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For both libastra and astra-toolbox:
1) We do not use script_env to set CC/CXX anymore, since the compilers
are installed by conda.
2) The build string is made useful by including either the python+numpy
version or the cudatoolkit version that the package was built with.
3) Some clean-up of build.sh in buildenv/
For libastra:
1) The libastra.so is built with the conda C/C++ compiler
toolchain. This has two benefits:
1) The rpath of libastra.so is set to $ORIGIN, which makes linking
easier for dependent packages.
2) libastra.so is linkable against ancient versions of glibc. With
old versions of memcpy.
2) The C/C++ compiler version is fixed to 5.4.0
3) In libastra/build.sh, we rename $CONDA_PREFIX to
$PREFIX. Apparently, this is how it is supposed to be done. For me,
$CONDA_PREFIX was suddenly undefined. Why this was not a problem
before, is unclear to me.
4) The cudatoolkit runtime dependency is pinned with pin_compatible
5) The libastra conda package now provides headers and .pc file. This
is useful for building C++ packages that depend on astra.
6) Remove some old code related to cudatoolkit<8.0.
For astra-toolbox:
1) astra-toolbox uses the conda-provided compilers
2) The compilers are fixed to version 7.3
3) Add boost to host requirements of astra-toolbox
Notes on testing:
- The libastra build has been tested with all versions of cudatoolkit
- The astra-toolbox build has been tested with all provided versions
of python after building a single cudatoolkit version of libastra.
How to test this branch:
- It should work by just editing
`python/conda/linux_release/buildenv/build.sh`. Set
BRANCH=CI-use-conda-c-compiler-toolchain
URL=https://github.com/ahendriksen/astra-toolbox
and run release.sh from the `python/conda/linux_release` directory.
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Debian 7 is EOL, and CUDA 10.1 doesn't support its version of glibc.
Hardcoded conda=4.6.14 for now, since 4.7.5 seems to be downloading
corrupted packages when running in docker/linux-64.
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Also upgrade the Docker-based linux release scripts to match.
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macOS CUDA uses lib even on 64 bit
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It's in /usr/bin/ on macOS.
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- make builder (= advanced user or us ourselves) choose compilers
and CUDA
- add a check for the C++11 flag for nvcc to work around the
infamous boost bug if necessary
- use conda boost to build the C++ library
- simplify python bindings conda recipe to only build the bindings;
the C++ library is now a build and runtime dependency
- add runtime dependencies to python bindings recipe
- some small adjustments to builder.py
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