161 строка
7.7 KiB
Bash
161 строка
7.7 KiB
Bash
dnl -*- shell-script -*-
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dnl
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dnl Copyright (c) 2004-2006 The Trustees of Indiana University and Indiana
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dnl University Research and Technology
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dnl Corporation. All rights reserved.
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dnl Copyright (c) 2004-2005 The University of Tennessee and The University
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dnl of Tennessee Research Foundation. All rights
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dnl reserved.
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dnl Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
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dnl University of Stuttgart. All rights reserved.
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dnl Copyright (c) 2004-2005 The Regents of the University of California.
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dnl 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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# OMPI_F90_CHECK(Fortran type, expected size)
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#----------------------------------------------------------------------------
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# Check Fortran type/kind combinations, including:
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# - whether compiler supports or not
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# - size of type
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# - equal to expected size
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# - alignment
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# - range (optional)
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# - precision (optional)
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#
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# types to search is a comma-seperated list of values
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AC_DEFUN([OMPI_F90_CHECK], [
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ofc_fortran_type="$1"
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ofc_expected_size="$2"
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ofc_have_type=0
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ofc_type_size=$ac_cv_sizeof_int
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ofc_type_alignment=$ac_cv_sizeof_int
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# Only check if we actually want the F90 bindings / have a F90
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# compiler. This allows us to call this macro even if there is
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# no F90 compiler. If we have no f90 compiler, then just set a
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# bunch of defaults.
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if test "$OMPI_WANT_F90_BINDINGS" = "1"; then
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OMPI_F90_CHECK_TYPE([$1], [ofc_have_type=1], [ofc_have_type=0])
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else
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AC_MSG_CHECKING([if Fortran 90 compiler supports $ofc_fortran_type])
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AC_MSG_RESULT([skipped])
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fi
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if test "$ofc_have_type" = "1"; then
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# What is the size of this type?
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# NOTE: Some Fortran compilers actually will return that a
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# type exists even if it doesn't support it -- the compiler
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# will automatically convert the unsupported type to a type
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# that it *does* support. For example, if you try to use
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# INTEGER*16 and the compiler doesn't support it, it may well
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# automatically convert it to INTEGER*8 for you (!). So we
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# have to check the actual size of the type once we determine
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# that the compiler doesn't error if we try to use it
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# (i.e,. the compiler *might* support that type). If the size
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# doesn't match the expected size, then the compiler doesn't
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# really support it.
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OMPI_F90_GET_SIZEOF([$1], [ofc_type_size])
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if test "$ofc_expected_size" != "" -a "$ofc_type_size" != "$ofc_expected_size"; then
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AC_MSG_WARN([*** Fortran 90 $ofc_fortran_type does not have expected size!])
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AC_MSG_WARN([*** Expected $ofc_expected_size, got $ofc_type_size])
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AC_MSG_WARN([*** Disabling MPI support for Fortran $ofc_fortran_type])
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ofc_have_type=0
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else
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# If this type has an F77 counterpart, see if it's
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# supported.
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[ofc_f77_have_type=$OMPI_HAVE_FORTRAN_]m4_bpatsubst(m4_bpatsubst([$1], [*], []), [[^a-zA-Z0-9_]], [_])
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if test "$ofc_f77_have_type" = "0"; then
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AC_MSG_WARN([*** Corresponding Fortran 77 type ($1) not supported])
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AC_MSG_WARN([*** Skipping Fortran 90 type ($1)])
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else
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# Check the size of this type against its F77 counterpart
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[ofc_f77_sizeof=$OMPI_SIZEOF_FORTRAN_]m4_bpatsubst(m4_bpatsubst([$1], [*], []), [[^a-zA-Z0-9_]], [_])
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if test "$ofc_f77_sizeof" != ""; then
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AC_MSG_CHECKING([if Fortran 77 and 90 type sizes match])
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if test "$ofc_f77_sizeof" != "$ofc_type_size"; then
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AC_MSG_RESULT([no])
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AC_MSG_WARN([*** Fortran 77 size for $1 ($ofc_f77_sizeof) does not match])
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AC_MSG_WARN([*** Fortran 90 size for $1 ($ofc_type_size)])
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AC_MSG_ERROR([*** Cannot continue])
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else
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AC_MSG_RESULT([yes])
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fi
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fi
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# Get the alignment of the type and check against its F77
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# counterpart
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OMPI_F90_GET_ALIGNMENT([$1], [ofc_type_alignment])
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ofc_f77_alignment=$[OMPI_ALIGNMENT_FORTRAN_]m4_bpatsubst(m4_bpatsubst([$1], [*], []), [[^a-zA-Z0-9_]], [_])
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if test "$ofc_f77_alignment" != ""; then
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AC_MSG_CHECKING([if Fortran 77 and 90 type alignments match])
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if test "$ofc_f77_alignment" != "$ofc_type_alignment"; then
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AC_MSG_RESULT([no])
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AC_MSG_WARN([*** Fortran 77 alignment for $1 ($ofc_f77_alignment) does not match])
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AC_MSG_WARN([*** Fortran 90 alignment for $1 ($ofc_type_alignment)])
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# JMS Commented out for now so that a) people can continue developing
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# with f90, b) we stop breaking "make dist", and c) we can find out
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# the Real Deal from Fortran compiler vendors.
