aboutsummaryrefslogtreecommitdiffstats
path: root/erts/configure.in
diff options
context:
space:
mode:
Diffstat (limited to 'erts/configure.in')
-rw-r--r--erts/configure.in149
1 files changed, 80 insertions, 69 deletions
diff --git a/erts/configure.in b/erts/configure.in
index b3fe48d62c..22ca7ec17d 100644
--- a/erts/configure.in
+++ b/erts/configure.in
@@ -2,18 +2,19 @@ dnl Process this file with autoconf to produce a configure script. -*-m4-*-
dnl %CopyrightBegin%
dnl
-dnl Copyright Ericsson AB 1997-2014. All Rights Reserved.
+dnl Copyright Ericsson AB 1997-2015. 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
-dnl compliance with the License. You should have received a copy of the
-dnl Erlang Public License along with this software. If not, it can be
-dnl retrieved online at http://www.erlang.org/.
+dnl Licensed under the Apache License, Version 2.0 (the "License");
+dnl you may not use this file except in compliance with the License.
+dnl You may obtain a copy of the License at
dnl
-dnl Software distributed under the License is distributed on an "AS IS"
-dnl basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
-dnl the License for the specific language governing rights and limitations
-dnl under the License.
+dnl http://www.apache.org/licenses/LICENSE-2.0
+dnl
+dnl Unless required by applicable law or agreed to in writing, software
+dnl distributed under the License is distributed on an "AS IS" BASIS,
+dnl WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+dnl See the License for the specific language governing permissions and
+dnl limitations under the License.
dnl
dnl %CopyrightEnd%
@@ -264,24 +265,6 @@ AS_HELP_STRING([--enable-m32-build],
esac
],enable_m32_build=no)
-AC_SUBST(PERFCTR_PATH)
-AC_ARG_WITH(perfctr,
-AS_HELP_STRING([--with-perfctr=PATH],
- [specify location of perfctr include and lib])
-AS_HELP_STRING([--without-perfctr], [don't use perfctr (default)]))
-
-if test "x$with_perfctr" = "xno" -o "x$with_perfctr" = "x" ; then
- PERFCTR_PATH=
-else
- if test ! -f "$with_perfctr/usr.lib/libperfctr.a" ; then
- AC_MSG_ERROR(Invalid path to option --with-perfctr=PATH)
- fi
- PERFCTR_PATH="$with_perfctr"
- AC_DEFINE(USE_PERFCTR,[1],
- [Define to enable hrvtime() on Linux systems with perfctr extension])
-fi
-
-
AC_ARG_WITH(dynamic-trace,
AS_HELP_STRING([--with-dynamic-trace={dtrace|systemtap}],
[specify use of dynamic trace framework, dtrace or systemtap])
@@ -335,15 +318,6 @@ if test X"$use_vm_probes" = X"yes"; then
[Define to enable VM dynamic trace probes])
fi
-
-AC_ARG_ENABLE(clock-gettime,
-AS_HELP_STRING([--enable-clock-gettime],
- [use clock-gettime for time correction]),
-[ case "$enableval" in
- no) clock_gettime_correction=no ;;
- *) 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)]))
@@ -649,7 +623,7 @@ fi
case $chk_opsys_ in
win32) OPSYS=win32;;
solaris2.*|SunOS5.*) OPSYS=sol2;;
- linux|Linux) OPSYS=linux;;
+ linux*|Linux) OPSYS=linux;;
darwin|Darwin) OPSYS=darwin;;
freebsd|FreeBSD) OPSYS=freebsd;;
*) OPSYS=noopsys
@@ -676,6 +650,7 @@ case $chk_arch_ in
powerpc) ARCH=ppc;;
ppc) ARCH=ppc;;
ppc64) ARCH=ppc64;;
+ ppc64le) ARCH=ppc64;;
"Power Macintosh") ARCH=ppc;;
armv5b) ARCH=arm;;
armv5teb) ARCH=arm;;
@@ -1123,10 +1098,31 @@ if test $ERTS_BUILD_SMP_EMU = yes; then
case "$ethr_have_native_atomics-$smp_require_native_atomics-$ethr_have_native_spinlock" in
yes-*)
+ if test "$ethr_native_atomic_implementation" = "gcc_sync"; then
+ test -f "$ERL_TOP/erts/CONF_INFO" ||
+ echo "" > "$ERL_TOP/erts/CONF_INFO"
+ cat >> $ERL_TOP/erts/CONF_INFO <<EOF
+
+ WARNING:
+ Only gcc's __sync_* builtins available for
+ atomic memory access. This will cause lots
+ of expensive and unnecessary memory barrier
+ instructions to be issued which will make
+ the performance of the runtime system
+ suffer. You are *strongly* advised to
+ upgrade to a gcc version that supports the
+ __atomic_* builtins (at least gcc version
+ 4.7) or build with libatomic_ops. See the
+ "Atomic Memory Operations and the VM"
+ chapter of \$ERL_TOP/HOWTO/INSTALL.md for
+ more information.
