Mercurial > hg > octave-shane > gnulib-hg

annotate m4/nanosleep.m4 @ 2216:1436eb9e3b18

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
bump serial
author Jim Meyering <jim@meyering.net>
date Tue, 25 Jan 2000 07:25:49 +0000
parents c607416cb941
children 49ab11061fd5
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
2216
1436eb9e3b18 bump serial
Jim Meyering <jim@meyering.net>
parents: 2215
diff changeset
1 #serial 4
2052
3c79d37078c2 *** empty log message ***
Jim Meyering <jim@meyering.net>
parents:
diff changeset
2
3c79d37078c2 *** empty log message ***
Jim Meyering <jim@meyering.net>
parents:
diff changeset
3 dnl From Jim Meyering.
2066
8e707880be9b tweak comment
Jim Meyering <jim@meyering.net>
parents: 2065
diff changeset
4 dnl Check for the nanosleep function.
8e707880be9b tweak comment
Jim Meyering <jim@meyering.net>
parents: 2065
diff changeset
5 dnl If not found, use the supplied replacement.
2052
3c79d37078c2 *** empty log message ***
Jim Meyering <jim@meyering.net>
parents:
diff changeset
6 dnl
3c79d37078c2 *** empty log message ***
Jim Meyering <jim@meyering.net>
parents:
diff changeset
7
3c79d37078c2 *** empty log message ***
Jim Meyering <jim@meyering.net>
parents:
diff changeset
8 AC_DEFUN(jm_FUNC_NANOSLEEP,
3c79d37078c2 *** empty log message ***
Jim Meyering <jim@meyering.net>
parents:
diff changeset
9 [
2065
e1a744db4db5 (jm_FUNC_NANOSLEEP): Search for nanosleep in -lrt
Jim Meyering <jim@meyering.net>
parents: 2055
diff changeset
10 # Solaris 2.5.1 needs -lposix4 to get the nanosleep function.
e1a744db4db5 (jm_FUNC_NANOSLEEP): Search for nanosleep in -lrt
Jim Meyering <jim@meyering.net>
parents: 2055
diff changeset
11 # Solaris 7 prefers the library name -lrt to the obsolescent name -lposix4.
e1a744db4db5 (jm_FUNC_NANOSLEEP): Search for nanosleep in -lrt
Jim Meyering <jim@meyering.net>
parents: 2055
diff changeset
12 AC_SEARCH_LIBS(nanosleep, [rt posix4])
e1a744db4db5 (jm_FUNC_NANOSLEEP): Search for nanosleep in -lrt
Jim Meyering <jim@meyering.net>
parents: 2055
diff changeset
13
2052
3c79d37078c2 *** empty log message ***
Jim Meyering <jim@meyering.net>
parents:
diff changeset
14 AC_CACHE_CHECK([whether nanosleep works],
3c79d37078c2 *** empty log message ***
Jim Meyering <jim@meyering.net>
parents:
diff changeset
15 jm_cv_func_nanosleep_works,
2160
72cc32066c5d (jm_FUNC_NANOSLEEP): Include <sys/time.h>, too.
Jim Meyering <jim@meyering.net>
parents: 2066
diff changeset
16 [
2214
0428e8e0e9d4 Require AC_HEADER_TIME rather than simply using it.
Jim Meyering <jim@meyering.net>
parents: 2160
diff changeset
17 AC_REQUIRE([AC_HEADER_TIME])
2160
72cc32066c5d (jm_FUNC_NANOSLEEP): Include <sys/time.h>, too.
Jim Meyering <jim@meyering.net>
parents: 2066
diff changeset
18 AC_TRY_RUN([
72cc32066c5d (jm_FUNC_NANOSLEEP): Include <sys/time.h>, too.
Jim Meyering <jim@meyering.net>
parents: 2066
diff changeset
19 # if TIME_WITH_SYS_TIME
72cc32066c5d (jm_FUNC_NANOSLEEP): Include <sys/time.h>, too.
Jim Meyering <jim@meyering.net>
parents: 2066
diff changeset
20 # include <sys/time.h>
72cc32066c5d (jm_FUNC_NANOSLEEP): Include <sys/time.h>, too.
Jim Meyering <jim@meyering.net>
parents: 2066
diff changeset
21 # include <time.h>
72cc32066c5d (jm_FUNC_NANOSLEEP): Include <sys/time.h>, too.
Jim Meyering <jim@meyering.net>
parents: 2066
diff changeset
22 # else
72cc32066c5d (jm_FUNC_NANOSLEEP): Include <sys/time.h>, too.
