48f82db838
determine values like Fortran alignment (which can only be determined by running a program) when cross-compiling. By providing cache values, the programs will not be run at all, and life will be good. Also clean up some macro interfaces so that they are a bit easier to use, at the cost of horrid internals ;). This commit was SVN r8684.
82 строки
2.4 KiB
Bash
82 строки
2.4 KiB
Bash
dnl -*- shell-script -*-
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dnl
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dnl Copyright (c) 2004-2005 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_F77_GET_SIZEOF(type, variable to set)
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# ------------------------------------------
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AC_DEFUN([OMPI_F77_GET_SIZEOF],[
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AS_VAR_PUSHDEF([type_var], [ompi_cv_f77_sizeof_$1])
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AC_CACHE_CHECK([size of Fortran $1], type_var,
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[OMPI_F77_MAKE_C_FUNCTION([ompi_ac_size_fn], [size])
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# Fortran module
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cat > conftestf.f <<EOF
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program fsize
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external SIZE
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$1 x(2)
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call SIZE(x(1),x(2))
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end
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EOF
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# C module
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if test -f conftest.h; then
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ompi_conftest_h="#include \"conftest.h\""
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else
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ompi_conftest_h=""
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fi
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cat > conftest.c <<EOF
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#include <stdio.h>
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#include <stdlib.h>
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$ompi_conftest_h
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#ifdef __cplusplus
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extern "C" {
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#endif
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void $ompi_ac_size_fn(char *a, char *b)
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{
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int diff = (int) (b - a);
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FILE *f=fopen("conftestval", "w");
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if (!f) exit(1);
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fprintf(f, "%d\n", diff);
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}
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#ifdef __cplusplus
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}
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#endif
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EOF
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OMPI_LOG_COMMAND([$CC $CFLAGS -I. -c conftest.c],
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[OMPI_LOG_COMMAND([$F77 $FFLAGS conftestf.f conftest.o -o conftest $LDFLAGS $LIBS],
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[happy="yes"], [happy="no"])], [happy="no"])
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if test "$happy" = "no" ; then
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AC_MSG_ERROR([Could not determine size of $1])
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fi
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AS_IF([test "$cross_compiling" = "yes"],
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[AC_MSG_ERROR([Can not determine size of $1 when cross-compiling])],
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[OMPI_LOG_COMMAND([./conftest],
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[AS_VAR_SET(type_var, [`cat conftestval`])],
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[AC_MSG_ERROR([Could not determine size of $1])])])
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unset happy ompi_conftest_h
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rm -f conftest*])
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$2=AS_VAR_GET(type_var)
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AS_VAR_POPDEF([type_var])dnl
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])dnl
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