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-rw-r--r--erts/configure.in66
1 files changed, 50 insertions, 16 deletions
diff --git a/erts/configure.in b/erts/configure.in
index 8cf25a70be..408c00c9e9 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
@@ -357,6 +376,16 @@ else
fi
AC_SUBST(OTP_RELEASE)
+AC_MSG_CHECKING([OTP release])
+[SYSTEM_VSN=`cat $ERL_TOP/OTP_VERSION | sed "s|\([0-9]*\).*|\1|"`]
+AC_MSG_RESULT([$SYSTEM_VSN])
+AC_SUBST(SYSTEM_VSN)
+
+AC_MSG_CHECKING([OTP version])
+[OTP_VERSION=`cat $ERL_TOP/OTP_VERSION`]
+AC_MSG_RESULT([$OTP_VERSION])
+AC_SUBST(OTP_VERSION)
+
dnl OK, we might have darwin switches off different kinds, lets
dnl check it all before continuing.
TMPSYS=`uname -s`-`uname -m`
@@ -1250,6 +1279,7 @@ 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)
@@ -1278,6 +1308,7 @@ else
EMU_THR_DEFS="$EMU_THR_DEFS -DERTS_DIRTY_SCHEDULERS"
AC_DEFINE(ERTS_DIRTY_SCHEDULERS, 1, [Define if the emulator supports dirty schedulers])
AC_DEFINE(ERL_NIF_DIRTY_SCHEDULER_SUPPORT, 1, [Dirty scheduler support])
+ AC_DEFINE(ERL_DRV_DIRTY_SCHEDULER_SUPPORT, 1, [Dirty scheduler support])
AC_MSG_RESULT(yes)
else
AC_MSG_RESULT(no)
@@ -2795,6 +2826,11 @@ esac
if test X${enable_fp_exceptions} = Xauto ; then
case $host_os in
+ *linux*)
+ enable_fp_exceptions=no
+ AC_MSG_NOTICE([Floating point exceptions disabled by default on Linux]) ;;
+ *)
+ ;;
darwin*)
enable_fp_exceptions=no
AC_MSG_NOTICE([Floating point exceptions disabled by default on MacOS X]) ;;
@@ -3876,28 +3912,26 @@ esac
if test "$enable_dtrace_test" = "yes" ; then
if test "$DTRACE" = "dtrace" ; then
AC_CHECK_HEADERS(sys/sdt.h)
+ AC_MSG_CHECKING([for 1-stage DTrace precompilation])
# The OS X version of dtrace prints a spurious line here.
if ! dtrace -h $DTRACE_CPP -Iemulator/beam -o ./foo-dtrace.h -s emulator/beam/erlang_dtrace.d; then
AC_MSG_ERROR([Could not precompile erlang_dtrace.d: dtrace -h failed])
fi
+ AC_MSG_RESULT([yes])
- $RM -f dtest.{o,c}
- cat > dtest.c <<_DTEST
- #include "foo-dtrace.h"
- int main(void) { ERLANG_DIST_PORT_BUSY_ENABLED(); return 0; }
-_DTEST
- $CC $CFLAGS -c -o dtest.o dtest.c
-
- $RM -f $DTRACE_2STEP_TEST
- if dtrace -G $DTRACE_CPP $DTRACE_BITS_FLAG -Iemulator/beam -o $DTRACE_2STEP_TEST -s emulator/beam/erlang_dtrace.d dtest.o && \
- test -f $DTRACE_2STEP_TEST ; then
- rm $DTRACE_2STEP_TEST
+ AC_MSG_CHECKING([for 2-stage DTrace precompilation])
+ AC_TRY_COMPILE([ #include "foo-dtrace.h" ],
+ [ERLANG_DIST_PORT_BUSY_ENABLED();],
+ [$RM -f $DTRACE_2STEP_TEST
+ dtrace -G $DTRACE_CPP $DTRACE_BITS_FLAG -Iemulator/beam -o $DTRACE_2STEP_TEST -s emulator/beam/erlang_dtrace.d conftest.$OBJEXT 2>&AS_MESSAGE_LOG_FD
+ if test -f $DTRACE_2STEP_TEST; then
+ rm $DTRACE_2STEP_TEST
DTRACE_ENABLED_2STEP=yes
- AC_MSG_NOTICE([dtrace precompilation for 2-stage DTrace successful])
- else
- AC_MSG_NOTICE([dtrace precompilation for 1-stage DTrace successful])
- fi
- $RM -f dtest.{o,c} foo-dtrace.h
+ fi],
+ [])
+ AS_IF([test "x$DTRACE_ENABLED_2STEP" = "xyes"],
+ [AC_MSG_RESULT([yes])],
+ [AC_MSG_RESULT([no])])
DTRACE_ENABLED=yes
case $OPSYS in