fix .gitignore: only ignore 'perl' in root of repo, not U/perl subdir

[metaconfig.git] / U / perl / d_ptrdiff_t.U

?RCS: $Id$
?RCS:
?RCS: Copyright (c) 2014 H.Merijn Brand
?RCS:
?RCS: You may distribute under the terms of either the GNU General Public
?RCS: License or the Artistic License, as specified in the README file.
?RCS:
?MAKE:d_ptrdiff_t: Inlibc Setvar Compile rm_try cat
?MAKE:	-pick add $@ %<
?S:d_ptrdiff_t:
?S:	This symbol will be defined if the C compiler supports ptrdiff_t.
?S:.
?C:HAS_PTRDIFF_T:
?C:	This symbol will be defined if the C compiler supports ptrdiff_t.
?C:.
?H:#$d_ptrdiff_t	HAS_PTRDIFF_T    		/**/
?H:.
?LINT:set d_ptrdiff_t
: check for ptrdiff_t
echo " "
echo "Checking to see if you have ptrdiff_t..." >&4
$cat >try.c <<EOCP
#include <stddef.h>
int main() { ptrdiff_t x = 7; }
EOCP
set try
if eval $compile; then
	val="$define"
	echo "You have ptrdiff_t."
else
	val="$undef"
	echo "You do not have ptrdiff_t."
fi
$rm_try
set d_ptrdiff_t
eval $setvar