diff options
Diffstat (limited to 'erts/configure.in')
| -rw-r--r-- | erts/configure.in | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/erts/configure.in b/erts/configure.in index 02e5d12918..46e5a15751 100644 --- a/erts/configure.in +++ b/erts/configure.in @@ -347,6 +347,25 @@ AS_HELP_STRING([--enable-clock-gettime], *) clock_gettime_correction=yes ;; esac ], clock_gettime_correction=unknown) +AC_ARG_WITH(assumed-cache-line-size, +AS_HELP_STRING([--with-assumed-cache-line-size=SIZE], + [specify assumed cache line size in bytes (valid values are powers of two between and including 16 and 8192; default is 64)])) + +dnl Require the assumed cache-line size to be a power of two between 16 and 8192 +case "$with_assumed_cache_line_size" in + ""|no|yes) + with_assumed_cache_line_size=64;; + 16|32|64|128|256|512|1024|2048|4096|8192) + ;; + *) + AC_MSG_ERROR([Invalid assumed cache-line size of $with_assumed_cache_line_size bytes]) + ;; +esac + +AC_DEFINE_UNQUOTED(ASSUMED_CACHE_LINE_SIZE, + $with_assumed_cache_line_size, + [Assumed cache-line size (in bytes)]) + dnl Magic test for clearcase. OTP_RELEASE= if test "${ERLANG_COMMERCIAL_BUILD}" != ""; then @@ -1243,6 +1262,7 @@ if test $emu_threads != yes; then AC_MSG_CHECKING(whether dirty schedulers should be enabled) if test "x$enable_dirty_schedulers" != "xno"; then AC_DEFINE(ERL_NIF_DIRTY_SCHEDULER_SUPPORT, 1, [Dirty scheduler support]) + AC_DEFINE(ERL_DRV_DIRTY_SCHEDULER_SUPPORT, 1, [Dirty scheduler support]) AC_MSG_RESULT(yes) else AC_MSG_RESULT(no) @@ -1271,6 +1291,7 @@ else EMU_THR_DEFS="$EMU_THR_DEFS -DERTS_DIRTY_SCHEDULERS" AC_DEFINE(ERTS_DIRTY_SCHEDULERS, 1, [Define if the emulator supports dirty schedulers]) AC_DEFINE(ERL_NIF_DIRTY_SCHEDULER_SUPPORT, 1, [Dirty scheduler support]) + AC_DEFINE(ERL_DRV_DIRTY_SCHEDULER_SUPPORT, 1, [Dirty scheduler support]) AC_MSG_RESULT(yes) else AC_MSG_RESULT(no) |