diff options
Diffstat (limited to 'erts/configure.in')
| -rw-r--r-- | erts/configure.in | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/erts/configure.in b/erts/configure.in index 074882532f..208c294106 100644 --- a/erts/configure.in +++ b/erts/configure.in @@ -2,7 +2,7 @@ dnl Process this file with autoconf to produce a configure script. -*-m4-*- dnl %CopyrightBegin% dnl -dnl Copyright Ericsson AB 1997-2013. All Rights Reserved. +dnl Copyright Ericsson AB 1997-2014. All Rights Reserved. dnl dnl The contents of this file are subject to the Erlang Public License, dnl Version 1.1, (the "License"); you may not use this file except in @@ -144,7 +144,7 @@ AS_HELP_STRING([--enable-dirty-schedulers], [enable dirty scheduler support]), AC_ARG_ENABLE(halfword-emulator, AS_HELP_STRING([--enable-halfword-emulator], - [enable halfword emulator (only for 64bit builds)]), + [enable halfword emulator (only for 64bit builds). Note: Halfword emulator is marked as deprecated and scheduled for removal in future major release.]), [ case "$enableval" in no) enable_halfword_emualtor=no ;; *) enable_halfword_emulator=yes ;; @@ -816,6 +816,16 @@ if test "$enable_halfword_emulator" = "yes"; then [Define if building a halfword-heap 64bit emulator]) ENABLE_ALLOC_TYPE_VARS="$ENABLE_ALLOC_TYPE_VARS halfword" AC_MSG_RESULT([yes]) + + test -f "$ERL_TOP/erts/CONF_INFO" || + echo "" > "$ERL_TOP/erts/CONF_INFO" + cat >> $ERL_TOP/erts/CONF_INFO <<EOF + + The HALFWORD emulator has been enabled. + This is a DEPRECATED feature scheduled for removal + in a future major release. + +EOF else AC_MSG_ERROR(no; halfword emulator not supported on this architecture) fi @@ -1151,7 +1161,7 @@ fi AC_SUBST(ERTS_BUILD_SMP_EMU) -AC_CHECK_FUNCS([posix_fadvise]) +AC_CHECK_FUNCS([posix_fadvise closefrom]) AC_CHECK_HEADERS([linux/falloc.h]) dnl * Old glibcs have broken fallocate64(). Make sure not to use it. AC_CACHE_CHECK([whether fallocate() works],i_cv_fallocate_works,[ |