Remove modified d_const.U

Perl no longer needs a d_const.U unit at all, so we needn't keep a modified
version of it.

diff --git a/U/modified/d_const.U b/U/modified/d_const.U
deleted file mode 100644 (file)
index 1dc15ef..0000000
--- a/U/modified/d_const.U
+++ /dev/null
@@ -1,64 +0,0 @@
-?RCS: $Id: d_const.U,v 3.0.1.1 1993/11/10 17:33:41 ram Exp $
-?RCS:
-?RCS: Copyright (c) 1991-1993, 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 3.0.
-?RCS:
-?RCS: $Log: d_const.U,v $
-?RCS: Revision 3.0.1.1  1993/11/10  17:33:41  ram
-?RCS: patch14: stronger const check with added typedef for MIPS cc
-?RCS:
-?RCS: Revision 3.0  1993/08/18  12:05:51  ram
-?RCS: Baseline for dist 3.0 netwide release.
-?RCS:
-?MAKE:d_const: cat cc ccflags Setvar
-?MAKE: -pick add $@ %<
-?S:d_const:
-?S:    This variable conditionally defines the HASCONST symbol, which
-?S:    indicates to the C program that this C compiler knows about the
-?S:    const type.
-?S:.
-?C:HASCONST ~ %<:
-?C:    This symbol, if defined, indicates that this C compiler knows about
-?C:    the const type. There is no need to actually test for that symbol
-?C:    within your programs. The mere use of the "const" keyword will
-?C:    trigger the necessary tests.
-?C:.
-?H:?%<:#$d_const HASCONST      /**/
-?H:?%<:#ifndef HASCONST
-?H:?%<:#define const
-?H:?%<:#endif
-?H:.
-?W:%<:const
-?LINT:set d_const
-?LINT:known const
-: check for const keyword
-echo " "
-echo 'Checking to see if your C compiler knows about "const"...' >&4
-$cat >const.c <<'EOCP'
-?X: mmcg@bruce.cs.monash.edu.au reports that:
-?X: The MIPS cc compiler (V2.10) on a dec 5000 running Ultrix 4.2A
-?X: pretends to understand `const' but doesn't - it'll also fail to
-?X: handle typedefs properly if they're declared const. To guard
-?X: against this, boost up the test by using an explicit typedef...
-typedef struct spug { int drokk; } spug;
-int main()
-{
-       const char *foo;
-       const spug y = { 0 };
-}
-EOCP
-if $cc -c $ccflags const.c >/dev/null 2>&1 ; then
-       val="$define"
-       echo "Yup, it does."
-else
-       val="$undef"
-       echo "Nope, it doesn't."
-fi
-set d_const
-eval $setvar
-