[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: MacOS 64-bit build
From: |
Erlend Aasland |
Subject: |
Re: MacOS 64-bit build |
Date: |
Thu, 9 Jan 2020 12:10:13 +0000 |
(Sorry, 'bout incorrect quote level in previous email!)
E
> On 9 Jan 2020, at 13:00, Erlend Aasland <address@hidden> wrote:
>
>> On 13 Feb 2019, at 20:16, Daniel Johnson <address@hidden> wrote:
>>
>> I am using guile 1.8.8, gcc 7.4.0, and flex 2.6.4. Here's my configure line:
>>
>> On build, I get a long string of errors originating in
>> out/lexer.cc<http://lexer.cc>:
>>
>> out/lexer.cc:6272<http://lexer.cc:6272>:46: error: cannot convert
>> 'std::istream {aka
>> std::basic_istream<char>}' to 'std::istream* {aka std::basic_istream<char>*}'
>> in assignment
>> YY_CURRENT_BUFFER_LVALUE->yy_input_file = yyin;
>
> Use flex 2.5.37, as the flex 2.6.* C++ lexer is broken (discussed on the Bison
> lists): a stream pointer has been changed in the declaration to a reference
> without doing it in the code. Reported some years ago on the flex list.
>
> `configure` should warn or bail on incompatible flex versions. I suggest we
> add a version check in configure.ac to ensure that flex version is between
> 2.5.37 and 2.5.39 (given that 2.5.38 and 2.5.39 actually works).
>
>
>
> Erlend E. Aasland