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-rw-r--r--erts/configure.in40
1 files changed, 19 insertions, 21 deletions
diff --git a/erts/configure.in b/erts/configure.in
index 6765f47a88..4a63381eb7 100644
--- a/erts/configure.in
+++ b/erts/configure.in
@@ -99,7 +99,7 @@ ERL_XCOMP_SYSROOT_INIT
AC_ISC_POSIX
-AC_CONFIG_HEADER($host/config.h:config.h.in include/internal/$host/ethread_header_config.h:include/internal/ethread_header_config.h.in include/$host/erl_int_sizes_config.h:include/erl_int_sizes_config.h.in include/$host/erl_native_features_config.h:include/erl_native_features_config.h.in)
+AC_CONFIG_HEADER($host/config.h:config.h.in include/internal/$host/ethread_header_config.h:include/internal/ethread_header_config.h.in include/$host/erl_int_sizes_config.h:include/erl_int_sizes_config.h.in)
dnl ----------------------------------------------------------------------
dnl Optional features.
dnl ----------------------------------------------------------------------
@@ -137,7 +137,7 @@ AS_HELP_STRING([--enable-dirty-schedulers], [enable dirty scheduler support]),
[ case "$enableval" in
no) enable_dirty_schedulers=no ;;
*) enable_dirty_schedulers=yes ;;
- esac ], enable_dirty_schedulers=no)
+ esac ], enable_dirty_schedulers=default)
AC_ARG_ENABLE(smp-support,
AS_HELP_STRING([--enable-smp-support], [enable smp support])
@@ -1006,6 +1006,23 @@ case $ERTS_BUILD_SMP_EMU in
;;
esac
+AC_MSG_CHECKING(whether dirty schedulers should be enabled)
+case $ERTS_BUILD_SMP_EMU-$enable_dirty_schedulers in
+ yes-yes)
+ DIRTY_SCHEDULER_SUPPORT=yes;;
+ yes-default)
+ ## Maybe yes for OTP 19...
+ DIRTY_SCHEDULER_SUPPORT=no;;
+ no-default)
+ DIRTY_SCHEDULER_SUPPORT=no;;
+ no-yes)
+ AC_MSG_ERROR([No smp emulator will be built, but dirty schedulers requested]);;
+ *)
+ DIRTY_SCHEDULER_SUPPORT=no;;
+esac
+AC_MSG_RESULT($DIRTY_SCHEDULER_SUPPORT)
+AC_SUBST(DIRTY_SCHEDULER_SUPPORT)
+
if test $ERTS_BUILD_SMP_EMU = yes; then
if test $found_threads = no; then
@@ -1208,14 +1225,6 @@ esac
if test $emu_threads != yes; then
enable_lock_check=no
enable_lock_count=no
- AC_MSG_CHECKING(whether dirty schedulers should be enabled)
- if test "x$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)
- fi
else
# Threads enabled for emulator
EMU_THR_LIB_NAME=$ETHR_LIB_NAME
@@ -1235,17 +1244,6 @@ else
EMU_THR_DEFS="$EMU_THR_DEFS -DERTS_ENABLE_LOCK_COUNT"
fi
- AC_MSG_CHECKING(whether dirty schedulers should be enabled)
- if test "x$enable_dirty_schedulers" != "xno"; then
- EMU_THR_DEFS="$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)
- fi
-
case $host_os in
linux*)
AC_MSG_CHECKING([whether dlopen() needs to be called before first call to dlerror()])