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dnl -*- shell-script -*-
dnl
dnl Copyright (c) 2004-2005 The Trustees of Indiana University.
dnl All rights reserved.
dnl Copyright (c) 2004-2005 The Trustees of the University of Tennessee.
dnl All rights 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
AC_DEFUN([OMPI_F77_CHECK_LOGICAL_ARRAY],[
AC_CACHE_CHECK([for correct handling of Fortran logical arrays],
[ompi_cv_f77_logical_array_correct],
[if test "$1" = "none" -o "$OMPI_WANT_F77_BINDINGS" = "0"; then
ompi_cv_f77_logical_array_correct=yes
else
OMPI_F77_MAKE_C_FUNCTION([ompi_check_logical_fn], [check])
# Fortran module
cat > conftestf.f <<EOF
program check_logical_array
external check
logical l(2)
l(1)=.FALSE.
l(2)=.TRUE.
CALL check(l)
end
EOF
# C module
# We really need the confdefs.h Header file for
# the ompi_fortran_logical_t definition
if test \! -f confdefs.h ; then
AC_MSG_WARN([*** Problem running configure test!])
AC_MSG_WARN([*** Cannot find confdefs.h file for config test])
AC_MSG_WARN([*** See config.log for details.])
AC_MSG_ERROR([*** Cannot continue.])
fi
cat > conftest.c <<EOF
#include <stdio.h>
#include <stdlib.h>
#include "confdefs.h"
#ifdef __cplusplus
extern "C" {
#endif
void $ompi_check_logical_fn(ompi_fortran_logical_t * logical);
void $ompi_check_logical_fn(ompi_fortran_logical_t * logical)
{
int result = 0;
FILE *f=fopen("conftestval", "w");
if (!f) exit(1);
if (logical[[0]] == 0 &&
logical[[1]] == $ompi_cv_f77_true_value)
result = 1;
fprintf(f, "%d\n", result);
}
#ifdef __cplusplus
}
#endif
EOF
# Try the compilation and run. Can't use AC_TRY_RUN
# because it's two module files.
OMPI_LOG_COMMAND([$CC $CFLAGS -I. -c conftest.c],
[OMPI_LOG_COMMAND([$F77 $FFLAGS conftestf.f conftest.o -o conftest $LDFLAGS $LIBS],
[happy=1], [happy=0])],
[happy=0])
if test "$happy" = "0" ; then
AC_MSG_ERROR([Error determining if arrays of logical values work properly.])
fi
AS_IF([test "$cross_compiling" = "yes"],
[ # assume we're ok
ompi_cv_f77_logical_array_correct=yes],
[OMPI_LOG_COMMAND([./conftest],
[if test "`cat conftestval`" = "1" ; then
ompi_cv_f77_logical_array_correct=yes
else
ompi_cv_f77_logical_array_correct=no
fi],
[ompi_cv_f77_logical_array_correct=no])])
fi])
if test "$ompi_cv_f77_logical_array_correct" = "no" ; then
AC_MSG_ERROR([Error determining if arrays of logical values work properly.])
fi
unset happy ompi_check_logical_fn
rm -rf conftest*
])dnl
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