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event/external: prefer external event component

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Signed-off-by: Jeff Squyres <jsquyres@cisco.com>

(cherry picked from commit open-mpi/ompi@a70ecf5267)
Этот коммит содержится в:
Jeff Squyres 2018-07-17 18:14:33 -07:00 коммит произвёл Gilles Gouaillardet
родитель 6f5a453492
Коммит 1ea021933f
2 изменённых файлов: 125 добавлений и 81 удалений
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31
opal/mca/event/configure.m4
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@ -18,11 +18,42 @@ dnl opal/mca/event/event.h.
dnl We only want one winning component (vs. STOP_AT_FIRST_PRIORITY,
dnl which will allow all components of the same priority who succeed to
dnl win)
m4_define(MCA_opal_event_CONFIGURE_MODE, STOP_AT_FIRST)
dnl
dnl Setup --with-libevent and --with-libevent-libdir
dnl
AC_DEFUN([MCA_opal_event_SETUP],[
AC_ARG_WITH([libevent],
[AC_HELP_STRING([--with-libevent=DIR],
[Search for libevent headers and libraries in DIR. Should only be used if an external copy of libevent is being used.])])
# Bozo check
AS_IF([test "$with_libevent" = "no"],
[AC_MSG_WARN([It is not possible to configure Open MPI --without-libevent])
AC_MSG_ERROR([Cannot continue])])
AS_IF([test "$with_libevent" = "yes"],
[with_libevent=])
AC_ARG_WITH([libevent-libdir],
[AC_HELP_STRING([--with-libevent-libdir=DIR],
[Search for libevent libraries in DIR. Should only be used if an external copy of libevent is being used.])])
# Make sure the user didn't specify --with-libevent=internal and
# --with-libevent-libdir=whatever (because you can only specify
# --with-libevent-libdir when external libevent is being used).
AS_IF([test "$with_libevent" = "internal" && test -n "$with_libevent_libdir"],
[AC_MSG_WARN([Both --with-libevent=internal and --with-libevent-libdir=DIR])
AC_MSG_WARN([were specified, which does not make sense.])
AC_MSG_ERROR([Cannot continue])])
])
AC_DEFUN([MCA_opal_event_CONFIG],[
opal_event_base_include=
MCA_opal_event_SETUP
# configure all the components
MCA_CONFIGURE_FRAMEWORK($1, $2, 1)

175
opal/mca/event/external/configure.m4 поставляемый
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@ -1,8 +1,8 @@
# -*- shell-script -*-
#
# Copyright (c) 2009-2013 Cisco Systems, Inc. All rights reserved.
# Copyright (c) 2009-2018 Cisco Systems, Inc. All rights reserved
# Copyright (c) 2013 Los Alamos National Security, LLC. All rights reserved.
# Copyright (c) 2015-2017 Research Organization for Information Science
# Copyright (c) 2015-2018 Research Organization for Information Science
# and Technology (RIST). All rights reserved.
#
# Copyright (c) 2017 Intel, Inc. All rights reserved.
@ -56,72 +56,59 @@ AC_DEFUN([MCA_opal_event_external_POST_CONFIG],[
AC_DEFUN([MCA_opal_event_external_CONFIG],[
AC_CONFIG_FILES([opal/mca/event/external/Makefile])
OPAL_VAR_SCOPE_PUSH([opal_event_external_CPPFLAGS_save opal_event_external_CFLAGS_save opal_event_external_LDFLAGS_save opal_event_external_LIBS_save])
OPAL_VAR_SCOPE_PUSH([opal_event_external_CPPFLAGS_save opal_event_external_CFLAGS_save opal_event_external_LDFLAGS_save opal_event_external_LIBS_save opal_event_dir opal_event_external_support opal_event_summary_msg])
AC_ARG_WITH([libevent],
[AC_HELP_STRING([--with-libevent=DIR],
[Search for libevent headers and libraries in DIR. Should only be used if an external copy of libevent is being used.])])
# Make some processing below easier ($with_libevent==yes and
# $with_libevent==no has already been filtered out).
AS_IF([test "$with_libevent" = "external"],
[with_libevent=])
# Bozo check
AS_IF([test "$with_libevent" = "no"],
[AC_MSG_WARN([It is not possible to configure Open MPI --without-libevent])
AC_MSG_ERROR([Cannot continue])])
opal_event_summary_msg="internal"
AC_ARG_WITH([libevent-libdir],
[AC_HELP_STRING([--with-libevent-libdir=DIR],
[Search for libevent libraries in DIR. Should only be used if an external copy of libevent is being used.])])
