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SubjectRe: [PATCH v3] docs: Use make invocation's -j argument for parallelism
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On 25.09.19 01:29, Kees Cook wrote:
> While sphinx 1.7 and later supports "-jauto" for parallelism, this
> effectively ignores the "-j" flag used in the "make" invocation, which
> may cause confusion for build systems. Instead, extract the available
> parallelism from "make"'s job server (since it is not exposed in any
> special variables) and use that for the "sphinx-build" run. Now things
> work correctly for builds where -j is specified at the top-level:
>
> make -j16 htmldocs
>
> If -j is not specified, continue to fallback to "-jauto" if available.
>
> Signed-off-by: Kees Cook <keescook@chromium.org>
> ---
> v3: python2, specific exceptions, correct SPDX, blocking writer
> v2: retain "-jauto" default behavior with top-level -j is missing.
[...]
> diff --git a/scripts/jobserver-count b/scripts/jobserver-count
> new file mode 100755
> index 000000000000..0b482d6884d2
> --- /dev/null
> +++ b/scripts/jobserver-count
> @@ -0,0 +1,58 @@
> +#!/usr/bin/env python


This breaks our daily linux-next build for an fedora 30 rpm on s390x:

+ /usr/lib/rpm/redhat/brp-mangle-shebangs
mangling shebang in /usr/src/kernels/5.4.0-20191004.rc1.git155.311ef88adfa3.301.fc30.s390x+next/scripts/profile2linkerlist.pl from /usr/bin/env perl to #!/usr/bin/perl
mangling shebang in /usr/src/kernels/5.4.0-20191004.rc1.git155.311ef88adfa3.301.fc30.s390x+next/scripts/headerdep.pl from /usr/bin/env perl to #!/usr/bin/perl
mangling shebang in /usr/src/kernels/5.4.0-20191004.rc1.git155.311ef88adfa3.301.fc30.s390x+next/scripts/package/buildtar from /bin/sh to #!/usr/bin/sh
mangling shebang in /usr/src/kernels/5.4.0-20191004.rc1.git155.311ef88adfa3.301.fc30.s390x+next/scripts/package/builddeb from /bin/sh to #!/usr/bin/sh
mangling shebang in /usr/src/kernels/5.4.0-20191004.rc1.git155.311ef88adfa3.301.fc30.s390x+next/scripts/package/mkspec from /bin/sh to #!/usr/bin/sh
mangling shebang in /usr/src/kernels/5.4.0-20191004.rc1.git155.311ef88adfa3.301.fc30.s390x+next/scripts/package/mkdebian from /bin/sh to #!/usr/bin/sh
mangling shebang in /usr/src/kernels/5.4.0-20191004.rc1.git155.311ef88adfa3.301.fc30.s390x+next/scripts/checksyscalls.sh from /bin/sh to #!/usr/bin/sh
mangling shebang in /usr/src/kernels/5.4.0-20191004.rc1.git155.311ef88adfa3.301.fc30.s390x+next/scripts/gen_ksymdeps.sh from /bin/sh to #!/usr/bin/sh
mangling shebang in /usr/src/kernels/5.4.0-20191004.rc1.git155.311ef88adfa3.301.fc30.s390x+next/scripts/makelst from /bin/sh to #!/usr/bin/sh
mangling shebang in /usr/src/kernels/5.4.0-20191004.rc1.git155.311ef88adfa3.301.fc30.s390x+next/scripts/checkversion.pl from /usr/bin/env perl to #!/usr/bin/perl
mangling shebang in /usr/src/kernels/5.4.0-20191004.rc1.git155.311ef88adfa3.301.fc30.s390x+next/scripts/gcc-plugin.sh from /bin/sh to #!/usr/bin/sh
mangling shebang in /usr/src/kernels/5.4.0-20191004.rc1.git155.311ef88adfa3.301.fc30.s390x+next/scripts/gfp-translate from /bin/bash to #!/usr/bin/bash
mangling shebang in /usr/src/kernels/5.4.0-20191004.rc1.git155.311ef88adfa3.301.fc30.s390x+next/scripts/tags.sh from /bin/bash to #!/usr/bin/bash
*** ERROR: ambiguous python shebang in /usr/src/kernels/5.4.0-20191004.rc1.git155.311ef88adfa3.301.fc30.s390x+next/scripts/jobserver-count: #!/usr/bin/env python. Change it to python3 (or python2) explicitly.
mangling shebang in /usr/src/kernels/5.4.0-20191004.rc1.git155.311ef88adfa3.301.fc30.s390x+next/scripts/adjust_autoksyms.sh from /bin/sh to #!/usr/bin/sh
mangling shebang in /usr/src/kernels/5.4.0-20191004.rc1.git155.311ef88adfa3.301.fc30.s390x+next/scripts/kernel-doc from /usr/bin/env perl to #!/usr/bin/perl
[...]


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