Gentoo Archives: gentoo-dev

From: Kacper Kowalik <xarthisius@g.o>
To: gentoo-dev@l.g.o
Subject: Re: [gentoo-dev] [RFC] enable verbose build whenever it's possible
Date: Sat, 05 Nov 2011 20:56:26
Message-Id: 4EB5A2BC.7080003@gentoo.org
In Reply to: Re: [gentoo-dev] [RFC] enable verbose build whenever it's possible by Maciej Mrozowski
1 On 11/05/11 21:00, Maciej Mrozowski wrote:
2 > On Saturday 05 of November 2011 09:58:00 Kacper Kowalik wrote:
3 >> Hi,
4 >> I'd like to ask that we enable verbose building by default. I have
5 >> cmake-utils.eclass in mind, because it's dead easy there, but there's a
6 >> lot of packages that support things like "make V=1" or "make VERBOSE=1"
7 >> too.
8 >>
9 >> I've seen too many bugs reports today that gave me cute, colorful
10 >> build.logs and almost no information about underlaying bug...
11 >
12 > That's usually because users sometimes attach only "relevant" parts of build
13 > log (well, relevant according to their taste = last lines, even when they use
14 > parallel compilation).
15 > Any particular example of bug report with entire build log from cmake-utils in
16 > fancy mode, and still being unable to locate the problem?
17 >
18 > I ask, because we're appending summary just after configure phase to make
19 > vorbose logging of whole build process unecessary.
20 Yeah take bug 297699 as an example and relavant snippet:
21
22 Linking CXX executable eqsl
23 [ 22%] CMakeFiles/eqsl.dir/eqsl.cxx.o: In function `callback(char
24 const*)':
25 eqsl.cxx:(.text+0x192a): undefined reference to `Fl::lock()'
26 eqsl.cxx:(.text+0x1ef1): undefined reference to `Fl::unlock()'
27
28 As we don't see actual linking we cannot immediately tell what libraries
29 were linked and rule out/diagnose as-needed issue. As I cannot even
30 reproduce the bug right now I can only rely on clairvoyance to figure
31 what happened there...
32
33 Cheers,
34 Kacper

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