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authorRickard Green <rickard@erlang.org>2015-09-09 18:16:24 +0200
committerRickard Green <rickard@erlang.org>2015-09-09 18:16:24 +0200
commit4cfc35b1ef3667885b8de9df53b8ab8429117865 (patch)
tree592d981a41aee96ae21c01a3049009d65f422bbc /erts/aclocal.m4
parentfff7daa154a1b96b3e11d74bd2d60fc3a41aa832 (diff)
parent08f8b454596d51de367e5559b7104300c2a7b954 (diff)
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Merge branch 'rickard/clock-sources/OTP-12945' into maint
* rickard/clock-sources/OTP-12945: Improve choice of clock sources at build time
Diffstat (limited to 'erts/aclocal.m4')
-rw-r--r--erts/aclocal.m421
1 files changed, 12 insertions, 9 deletions
diff --git a/erts/aclocal.m4 b/erts/aclocal.m4
index 34e7376229..390d6cfc4d 100644
--- a/erts/aclocal.m4
+++ b/erts/aclocal.m4
@@ -940,16 +940,16 @@ AC_DEFUN(ERL_WALL_CLOCK,
erl_wall_clock_low_resolution=no
erl_wall_clock_id=
- case $erl_cv_clock_gettime_wall_$1-$erl_cv_mach_clock_get_time_wall-$ac_cv_func_gettimeofday-$host_os in
- *-*-*-win32)
+ case $1-$erl_cv_clock_gettime_wall_$1-$erl_cv_mach_clock_get_time_wall-$ac_cv_func_gettimeofday-$host_os in
+ *-*-*-*-win32)
erl_wall_clock_func=WindowsAPI
erl_wall_clock_low_resolution=yes
;;
- no-yes-*-*)
+ high_resolution-no-yes-*-*)
erl_wall_clock_func=mach_clock_get_time
erl_wall_clock_id=CALENDAR_CLOCK
;;
- CLOCK_*-*-*-*)
+ *-CLOCK_*-*-*-*)
erl_wall_clock_func=clock_gettime
erl_wall_clock_id=$erl_cv_clock_gettime_wall_$1
for low_res_id in $low_resolution_clock_gettime_wall; do
@@ -959,7 +959,7 @@ AC_DEFUN(ERL_WALL_CLOCK,
fi
done
;;
- no-no-yes-*)
+ *-no-*-yes-*)
erl_wall_clock_func=gettimeofday
;;
*)
@@ -2219,10 +2219,10 @@ AS_HELP_STRING([--with-clock-gettime-monotonic-id=CLOCKID],
[specify clock id to use with clock_gettime() for monotonic time)]))
AC_ARG_ENABLE(prefer-elapsed-monotonic-time-during-suspend,
- AS_HELP_STRING([--enable-prefer-elapsed-monotonic-time-during-suspend],
- [Prefer an OS monotonic time source with elapsed time during suspend])
- AS_HELP_STRING([--disable-prefer-elapsed-monotonic-time-during-suspend],
- [Do not prefer an OS monotonic time source with elapsed time during suspend]),
+AS_HELP_STRING([--enable-prefer-elapsed-monotonic-time-during-suspend],
+ [Prefer an OS monotonic time source with elapsed time during suspend])
+AS_HELP_STRING([--disable-prefer-elapsed-monotonic-time-during-suspend],
+ [Do not prefer an OS monotonic time source with elapsed time during suspend]),
[ case "$enableval" in
yes) prefer_elapsed_monotonic_time_during_suspend=yes ;;
*) prefer_elapsed_monotonic_time_during_suspend=no ;;
@@ -2296,6 +2296,9 @@ case "$erl_wall_clock_func-$erl_wall_clock_id-$with_clock_gettime_realtime_id" i
esac
case $erl_wall_clock_func in
+ none)
+ AC_MSG_ERROR([No wall clock source found])
+ ;;
mach_clock_get_time)
AC_DEFINE(OS_SYSTEM_TIME_USING_MACH_CLOCK_GET_TIME, [1], [Define if you want to implement erts_os_system_time() using mach clock_get_time()])
;;