?RCS: $Id$
?RCS:
?RCS: Copyright (c) 1991-1997, 2004-2006, Raphael Manfredi
?RCS:
?RCS: You may redistribute only under the terms of the Artistic License,
?RCS: as specified in the README file that comes with the distribution.
?RCS: You may reuse parts of this distribution only within the terms of
?RCS: that same Artistic License; a copy of which may be found at the root
?RCS: of the source tree for dist 4.0.
?RCS:
?RCS: Original Author: Andy Dougherty <doughera@lafcol.lafayette.edu>
?RCS:
?RCS: $Log: d_attribut.U,v $
?RCS: Revision 3.0.1.3  1995/01/30  14:33:45  ram
?RCS: patch49: test C program now includes <stdio.h> (WED)
?RCS:
?RCS: Revision 3.0.1.2  1995/01/11  15:25:47  ram
?RCS: patch45: fixed typo in the d_attribut variable (ADO)
?RCS:
?RCS: Revision 3.0.1.1  1994/10/29  16:08:55  ram
?RCS: patch36: created by ADO
?RCS:
?MAKE:d_attribut: Myread Oldconfig cat cc ccflags rm Setvar contains
?MAKE:	-pick add $@ %<
?S:d_attribut (d_attrib):
?S:	This variable conditionally defines HASATTRIBUTE, which
?S:	indicates the C compiler can check for function attributes,
?S:	such as printf formats.
?S:.
?C:HASATTRIBUTE ~ %< (GNUC_ATTRIBUTE_CHECK):
?C:	This symbol indicates the C compiler can check for function attributes,
?C:	such as printf formats. This is normally only supported by GNU cc.
?C:.
?H:?%<:#$d_attribut HASATTRIBUTE 	/**/
?H:?%<:#ifndef HASATTRIBUTE
?H:?%<:#define __attribute__(_arg_)
?H:?%<:#endif
?H:.
?W:%<:__attribute__
?LINT:set d_attribut
?LINT:known __attribute__
: Look for GNU-cc style attribute checking
echo " "
echo "Checking whether your compiler can handle __attribute__ ..." >&4
$cat >attrib.c <<'EOCP'
#include <stdio.h>
void croak (char* pat,...) __attribute__((format(printf,1,2),noreturn));
EOCP
if $cc $ccflags -c attrib.c >attrib.out 2>&1 ; then
	if $contains 'warning' attrib.out >/dev/null 2>&1; then
		echo "Your C compiler doesn't fully support __attribute__."
		val="$undef"
	else
		echo "Your C compiler supports __attribute__."
		val="$define"
	fi
else
	echo "Your C compiler doesn't seem to understand __attribute__ at all."
	val="$undef"
fi
set d_attribut
eval $setvar
$rm -f attrib*

