Building inside the spack-stage build directory?

[Jim Galarowicz]

Hi all,

I have a question about how to debug in the spack build environment.    We are having trouble with getting our cbtf-krell build to execute correctly.   We wanted to add some debug lines to the source and do a make ; make install in the build directory, as we usually do when we are building outside of the spack build environment.

We went into the /tmp/spack-stage/spack-stage-IPdP11/cbtf-krell directory and made the source changes.   Then changed directory into the cmake build directory and tried to a do a make.

Scanning dependencies of target collectionTool
[ 98%] Building CXX object core/collectionTool/CMakeFiles/collectionTool.dir/collectionTool.cpp.o
Spack compiler must be run from spack!  Input SPACK_PREFIX was missing!
make[2]: *** [core/collectionTool/CMakeFiles/collectionTool.dir/collectionTool.cpp.o] Error 1
make[1]: *** [core/collectionTool/CMakeFiles/collectionTool.dir/all] Error 2
make: *** [all] Error 2
[jeg@localhost build_cbtf_krell]$


So, we figured out the SPACK_PREFIX needs to be set to the cbtf-krell install directory path and set that.

$ export SPACK_PREFIX=~/new_spack_fork/spack/opt/spack/Linux-x86_64/gcc-4.8.3/cbtf-krell-1.5-ujrctwhgm33taaaprbfaq33jw5xngzgv

[ 98%] Building CXX object core/collectionTool/CMakeFiles/collectionTool.dir/collectionTool.cpp.o
Spack compiler must be run from spack!  Input SPACK_ENV_PATH was missing!
make[2]: *** [core/collectionTool/CMakeFiles/collectionTool.dir/collectionTool.cpp.o] Error 1
make[1]: *** [core/collectionTool/CMakeFiles/collectionTool.dir/all] Error 2
make: *** [all] Error 2
[jeg@localhost build_cbtf_krell]$


We are not sure how or what goes into the SPACK_ENV_PATH?

Are we missing something or isn't there a way to do this that is easier than putting the source changes in a tarball and rebuilding from scratch each time?   Is there a way to set up the build environment and do rebuilds from the staging area?

Thanks,
Jim G

[Todd Gamblin]

Hi Jim,

If you want to get the environment for a particular build, see here:

http://scalability-llnl.github.io/spack/packaging_guide.html#spack-env

So, for example:

spack env <spec> bash

If you have the shell support enabled, you can do this:

spack stage openspeedshop # fetch and expand tarball (or check out repo)

spack cd openspeedshop # cd to stage directory

# start bash with oss build environment

spack env openspeedshop bash

Based on conversations with Mark Miller, we're debating just combining all three of those commands into "spack shell" or something similar.

-Todd

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[Jim Galarowicz]

Thanks Todd!

spack env cbtf-krell bash

did the trick.  I was able to build from the staging directory!

Yeah!

Jim G

[Tom Barron]

Hi, Todd,

The link you provide in this message no longer appears to point anything. Where would I find this document now?

Thanks...

Tom

[Todd Gamblin]

Hi Tom,

Sorry, that link should be:

http://llnl.github.io/spack/packaging_guide.html#spack-env

-Todd

From: <sp...@googlegroups.com> on behalf of Tom Barron <tusc...@gmail.com>
Date: Tuesday, February 2, 2016 at 2:21 PM
To: Spack <sp...@googlegroups.com>
Cc: "j...@krellinst.org" <j...@krellinst.org>, "d...@krellinst.org" <d...@krellinst.org>
Subject: Re: [spack] Building inside the spack-stage build directory?

Hi, Todd,

The link you provide in this message no longer appears to point anything. Where would I find this document now?

Thanks...

Tom

On Friday, July 17, 2015 at 1:25:17 PM UTC-4, Todd Gamblin wrote:

Hi Jim,

If you want to get the environment for a particular build, see here:

http://scalability-llnl.github.io/spack/packaging_guide.html#spack-env

So, for example:

spack env <spec> bash

If you have the shell support enabled, you can do this:

spack stage openspeedshop# fetch and expand tarball (or check out repo)

spack cd openspeedshop# cd to stage directory

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