161 lines
3.6 KiB
Text
161 lines
3.6 KiB
Text
AC_DEFUN([AC_DEFINE_DIR], [
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test "x$prefix" = xNONE && prefix="$ac_default_prefix"
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test "x$exec_prefix" = xNONE && exec_prefix='${prefix}'
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last_ac_define_dir=`eval echo [$]$2`
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ac_define_dir=`eval echo [$]last_ac_define_dir`
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ac_define_dir_counter=0
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while test "x[$]last_ac_define_dir" != "x[$]ac_define_dir"; do
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last_ac_define_dir="[$]ac_define_dir"
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ac_define_dir=`eval echo [$]last_ac_define_dir`
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AS_VAR_ARITH([ac_define_dir_counter], [$ac_define_dir_counter + 1])
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AS_VAR_IF([ac_define_dir_counter], [128],
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[AC_MSG_ERROR([detected recusive directory expansion when expanding $1=[$]$2: [$]ac_define_dir])
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break])
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done
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$1="$ac_define_dir"
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AC_SUBST($1)
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ifelse($3, ,
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AC_DEFINE_UNQUOTED($1, "$ac_define_dir"),
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AC_DEFINE_UNQUOTED($1, "$ac_define_dir", $3))
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])
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AC_DEFUN([AC_SUBST_DIR], [
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ifelse($2,,,$1="[$]$2")
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$1=`(
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test "x$prefix" = xNONE && prefix="$ac_default_prefix"
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test "x$exec_prefix" = xNONE && exec_prefix="${prefix}"
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eval echo \""[$]$1"\"
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)`
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AC_SUBST($1)
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])
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dnl IPv6 support macros..pretty much swiped from wget
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dnl RB_PROTO_INET6
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AC_DEFUN([RB_PROTO_INET6],[
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AC_CACHE_CHECK([for INET6 protocol support], [rb_cv_proto_inet6],[
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AC_TRY_CPP([
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#include <sys/types.h>
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#include <sys/socket.h>
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#ifndef PF_INET6
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#error Missing PF_INET6
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#endif
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#ifndef AF_INET6
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#error Mlssing AF_INET6
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#endif
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],[
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rb_cv_proto_inet6=yes
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],[
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rb_cv_proto_inet6=no
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])
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])
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if test "X$rb_cv_proto_inet6" = "Xyes"; then :
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$1
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else :
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$2
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fi
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])
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AC_DEFUN([RB_TYPE_STRUCT_SOCKADDR_IN6],[
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rb_have_sockaddr_in6=
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AC_CHECK_TYPES([struct sockaddr_in6],[
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rb_have_sockaddr_in6=yes
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],[
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rb_have_sockaddr_in6=no
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],[
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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])
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if test "X$rb_have_sockaddr_in6" = "Xyes"; then :
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$1
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else :
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$2
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fi
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])
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AC_DEFUN([RB_CHECK_TIMER_CREATE],
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[AC_CACHE_CHECK([for a working timer_create(CLOCK_REALTIME)],
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[rb__cv_timer_create_works],
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[AC_TRY_RUN([
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#ifdef HAVE_TIME_H
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#include <time.h>
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#endif
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#ifdef HAVE_SIGNAL_H
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#include <signal.h>
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#endif
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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int main(int argc, char *argv[])
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{
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#if HAVE_TIMER_CREATE
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struct sigevent ev;
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timer_t timer;
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ev.sigev_notify = SIGEV_SIGNAL;
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ev.sigev_signo = SIGVTALRM;
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if (timer_create(CLOCK_REALTIME, &ev, &timer) != 0) {
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return 1;
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}
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#else
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return 1;
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#endif
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return 0;
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}
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],
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[rb__cv_timer_create_works=yes],
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[rb__cv_timer_create_works=no],
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[rb__cv_timer_create_works=no])
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])
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case $rb__cv_timer_create_works in
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yes) AC_DEFINE([USE_TIMER_CREATE], 1,
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[Define to 1 if we can use timer_create(CLOCK_REALTIME,...)]);;
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esac
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])
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AC_DEFUN([RB_CHECK_TIMERFD_CREATE],
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[AC_CACHE_CHECK([for a working timerfd_create(CLOCK_REALTIME)],
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[rb__cv_timerfd_create_works],
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[AC_TRY_RUN([
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#ifdef HAVE_TIME_H
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#include <time.h>
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#endif
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#ifdef HAVE_SIGNAL_H
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#include <signal.h>
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#endif
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#ifdef HAVE_SYS_TIMERFD_H
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#include <sys/timerfd.h>
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#endif
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int main(int argc, char *argv[])
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{
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#if defined(HAVE_TIMERFD_CREATE) && defined(HAVE_SYS_TIMERFD_H)
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if (timerfd_create(CLOCK_REALTIME, 0) < 0) {
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return 1;
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}
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#else
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return 1;
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#endif
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return 0;
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}
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],
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[rb__cv_timerfd_create_works=yes],
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[rb__cv_timerfd_create_works=no],
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[rb__cv_timerfd_create_works=no])
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])
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case $rb__cv_timerfd_create_works in
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yes) AC_DEFINE([USE_TIMERFD_CREATE], 1,
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[Define to 1 if we can use timerfd_create(CLOCK_REALTIME,...)]);;
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esac
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])
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