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# AC_MSG_ERROR([*** Cannot continue])
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AC_MSG_WARN([*** OMPI-F90-CHECK macro needs to be updated!])
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else
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AC_MSG_RESULT([yes])
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fi
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fi
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# If we passed in the expected size, then also add the
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# type to the relevant list of types found.
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if test "$ofc_expected_size" != ""; then
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ofc_letter=m4_translit(m4_bpatsubst($1, [^\(.\).+], [[\1]]), [a-z], [A-Z])
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ofc_str="OMPI_F90_${ofc_letter}KINDS=\"\$OMPI_F90_${ofc_letter}KINDS $ofc_type_size \""
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eval $ofc_str
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fi
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fi
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fi
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fi
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# We always need these defines -- even if we don't have a given
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# type, there are some places in the code where we have to have
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# *something*. Note that the bpatsubst's are the same as used
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# above (see comment above), but we added a translit to make them
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# uppercase.
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# If we got a pretty name, use that as the basis. If not, use the
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# first part of the provided fortran type (e.g.,
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# "logical(selected_int_kind(2))" -> logical1")
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# Note that there is no need to AC_DEFINE the size and alignment
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# of the F90 datatype. We have ensured (above) that they are the
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# same as the corresponding F77 datatypes, and that's good enough
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# (i.e., the DDT engine only looks at the F77 sizes/alignments).
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# Finally, note that it is necessary to use the Big Long Ugly m4
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# expressions in the AC_DEFINE_UNQUOTEDs. If you don't (e.g., put
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# the result of the BLUm4E in a shell variable and use that in
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# AC_DEFINE_UNQUOTED), autoheader won't put them in the
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# AC_CONFIG_HEADER (or AM_CONFIG_HEADER, in our case).
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AC_DEFINE_UNQUOTED([OMPI_HAVE_F90_]m4_translit(m4_bpatsubst(m4_bpatsubst([$1], [*], []), [[^a-zA-Z0-9_]], [_]), [a-z], [A-Z]),
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[$ofc_have_type],
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[Whether we have Fortran 90 $ofc_type_name or not])
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# Save some in shell variables for later use. Have to use m4
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# functions here (vs. $ompi_upper_var_name, defined above) because
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# these need to be set at autoconf time, not configure time.
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[OMPI_SIZEOF_F90_]m4_translit(m4_bpatsubst([$1], [^\([a-zA-Z_]*\).+], [[\1]]), [A-Z], [a-z])[=$ofc_type_size]
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AC_SUBST([OMPI_SIZEOF_F90_]m4_translit(m4_bpatsubst([$1], [^\([a-zA-Z_]*\).+], [[\1]]), [A-Z], [a-z]))
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# Clean up
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unset ofc_fortran_type ofc_expected_size ofc_want_range ofc_pretty_name
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unset ofc_have_type ofc_type_size ofc_type_alignment ofc_letter ofc_str
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unset ofc_type_range ofc_type_precision
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unset ofc_f77_sizeof ofc_f77_alignment
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])dnl
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