# Once we get to this point, $with_libevent is either: blank, a
# directory location, or "internal".
# Make sure the user didn't specify --with-libevent=internal and
# --with-libevent-libdir=whatever (because you can only specify
# --with-libevent-libdir when external libevent is being used).
AS_IF([test "$with_libevent" = "internal" && test -n "$with_libevent_libdir"],
[AC_MSG_WARN([Both --with-libevent=internal and --with-libevent-libdir=DIR])
AC_MSG_WARN([were specified, which does not make sense.])
AC_MSG_ERROR([Cannot continue])])
# Check the value of $with_libevent_libdir. This macro safely
# handles "yes", "no", blank, and directory name values.
OPAL_CHECK_WITHDIR([libevent-libdir], [$with_libevent_libdir],
[libevent.*])
# Do we want this external component? (slightly redundant logic,
# but hopefully slightly more clear...)
opal_event_external_want=no
AS_IF([test "$with_libevent" = "external"], [opal_event_external_want=yes])
AS_IF([test -n "$with_libevent_libdir"], [opal_event_external_want=yes])
AS_IF([test -n "$with_libevent" && test "$with_libevent" != "no" && test "$with_libevent" != "internal"], [opal_event_external_want=yes])
# Did the user want us to check for libevent in a specific location?
AC_MSG_CHECKING([for external libevent in])
AS_IF([test -n "$with_libevent" && \
test "$with_libevent" != "external" && \
test "$with_libevent" != "internal" && \
test "$with_libevent" != "yes" && \
test "$with_libevent" != "no"],
[opal_event_dir=$with_libevent
AC_MSG_RESULT([$opal_event_dir])
OPAL_CHECK_WITHDIR([libevent], [$opal_event_dir],
[include/event.h])
AS_IF([test -z "$with_libevent_libdir" || test "$with_libevent_libdir" = "yes"],
[AC_MSG_CHECKING([for $with_libevent/lib64])
AS_IF([test -d "$with_libevent/lib64"],
[opal_event_libdir_found=yes
AC_MSG_RESULT([found])],
[opal_event_libdir_found=no
AC_MSG_RESULT([not found])])
AS_IF([test "$opal_event_libdir_found" = "yes"],
[opal_event_libdir="$with_libevent/lib64"],
[AC_MSG_CHECKING([for $with_libevent/lib])
AS_IF([test -d "$with_libevent/lib"],
[AC_MSG_RESULT([found])
opal_event_libdir="$with_libevent/lib"],
[AC_MSG_RESULT([not found])
AC_MSG_WARN([Library directories were not found:])
AC_MSG_WARN([ $with_libevent/lib64])
AC_MSG_WARN([ $with_libevent/lib])
AC_MSG_WARN([Please use --with-libevent-libdir to identify it.])
AC_MSG_ERROR([Cannot continue])])])])],
[AC_MSG_RESULT([(default search paths)])])
AS_IF([test ! -z "$with_libevent_libdir" && test "$with_libevent_libdir" != "yes"],
[opal_event_libdir="$with_libevent_libdir"])
# If we want external support, try it
AS_IF([test "$opal_event_external_want" = "yes"],
[ # Error out if the specified dir does not exist
OPAL_CHECK_WITHDIR([libevent-libdir], [$with_libevent_libdir],
[libevent.*])
AC_MSG_CHECKING([for external libevent in])
AS_IF([test "$with_libevent" != "external" && test "$with_libevent" != "yes"],
[opal_event_dir=$with_libevent
AC_MSG_RESULT([$opal_event_dir])
OPAL_CHECK_WITHDIR([libevent], [$opal_event_dir],
[include/event.h])
AS_IF([test -z "$with_libevent_libdir" || test "$with_libevent_libdir" = "yes"],
[AC_MSG_CHECKING([for $with_libevent/lib64])
AS_IF([test -d "$with_libevent/lib64"],
[opal_event_libdir_found=yes
AC_MSG_RESULT([found])],
[opal_event_libdir_found=no
AC_MSG_RESULT([not found])])
AS_IF([test "$opal_event_libdir_found" = "yes"],
[opal_event_libdir="$with_libevent/lib64"],
[AC_MSG_CHECKING([for $with_libevent/lib])
AS_IF([test -d "$with_libevent/lib"],
[AC_MSG_RESULT([found])
opal_event_libdir="$with_libevent/lib"],
[AC_MSG_RESULT([not found])
AC_MSG_WARN([Library directories were not found:])
AC_MSG_WARN([ $with_libevent/lib64])
AC_MSG_WARN([ $with_libevent/lib])
AC_MSG_WARN([Please use --with-libevent-libdir to identify it.])
