aeca190744
This commit was SVN r26108. The following Trac tickets were found above: Ticket 3046 --> https://svn.open-mpi.org/trac/ompi/ticket/3046
180 строки
7.9 KiB
Bash
180 строки
7.9 KiB
Bash
dnl -*- shell-script -*-
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dnl
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dnl Copyright (c) 2010-2012 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_hwloc_<component>_include to a header file
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# name (relative to the top OMPI source directory) that will be
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# included in opal/mca/hwloc/hwloc.h.
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# Optionally, components may also set the following shell variables:
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#
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# opal_hwloc_<component>_ADD_CPPFLAGS
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# opal_hwloc_<component>_ADD_LDFLAGS
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# opal_hwloc_<component>_ADD_LIBS
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# opal_hwloc_<component>_ADD_WRAPPER_EXTRA_CPPFLAGS
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# opal_hwloc_<component>_ADD_WRAPPER_EXTRA_LDFLAGS
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# opal_hwloc_<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_hwloc_CONFIGURE_MODE, STOP_AT_FIRST_PRIORITY)
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# Other components may depend on at least 1 hwloc component being
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# available. As such, we may need to artificially force this
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# framework to be configured first. Hence, we move the entirety of
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# the hwloc framework's m4 to a separate macro and AC REQUIRE it.
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# Other components can do this as well. This will guarantee that
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# OPAL_HAVE_HWLOC is set to 0 or 1 *before* some component needs to
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# check it.
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AC_DEFUN([MCA_opal_hwloc_CONFIG],[
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# Use a crude shell variable to know whether this component is
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# being required "early". See below.
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opal_hwloc_its_time_to_configure=1
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AC_REQUIRE([MCA_opal_hwloc_CONFIG_REQUIRE])
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])
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# See comments above for why this is a separate macro.
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AC_DEFUN([MCA_opal_hwloc_CONFIG_REQUIRE],[
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# If this shell variable is not 1, then this m4 is being invoked
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# "early" via AC REQUIRE. Therefore, since we like having fairly
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# readable configure output, print out a nice banner explaining why
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# this is coming early.
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AS_IF([test "$opal_hwloc_its_time_to_configure" != "1"],
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[echo " "
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echo "==> Pre-emptively configuring the hwloc framework to satisfy dependencies."])
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# See if we want hwloc, and if so, internal vs external
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AC_ARG_WITH(hwloc,
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AC_HELP_STRING([--with-hwloc(=DIR)],
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[Build hwloc support. DIR can take one of three values: "internal", "external", or a valid directory name. "internal" (or no DIR value) forces Open MPI to use its internal copy of hwloc. "external" forces Open MPI to use an external installation of hwloc. Supplying a valid directory name also forces Open MPI to use an external installation of hwloc, and adds DIR/include, DIR/lib, and DIR/lib64 to the search path for headers and libraries.]))
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# set defaults of not having any support
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opal_hwloc_base_enable_xml=0
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OPAL_HAVE_HWLOC=0
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# Configure all the components - always have to do this, even if
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# we configure --without-hwloc. Note that instead of passing in
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# the traditional $1 and $2 as the first arguments, we hard-code
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# "opal" and "hwloc", because this macro is invoked via AC
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# REQUIRE.
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MCA_CONFIGURE_FRAMEWORK([opal], [hwloc], 1)
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# Strip any leading/trailing spaces
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opal_hwloc_winner=`echo $MCA_opal_hwloc_STATIC_COMPONENTS | sed -e 's/^[ ]+//' | sed -e 's/[ ]+$//'`
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# Give a blank line to separate these messages from the last
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# component's configure.m4 output.
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echo " "
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# Unless --with-hwloc[=<foo>] was given, it's ok to have no hwloc
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# component.
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AS_IF([test "$with_hwloc" = "no" -o "$with_hwloc" = ""], [],
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[ # STOP_AT_FIRST_PRIORITY will guarantee that we find at most
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# one. We need to check here that we found *at least* one.
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AS_IF([test "$MCA_opal_hwloc_STATIC_COMPONENTS" = ""],
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[AC_MSG_WARN([Did not find a suitable static opal hwloc 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
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# found more than 1 eligible static component. That's no good
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# (and should never happen, but let's be sure)!
