[cfe-users] Why doesn't clang use colors for diagnostics by default?

[don hinton via cfe-users]

Did you build clang?  Do you have terminfo installed?  I think that's what
it checks.

On Thu, Sep 10, 2015 at 11:49 AM, Victor <d.v.a at ngs.ru> wrote:

> No. Still no luck. Tried both
>
>
> On Thu, 10 Sep 2015 11:39:24 -0400
>  don hinton <hintonda at gmail.com> wrote:
>
>> Hi Victor:
>>
>> Try setting TERM to a color terminal, e.g., xterm-color or xterm-256color
>> and see if that helps.  I use xterm-256color inside tmux and it works
>> fine.
>>
>> hth...
>> don
>>
>> On Thu, Sep 10, 2015 at 2:40 AM, Victor via cfe-users <
>> cfe-users at lists.llvm.org> wrote:
>>
>> I'm using command like this:
>>>
>>> $ clang++ prg.cpp
>>>
>>> My Clang is built from sources. What libraries it needs to use colors
>>> automatically? Or may be there is some option that I can specify for
>>> configure?
>>>
>>>
>>> On Wed, 9 Sep 2015 19:49:21 -0700
>>>  Richard Trieu <rtrieu at google.com> wrote:
>>>
>>> Are you invoking Clang with "clang foo.cc" or "clang -cc1 foo.cc"?  The
>>>> first should detect if you have a color capable terminal and
>>>> automatically
>>>> turn on color diagnostics while the second needs the flag explicitly.
>>>> The
>>>> other possibility is that the Clang you are using was compiled with the
>>>> libraries needed to detect a color terminal, and defaults to no color.
>>>>
>>>> On Mon, Sep 7, 2015 at 5:15 AM, Victor via cfe-users <
>>>> cfe-users at lists.llvm.org> wrote:
>>>>
>>>> Hello, all.
>>>>
>>>>>
>>>>> Why doesn't clang use colors for diagnostics by default?
>>>>> My environment:
>>>>>
>>>>> $ cat /etc/*-release
>>>>> Red Hat Enterprise Linux Server release 6.3 (Santiago)
>>>>>
>>>>> $ echo $TERM
>>>>> xterm
>>>>>
>>>>> Doc here
>>>>> http://clang.llvm.org/docs/UsersManual.html#formatting-of-diagnostics
>>>>> says: "This option, which defaults to on when a color-capable terminal
>>>>> is
>>>>> detected". Isn't xterm "a color-capable terminal"?
>>>>>
>>>>> If I give -fcolor-diagnostics explicitly, all works as expected. But
>>>>> why
>>>>> must I do that? GCC uses colors by default.
>>>>> _______________________________________________
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>>>>>
>>>>>
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>
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