+
+EOF
+ fi
;;
no-yes-*)
- AC_MSG_ERROR([No native atomic implementation found. See Configuring section in INSTALL.md for more information.])
+ AC_MSG_ERROR([No native atomic implementation found. See the \"Atomic Memory Operations and the VM\" chapter of \$ERL_TOP/HOWTO/INSTALL.md for more information.])
;;
no-no-yes)
@@ -1555,10 +1551,11 @@ if test "$have_gethostbyname_r" = yes; then
[Define to flavour of gethostbyname_r]))
;;
*)
- AC_EGREP_CPP(yes,[#include <stdio.h>
- #ifdef __GLIBC__
- yes
- #endif
+ AC_EGREP_CPP(^yes$,[
+#include <stdio.h>
+#ifdef __GLIBC__
+yes
+#endif
], AC_DEFINE(HAVE_GETHOSTBYNAME_R, GHBN_R_GLIBC,
[Define to flavour of gethostbyname_r]))
;;
@@ -1765,6 +1762,10 @@ AC_CHECK_HEADER(sys/event.h, have_kernel_poll=kqueue)
AC_CHECK_HEADER(sys/epoll.h, have_kernel_poll=epoll)
AC_CHECK_HEADER(sys/devpoll.h, have_kernel_poll=/dev/poll)
+dnl Check if we have timerfds to be used for high accuracy
+dnl epoll_wait timeouts
+AC_CHECK_HEADERS([sys/timerfd.h])
+
dnl Check for kernel SCTP support
AC_SUBST(LIBSCTP)
if test "x$enable_sctp" != "xno" ; then
@@ -2110,7 +2111,7 @@ AC_CHECK_FUNCS([ieee_handler fpsetmask finite isnan isinf res_gethostbyname dlop
gethrtime localtime_r gmtime_r inet_pton \
memcpy mallopt sbrk _sbrk __sbrk brk _brk __brk \
flockfile fstat strlcpy strlcat setsid posix2time time2posix \
- setlocale nl_langinfo poll mlockall])
+ setlocale nl_langinfo poll mlockall ppoll])
AC_MSG_CHECKING([for isfinite])
AC_TRY_LINK([#include <math.h>],
@@ -2913,6 +2914,10 @@ else
#include <signal.h>
#include <stdlib.h>
+#if defined(__clang__) || defined(__llvm__)
+#error "Clang/LLVM generates broken code for FP exceptions"
+#endif
+
volatile int erl_fp_exception;
/*
@@ -3503,19 +3508,6 @@ fi
AC_SUBST(NATIVE_LIBS_ENABLED)
#
-# Check if HiPE should use a standard installation of perfctr.
