153 строки
5.0 KiB
Bash
153 строки
5.0 KiB
Bash
# -*- shell-script -*-
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#
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# Copyright (c) 2004-2005 The Trustees of Indiana University.
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# All rights reserved.
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# Copyright (c) 2004-2005 The Trustees of the University of Tennessee.
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# All rights 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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# $COPYRIGHT$
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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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#
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# Main function. This will be invoked in the middle of the templated
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# configure script.
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#
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AC_DEFUN([MCA_CONFIGURE_STUB],[
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# Additional --with flags that can be specified
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AC_ARG_WITH(btl-openib,
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AC_HELP_STRING([--with-btl-openib=IBDIR],
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[Specify the installation directory of IB (should enable the correct automatic determination of using the 32 or 64 bit library, if both are present under IBDIR/lib and IBDIR/lib64)]))
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AC_ARG_WITH(btl-openib-libdir,
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AC_HELP_STRING([--with-btl-openib-libdir=IBLIBDIR],
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[directory where the IB library can be found, if it is not in $IBDIR/lib or $IBDIR/lib/infiniband]))
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# Quick sanity check
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if test "$with_btl_openib" = "no"; then
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AC_MSG_WARN([*** --without-btl-openib specified -- aborting])
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AC_MSG_ERROR([Will not continue])
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fi
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# Find the right IBDIR
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if test "$with_btl_openib" != "" -a "$with_btl_openib" != "yes" ; then
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IBDIR="$with_btl_openib"
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IBLIBDIR="$with_btl_openib"
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fi
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if test "$with_btl_openib_libdir" != "" -a "$with_btl_openib_libdir" != "yes" -a \
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"$with_btl_openib_libdir" != "no"; then
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IBLIBDIR="$with_btl_openib_libdir"
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fi
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# Add to CPPFLAGS if necessary
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EXTRA_CPPFLAGS=
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if test "$IBDIR" != ""; then
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if test -d "$IBDIR/include"; then
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EXTRA_CPPFLAGS="-I$IBDIR/include"
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else
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AC_MSG_WARN([*** Warning: cannot find $IBDIR/include])
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AC_MSG_WARN([*** Will still try to configure openib btl anyway...])
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fi
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fi
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# See if we can find verbs.h. First try without any additional
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# -I's to see if we can find it easily. If we don't find it, then
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# try again with the EXTRA_CPPFLAGS. This prevents us from adding
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# things like -I/usr/local if we don't need to.
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AC_CHECK_HEADERS(infiniband/verbs.h,,
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[CPPFLAGS="$CPPFLAGS $EXTRA_CPPFLAGS"
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eval "unset ac_cv_header_vapi_h"
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AC_CHECK_HEADERS(infiniband/verbs.h,,
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AC_MSG_ERROR([*** Cannot find working infiniband/verbs.h]))])
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# Many vapi.h's have horrid semantics and don't obey ISOC99
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# standards. So we have to turn off flags like -pedantic. Sigh.
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# Galen: is this true for Open IB?
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#CFLAGS="`echo $CFLAGS | sed 's/-pedantic//g'`"
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# Note that it is possible to find the library even if -L is not
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# specified, if the LD_LIBRARY_PATH includes the directory where
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# the shared ib library is kept. Hence, we unset LD_LIBRARY_PATH
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# before running this test.
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LD_LIBRARY_PATH_save="$LD_LIBRARY_PATH"
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unset LD_LIBRARY_PATH
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# Helper function to try to find libvapi (called from below).
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mca_btl_openib_try_find_lib() {
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func1=[$]1
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func2=[$]2
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LDFLAGS="$LDFLAGS $EXTRA_LDFLAGS"
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vapi_badness=
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AC_CHECK_LIB([vapi], [$func1], [], [vapi_badness=true],
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[-lmthca -libcm])
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if test "$vapi_badness" != ""; then
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AC_TRY_LINK([#include <pthread.h>], [pthread_create(0,0,0,0);],
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[pthreads="yes"],
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[pthreads="no"])
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AC_CHECK_LIB(sysfs, sysfs_open_class,
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[sysfs=yes LIBS="$LIBS -lsysfs"],
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[sysfs=no])
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if test "$pthread" = "yes" && test "$sysfs" = "yes"; then
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AC_CHECK_LIB([vapi], [$func2], [], [],
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[-lmthca -libcm])
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fi
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fi
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}
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# Open IB does not appear to make lib64 variants -- just try the
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# normal "lib" directory.
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LIBS_save="$LIBS"
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LDFLAGS_save="$LDFLAGS"
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# Galen: Are these the right extra libs?
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LIBS="$LIBS -lmthca -libcm"
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LIBS_orig="$LIBS"
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EXTRA_LDFLAGS=
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if test -d "$IBLIBDIR/lib/infiniband"; then
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EXTRA_LDFLAGS="-L$IBLIBDIR/lib/infiniband"
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LDFLAGS="$LDFLAGS $EXTRA_LDFLAGS"
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# Galen: are these the right symbol names?
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mca_btl_openib_try_find_lib ibv_get_devices ibv_open_device
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if test "$LIBS" != "$LIBS_orig"; then
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# Galen: Are we looking for "libvapi"?
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echo "--> found libibverbs libs in $IBLIBDIR/lib"
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fi
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fi
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if test "$LIBS" = "$LIBS_orig"; then
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# Galen: Are we looking for "libvapi"?
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AC_MSG_ERROR([*** Cannot find working libibverbs.])
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fi
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LD_LIBRARY_PATH="$LD_LIBRARY_PATH_save"
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# Galen: Are these the right extra libs?
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LIBS="$LIBS -lmthca -libcm"
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#
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# Save extra compiler/linker flags so that they can be added in
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# the wrapper compilers, if necessary
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#
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WRAPPER_EXTRA_LDFLAGS="$EXTRA_LDFLAGS"
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# Galen: Are these the right extra libs?
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WRAPPER_EXTRA_LIBS="-libibverbs -lmmthca -libcm"
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])dnl
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