72 lines
2.0 KiB
Diff
72 lines
2.0 KiB
Diff
From: Sergey Senozhatsky <senozhatsky@chromium.org>
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To: Masahiro Yamada <masahiroy@kernel.org>
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Cc: Patrick Georgi <pgeorgi@google.com>, linux-kbuild@vger.kernel.org,
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linux-kernel@vger.kernel.org,
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Sergey Senozhatsky <senozhatsky@chromium.org>,
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Stefan Reinauer <reinauer@google.com>
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Subject: [PATCH] kconfig: WERROR unmet symbol dependency
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Date: Wed, 22 Nov 2023 12:47:45 +0900
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Message-ID: <20231122034753.1446513-1-senozhatsky@chromium.org>
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MIME-Version: 1.0
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Content-Transfer-Encoding: 8bit
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List-ID: <linux-kernel.vger.kernel.org>
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X-Mailing-List: linux-kernel@vger.kernel.org
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When KCONFIG_WERROR env variable is set treat unmet direct
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symbol dependency as a terminal condition (error).
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Suggested-by: Stefan Reinauer <reinauer@google.com>
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Signed-off-by: Sergey Senozhatsky <senozhatsky@chromium.org>
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---
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scripts/kconfig/symbol.c | 9 ++++++++-
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1 file changed, 8 insertions(+), 1 deletion(-)
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Index: kconfig/symbol.c
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===================================================================
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--- kconfig.orig/symbol.c
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+++ kconfig/symbol.c
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@@ -37,6 +37,7 @@ static struct symbol symbol_empty = {
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struct symbol *modules_sym;
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static tristate modules_val;
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+static int sym_warnings;
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enum symbol_type sym_get_type(struct symbol *sym)
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{
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@@ -319,12 +320,14 @@ static void sym_warn_unmet_dep(struct sy
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" Selected by [m]:\n");
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fputs(str_get(&gs), stderr);
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+ sym_warnings++;
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}
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void sym_calc_value(struct symbol *sym)
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{
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struct symbol_value newval, oldval;
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struct property *prop;
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+ const char *werror;
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struct expr *e;
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if (!sym)
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@@ -340,8 +343,9 @@ void sym_calc_value(struct symbol *sym)
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sym_calc_value(prop_get_symbol(prop));
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}
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+ werror = getenv("KCONFIG_WERROR");
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+ sym_warnings = 0;
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sym->flags |= SYMBOL_VALID;
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-
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oldval = sym->curr;
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switch (sym->type) {
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@@ -432,6 +436,9 @@ void sym_calc_value(struct symbol *sym)
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;
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}
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+ if (sym_warnings && werror)
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+ exit(1);
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+
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sym->curr = newval;
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if (sym_is_choice(sym) && newval.tri == yes)
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sym->curr.val = sym_calc_choice(sym);
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