-#
-AC_SUBST(USE_PERFCTR)
-if test "x$HIPE_ENABLED" = "xyes" ; then
- if test "x$with_perfctr" = "x" ; then
- AC_CHECK_LIB(perfctr, vperfctr_info, [USE_PERFCTR=1
- AC_DEFINE(USE_PERFCTR,[1],[Define to enable hrvtime() on Linux systems with perfctr extension])])
- elif test "x$with_perfctr" != "xno" ; then
- USE_PERFCTR=1
- fi
-fi
-
-#
# Check for working poll().
#
AC_MSG_CHECKING([for working poll()])
@@ -4303,10 +4295,10 @@ case "$erl_xcomp_without_sysroot-$with_ssl" in
SSL_INCLUDE="-I$dir/include"
old_CPPFLAGS=$CPPFLAGS
CPPFLAGS=$SSL_INCLUDE
- AC_EGREP_CPP(yes,[
+ AC_EGREP_CPP(^yes$,[
#include <openssl/opensslv.h>
#if OPENSSL_VERSION_NUMBER >= 0x0090700fL
- yes
+yes
#endif
],[
ssl_found=yes
@@ -4501,10 +4493,10 @@ if test "x$SSL_APP" != "x" ; then
AC_MSG_CHECKING(for OpenSSL kerberos 5 support)
old_CPPFLAGS=$CPPFLAGS
CPPFLAGS=$SSL_INCLUDE
- AC_EGREP_CPP(yes,[
+ AC_EGREP_CPP(^yes$,[
#include <openssl/opensslconf.h>
#ifndef OPENSSL_NO_KRB5
- yes
+yes
#endif
],[
AC_MSG_RESULT([yes])
@@ -4701,18 +4693,32 @@ AC_SUBST(os_mon_programs)
AC_SUBST(CPU_SUP_LIBS)
AC_CHECK_LIB(kstat, kstat_open, [
- os_mon_programs="$os_mon_programs cpu_sup"
+ use_cpu_sup=yes
CPU_SUP_LIBS="$CPU_SUP_LIBS -lkstat"
])
+AC_CHECK_LIB(kvm, kvm_open, [
+ use_cpu_sup=yes
+ CPU_SUP_LIBS="$CPU_SUP_LIBS -lkvm"
+ ])
+
case $host_os in
solaris2*)
os_mon_programs="$os_mon_programs ferrule mod_syslog" ;;
+ darwin*)
+ use_cpu_sup=yes ;;
+ openbsd*)
+ use_cpu_sup=yes ;;
linux*)
- os_mon_programs="$os_mon_programs cpu_sup" ;;
+ use_cpu_sup=yes ;;
+ freebsd*)
+ use_cpu_sup=yes ;;
esac
-
+if test "$use_cpu_sup" = "yes"; then
+ os_mon_programs="$os_mon_programs cpu_sup"
+fi
+
AC_ARG_WITH(javac,
AS_HELP_STRING([--with-javac=JAVAC], [specify Java compiler to use])
AS_HELP_STRING([--with-javac], [use a Java compiler if found (default)])
@@ -4743,12 +4749,12 @@ fi
AC_CHECK_PROGS(JAVAC, $check_javac)
if test -n "$JAVAC"; then
- dnl Make sure it's at least JDK 1.5
- AC_CACHE_CHECK(for JDK version 1.5,
- ac_cv_prog_javac_ver_1_5,
+ dnl Make sure it's at least JDK 1.6
+ AC_CACHE_CHECK(for JDK version 1.6,
+ ac_cv_prog_javac_ver_1_6,
[ERL_TRY_LINK_JAVA([], [for (String i : args);],
- ac_cv_prog_javac_ver_1_5=yes, ac_cv_prog_javac_ver_1_5=no)])
- if test $ac_cv_prog_javac_ver_1_5 = no; then
+ ac_cv_prog_javac_ver_1_6=yes, ac_cv_prog_javac_ver_1_6=no)])
+ if test $ac_cv_prog_javac_ver_1_6 = no; then
unset -v JAVAC
fi
fi
@@ -4905,6 +4911,11 @@ LDFLAGS="$LDFLAGS $sanitizers"
])
dnl ----------------------------------------------------------------------
+dnl Check for log2
+dnl ----------------------------------------------------------------------
+AC_CHECK_FUNCS([log2])
+
+dnl ----------------------------------------------------------------------
dnl Output the result.
dnl ----------------------------------------------------------------------