From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-help-return-64900-listarch-gcc-help=gcc.gnu.org@gcc.gnu.org>
Received: (qmail 84698 invoked by alias); 6 Mar 2020 12:56:11 -0000
Mailing-List: contact gcc-help-help@gcc.gnu.org; run by ezmlm
Precedence: bulk
List-Id: <gcc-help.gcc.gnu.org>
List-Archive: <http://gcc.gnu.org/ml/gcc-help/>
List-Post: <mailto:gcc-help@gcc.gnu.org>
List-Help: <mailto:gcc-help-help@gcc.gnu.org>
Sender: gcc-help-owner@gcc.gnu.org
Received: (qmail 84536 invoked by uid 89); 6 Mar 2020 12:56:10 -0000
Authentication-Results: sourceware.org; auth=none
X-Spam-SWARE-Status: No, score=-1.8 required=5.0 tests=AWL,BAYES_00,FREEMAIL_FROM,KAM_SHORT,RCVD_IN_DNSWL_NONE,SPF_PASS autolearn=ham version=3.3.1 spammy=gengtype-lex.c, UD:gengtype-lex.c, gengtypelexc, guides
X-HELO: mail-wr1-f41.google.com
Received: from mail-wr1-f41.google.com (HELO mail-wr1-f41.google.com) (209.85.221.41) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Fri, 06 Mar 2020 12:56:08 +0000
Received: by mail-wr1-f41.google.com with SMTP id s17so1337994wrs.3        for <gcc-help@gcc.gnu.org>; Fri, 06 Mar 2020 04:56:08 -0800 (PST)
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=LCO8q5LpOx07aoExdMBIQ47eZM06kgpI1LvHEDn3QUM=;        b=CLmmHSnCFPV9cfySYeFErvQFNxa5ouyYZgq0K2hQTlVez/p8FEM1WBgUYeSJWgi7zW         v+YN6fuZ0Wi/SpoGP1sf7c7xHeBVwh+kVGxCbbyYB05eXhPhuHK5AEfe6PC9D8jjDsUt         qNP7IRHMgbft6uk3dkaBSyOBho//Z28+7j/wvdywO+YSWCFiobULYy8sK6mEinh5OQ1c         sODn/CMQNnMPJF0VSU3BXsqMK/2eLD35hVOEcdpjoVmUBQ3seoqQ+oyo1dGUqugHPRWO         tg7WnyuBWExGayvnpnJ69iFjtyfu5kgcat0IHgxOrVI8M38UHF4T6PJDyb5ZH5LQ5F7Z         m9IQ==
MIME-Version: 1.0
References: <5e6238c2.1c69fb81.e2203.5452SMTPIN_ADDED_BROKEN@mx.google.com> <CAH6eHdSz7zviV=VrL30VpA5WMyPHauUY1ffXTgq3CELycv403A@mail.gmail.com> <5e624788.1c69fb81.a0d08.4515SMTPIN_ADDED_BROKEN@mx.google.com>
In-Reply-To: <5e624788.1c69fb81.a0d08.4515SMTPIN_ADDED_BROKEN@mx.google.com>
From: Jonathan Wakely <jwakely.gcc@gmail.com>
Date: Fri, 06 Mar 2020 12:56:00 -0000
Message-ID: <CAH6eHdRaoN_sppSAjSwe+aSVjybSLgBtG9E3nSyuWUYDG=c1AA@mail.gmail.com>
Subject: Re: Re: Install gcc
To: "yilu@bupt.edu.cn" <yilu@bupt.edu.cn>
Cc: gcc-help <gcc-help@gcc.gnu.org>
Content-Type: text/plain; charset="UTF-8"
X-IsSubscribed: yes
X-SW-Source: 2020-03/txt/msg00035.txt

On Fri, 6 Mar 2020 at 12:52, yilu@bupt.edu.cn wrote:
>
> Oh...I'm so sorry. I've read these guides but I miss that I should go into the objdir to configure. Thanks!
> This time I got into the objdir and use:
> `./../gcc/configure --prefix=/usr/local/gcc --enable-languages=all --disable-multilib --disable-bootstrap`
> and I found the Makefile in my objdir directory. I try `make -j4` and found
> g++: error: gengtype-lex.c: No such file or directory
> g++: fatal error: no input files
> Could you help me with this?

See https://gcc.gnu.org/install/prerequisites.html

Flex version 2.5.4 (or later)
Necessary when modifying *.l files.
Necessary to build GCC during development because the generated output
files are not included in the version-controlled source repository.
They are included in releases.