119 строки
5.2 KiB
Bash
119 строки
5.2 KiB
Bash
# -*- shell-script -*-
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#
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# Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
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# University Research and Technology
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# Corporation. All rights reserved.
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# Copyright (c) 2004-2005 The University of Tennessee and The University
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# of Tennessee Research Foundation. All rights
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# reserved.
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# Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
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# University of Stuttgart. All rights reserved.
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# Copyright (c) 2004-2005 The Regents of the University of California.
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# All rights reserved.
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# Copyright (c) 2007-2009 Cisco Systems, Inc. All rights reserved.
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# $COPYRIGHT$
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#
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# Additional copyrights may follow
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#
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# $HEADER$
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#
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# OMPI_CHECK_UDAPL(prefix, [action-if-found], [action-if-not-found])
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# --------------------------------------------------------
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# check if uDAPL support can be found. sets prefix_{CPPFLAGS,
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# LDFLAGS, LIBS} as needed and runs action-if-found if there is
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# support, otherwise executes action-if-not-found
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AC_DEFUN([OMPI_CHECK_UDAPL],[
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AC_ARG_WITH([udapl],
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[AC_HELP_STRING([--with-udapl(=DIR)],
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[Build uDAPL support, optionally adding DIR/include, DIR/lib, and DIR/lib64 to the search path for headers and libraries])])
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OMPI_CHECK_WITHDIR([udapl], [$with_udapl], [include/dat/udat.h])
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AC_ARG_WITH([udapl-libdir],
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[AC_HELP_STRING([--with-udapl-libdir=DIR],
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[Search for uDAPL libraries in DIR])])
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OMPI_CHECK_WITHDIR([udapl-libdir], [$with_udapl_libdir], [libdat.*])
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# Special case for OFED/Linux: the default /etc/dat.conf that
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# ships with OFED is broken in that it includes DAT providers that
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# are not guarnateed to work (e.g., it includes providers for ib0,
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# ib1, ib2, ib3, and bond0). Usually, a sysadmin will need to
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# edit this file to configure it for the specific environment in
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# which it will be used. Hence, if you run the udapl BTL on
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# Linux/OFED, you'll get a bunch of warning messages about the
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# providers that don't work. However, on Linux/OFED, you don't
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# really want to use udapl anyway; you likely really want to use
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# the openib BTL (i.e., native verbs, not udapl).
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# So after exploring many different scenarios, the least evil
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# solution seemed to be to disable building the udapl BTL on
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# Linux/OFED *unless the user specifically asks for it.* To be
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# specific: on Linux/OFED, if you do not specify
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# --with-udapl(=DIR), the udapl BTL will not be built.
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AS_IF([test -z "$with_udapl"],
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[case $host in
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*linux*)
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AC_MSG_WARN([On Linux and --with-udapl was not specified])
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AC_MSG_WARN([Not building the udapl BTL])
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with_udapl=no
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;;
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esac])
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AS_IF([test ! -z "$with_udapl" -a "$with_udapl" != "yes"],
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[ompi_check_udapl_dir="$with_udapl"])
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AS_IF([test ! -z "$with_udapl_libdir" -a "$with_udapl_libdir" != "yes"],
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[ompi_check_udapl_libdir="$with_udapl_libdir"])
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AS_IF([test "$with_udapl" = "no"],
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[ompi_check_udapl_happy="no"],
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[ompi_check_udapl_happy="yes"])
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dnl Do not use ompi_check_package directly, because then we have
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dnl to test for the header file twice, and caching is disabled
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dnl for all ompi_check_package checks. Instead, do what
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dnl ompi_check_package does, but only do the header check once.
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dnl Still do the lib check twice, the second time if it turns
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dnl out we need -ldapl to link (looks like udapl over GM).
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ompi_check_package_$1_save_CPPFLAGS="$CPPFLAGS"
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ompi_check_package_$1_save_LDFLAGS="$LDFLAGS"
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ompi_check_package_$1_save_LIBS="$LIBS"
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ompi_check_package_$1_orig_CPPFLAGS="$$1_CPPFLAGS"
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ompi_check_package_$1_orig_LDFLAGS="$$1_LDFLAGS"
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ompi_check_package_$1_orig_LIBS="$$1_LIBS"
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AS_IF([test "$ompi_check_udapl_happy" = "yes"],
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[_OMPI_CHECK_PACKAGE_HEADER([$1],
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[dat/udat.h],
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[$ompi_check_udapl_dir],
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[ompi_check_udapl_happy="yes"],
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[ompi_check_udapl_happy="no"])])
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AS_IF([test "$ompi_check_udapl_happy" = "yes"],
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[_OMPI_CHECK_PACKAGE_LIB([$1],
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[dat],
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[dat_registry_list_providers],
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[],
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[$ompi_check_udapl_dir],
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[$ompi_check_udapl_libdir],
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[ompi_check_udapl_happy="yes"],
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[_OMPI_CHECK_PACKAGE_LIB([$1],
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[dat],
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[dat_registry_list_providers],
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[-ldapl],
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[$ompi_check_udapl_dir],
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[$ompi_check_udapl_libdir],
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[ompi_check_udapl_happy="yes"],
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[ompi_check_udapl_happy="no"])])])
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CPPFLAGS="$ompi_check_package_$1_save_CPPFLAGS"
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LDFLAGS="$ompi_check_package_$1_save_LDFLAGS"
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LIBS="$ompi_check_package_$1_save_LIBS"
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AS_IF([test "$ompi_check_udapl_happy" = "yes"],
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[$2],
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[AS_IF([test ! -z "$with_udapl" -a "$with_udapl" != "no"],
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[AC_MSG_ERROR([uDAPL support requested but not found. Aborting])])
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$3])
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])
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