If you rerun
cmake --build './build' --target install -- -j "$(nproc)"
only those files affected by your source code change will be recompiled. In
my experience that brings it down to a few seconds, even on a 2 core
machine.
Just two thoughts about the isolation issue: Maybe consider setting
LD_LIBRARY_PATH as well to reduce your chances of accidentially mixing up
the *.so's with your productive version. I don't know for sure how loading
of the *.cl kernels is handled but that might be another thing to
double-check. Just to be shure. (Personally I use a dedicated VM for
development, so take my suggestens as ideas, not as tested procedure.)
On Thu, May 2, 2019 at 1:03 PM <dt-l...@stefan-klinger.de> wrote:
> Hi,
>
> for testing I'd like to run DT without installing it, and without
> interfering with my setup and foto collection. Installing to an
> alternative destination would be ok, but I'd rather just recompile and
> run it.
>
> What is needed to achieve this? Currently I have
>
> tmp="/tmp";
>
> # copy some images
> tmpImages="${tmp}/dt-images";
> test -e "${tmpImages}" || rsync -av "${HOME}/foto/20190428-002"
> "${tmpImages}"
>
> # copy some config
> tmpCfg="${tmp}/dt-config"
> rsync -av --exclude='*.db' "${HOME}/.config/darktable/" "${tmpCfg}"
>
> # is this necessary?
> tmpCache="${tmp}/dt-cache"
> mkdir -p "${tmpCache}"
>
> # temporary install location
> prefix="${tmp}/dt-install"
>
> # building
> disable=(flickr libsecret kwallet unity tethering);
> ./build.sh -j "$(nproc)" \
> --prefix ${prefix} \
> "${disable[@]/#/--disable-}" \
> --buildtype Release
>
> # installing
> cmake --build './build' --target install -- -j "$(nproc)"
>
> # running
> "${prefix}/bin/darktable" --configdir "${tmpCfg}" --cachedir
> "${tmpCache}" \
>
> Is this enough to isolate DT from a "production" version and
> configuration?
>
> Is there a way to achieve faster (re)compilation, and maybe running
> from the source tree without installing at all?
>
> Thanks
> Stefan
>
>
> --
> http://stefan-klinger.de o/X
> I prefer receiving plain text messages, not exceeding 32kB. /\/
> \
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