AC_MSG_ERROR([Cannot continue])])])])],
[AC_MSG_RESULT([(default search paths)])])
AS_IF([test ! -z "$with_libevent_libdir" && test "$with_libevent_libdir" != "yes"],
[opal_event_libdir="$with_libevent_libdir"])
opal_event_external_CPPFLAGS_save=$CPPFLAGS
AS_IF([test "$with_libevent" != "internal"],
[opal_event_external_CPPFLAGS_save=$CPPFLAGS
opal_event_external_CFLAGS_save=$CFLAGS
opal_event_external_LDFLAGS_save=$LDFLAGS
opal_event_external_LIBS_save=$LIBS
@ -136,23 +123,42 @@ AC_DEFUN([MCA_opal_event_external_CONFIG],[
[opal_event_external_support=yes],
[opal_event_external_support=no])
# Ensure that this libevent has the symbol
# "evthread_set_lock_callbacks", which will only exist if
# libevent was configured with thread support.
LIBS="$opal_event_external_LDFLAGS $LIBS"
AC_CHECK_LIB([event], [evthread_set_lock_callbacks],
[],
[AC_MSG_WARN([External libevent does not have thread support])
AC_MSG_WARN([Open MPI requires libevent to be compiled with])
AC_MSG_WARN([thread support enabled])
AC_MSG_ERROR([Cannot continue])])
AS_IF([test "$opal_event_external_support" = "yes"],
[# Ensure that this libevent has the symbol
# "evthread_set_lock_callbacks", which will only exist if
# libevent was configured with thread support.
LIBS="$opal_event_external_LDFLAGS $LIBS"
AC_CHECK_LIB([event], [evthread_set_lock_callbacks],
[],
[AC_MSG_WARN([External libevent does not have thread support])
AC_MSG_WARN([Open MPI requires libevent to be compiled with])
AC_MSG_WARN([thread support enabled])
opal_event_external_support=no])])
AC_CHECK_LIB([event_pthreads], [evthread_use_pthreads],
[],
[AC_MSG_WARN([External libevent does not have thread support])
AC_MSG_WARN([Open MPI requires libevent to be compiled with])
AC_MSG_WARN([thread support enabled])
AC_MSG_ERROR([Cannot continue])])
AS_IF([test "$opal_event_external_support" = "yes"],
[AC_CHECK_LIB([event_pthreads], [evthread_use_pthreads],
[],
[AC_MSG_WARN([External libevent does not have thread support])
AC_MSG_WARN([Open MPI requires libevent to be compiled with])
AC_MSG_WARN([thread support enabled])
opal_event_external_support=no])])
AS_IF([test "$opal_event_external_support" = "yes"],
[AS_IF([test -z "$with_libevent" || test "$with_libevent" = "yes"],
[AC_MSG_CHECKING([if external libevent version is 2.0.21 or greater])
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([[#include <event.h>]],
[[
#if _EVENT_NUMERIC_VERSION < 0x02001500
#error "libevent API version is less than 0x02001500"
#endif
]])],
[AC_MSG_RESULT([yes])],
[AC_MSG_RESULT([no])
opal_event_summary_msg="internal (external libevent version is less that internal version 2.0.21)"
AC_MSG_WARN([external libevent version is less than internal version (2.0.21)])
AC_MSG_WARN([using internal libevent])
opal_event_external_support=no])])])
CPPFLAGS=$opal_event_external_CPPFLAGS_save
CFLAGS=$opal_event_external_CFLAGS_save
@ -171,20 +177,27 @@ AC_DEFUN([MCA_opal_event_external_CONFIG],[
# building with developer headers so that our headers can
# be found.
event_external_WRAPPER_EXTRA_LDFLAGS=$opal_event_external_LDFLAGS
event_external_WRAPPER_EXTRA_LIBS=$opal_event_external_LIBS
])
event_external_WRAPPER_EXTRA_LIBS=$opal_event_external_LIBS])
##################################################################
# Done!
AS_IF([test "$opal_event_external_support" = "yes"],
[ # If we configured successfully, set
[# If we configured successfully, set
# OPAL_HAVE_WORKING_EVENTOPS to 1 (it's a calculated value
# in the embedded Open MPI libevent, so we can only assume
# what it is in the installed libevent :-\ ).
file=$opal_event_dir/include/libevent/config.h
OPAL_HAVE_WORKING_EVENTOPS=1
opal_event_summary_msg="external"
$1],
[OPAL_HAVE_WORKING_EVENTOPS=0
AS_IF([test "$with_libevent" != internal && test -n "$with_libevent"],
[AC_MSG_WARN([external libevent requested but cannot be built])
AC_MSG_ERROR([Cannot continue.])])
$2])
OPAL_SUMMARY_ADD([[Miscellaneous]],[[Libevent support]], [], [$opal_event_summary_msg])
OPAL_VAR_SCOPE_POP
])dnl