please open a trac ticket and we will discuss there. better than a mailing list.

> On 14 Jan 2022, at 11:55 am, Steven Smith <steve.t.sm...@gmail.com> wrote:
> 
> Chris, Thanks, and concur on the wonderfulness of bazel.
> 
> To be clear, I am not building bazel-3.7 here. I am building 
> py38-tensorflow-metadata, which uses bazel-3.7. I’ve attached the log file. 
> It was produced with a build (please see attached Portfile) that adds 
> `bazel.build_opts-append --sandbox_debug`, not that I see that helping a 
> diagnosis.
> 
> FWIW, I looked in the binary /opt/local/libexec/bazel-3.7/bin/bazel for the 
> string “_opt_bblocal_var_buildworker_ports_build_ports_devel_bazel” but it’s 
> not there, at least not in plain text. I have no idea how this path is being 
> introduced at the build stage. 
> 
> 
> Attachments:
> <main.log.xz>
> <Portfile>
> 
> 
> 
>> On Jan 14, 2022, at 2:52 AM, Christopher Jones <jon...@hep.phy.cam.ac.uk 
>> <mailto:jon...@hep.phy.cam.ac.uk>> wrote:
>> 
>> 
>>> On 14 Jan 2022, at 3:14 am, Steven Smith <steve.t.sm...@gmail.com 
>>> <mailto:steve.t.sm...@gmail.com>> wrote:
>>> 
>>> I’m trying to build/update py-tensforflow-metadat and am hitting this 
>>> (bizarre) bazel issue.
>>> 
>>> First, the build fails with the error:
>>> 
>>>> :info:build Execution platform: @local_config_platform//:host
>>>> :info:build Use --sandbox_debug to see verbose messages from the sandbox
>>>> :info:build xcrun: error: can't exec 
>>>> '/opt/local/var/macports/build/_opt_bblocal_var_buildworker_ports_build_ports_devel_bazel/bazel-3.7/work/bazelwrap/cc'
>>>>  (errno=No such file or directory)
>>> 
>>> 
>>> Weird that bazel wants to look in a MacPorts build directory.
>>> 
>>> Searching for this string in ${worksrcpath}, it appears in the file created 
>>> during the build stage:
>>> 
>>> ${worksrcpath}/bazel_build/install/<hash>/embedded_tools/tools/osx/crosstool/wrapped_clang.cc
>>>  <http://wrapped_clang.cc/>:
>>> 
>>>>   if (binary_name == "wrapped_clang_pp") {
>>>>     tool_name = 
>>>> "/opt/local/var/macports/build/_opt_bblocal_var_buildworker_ports_build_ports_devel_bazel/bazel-3.7/work/bazelwrap/cxx";
>>>>   } else if (binary_name == "wrapped_clang") {
>>>>     tool_name = 
>>>> "/opt/local/var/macports/build/_opt_bblocal_var_buildworker_ports_build_ports_devel_bazel/bazel-3.7/work/bazelwrap/cc";
>>> 
>>> This is not the file from 
>>> https://github.com/bazelbuild/bazel/blob/master/tools/osx/crosstool/wrapped_clang.cc
>>>  
>>> <https://github.com/bazelbuild/bazel/blob/master/tools/osx/crosstool/wrapped_clang.cc>
>>> 
>>> I’m stumped. Does anyone have insight on what’s causing this weird bazel 
>>> build issue?
>>> 
>> 
>> The above is intentional, and performed by the bazel build to (attempt) to 
>> work around issues with the bazel build on older systems, which is 
>> spectacularly difficult to work with . Specifically see
>> 
>> https://github.com/macports/macports-ports/blob/6569ac3bcc84a00f72513d0f8ceebb6b6cec1576/devel/bazel/Portfile#L259
>>  
>> <https://github.com/macports/macports-ports/blob/6569ac3bcc84a00f72513d0f8ceebb6b6cec1576/devel/bazel/Portfile#L259>
>> 
>> why you see the above I cannot say. Please also post a complete log, not 
>> just snippets like above.
>> 
>> is there a specific reason you are building bazel-3.7 from source ? binary 
>> tarballs are availing for 10.11 and newer
>> 
>> https://ports.macports.org/port/bazel-3.7/details/ 
>> <https://ports.macports.org/port/bazel-3.7/details/>
>> 
>> Chris
>> 
>> 
> 

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