diff options
Diffstat (limited to 'erts/configure.ac')
| -rw-r--r-- | erts/configure.ac | 36 |
1 files changed, 34 insertions, 2 deletions
diff --git a/erts/configure.ac b/erts/configure.ac index bedaff3c0b..540cc4b3cb 100644 --- a/erts/configure.ac +++ b/erts/configure.ac @@ -2,7 +2,7 @@ dnl Process this file with autoconf to produce a configure script. -*-Autoconf-* dnl %CopyrightBegin% dnl -dnl Copyright Ericsson AB 1997-2022. All Rights Reserved. +dnl Copyright Ericsson AB 1997-2023. All Rights Reserved. dnl dnl Licensed under the Apache License, Version 2.0 (the "License"); dnl you may not use this file except in compliance with the License. @@ -1356,6 +1356,19 @@ if test "x$enable_esock_rcvsndtimeo" = "xyes"; then fi +dnl *** ESOCK_USE_EXTERNDED_ERROR_INFO *** + +AC_ARG_ENABLE(esock_extended_error_info, +AS_HELP_STRING([--enable-esock-extended-error-info], [enable use of extended error info]) +AS_HELP_STRING([--disable-esock-extended-error-info], [disable use of extended error info (default)])) + +dnl Temporary! Currently we require eei to be *explicitly* +dnl disabled (for debug reasons). +if test "x$enable_esock_extended_error_info" != "xno"; then + AC_DEFINE(ESOCK_USE_EXTENDED_ERROR_INFO, [1], [Use extended error info]) +fi + + dnl *** ESOCK_COUNTER_SIZE *** AC_ARG_WITH(esock-counter-size, @@ -2855,7 +2868,26 @@ AS_IF([test ${enable_jit} != no], JIT_ARCH=x86 ;; arm64) - JIT_ARCH=arm + case "$OPSYS" in + win32|darwin) + # These platforms have dedicated system calls for clearing + # instruction cache, and don't require us to manually issue + # instruction barriers on all threads. + JIT_ARCH=arm + ;; + *) + # We need to use `DC CVAU`, `IC IVAU`, and `ISB SY` to clear + # instruction cache. These have already been tested as part of + # ETHR_CHK_GCC_ATOMIC_OPS([]). + + if test "$ethr_arm_isb_sy_instr_val$ethr_arm_dc_cvau_instr_val$ethr_arm_ic_ivau_instr_val" = "111"; then + JIT_ARCH=arm + else + enable_jit=no + AC_MSG_WARN([JIT disabled due to lack of cache-clearing instructions]) + fi + ;; + esac ;; *) if test ${enable_jit} = yes; then |