From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7DBA7C47257 for ; Sun, 10 May 2020 01:04:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5AB9F20801 for ; Sun, 10 May 2020 01:04:48 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="JfRiwM+D" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728808AbgEJBEq (ORCPT ); Sat, 9 May 2020 21:04:46 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59622 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1728597AbgEJBEq (ORCPT ); Sat, 9 May 2020 21:04:46 -0400 Received: from mail-lf1-x143.google.com (mail-lf1-x143.google.com [IPv6:2a00:1450:4864:20::143]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A8A43C061A0C; Sat, 9 May 2020 18:04:45 -0700 (PDT) Received: by mail-lf1-x143.google.com with SMTP id s9so4475447lfp.1; Sat, 09 May 2020 18:04:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=f9OMJ4QqO80W6llrJvtktoKcBibXIt97DfEYZTwrp+I=; b=JfRiwM+DA54Yb3KW3YcaBNYYA7zjOFzPII3+AfFCs++UpE3u0ni3a57OSI8UoUa/py y2tfRxfw/u71ojnNnOIebELUbuUCbUv9qunoV4ZgfKU0i/PnvHQH4+OC3NJdLUeD08a3 qm9KDZrT7kmvFHsjY7UN4lZXE2RHgK1n8acbF3JeFOtfkcXUYlOBNFRNgtK6RcYD9dhY UwIwUHgv+vKGXDMpyjv6kI/Gewuqx8eJrMz7KZ9Jr3PF8/P7XpulWDcAj1uioZzpKQ0O MblxCAHuXLpCTtvtwMh2xM3o25n6Z0ZA12Ul+jyPjYjVBwdhnrVcM8f3lgb5NOGJvPFK kB0Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=f9OMJ4QqO80W6llrJvtktoKcBibXIt97DfEYZTwrp+I=; b=tE9vt3ERSFXB48/TTkwzXqdMb65+mKm5zLG/GHuxCjvFj2haGCk9ElfhxkRiSHY9Bz 9KWxayMI2F05PR9pr9am/A7JcH4CFvfQLQQeTtaBz1HD9i1njJJC6ivDdeLSbh23mWrQ j0KdStMf417fB74P0u0M86CdxfzX3L+rfCy0QKy8NEkGF/GPISu7Wng6wOx4fRGCdC1e 8mRu/DVwuoW+nw9bn4K6l2pkmyGny/3iRubwORSn8HTl9O+DVIp/vLgkpNB56GRI2JCh y2K0Q6wfJSHHWm/LQcVxtZjqfYlVxZ1P58rsHwsTT17H3D4loh8j06jZQXDkGHftWENP +TAQ== X-Gm-Message-State: AOAM533HBJm44FfvB3SrV3WDof3PkmNsTzTDYMW1+6+u8DYwzlG4hizR 0myQOwLdbwvc6I2+iWgm4FEtOwwgb74tnhDTE+k= X-Google-Smtp-Source: ABdhPJyPxH8lACy7OQ9qPIfDShUjzuMcC8PErrHH9XH7PduJIqq/pVypBNAIZ9nYVSnE9O+0PX86JvGv8hSHbUBAPC8= X-Received: by 2002:ac2:442f:: with SMTP id w15mr6381987lfl.73.1589072684189; Sat, 09 May 2020 18:04:44 -0700 (PDT) MIME-Version: 1.0 References: <20200509073915.860588-1-masahiroy@kernel.org> In-Reply-To: <20200509073915.860588-1-masahiroy@kernel.org> From: Alexei Starovoitov Date: Sat, 9 May 2020 18:04:32 -0700 Message-ID: Subject: Re: [PATCH] bpfilter: check if $(CC) can static link in Kconfig To: Masahiro Yamada Cc: Linux Kbuild mailing list , Valdis Kletnieks , LKML , bpf , Alexei Starovoitov , Andrii Nakryiko , Daniel Borkmann , "David S. Miller" , Jakub Kicinski , John Fastabend , KP Singh , Martin KaFai Lau , Song Liu , Yonghong Song , Network Development Content-Type: text/plain; charset="UTF-8" Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Sat, May 9, 2020 at 12:40 AM Masahiro Yamada wrote: > > On Fedora, linking static libraries requires the glibc-static RPM > package, which is not part of the glibc-devel package. > > CONFIG_CC_CAN_LINK does not check the capability of static linking, > so you can enable CONFIG_BPFILTER_UMH, then fail to build. > > HOSTLD net/bpfilter/bpfilter_umh > /usr/bin/ld: cannot find -lc > collect2: error: ld returned 1 exit status > > Add CONFIG_CC_CAN_LINK_STATIC, and make CONFIG_BPFILTER_UMH depend > on it. > > Reported-by: Valdis Kletnieks > Signed-off-by: Masahiro Yamada Thanks! Acked-by: Alexei Starovoitov