3d61d0f357
only became evident when there was more than one event component. The libevent2013 component is still ompi_ignore'd for most developers. This commit was SVN r25198.
107 строки
4.7 KiB
Bash
107 строки
4.7 KiB
Bash
dnl -*- shell-script -*-
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dnl
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dnl Copyright (c) 2010-2011 Cisco Systems, Inc. All rights reserved.
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dnl $COPYRIGHT$
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dnl
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dnl Additional copyrights may follow
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dnl
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dnl $HEADER$
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dnl
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# There will only be one component used in this framework, and it will
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# be selected at configure time by priority. Components must set
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# their priorities in their configure.m4 files. They must also set
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# the shell variable $opal_event_<component>_include to a header file
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# name (relative to opal/mca/event) that will be included in
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# opal/mca/event/event.h.
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# Optionally, components may also set the following shell variables:
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#
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# opal_event_<component>_ADD_CPPFLAGS
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# opal_event_<component>_ADD_LDFLAGS
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# opal_event_<component>_ADD_LIBS
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# opal_event_<component>_ADD_WRAPPER_EXTRA_CPPFLAGS
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# opal_event_<component>_ADD_WRAPPER_EXTRA_LDFLAGS
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# opal_event_<component>_ADD_WRAPPER_EXTRA_LIBS
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#
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# The first 3 will be added to the over all CPPFLAGS/LDFLAGS/LIBS if
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# that component is chosen as the winning component. Similarly, the
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# latter 3 will be added to WRAPPER_EXTRA_* if that component wins.
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dnl We only want one winning component.
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m4_define(MCA_opal_event_CONFIGURE_MODE, STOP_AT_FIRST_PRIORITY)
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AC_DEFUN([MCA_opal_event_CONFIG],[
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# configure all the components
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MCA_CONFIGURE_FRAMEWORK($1, $2, 1)
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# We must have found exactly 1 static component, or we can't
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# continue. STOP_AT_FIRST_PRIORITY will guarantee that we find at
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# most one. We need to check here that we found *at least* one.
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AS_IF([test "$MCA_opal_event_STATIC_COMPONENTS" = ""],
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[AC_MSG_WARN([Did not find a suitable static opal event component])
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AC_MSG_ERROR([Cannot continue])])
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# If there's any spaces in the middle of the string, then we found
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# more than 1 eligible static component. That's no good (and
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# should never happen, but let's be sure)!
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opal_event_winner=`echo $MCA_opal_event_STATIC_COMPONENTS | sed -e 's/^[ ]+//' | sed -e 's/[ ]+$//'`
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AS_IF([test "`echo $opal_event_winner | sed 's/ //'`" != "$opal_event_winner"],
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[AC_MSG_WARN([Found more than 1 eligible static opal event component])
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AC_MSG_WARN([This should never happen!])
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AC_MSG_ERROR([Cannot continue])])
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# We need to find out what the underlying component set
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# HAVE_WORKING_EVENTOPS was set to. This is for systems that
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# don't have working poll(), etc. (e.g., Cray) -- we still need an
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# event component (for timers, etc.), but we don't have working
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# event ops. Ensure that it was set by the component.
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echo " "
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AC_MSG_CHECKING([if have working event ops for the event framework])
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AS_IF([test "$OPAL_HAVE_WORKING_EVENTOPS" = ""],
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[AC_MSG_RESULT([unknown])
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AC_MSG_WARN([Event component did not set OPAL_HAVE_WORKING_EVENTOPS])
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AC_MSG_ERROR([Cannot continue])],
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[AS_IF([test "$OPAL_HAVE_WORKING_EVENTOPS" = "1"],
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[AC_MSG_RESULT([yes])],
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[AC_MSG_RESULT([no])])])
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AC_DEFINE_UNQUOTED(OPAL_HAVE_WORKING_EVENTOPS,
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[$OPAL_HAVE_WORKING_EVENTOPS],
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[Whether our event component has working event operations or not (if not, then assumedly it only has working timers and signals)])
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# The winning component will have told us where their header file
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# is located
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AC_MSG_CHECKING([for winning event component header file])
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eval "opal_event_base_include=\`echo \$opal_event_${opal_event_winner}_include\`"
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AS_IF([test "$opal_event_base_include" = ""],
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[AC_MSG_RESULT([missing])
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AC_MSG_WARN([Missing implementation header])
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AC_MSG_ERROR([Cannot continue])])
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AC_MSG_RESULT([$opal_event_base_include])
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AC_DEFINE_UNQUOTED([MCA_event_IMPLEMENTATION_HEADER],
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["opal/mca/event/$opal_event_base_include"],
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[Header to include for event implementation])
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# See if they set any flags for us
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_MCA_opal_event_base_flags([CPPFLAGS], [CPPFLAGS])
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_MCA_opal_event_base_flags([LDFLAGS], [LDFLAGS])
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_MCA_opal_event_base_flags([LIBS], [LIBS])
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_MCA_opal_event_base_flags([wrapper CPPFLAGS], [WRAPPER_EXTRA_CPPFLAGS])
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_MCA_opal_event_base_flags([wrapper LDFLAGS], [WRAPPER_EXTRA_LDFLAGS])
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_MCA_opal_event_base_flags([wrapper LIBS], [WRAPPER_EXTRA_LIBS])
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])
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dnl Helper function
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dnl $1 = message to display
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dnl $2 = output variable to set / input variable suffix
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AC_DEFUN([_MCA_opal_event_base_flags],[
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AC_MSG_CHECKING([for winning event component additional $1])
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eval "opal_event_base_tmp=\`echo \$opal_event_${opal_event_winner}_ADD_$2\`"
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AS_IF([test "$opal_event_base_tmp" != ""],
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[AC_MSG_RESULT([$opal_event_base_tmp])
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$2="[$]$2 $opal_event_base_tmp"],
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[AC_MSG_RESULT([none])])
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])dnl
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