From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from xry111.site (xry111.site [IPv6:2001:470:683e::1]) by sourceware.org (Postfix) with ESMTPS id 1E02E3858C2B for ; Sat, 15 Apr 2023 12:01:19 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 1E02E3858C2B Authentication-Results: sourceware.org; dmarc=pass (p=reject dis=none) header.from=xry111.site Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=xry111.site DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=xry111.site; s=default; t=1681560076; bh=cl+8Kmx7SnXAXwzms2U6HUIDBidMXJ/6mK6QKvgzz4Q=; h=From:To:Cc:Subject:Date:From; b=Id6V5GD+1Lqj3mgL1bFVtAOmV93aWaQNYWIdqoWgOwU4gmTWxt6kGqYYzqA5i12L1 B+npoCTRWS/0fGVtTlXGqhwZmQLfkG7AFWQoNpk6V0+ELg3wT1Yi11Z7ULFyUFE1CK 9CqbVUO7MCSTBbEwWX6DKjlt1+bK0Eo2Vn97/1dc= Received: from stargazer.. (unknown [113.140.11.3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-384) server-digest SHA384) (Client did not present a certificate) (Authenticated sender: xry111@xry111.site) by xry111.site (Postfix) with ESMTPSA id B3BA765C9C; Sat, 15 Apr 2023 08:01:15 -0400 (EDT) From: Xi Ruoyao To: gcc-patches@gcc.gnu.org Cc: Jakub Jelinek , Xi Ruoyao Subject: [PATCH] build: Use -nostdinc generating macro_list [PR109522] Date: Sat, 15 Apr 2023 20:01:05 +0800 Message-Id: <20230415120105.131576-1-xry111@xry111.site> X-Mailer: git-send-email 2.40.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-7.6 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,GIT_PATCH_0,LIKELY_SPAM_FROM,RCVD_IN_BARRACUDACENTRAL,SPF_HELO_PASS,SPF_PASS,TXREP autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: This prevents a spurious message building a cross-compiler when target libc is not installed yet: cc1: error: no include path in which to search for stdc-predef.h As stdc-predef.h was added to define __STDC_* macros by libc, it's unlikely the header will ever contain some bad definitions w/o "__" prefix so it should be safe. gcc/ChangeLog: PR other/109522 * Makefile.in (s-macro_list): Pass -nostdinc to $(GCC_FOR_TARGET). --- gcc/Makefile.in | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/gcc/Makefile.in b/gcc/Makefile.in index ad9a5d94cd0..eb26d5c7be5 100644 --- a/gcc/Makefile.in +++ b/gcc/Makefile.in @@ -3215,7 +3215,7 @@ install-gcc-tooldir: macro_list: s-macro_list; @true s-macro_list : $(GCC_PASSES) cc1$(exeext) - echo | $(GCC_FOR_TARGET) -E -dM - | \ + echo | $(GCC_FOR_TARGET) -nostdinc -E -dM - | \ sed -n -e 's/^#define \([^_][a-zA-Z0-9_]*\).*/\1/p' \ -e 's/^#define \(_[^_A-Z][a-zA-Z0-9_]*\).*/\1/p' | \ sort -u > tmp-macro_list -- 2.40.0