# -*- shell-script -*- # # Copyright (c) 2009-2013 Cisco Systems, Inc. All rights reserved. # Copyright (c) 2013 Los Alamos National Security, LLC. All rights reserved. # # $COPYRIGHT$ # # Additional copyrights may follow # # $HEADER$ # # # Priority # AC_DEFUN([MCA_opal_event_external_PRIORITY], [90]) # # Force this component to compile in static-only mode # AC_DEFUN([MCA_opal_event_external_COMPILE_MODE], [ AC_MSG_CHECKING([for MCA component $2:$3 compile mode]) $4="static" AC_MSG_RESULT([$$4]) ]) # MCA_event_external_POST_CONFIG() # --------------------------------- AC_DEFUN([MCA_opal_event_external_POST_CONFIG],[ # If we won, then do all the rest of the setup AS_IF([test "$1" = "1"], [AC_DEFINE_UNQUOTED([EVENT_EXTERNAL_EVENT_VERSION], [external], [Version of event]) # Set this variable so that the framework m4 knows what # file to include in opal/mca/event/event.h opal_event_external_basedir=opal/mca/event/external opal_event_base_include="external/external.h" # Add some stuff to CPPFLAGS so that the rest of the source # tree can be built CPPFLAGS="$CPPFLAGS $opal_event_external_CPPFLAGS" LDFLAGS="$LDFLAGS $opal_event_external_LDFLAGS" LIBS="$LIBS $opal_event_external_LIBS" ]) ])dnl # MCA_event_external_CONFIG([action-if-found], [action-if-not-found]) # -------------------------------------------------------------------- AC_DEFUN([MCA_opal_event_external_CONFIG],[ AC_CONFIG_FILES([opal/mca/event/external/Makefile]) OPAL_VAR_SCOPE_PUSH([opal_event_external_CPPFLAGS_save opal_event_external_CFLAGS_save opal_event_external_LDFLAGS_save opal_event_external_LIBS_save]) AC_ARG_WITH([libevent], [AC_HELP_STRING([--with-libevent=DIR], [Search for libevent headers and libraries in DIR. Should only be used if an external copy of libevent is being used.])]) # Bozo check AS_IF([test "$with_libevent" = "no"], [AC_MSG_WARN([It is not possible to configure Open MPI --without-libevent]) AC_MSG_ERROR([Cannot continue])]) 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 "$with_libevent" = "internal" -a "$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])]) # Do we want this external component? (slightly redundant logic, # but hopefully slightly more clear...) opal_event_external_want=no AS_IF([test "$with_libevent" = "external"], [opal_event_external_want=yes]) AS_IF([test "$with_libevent_libdir" != ""], [opal_event_external_want=yes]) AS_IF([test "$with_libevent" != "" -a "$with_libevent" != "no" -a "$with_libevent" != "internal"], [opal_event_external_want=yes]) # If we want external support, try it AS_IF([test "$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" -a "$with_libevent" != "yes"], [opal_event_dir=$with_libevent AC_MSG_RESULT([$opal_event_dir]) OPAL_CHECK_WITHDIR([libevent], [$with_libdir], [include/event.h]) ], [AC_MSG_RESULT([(default search paths)])]) AS_IF([test ! -z "$with_libevent_libdir" -a "$with_libevent_libdir" != "yes"], [opal_event_libdir="$with_libevent_libdir"]) opal_event_external_CPPFLAGS_save=$CPPFLAGS opal_event_external_CFLAGS_save=$CFLAGS opal_event_external_LDFLAGS_save=$LDFLAGS opal_event_external_LIBS_save=$LIBS OPAL_CHECK_PACKAGE([opal_event_external], [event.h], [event], [event_config_new], [-levent_pthreads], [$opal_event_dir], [$opal_event_libdir], [opal_event_external_support=yes], [opal_event_external_support=no]) # Ensure that this libevent has the symbol # "evthread_set_lock_callbacks", which will only exist if # libevent was configured with thread support. LIBS="$opal_event_external_LDFLAGS $LIBS" AC_CHECK_LIB([event], [evthread_set_lock_callbacks], [], [AC_MSG_WARN([External libevent does not have thread support]) AC_MSG_WARN([Open MPI requires libevent to be compiled with]) AC_MSG_WARN([thread support enabled]) AC_MSG_ERROR([Cannot continue])]) AC_CHECK_LIB([event_pthreads], [evthread_use_pthreads], [], [AC_MSG_WARN([External libevent does not have thread support]) AC_MSG_WARN([Open MPI requires libevent to be compiled with]) AC_MSG_WARN([thread support enabled]) AC_MSG_ERROR([Cannot continue])]) CPPFLAGS=$opal_event_external_CPPFLAGS_save CFLAGS=$opal_event_external_CFLAGS_save LDFLAGS=$opal_event_external_LDFLAGS_save LIBS=$opal_event_external_LIBS_save AC_SUBST(opal_event_external_CPPFLAGS) AC_SUBST(opal_event_external_LDFLAGS) AC_SUBST(opal_event_external_LIBS) # These flags need to get passed to the wrapper compilers # (this is unnecessary for the internal/embedded event) event_external_WRAPPER_EXTRA_CPPFLAGS=$opal_event_external_CPPFLAGS # Finally, add some flags to the wrapper compiler if we're # 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 ]) # Done! AS_IF([test "$opal_event_external_support" = "yes"], [ # If we configured successfully, set # OPAL_HAVE_WORKING_EVENTOPS to 1 (it's a calculated value # in the embedded Open MPI libevent, so we can only assume # what it is in the installed libevent :-\ ). file=$opal_event_dir/include/libevent/config.h OPAL_HAVE_WORKING_EVENTOPS=1 $1], [OPAL_HAVE_WORKING_EVENTOPS=0 $2]) OPAL_VAR_SCOPE_POP ])dnl