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unnecessary build of obj/bootstrap.o?

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Kevin Hunter

unnecessary build of obj/bootstrap.o?

Hullo List,

In tracking down another issue, I've run across a number of object files
that we appear to build but not use. Example:

g++ -o sal/unxlngx6/obj/bootstrap.o [...]

A few lines later in the build, we build this, with a few extra g++
arguments. This is the version that actually gets used elsewhere in the
build:

g++ -o sal/unxlngx6/slo/bootstrap.o [...] \
-fpic \
-DSHAREDLIB \
-D_DLL_

Question: what's the point of building the first one (if any)?

If it's not supposed to be built, I'll leave "fixing" the build system
to some other interested party as I'm not particularly keen on diving in
when I'm thick into another problem. For reference, based on my
build.log and the attached (inefficient) shell script, I believe this
list of 112 object files are all good _candidates_ for the "built but
unused" category

Thanks,

Kevin

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unused_object_files.txt (6K) Download Attachment

Matúš Kukan

Re: unnecessary build of obj/bootstrap.o?

Hi Kevin,

On 29 August 2011 17:12, Kevin Hunter <[hidden email]> wrote:

> Hullo List,
>
> In tracking down another issue, I've run across a number of object files
> that we appear to build but not use. Example:
>
> g++ -o sal/unxlngx6/obj/bootstrap.o [...]
>
> A few lines later in the build, we build this, with a few extra g++
> arguments. This is the version that actually gets used elsewhere in the
> build:
>
> g++ -o sal/unxlngx6/slo/bootstrap.o [...] \
> -fpic \
> -DSHAREDLIB \
> -D_DLL_
>
> Question: what's the point of building the first one (if any)?
>
> If it's not supposed to be built, I'll leave "fixing" the build system to
> some other interested party as I'm not particularly keen on diving in when
> I'm thick into another problem. For reference, based on my build.log and
> the attached (inefficient) shell script, I believe this list of 112 object
> files are all good _candidates_ for the "built but unused" category
>

sal and also desktop are going to be gbuildized soon, so no more
objects compiled more then once ( as long as there is no error in
gbuild ).
About soltools, I'm not sure there is somebody who wants to play with
that, probably just few seconds added to building of LibreOffice.

Anyway, thanks for research,

Matúš
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Stephan Bergmann

Re: unnecessary build of obj/bootstrap.o?

In reply to this post by Kevin Hunter

On Aug 29, 2011, at 5:12 PM, Kevin Hunter wrote:

> In tracking down another issue, I've run across a number of object files that we appear to build but not use. Example:
>
> g++ -o sal/unxlngx6/obj/bootstrap.o [...]
>
> A few lines later in the build, we build this, with a few extra g++ arguments. This is the version that actually gets used elsewhere in the build:
>
> g++ -o sal/unxlngx6/slo/bootstrap.o [...] \
> -fpic \
> -DSHAREDLIB \
> -D_DLL_
>
> Question: what's the point of building the first one (if any)?

Those files are built once to be included in a static library (via OBJFILES) and once to be included in a dynamic library (via SLOFILES). The static library was used to build some build-time tools, IIRC, but appears to be no longer needed.

-Stephan
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