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openmpi/config/ompi_setup_f90.m4
Jeff Squyres 533b4db7b5 Fix a problem when $FC/$F77 were multiple tokens.
This commit was SVN r12246.
2006-10-21 14:24:30 +00:00

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dnl -*- shell-script -*-
dnl
dnl Copyright (c) 2004-2006 The Trustees of Indiana University and Indiana
dnl University Research and Technology
dnl Corporation. All rights reserved.
dnl Copyright (c) 2004-2005 The University of Tennessee and The University
dnl of Tennessee Research Foundation. All rights
dnl reserved.
dnl Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
dnl University of Stuttgart. All rights reserved.
dnl Copyright (c) 2004-2005 The Regents of the University of California.
dnl All rights reserved.
dnl $COPYRIGHT$
dnl
dnl Additional copyrights may follow
dnl
dnl $HEADER$
dnl
dnl OMPI_SETUP_F90
dnl
dnl sets:
dnl F90 : full pathname to compiler
dnl BASEF90 : compiler name (no path)
dnl OMPI_WANT_F90_BINDINGS : (actually set by ompi_configure_options, may be
dnl redefined here)
dnl FC : Same as F90. Side effect of AC_PROG_FC. Should
dnl not be used
dnl defines:
dnl OMPI_F90 : same as F90
dnl OMPI_WANT_F90_BINDINGS :
dnl am_conditional:
dnl OMPI_WANT_F90_BINDINGS :
AC_DEFUN([OMPI_SETUP_F90],[
# Modularize this setup so that sub-configure.in scripts can use this
# same setup code.
ompi_show_subtitle "Fortran 90/95 compiler"
if test "$OMPI_WANT_F77_BINDINGS" = "0" ; then
AC_MSG_WARN([*** Fortran 90/95 bindings implicitly disabled (because])
AC_MSG_WARN([*** Fortran 77 bindings were disabled)])
OMPI_WANT_F90_BINDINGS=0
OMPI_F90="none"
BASEF90="none"
OMPI_F90_ABSOLUTE="none"
if test "$enable_f90" = "yes"; then
AC_MSG_WARN([*** but --enable-f90 was explicitly specified])
AC_MSG_ERROR([Cannot continue])
fi
elif test "$OMPI_WANT_F90_BINDINGS" = "0" ; then
AC_MSG_WARN([*** Fortran 90/95 bindings disabled by user])
OMPI_WANT_F90_BINDINGS=0
OMPI_F90="none"
BASEF90="none"
OMPI_F90_ABSOLUTE="none"
else
#
# Check for the compiler
#
# Note that we don't actually *use* the fortran compiler to build
# anything in OMPI; it's only used here in configure to find out
# symbol conventions, type sizes, etc. We also pass it down to
# the wrapper compiler mpif90.
#
# Note that AC_PROG_FC will look for *any* fortran compiler, and
# we don't want it to find an F77 compiler. The AC docs don't
# recommend using the "dialect" feature of AC_PROG_FC (and you can
# only look for one of Fortran 90 or 95 -- not both), so instead
# use the optional first parameter and steal the list of Fortran
# compilers (excluding the f77 compiler names) from AC's default
# list of 95 and 90 compilers and use it here.
#
ompi_fcflags_save="$FCFLAGS"
AC_PROG_FC([gfortran f95 fort xlf95 ifort ifc efc pgf95 lf95 f90 xlf90 pgf90 epcf90])
FCFLAGS="$ompi_fcflags_save"
if test -z "$FC"; then
AC_MSG_WARN([*** Fortran 90/95 bindings disabled (could not find compiler)])
OMPI_WANT_F90_BINDINGS=0
OMPI_F90="none"
BASEF90="none"
OMPI_F90_ABSOLUTE="none"
else
OMPI_WANT_F90_BINDINGS=1
OMPI_F90="$FC"
set dummy $OMPI_F90
OMPI_F90_ARGV0=[$]2
BASEF90="`basename $OMPI_F90_ARGV0`"
OMPI_F90_ABSOLUTE="`which $OMPI_F90_ARGV0`"
fi
fi
# make sure the compiler actually works, if not cross-compiling
# Don't just use the AC macro so that we can have a pretty
# message.
AS_IF([test $OMPI_WANT_F90_BINDINGS -eq 1],
[OMPI_CHECK_COMPILER_WORKS([Fortran], [], [], [],
[AC_MSG_ERROR([Could not run a simple Fortran program. Aborting.])])])
