ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/libev/libev.m4
Revision: 1.15
Committed: Sun Feb 20 02:56:23 2011 UTC (13 years, 4 months ago) by root
Branch: MAIN
CVS Tags: rxvt-unicode-rel-9_16, EV_rel-4_11, EV_rel-4_10, rel-4_15, rel-4_11
Changes since 1.14: +5 -2 lines
Log Message:
new floor(), better periodic recalc

File Contents

# User Rev Content
1 root 1.1 dnl this file is part of libev, do not make local modifications
2     dnl http://software.schmorp.de/pkg/libev
3    
4     dnl libev support
5 root 1.12 AC_CHECK_HEADERS(sys/inotify.h sys/epoll.h sys/event.h port.h poll.h sys/select.h sys/eventfd.h sys/signalfd.h)
6 root 1.1
7 root 1.12 AC_CHECK_FUNCS(inotify_init epoll_ctl kqueue port_create poll select eventfd signalfd)
8 root 1.1
9 root 1.14 AC_CHECK_FUNCS(clock_gettime, [], [
10 root 1.11 dnl on linux, try syscall wrapper first
11     if test $(uname) = Linux; then
12     AC_MSG_CHECKING(for clock_gettime syscall)
13     AC_LINK_IFELSE([AC_LANG_PROGRAM(
14 root 1.13 [#include <unistd.h>
15     #include <sys/syscall.h>
16 root 1.11 #include <time.h>],
17     [struct timespec ts; int status = syscall (SYS_clock_gettime, CLOCK_REALTIME, &ts)])],
18     [ac_have_clock_syscall=1
19 root 1.15 AC_DEFINE(HAVE_CLOCK_SYSCALL, 1, Define to 1 to use the syscall interface for clock_gettime)
20 root 1.11 AC_MSG_RESULT(yes)],
21     [AC_MSG_RESULT(no)])
22     fi
23     if test -z "$LIBEV_M4_AVOID_LIBRT" && test -z "$ac_have_clock_syscall"; then
24 root 1.5 AC_CHECK_LIB(rt, clock_gettime)
25 root 1.7 unset ac_cv_func_clock_gettime
26 root 1.5 AC_CHECK_FUNCS(clock_gettime)
27 root 1.3 fi
28 root 1.1 ])
29    
30 root 1.14 AC_CHECK_FUNCS(nanosleep, [], [
31 root 1.8 if test -z "$LIBEV_M4_AVOID_LIBRT"; then
32 root 1.9 AC_CHECK_LIB(rt, nanosleep)
33     unset ac_cv_func_nanosleep
34     AC_CHECK_FUNCS(nanosleep)
35 root 1.8 fi
36     ])
37    
38 root 1.15 if test -z "$LIBEV_M4_AVOID_LIBM"; then
39     LIBM=m
40     fi
41     AC_SEARCH_LIBS(floor, $LIBM, [AC_DEFINE(HAVE_FLOOR, 1, Define to 1 if the floor function is available)])
42 root 1.1