Jim Meyering <jim@meyering.net>
parents: 2066
diff changeset
23 # if HAVE_SYS_TIME_H
72cc32066c5d (jm_FUNC_NANOSLEEP): Include <sys/time.h>, too.
Jim Meyering <jim@meyering.net>
parents: 2066
diff changeset
24 # include <sys/time.h>
72cc32066c5d (jm_FUNC_NANOSLEEP): Include <sys/time.h>, too.
Jim Meyering <jim@meyering.net>
parents: 2066
diff changeset
25 # else
72cc32066c5d (jm_FUNC_NANOSLEEP): Include <sys/time.h>, too.
Jim Meyering <jim@meyering.net>
parents: 2066
diff changeset
26 # include <time.h>
72cc32066c5d (jm_FUNC_NANOSLEEP): Include <sys/time.h>, too.
Jim Meyering <jim@meyering.net>
parents: 2066
diff changeset
27 # endif
72cc32066c5d (jm_FUNC_NANOSLEEP): Include <sys/time.h>, too.
Jim Meyering <jim@meyering.net>
parents: 2066
diff changeset
28 # endif
2052
3c79d37078c2 *** empty log message ***
Jim Meyering <jim@meyering.net>
parents:
diff changeset
29
3c79d37078c2 *** empty log message ***
Jim Meyering <jim@meyering.net>
parents:
diff changeset
30 int
3c79d37078c2 *** empty log message ***
Jim Meyering <jim@meyering.net>
parents:
diff changeset
31 main ()
3c79d37078c2 *** empty log message ***
Jim Meyering <jim@meyering.net>
parents:
diff changeset
32 {
3c79d37078c2 *** empty log message ***
Jim Meyering <jim@meyering.net>
parents:
diff changeset
33 struct timespec ts_sleep, ts_remaining;
3c79d37078c2 *** empty log message ***
Jim Meyering <jim@meyering.net>
parents:
diff changeset
34 ts_sleep.tv_sec = 0;
3c79d37078c2 *** empty log message ***
Jim Meyering <jim@meyering.net>
parents:
diff changeset
35 ts_sleep.tv_nsec = 1;
2055
644068f5da98 *** empty log message ***
Jim Meyering <jim@meyering.net>
parents: 2052
diff changeset
36 exit (nanosleep (&ts_sleep, &ts_remaining) == 0 ? 0 : 1);
2052
3c79d37078c2 *** empty log message ***
Jim Meyering <jim@meyering.net>
parents:
diff changeset
37 }
3c79d37078c2 *** empty log message ***
Jim Meyering <jim@meyering.net>
parents:
diff changeset
38 ],
3c79d37078c2 *** empty log message ***
Jim Meyering <jim@meyering.net>
parents:
diff changeset
39 jm_cv_func_nanosleep_works=yes,
3c79d37078c2 *** empty log message ***
Jim Meyering <jim@meyering.net>
parents:
diff changeset
40 jm_cv_func_nanosleep_works=no,
3c79d37078c2 *** empty log message ***
Jim Meyering <jim@meyering.net>
parents:
diff changeset
41 dnl When crosscompiling, assume the worst.
2215
c607416cb941 Fix typo in cross-compiling case: s/yes/no/.
Jim Meyering <jim@meyering.net>
parents: 2214
diff changeset
42 jm_cv_func_nanosleep_works=no)
2052
3c79d37078c2 *** empty log message ***
Jim Meyering <jim@meyering.net>
parents:
diff changeset
43 ])
3c79d37078c2 *** empty log message ***
Jim Meyering <jim@meyering.net>
parents:
diff changeset
44 if test $jm_cv_func_nanosleep_works = no; then
3c79d37078c2 *** empty log message ***
Jim Meyering <jim@meyering.net>
parents:
diff changeset
45 AC_SUBST(LIBOBJS)
3c79d37078c2 *** empty log message ***
Jim Meyering <jim@meyering.net>
parents:
diff changeset
46 LIBOBJS="$LIBOBJS nanosleep.$ac_objext"
3c79d37078c2 *** empty log message ***
Jim Meyering <jim@meyering.net>
parents:
diff changeset
47 AC_DEFINE_UNQUOTED(nanosleep, gnu_nanosleep,
3c79d37078c2 *** empty log message ***
Jim Meyering <jim@meyering.net>
parents:
diff changeset
48 [Define to gnu_nanosleep if the replacement function should be used.])
3c79d37078c2 *** empty log message ***
Jim Meyering <jim@meyering.net>
parents:
diff changeset
49 fi
3c79d37078c2 *** empty log message ***
Jim Meyering <jim@meyering.net>
parents:
diff changeset
50 ])