# check to see if the F77 and F90 compilers are compatible
AS_IF([test $OMPI_WANT_F90_BINDINGS -eq 1],
[AC_MSG_CHECKING([whether $OMPI_F77 and $OMPI_F90 compilers are compatible])
OMPI_INTL_F90_F77_INTERACTION([fortran_goodness=1], [fortran_goodness=0])
if test "$fortran_goodness" = "0" ; then
AC_MSG_RESULT([no])
AC_MSG_WARN([*** Fortran 77 and Fortran 90 compilers are not link compatible])
AC_MSG_WARN([*** Disabling MPI Fortran 90/95 bindings])
OMPI_WANT_F90_BINDINGS=0
else
AC_MSG_RESULT([yes])
fi
])
# BWB - FIX ME - remove once everyone updates to LT 2.0.
#
AS_IF([test $OMPI_WANT_F90_BINDINGS -eq 1],
[if test $BASEF77 != $BASEF90; then
lt_ver=`grep '^VERSION' $srcdir/config/ltmain.sh | cut -f2 -d= | cut -f1 -d'.'`
if test $lt_ver -lt 2 ; then
AC_MSG_ERROR([You appear to be trying to build the Fortran 90
layer with Libtool 1.5.x or earlier and a Fortran 77 / Fortran 90 compiler
combination that will not work with this configuration. You must either
use a different Fortran 77 / Fortran 90 compiler (one where it is the same
compiler for both languages), upgrade to Libtool 2.x, or disable the
Fortran 90 bindings.])
fi
fi
])
# OS X does not allow undefined common symbols in shared libraries.
# Because we can't figure out how to implement MPI_STATUSES_IGNORE and
# friends wihtout common symbols, on OS X we can't build the F90
# bindings as a shared library.
AC_MSG_CHECKING([if need to force static library])
case "$host" in
*apple-darwin*)
AC_MSG_RESULT([yes])
ompi_f90_force_static="yes"
;;
*)
AC_MSG_RESULT([no])
ompi_f90_force_static="no"
;;
esac
AM_CONDITIONAL(OMPI_F90_FORCE_STATIC, test "$ompi_f90_force_static" = "yes")
# if we're still good, then save the extra file types. Do this last
# because it implies tests that should be invoked by the above tests
# (e.g., running the fortran compiler).
AS_IF([test $OMPI_WANT_F90_BINDINGS -eq 1],
[AC_LANG_PUSH(Fortran)
AC_FC_SRCEXT(f)
AC_FC_SRCEXT(f90)
AC_LANG_POP(Fortran)])
# All done -- save values
AC_DEFINE_UNQUOTED(OMPI_WANT_F90_BINDINGS, $OMPI_WANT_F90_BINDINGS,
[Whether we want the MPI f90 bindings or not])
AC_DEFINE_UNQUOTED(OMPI_F90, "$OMPI_F90", [OMPI underlying F90 compiler])
AM_CONDITIONAL(OMPI_WANT_F90_BINDINGS, test "$OMPI_WANT_F90_BINDINGS" = "1")
AC_SUBST(OMPI_F90_ABSOLUTE)
unset fortran_goodness
])
#############################################################################
AC_DEFUN([OMPI_INTL_F90_F77_INTERACTION], [
# make sure that we can combine F90 and F77 code
AC_LANG_PUSH(Fortran)
# Fortran module
cat > conftestf77.f <<EOF
subroutine Conf1_test()
end
EOF
cat > conftestf90.f <<EOF
program main
call Conf1_test()
end
EOF
# Try the compile
OMPI_LOG_COMMAND(
[$OMPI_F90 $FCFLAGS $FCFLAGS_f -c conftestf90.f],
OMPI_LOG_COMMAND(
[$OMPI_F77 $FFLAGS -c conftestf77.f],
OMPI_LOG_COMMAND(
[$OMPI_F90 $FCFLAGS -o conftest conftestf90.o conftestf77.o $LIBS],
[HAPPY=1],
[HAPPY=0]),
[HAPPY=0]),
[HAPPY=0])
if test "$HAPPY" = "1"; then
$1
else
OMPI_LOG_MSG([here is the F77 program:], 1)
OMPI_LOG_FILE([conftestf77.f])
OMPI_LOG_MSG([here is the F90 program:], 1)
OMPI_LOG_FILE([conftestf90.f])
$2
fi
unset HAPPY ompi_conftest_h
/bin/rm -f conftest*
AC_LANG_POP(Fortran)
])dnl