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Mon, 10 Aug 2020 11:51:58 +0000 From: "Licht, Martin" To: "gcc-help@gcc.gnu.org" Subject: Diagnostic format of warnings Thread-Topic: Diagnostic format of warnings Thread-Index: AQHWbwjN2XSDtDtw9kq4cvyzQUy60Q== Date: Mon, 10 Aug 2020 11:51:58 +0000 Message-ID: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [80.144.105.63] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 59092721-1e6a-41b2-01eb-08d83d23c945 x-ms-traffictypediagnostic: BYAPR04MB4999: x-microsoft-antispam-prvs: x-campus_o365: o365_983452 x-ms-oob-tlc-oobclassifiers: OLM:7691; x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: aMlOpLWPoLlEkNMIxe9D/tnf2qHPz6gZDyQqKT1VIce/cGvkvasb7kNP1O7BL51h42dSQZOk2umwKCIZTvuzQO3f9MLRthwis10Ld1NpB+t+wKOH6XB5Uw/0GTqWoBYTcvH7RkjCh6BE9mg8dn5WxKBrDlPTQbKnTNY7Fjmg3t4SEFKWriOKp2tCw7TDOcAuPEWi7VZXl5Oqa8QMMyG6u4TrRIkGiIuyTP6yIiOBML/Mqv1BMb51VnDgv288IJjUJINn2TsCPIACPHepv1QajvzohaRpVVOorJa4j0WkpOVfxzKanse6+pjdO5BmC460/1KHXZObMWffmFFBmZh3PjKqFm+1f9DQd1uyaU1mCmwwPmThMtvaqgSUTjxlzY53DYDBTHgsF0u0xgGgdv1Uuw== x-forefront-antispam-report: CIP:255.255.255.255; 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charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.29 X-BeenThere: gcc-help@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-help mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 10 Aug 2020 11:52:12 -0000 Hello, I have got a question regarding diagnostic output in GCC. It seems that some diagnostic messages receive a color markup on my shell w= hereas others don't. For example, the word "warning" is purple for -Wfloat-= equal whereas for -Winline it is not. My guess is that some warnings happen before code generation (such as -Wflo= at-equal) whereas other warnings happen after code generation (such as -Win= line) and thus are treated differently. I am wondering that is the intentional default on the GCC. It seems rather = arbitrary to use such different formats for warnings. Thanks & best regards, Martin http://www.math.ucsd.edu/~mlicht/