From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: ARC-Seal: i=1; a=rsa-sha256; t=1519325443; cv=none; d=google.com; s=arc-20160816; b=AU79V5gAx85MyJkjcnAPCMTa4tef3/xcgbOaEISyy7mspoaTl5O6KAh0I2Ni0FvCjz t1nfnEK8zSq26Zkkpih8zymbqxDiOFJQawK/FXyhBbw/ghU47Ppwp8eQsttMrIrcmN7e Psc/Pw9puBrYlM8fmwZ27o65W/1HZk+Owovtfut7jfBK4cxFSIMqba5c8rhlBXh3mucq 4H5zmzAr0jaM4RcvOflVqVyLW/9K+EsrrOEFs38FBjCTUyI+fy8tQuff0T8fITwZUnJL +X28sFDZWS2GSxn3d4kwYran0agYEUvZV1DR6muR1hETbV0BDiKJtWP/3eHT/hAseW6/ Q8Mg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:subject:cc:to:from:date:dkim-signature :arc-authentication-results; bh=A76T9X87eggiI7wPmER3QcsewSP23sak9LMb/SXQn5o=; b=t2VH1w65FmYW3hAZ3hXkQ8ucV2Ih/Fj13daTocV7+vohqT50FGWAUIxnqwhpYTDTiU 4Vu0vt8utMKNyoB7tWrEOapNkaC21ZAbWS6hf5QueAXMRZ/Agms+UEasIQ/cnEKPekIR QVNtkiZf4kbJUV/ZyMqx+Kfsz7uAjSU5ndDY00Okm90YN7e1MW173AbqjIB8hpQY8HcM ks756yk0VFKWP3LNn0YvACa/G9xq3+85i9f4VLUnLE/llxnpBYk9fXy7+G7lY7HfZIep SR5FhsuzfJUxP9azTwdwCny8K+7B88ztoknxrPzkTP9vDY/FwZ1nW6pOsdCNX8HDP+3L NdLQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=VxppnIq9; spf=pass (google.com: domain of re.emese@gmail.com designates 209.85.220.41 as permitted sender) smtp.mailfrom=re.emese@gmail.com; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=VxppnIq9; spf=pass (google.com: domain of re.emese@gmail.com designates 209.85.220.41 as permitted sender) smtp.mailfrom=re.emese@gmail.com; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com X-Google-Smtp-Source: AG47ELt+q1dmJnwBItxGDmiB3AjWHKXRTh6CuNHdXJ1FEWJS3RUYZm3Lgns5Pk8hJ6zRvS3qYnainQ== Date: Thu, 22 Feb 2018 19:45:41 +0100 From: Emese Revfy To: Masahiro Yamada Cc: linux-kbuild@vger.kernel.org, Linus Torvalds , Greg Kroah-Hartman , Arnd Bergmann , Kees Cook , Randy Dunlap , Ulf Magnusson , Sam Ravnborg , Michal Marek , kernel-hardening@lists.openwall.com, linux-kernel@vger.kernel.org, keescook@chromium.org, kernel-hardening@lists.openwall.com Subject: Re: [PATCH 20/23] gcc-plugins: always build plugins with C++ Message-Id: <20180222194541.35076c5b2166879a8d5d234a@gmail.com> In-Reply-To: <1518806331-7101-21-git-send-email-yamada.masahiro@socionext.com> References: <1518806331-7101-1-git-send-email-yamada.masahiro@socionext.com> <1518806331-7101-21-git-send-email-yamada.masahiro@socionext.com> X-Mailer: Sylpheed 3.5.1 (GTK+ 2.24.31; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: =?utf-8?q?1592583935376722462?= X-GMAIL-MSGID: =?utf-8?q?1593128196163317142?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: On Sat, 17 Feb 2018 03:38:48 +0900 Masahiro Yamada wrote: > If the target compiler is GCC 4.8 or newer, plugins are compiled with > HOSTCXX. Otherwise, gcc-plugin.sh will select HOSTCC or HOSTCXX. > > To simpily things, let's decide GCC 4.8 is the requirement for GCC > pulgins. With this, plugins are always built with HOSTCXX. This is a > feature of advanced users, so this requirement whould not be not a big > issue. I disagree with such a decision. I think the gcc plugins should compile with older version because the kernel can be compiled with them too. The distros use these older versions as well and I can very well imagine that new plugins will extend these with backported features such as my sancov plugin. -- Emese