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check for clock_getcpuclockid in gl_CLOCK_TIME

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* acinclude.m4 (gl_CLOCK_TIME): It could be that clock_gettime is in
  libc but clock_getcpuclockid is not, so check for that explicitly.
This commit is contained in:
Andy Wingo 2011-05-20 18:48:33 +02:00
commit 074f39c7bc
2 changed files with 11 additions and 4 deletions
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12
acinclude.m4
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@ -529,8 +529,14 @@ AC_DEFUN([gl_CLOCK_TIME],
AC_SUBST([LIB_CLOCK_GETTIME])
gl_saved_libs=$LIBS
AC_SEARCH_LIBS([clock_gettime], [rt posix4],
[test "$ac_cv_search_clock_gettime" = "none required" ||
LIB_CLOCK_GETTIME=$ac_cv_search_clock_gettime])
AC_CHECK_FUNCS([clock_gettime clock_settime])
[if test "$ac_cv_search_clock_gettime" = "none required"; then
AC_SEARCH_LIBS([clock_getcpuclockid], [rt posix4],
[test "$ac_cv_search_clock_getcpuclockid" = "none required" \
|| LIB_CLOCK_GETTIME=$ac_cv_search_clock_getcpuclockid],
[LIB_CLOCK_GETTIME=$ac_cv_search_clock_gettime])
else
LIB_CLOCK_GETTIME=$ac_cv_search_clock_gettime
fi])
AC_CHECK_FUNCS([clock_gettime clock_settime clock_getcpuclockid])
LIBS=$gl_saved_libs
])