CONDA_BUILD_SYSROOT needs to be explicitly passed

[Thomas Robitaille]

When trying to use conda compilers inside a tox environment on MacOS X I've found that I need to explicitly pass CONDA_BUILD_SYSROOT for things to work:

[testenv:compiler_macos_conda]
whitelist_externals:
    /bin/echo
passenv:
    CONDA_BUILD_SYSROOT
conda_deps:
    clang_osx-64==10
commands:
    /bin/echo "#include<stdio.h>\nint main() {}" > test.c
    clang-10 test.c

If I don't include the passenv clause I get the following error:

test.c:1:9: fatal error: 'stdio.h' file not found
#include<stdio.h>
        ^~~~~~~~~
1 error generated.
ERROR: InvocationError for command /Users/tom/miniconda3/bin/clang-10 test.c (exited with code 1)

Is there a way to make tox-conda pass this through automatically?

[Antoine Dechaume]

@astrofrog
tox-conda 0.8 should address this kind of issues (although not perfectly), you may give it a try.

[Antoine Dechaume]

No update from author: closing.