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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
parent 933c6eb795
commit 074f39c7bc
2 changed files with 11 additions and 4 deletions
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12
acinclude.m4
View file

@ -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
])

3
configure.ac
View file

@ -67,7 +67,8 @@ AC_PROG_LN_S
dnl Gnulib.
gl_INIT
dnl FIXME: remove me and the acinclude.m4 code when clock-gettime is
dnl LGPL-compatible and can be imported normally.
dnl fixed for clock_getcpuclockid and can be imported normally from
dnl gnulib.
gl_CLOCK_TIME
AC_PROG_CC_C89