From patchwork Wed Aug 10 17:24:43 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Adhemerval Zanella Netto X-Patchwork-Id: 56664 Return-Path: X-Original-To: patchwork@sourceware.org Delivered-To: patchwork@sourceware.org Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 06E733856242 for ; Wed, 10 Aug 2022 17:25:18 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 06E733856242 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1660152318; bh=7lieUlzq+J8DWPi1JEGj0pIVNKL7MFtT/un+vRJRYMs=; h=To:Subject:Date:In-Reply-To:References:List-Id:List-Unsubscribe: List-Archive:List-Post:List-Help:List-Subscribe:From:Reply-To: From; b=t6U7tK7arEKclH7ZI4JMN/FrN32D2MjFTjrNaywyfJXYZRDiAP+j93BgMpO+uwkdL c/C4V0ZepwGPBdvyISyDnV5IMXhscOaHErfCW5D/ZlIzfBl1ZwSxqlepEZpThE/bhU EcQRHDBdZ0FCIoys2rNS2h5r7U4xmh0P+DCaH6MU= X-Original-To: libc-alpha@sourceware.org Delivered-To: libc-alpha@sourceware.org Received: from mail-ua1-x92a.google.com (mail-ua1-x92a.google.com [IPv6:2607:f8b0:4864:20::92a]) by sourceware.org (Postfix) with ESMTPS id 007703858418 for ; Wed, 10 Aug 2022 17:24:52 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 007703858418 Received: by mail-ua1-x92a.google.com with SMTP id 5so6052770uay.5 for ; Wed, 10 Aug 2022 10:24:52 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:x-gm-message-state:from:to:cc; bh=7lieUlzq+J8DWPi1JEGj0pIVNKL7MFtT/un+vRJRYMs=; b=q7mpNHMnVGmK7WDTs34jlhoyULtDUil7tYSU8ww4hrxodOg7m37hpYKMwxaXosfAXO 9pv3+Lx+2LQzS0NX887KjV72FtWoipkPir+hIy5/o3FSI54s6JYX3m1HQB/aA8gLihfe kSzbyyS/Q4isO+xlhgraolAnvu7WVxRKK6kSm73EpPMj3SWa8bs11o7fd4qxpabAQTPZ upTALdQuokTKJ82vUPVfGASQj8UTDKxSdGTkp2VAtu49hG5WBxpaK0lJ1NG0YAv0bOL6 WKYqGMG6xz8MvwDqtDfMq929iiPzfr69q2KaGUYluntQiiz/p3S82eCe/xIESkDS25Rm SSzg== X-Gm-Message-State: ACgBeo2/8WG1tFFGdC9goVoRWKA9oAEIxvB90cNiNmgagGDA0lSZ5P2P JtJqXFtHKXkTnWgh3y5XxnIsBTWFiGPXoQ== X-Google-Smtp-Source: AA6agR6Rceee+17H+zt9Hrj0Qh8N/AUsvLD/PuFLKVBeCWJm2pPhY6o9gBewcgmOqySnxD1OEx5IYA== X-Received: by 2002:ab0:7583:0:b0:385:df8a:9cf4 with SMTP id q3-20020ab07583000000b00385df8a9cf4mr11724243uap.72.1660152292113; Wed, 10 Aug 2022 10:24:52 -0700 (PDT) Received: from mandiga.. ([2804:431:c7ca:930b:405a:6d95:e89e:4020]) by smtp.gmail.com with ESMTPSA id i31-20020a0561023d1f00b00388859a325asm155722vsv.30.2022.08.10.10.24.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 10 Aug 2022 10:24:51 -0700 (PDT) To: libc-alpha@sourceware.org, Florian Weimer Subject: [PATCH v2 1/5] glibcextract.py: Add compile_c_snippet Date: Wed, 10 Aug 2022 14:24:43 -0300 Message-Id: <20220810172447.1502169-2-adhemerval.zanella@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220810172447.1502169-1-adhemerval.zanella@linaro.org> References: <20220810172447.1502169-1-adhemerval.zanella@linaro.org> MIME-Version: 1.0 X-Spam-Status: No, score=-12.3 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, GIT_PATCH_0, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Patchwork-Original-From: Adhemerval Zanella via Libc-alpha From: Adhemerval Zanella Netto Reply-To: Adhemerval Zanella Errors-To: libc-alpha-bounces+patchwork=sourceware.org@sourceware.org Sender: "Libc-alpha" It might be used on tests to check if a snippet build with the provided compiler and flags. --- scripts/glibcextract.py | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/scripts/glibcextract.py b/scripts/glibcextract.py index 43ab58ffe2..71d9ea1acc 100644 --- a/scripts/glibcextract.py +++ b/scripts/glibcextract.py @@ -21,6 +21,7 @@ import os.path import re import subprocess import tempfile +import collections def compute_c_consts(sym_data, cc): @@ -173,3 +174,22 @@ def compare_macro_consts(source_1, source_2, cc, macro_re, exclude_re=None, if not allow_extra_2: ret = 1 return ret + +CompileResult = collections.namedtuple("CompileResult", "returncode output") + +def compile_c_snippet(snippet, cc, extra_cc_args=""): + """Compile and return whether the SNIPPET can be build with CC along + EXTRA_CC_ARGS compiler flags. Return a CompileResult with RETURNCODE + being 0 for success, or the failure value and the compiler output. + """ + with tempfile.TemporaryDirectory() as temp_dir: + c_file_name = os.path.join(temp_dir, 'test.c') + obj_file_name = os.path.join(temp_dir, 'test.o') + with open(c_file_name, 'w') as c_file: + c_file.write(snippet) + # Compilation has to be from stdin to avoid the temporary file + # name being written into the generated dependencies. + cmd = ('%s %s -c -o %s -x c - < %s' % (cc, extra_cc_args, + obj_file_name, c_file_name)) + r = subprocess.run(cmd, shell=True, capture_output=True) + return CompileResult(r.returncode, r.stderr)