diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac index dd4607c9..520fa02c 100644 --- a/configure.ac +++ b/configure.ac @@ -47,6 +47,10 @@ AC_ARG_WITH([max-cpus], [opt_max_cpus=$withval], [opt_max_cpus=128]) +AC_ARG_ENABLE([mutex-adaptive], + [AS_HELP_STRING([--enable-mutex-adaptive], + [enable adaptive spinning mutexes])]) + AC_ARG_ENABLE([mutex-pi], [AS_HELP_STRING([--enable-mutex-pi], [enable priority inheritance for regular mutexes @@ -100,11 +104,22 @@ AC_DEFINE_UNQUOTED([X15_MAX_CPUS], [$opt_max_cpus], [maximum number of supported processors]) AC_MSG_NOTICE([maximum number of supported processors: $opt_max_cpus]) -AS_IF([test x"$enable_mutex_pi" = xyes], +AS_IF([test x"$enable_mutex_adaptive" = xyes -a x"$enable_mutex_pi" = xyes], + [AC_MSG_ERROR([--enable-mutex-adaptive and --enable-mutex-pi are mutually exclusive])]) + +AS_IF([test x"$enable_mutex_adaptive" = xyes], + [mutex_impl="adaptive spinning"], + [test x"$enable_mutex_pi" = xyes], [mutex_impl="priority inheritance"], [mutex_impl=plain]) AC_MSG_NOTICE([mutex implementation: $mutex_impl]) +AS_IF([test x"$enable_mutex_adaptive" = xyes], + [AC_DEFINE_UNQUOTED([X15_MUTEX_ADAPTIVE], [], + [Enable adaptive mutexes])]) +AM_CONDITIONAL([MUTEX_ADAPTIVE], + [test x"$enable_mutex_adaptive" = xyes]) + AS_IF([test x"$enable_mutex_pi" = xyes], [AC_DEFINE_UNQUOTED([X15_MUTEX_PI], [], [Enable priority inheritance for regular mutexes])]) |