Toolchain setup for AIX

[DanielD]

Hi all,

I am trying to compile Bazel on AIX 7.2. I have set up the dependencies and I am able to run the compile script, but since the CPU type is not recognized, the installer can't find/configure the C++ toolchain:

bash-4.4# env BAZEL_JAVAC_OPTS="-J-Xms2048m -J-Xmx4096m" bash ./compile.sh
🍃 Building Bazel from scratch......
🍃 Building Bazel with Bazel.
.WARNING: --batch mode is deprecated. Please instead explicitly shut down your Bazel server using the command "bazel shutdown".
ERROR: No toolchain found for cpu 'unknown'. Valid cpus from default_toolchain entries are: [
]. Valid toolchains are: [
stub_armeabi-v7a: --cpu='armeabi-v7a' --compiler='compiler',
local: --cpu='piii' --compiler='compiler',
msys_x64_mingw: --cpu='x64_windows' --compiler='mingw-gcc',
msvc_x64: --cpu='x64_windows' --compiler='msvc-cl',
]
INFO: Elapsed time: 8.356s
INFO: 0 processes.
FAILED: Build did NOT complete successfully (3 packages loaded)

Any idea, how to add a toolchain configuration with which I can compile Bazel? I have GCC installed. "uname -m" reports "00FA1F3C4C00", so for now, I have hardcoded ppc64 in the compile scripts.

Thanks in advance,
Daniel

[Marcel Hlopko]

Hi Daniel,

You'll have to edit https://source.bazel.build/bazel/+/bf316f7ea96059300e9d812244f90c345abf5b4e:src/main/java/com/google/devtools/build/lib/analysis/config/AutoCpuConverter.java to recognize your platform, and then modify the Bazel toolchains to know how to compile C++ on that platform. https://docs.bazel.build/versions/master/crosstool-reference.html will be helpful I think.

Let me know if you hit a roadblock, and feel free to assign pull requests to me.

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[andreas...@broadcom.com]

Hi,

is there any progress on this?

@DanielD: please contact me over one of our company channels. It would be great to talk about how you use bazel. Unfortunately I cannot figure out your contact other than daniel...@broadcom.com

Thanks in advance,
Andreas Burger