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AS_IF([test "`echo $opal_hwloc_winner | sed 's/ //'`" != "$opal_hwloc_winner"],
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[AC_MSG_WARN([Found more than 1 eligible static opal hwloc 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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])
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# If we have a winning component, do some more logic
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AS_IF([test "$MCA_opal_hwloc_STATIC_COMPONENTS" != ""],
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[ # We had a winner -- w00t!
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OPAL_HAVE_HWLOC=1
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# The winning component will have told us where their header file
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# is located
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AC_MSG_CHECKING([for winning hwloc component header file])
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eval "opal_hwloc_base_include=\`echo \$opal_hwloc_${opal_hwloc_winner}_include\`"
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AS_IF([test "$opal_hwloc_base_include" = ""],
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[AC_MSG_RESULT([missing])
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AC_MSG_WARN([Missing implementation header])
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AC_MSG_ERROR([Cannot continue])])
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AC_MSG_RESULT([$opal_hwloc_base_include])
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AC_DEFINE_UNQUOTED([MCA_hwloc_IMPLEMENTATION_HEADER],
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["$opal_hwloc_base_include"],
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[Header to include for hwloc implementation])
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# See if they set any flags for us
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_MCA_opal_hwloc_base_flags([CPPFLAGS], [CPPFLAGS])
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_MCA_opal_hwloc_base_flags([LDFLAGS], [LDFLAGS])
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_MCA_opal_hwloc_base_flags([LIBS], [LIBS])
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_MCA_opal_hwloc_base_flags([wrapper CPPFLAGS], [WRAPPER_EXTRA_CPPFLAGS])
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_MCA_opal_hwloc_base_flags([wrapper LDFLAGS], [WRAPPER_EXTRA_LDFLAGS])
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_MCA_opal_hwloc_base_flags([wrapper LIBS], [WRAPPER_EXTRA_LIBS])
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# If we added any -L flags to ADD_LDFLAGS, then we (might)
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# need to add those directories to LD_LIBRARY_PATH.
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# Otherwise, if we try to AC RUN_IFELSE anything here in
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# configure, it might die because it can't find the libraries
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# we just linked against.
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found_l=0
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eval "tmp=\$opal_hwloc_${opal_hwloc_winner}_ADD_LIBS"
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for token in $tmp; do
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case $token in
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-l*) found_l=1 ;;
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esac
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done
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AS_IF([test $found_l -eq 1],
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[eval "tmp=\$opal_hwloc_${opal_hwloc_winner}_ADD_LDFLAGS"
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for token in $tmp; do
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case $token in
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-L*)
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dir=`echo $token | cut -c3-`
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export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$dir
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AC_MSG_WARN([Adding to (DY)LD_LIBRARY_PATH: $dir])
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;;
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esac
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done])
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])
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AM_CONDITIONAL(OPAL_HAVE_HWLOC, test $OPAL_HAVE_HWLOC -eq 1)
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AC_DEFINE_UNQUOTED(OPAL_HAVE_HWLOC, $OPAL_HAVE_HWLOC,
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[Whether we have hwloc support or not])
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# Similar to above, if this m4 is being invoked "early" via AC
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# REQUIRE, print out a nice banner that we have now finished
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# pre-emption and are returning to the Normal Order Of Things.
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AS_IF([test "$opal_hwloc_its_time_to_configure" != "1"],
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[echo " "
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echo "<== Pre-emptive hwloc framework configuration complete."
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echo "<== We now return you to your regularly scheduled programming."
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echo " "]);
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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_hwloc_base_flags],[
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AC_MSG_CHECKING([for winning hwloc component additional $1])
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eval "opal_hwloc_base_tmp=\`echo \$opal_hwloc_${opal_hwloc_winner}_ADD_$2\`"
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AS_IF([test "$opal_hwloc_base_tmp" != ""],
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[AC_MSG_RESULT([$opal_hwloc_base_tmp])
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$2="[$]$2 $opal_hwloc_base_tmp"],
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[AC_MSG_RESULT([none])])
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])dnl
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