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openmpi/config/lam_setup_f90.m4
Brian Barrett 6282f1a8e6 switch from F77/FC to LAM_F77/LAM_F90 so that we don't have to assign "none"
into either F77 or F90, which caused badness in the libtool test world.

This commit was SVN r999.
2004-03-28 10:52:58 +00:00

136 строки
3.8 KiB
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dnl -*- shell-script -*-
dnl
dnl $HEADER$
dnl
dnl LAM_SETUP_F90
dnl
dnl sets:
dnl F90 : full pathname to compiler
dnl BASEF90 : compiler name (no path)
dnl LAM_WANT_F90_BINDINGS : (actually set by lam_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 LAM_F90 : same as F90
dnl LAM_WANT_F90_BINDINGS :
dnl am_conditional:
dnl LAM_WANT_F90_BINDINGS :
AC_DEFUN([LAM_SETUP_F90],[
# Modularize this setup so that sub-configure.in scripts can use this
# same setup code.
lam_show_subtitle "Fortran 90/95 compiler"
if test "$LAM_WANT_F77_BINDINGS" = "0" ; then
AC_MSG_WARN([*** Fortran 90/95 bindings disabled (Fortran 77 was disabled)])
LAM_WANT_F90_BINDINGS=0
LAM_F90="none"
BASEF90="none"
elif test "$LAM_WANT_F90_BINDINGS" = "0" ; then
AC_MSG_WARN([*** Fortran 90/95 bindings disabled by user])
LAM_WANT_F90_BINDINGS=0
LAM_F90="none"
BASEF90="none"
else
#
# Check for the compiler
#
# Note that we don't actually *use* the fortran compiler to build
# anything in LAM; 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.
#
lam_fcflags_save="$FCFLAGS"
AC_PROG_FC
FCFLAGS="$lam_fcflags_save"
if test -z "$FC"; then
AC_MSG_WARN([*** Fortran 90/95 bindings disabled (could not find compiler)])
LAM_WANT_F90_BINDINGS=0
LAM_F90="none"
BASEF90="none"
elif test "$FC" = "$F77"; then
AC_MSG_WARN([*** Found same compiler for Fortran 77 and 90/95.])
AC_MSG_WARN([*** Assuming no Fortran 90/95 compiler; disabling])
AC_MSG_WARN([*** Fortran 90/95 MPI bindings.])
LAM_WANT_F90_BINDINGS=0
LAM_F90="none"
BASEF90="none"
else
LAM_F90="$FC"
BASEF90="`basename $FC`"
AC_LANG_PUSH(Fortran)
AC_FC_SRCEXT(f)
AC_FC_SRCEXT(f90)
AC_FC_SRCEXT(f95)
AC_LANG_POP(Fortran)
AC_MSG_CHECKING([whether $LAM_F77 and $LAM_F90 compilers are compatible])
LAM_INTL_F90_F77_INTERACTION(fortran_goodness=1, fortran_goodness=0)
if test "$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 Fortran 90/95 bindings])
LAM_WANT_F90_BINDINGS=0
else
AC_MSG_RESULT([yes])
LAM_WANT_F90_BINDINGS=1
fi
fi
fi
AC_DEFINE_UNQUOTED(LAM_WANT_F90_BINDINGS, $LAM_WANT_F90_BINDINGS,
[Whether we want the MPI f90 bindings or not])
AC_DEFINE_UNQUOTED(LAM_F90, "$LAM_F90", [LAM underlying F90 compiler])
AM_CONDITIONAL(LAM_WANT_F90_BINDINGS, test "$LAM_WANT_F90_BINDINGS" = "1")
unset fortran_goodness
])
AC_DEFUN([LAM_INTL_F90_F77_INTERACTION], [
# make sure that we can combine F90 and F77 code
AC_LANG_PUSH(Fortran)
# Fortran module
cat > conftestf77.f <<EOF
subroutine Conf1_test()
end
EOF
cat > conftestf90.f <<EOF
program main
call Conf1_test()
end
EOF
# Try the compile
LAM_LOG_COMMAND(
[$LAM_F90 $FCFLAGS $FCFLAGS_f -c conftestf90.f],
LAM_LOG_COMMAND(
[$LAM_F77 $FFLAGS -c conftestf77.f],
LAM_LOG_COMMAND(
[$LAM_F90 $FCFLAGS -o conftest conftestf90.o conftestf77.o $LIBS],
[HAPPY=1],
[HAPPY=0]),
[HAPPY=0]),
[HAPPY=0])
if test "$HAPPY" = "1"; then
$1
else
LAM_LOG_MSG([here is the F77 program:], 1)
LAM_LOG_FILE([conftestf77.f])
LAM_LOG_MSG([here is the F90 program:], 1)
LAM_LOG_FILE([conftestf90.f90])
$2
fi
unset HAPPY lam_conftest_h
/bin/rm -f conftest*
AC_LANG_POP(Fortran)
])dnl