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dnl -*- shell-script -*-
dnl
dnl Copyright (c) 2004-2005 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
AC_DEFUN([OMPI_CHECK_ICC_VARARGS],[
dnl
dnl On EM64T, icc-8.1 before version 8.1.027 segfaulted, since
dnl va_start was miscompiled...
dnl
AC_MSG_CHECKING([whether icc-8.1 for EM64T works with variable arguments])
AC_TRY_RUN([
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
void func (int c, char * f, ...)
{
va_list arglist;
va_start (arglist, f);
/* vprintf (f, arglist); */
va_end (arglist);
}
int main ()
{
FILE *f;
func (4711, "Help %d [%s]\n", 10, "ten");
f=fopen ("conftestval", "w");
if (!f) exit (1);
return 0;
}
],[ompi_ac_icc_varargs=`test -f conftestval`],[ompi_ac_icc_varargs=1],[ompi_ac_icc_varargs=1])
if test "$ompi_ac_icc_varargs" = "1"; then
AC_MSG_WARN([*** Problem running configure test!])
AC_MSG_WARN([*** Your icc-8.1 compiler seems to miscompile va_start!])
AC_MSG_WARN([*** Please upgrade compiler to at least version 8.1.027])
AC_MSG_ERROR([*** Cannot continue.])
fi
AC_MSG_RESULT([yes])
rm -rf conftest*])dnl
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