lint: require C11 for _Generic
This does not have any effect in practice since the option -g (originally meant for GCC extensions to the C standards) implicitly allows all features from C11, since err.c 1.111 from 2021-04-14. Since the default lint flags for NetBSD builds include the option -g, this allows all C11 features. Currently it is not possible to say "allow GNU extensions but not C11".
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@ -1,4 +1,4 @@
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# $NetBSD: mi,v 1.1066 2021/06/27 18:48:45 rillig Exp $
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# $NetBSD: mi,v 1.1067 2021/06/27 19:10:29 rillig Exp $
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#
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# Note: don't delete entries from here - mark them as "obsolete" instead.
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#
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@ -6924,6 +6924,8 @@
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./usr/tests/usr.bin/xlint/lint1/msg_343.exp tests-usr.bin-tests compattestfile,atf
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./usr/tests/usr.bin/xlint/lint1/msg_344.c tests-usr.bin-tests compattestfile,atf
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./usr/tests/usr.bin/xlint/lint1/msg_344.exp tests-usr.bin-tests compattestfile,atf
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./usr/tests/usr.bin/xlint/lint1/msg_345.c tests-usr.bin-tests compattestfile,atf
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./usr/tests/usr.bin/xlint/lint1/msg_345.exp tests-usr.bin-tests compattestfile,atf
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./usr/tests/usr.bin/xlint/lint1/op_colon.c tests-usr.bin-tests compattestfile,atf
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./usr/tests/usr.bin/xlint/lint1/op_colon.exp tests-usr.bin-tests compattestfile,atf
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./usr/tests/usr.bin/xlint/lint1/stmt_for.c tests-usr.bin-tests compattestfile,atf
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@ -1,7 +1,7 @@
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# $NetBSD: Makefile,v 1.67 2021/06/27 18:48:45 rillig Exp $
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# $NetBSD: Makefile,v 1.68 2021/06/27 19:10:29 rillig Exp $
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NOMAN= # defined
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MAX_MESSAGE= 344 # see lint1/err.c
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MAX_MESSAGE= 345 # see lint1/err.c
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.include <bsd.own.mk>
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@ -0,0 +1,14 @@
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/* $NetBSD: msg_345.c,v 1.1 2021/06/27 19:10:29 rillig Exp $ */
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# 3 "msg_345.c"
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// Test for message: generic selection requires C11 or later [345]
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/* Omit flag -g since it silences c11ism. */
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/* lint1-flags: -Sw */
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int
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test(int x)
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{
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/* expect+1: generic selection requires C11 or later [345] */
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return _Generic(x, default: 3);
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}
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@ -0,0 +1 @@
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msg_345.c(13): error: generic selection requires C11 or later [345]
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@ -1,4 +1,4 @@
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# $NetBSD: t_integration.sh,v 1.60 2021/06/27 18:48:45 rillig Exp $
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# $NetBSD: t_integration.sh,v 1.61 2021/06/27 19:10:29 rillig Exp $
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#
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# Copyright (c) 2008, 2010 The NetBSD Foundation, Inc.
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# All rights reserved.
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@ -211,7 +211,7 @@ all_messages_body()
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failed=""
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for msg in $(seq 0 344); do
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for msg in $(seq 0 345); do
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name="$(printf 'msg_%03d.c' "$msg")"
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check_lint1 "$name" \
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|| failed="$failed${failed:+ }$name"
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@ -1,5 +1,5 @@
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%{
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/* $NetBSD: cgram.y,v 1.235 2021/06/27 18:54:14 rillig Exp $ */
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/* $NetBSD: cgram.y,v 1.236 2021/06/27 19:10:29 rillig Exp $ */
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/*
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* Copyright (c) 1996 Christopher G. Demetriou. All Rights Reserved.
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@ -35,7 +35,7 @@
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#include <sys/cdefs.h>
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#if defined(__RCSID) && !defined(lint)
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__RCSID("$NetBSD: cgram.y,v 1.235 2021/06/27 18:54:14 rillig Exp $");
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__RCSID("$NetBSD: cgram.y,v 1.236 2021/06/27 19:10:29 rillig Exp $");
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#endif
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#include <limits.h>
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/* TODO: c11ism */
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generic_selection: /* C11 6.5.1.1 */
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T_GENERIC T_LPAREN expr T_COMMA generic_assoc_list T_RPAREN {
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/* generic selection requires C11 or later */
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c11ism(345);
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$$ = $3;
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}
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;
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@ -1,4 +1,4 @@
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/* $NetBSD: err.c,v 1.119 2021/05/16 11:11:36 rillig Exp $ */
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/* $NetBSD: err.c,v 1.120 2021/06/27 19:10:29 rillig Exp $ */
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/*
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* Copyright (c) 1994, 1995 Jochen Pohl
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@ -37,7 +37,7 @@
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#include <sys/cdefs.h>
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#if defined(__RCSID) && !defined(lint)
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__RCSID("$NetBSD: err.c,v 1.119 2021/05/16 11:11:36 rillig Exp $");
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__RCSID("$NetBSD: err.c,v 1.120 2021/06/27 19:10:29 rillig Exp $");
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#endif
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#include <sys/types.h>
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"argument to '%s' must be cast to 'unsigned char', not to '%s'", /* 342 */
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"static array size is a C11 extension", /* 343 */
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"bit-field of type plain 'int' has implementation-defined signedness", /* 344 */
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"generic selection requires C11 or later", /* 345 */
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};
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static struct include_level {
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