -L$ipv6_cv_dir/lib" |
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fi |
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AC_CHECK_LIB(inet6, $1, [dnl |
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if test $ipv6_libinet6 = no; then |
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ipv6_libinet6=yes |
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LIBS="$LIBS -linet6" |
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fi],)dnl |
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if test $ipv6_libinet6 = no; then |
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LDFLAGS="$SAVELDFLAGS" |
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fi |
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fi])dnl |
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])dnl |
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if test $ac_cv_func_$1 = yes -o $ac_cv_lib_socket_$1 = yes \ |
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-o $ac_cv_lib_inet6_$1 = yes |
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then |
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ipv6_cv_$1=yes |
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ifelse([$2], , :, [$2]) |
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else |
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ipv6_cv_$1=no |
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ifelse([$3], , :, [$3]) |
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fi]) |
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dnl See whether we have ss_family in sockaddr_storage |
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AC_DEFUN(IPv6_CHECK_SS_FAMILY, [ |
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AC_MSG_CHECKING([whether you have ss_family in struct sockaddr_storage]) |
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AC_CACHE_VAL(ipv6_cv_ss_family, [dnl |
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AC_TRY_COMPILE([#include <sys/types.h> |
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#include <sys/socket.h>], |
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[struct sockaddr_storage ss; int i = ss.ss_family;], |
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[ipv6_cv_ss_family=yes], [ipv6_cv_ss_family=no])])dnl |
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if test $ipv6_cv_ss_family = yes; then |
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ifelse([$1], , AC_DEFINE(HAVE_SS_FAMILY), [$1]) |
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else |
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ifelse([$2], , :, [$2]) |
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fi |
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AC_MSG_RESULT($ipv6_cv_ss_family)]) |
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dnl whether you have sa_len in struct sockaddr |
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AC_DEFUN(IPv6_CHECK_SA_LEN, [ |
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AC_MSG_CHECKING([whether you have sa_len in struct sockaddr]) |
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AC_CACHE_VAL(ipv6_cv_sa_len, [dnl |
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AC_TRY_COMPILE([#include <sys/types.h> |
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#include <sys/socket.h>], |
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[struct sockaddr sa; int i = sa.sa_len;], |
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[ipv6_cv_sa_len=yes], [ipv6_cv_sa_len=no])])dnl |
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if test $ipv6_cv_sa_len = yes; then |
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ifelse([$1], , AC_DEFINE(HAVE_SOCKADDR_SA_LEN), [$1]) |
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else |
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ifelse([$2], , :, [$2]) |
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fi |
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AC_MSG_RESULT($ipv6_cv_sa_len)]) |
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dnl See whether sys/socket.h has socklen_t |
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AC_DEFUN(IPv6_CHECK_SOCKLEN_T, [ |
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AC_MSG_CHECKING(for socklen_t) |
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AC_CACHE_VAL(ipv6_cv_socklen_t, [dnl |
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AC_TRY_LINK([#include <sys/types.h> |
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#include <sys/socket.h>], |
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[socklen_t len = 0;], |
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[ipv6_cv_socklen_t=yes], [ipv6_cv_socklen_t=no])])dnl |
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if test $ipv6_cv_socklen_t = yes; then |
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ifelse([$1], , AC_DEFINE(HAVE_SOCKLEN_T), [$1]) |
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else |
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ifelse([$2], , :, [$2]) |
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fi |
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AC_MSG_RESULT($ipv6_cv_socklen_t)]) |
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