[PATCH] sb/setbuilder: Control buildsets using the --with-* command line option

Frank Kühndel frank.kuehndel at embedded-brains.de
Fri May 6 12:41:52 UTC 2022

Hello Chris,

On 5/6/22 00:35, Chris Johns wrote:
> On 5/5/2022 10:48 pm, Frank Kühndel wrote:
>> Hi Chris,
>> On 5/5/22 04:52, chrisj at rtems.org wrote:
>>> From: Chris Johns <chrisj at rtems.org>
>>> - Expand macros in buildset file names
>>> - Add support to buildsets for `%defineifnot`
>>> - Update 6 and 7 to support command line build overrides
>>> Closes #4646
>> Useful feature. Just two comments:
>> 1) There exist other packages. Have these been forgotten or are they
>> irrelevant for this purpose?
>> mips: mipstx39-rtems6-gdb-11.2-x86_64-linux-gnu-1
>> riscv: sis-2.29-x86_64-linux-gnu-1
>> sparc: sis-2.29-x86_64-linux-gnu-1
>> x86_64: grub2-2.06-x86_64-linux-gnu-1
> Not irrelevant, may be forgotten but I would settle on limited time to check all
> possible places, make the changes and test. The pattern to manage this is now
> set so please feel free to post patches with further changes.

I have the same time limits for such task. I just wanted to ensure these
are not accidentally forgotten.

>> 2) Are these new options worth documenting?
> A great question and yes I would love to see this happen.
>> Currently:
>> source-builder/sb-set-builder --help
>> [...]
>> --with-<label>         : Add the --with-<label> to the build
>> --without-<label>      : Add the --without-<label> to the build
>> [...]
> The `--with-*` and `--without-*` is modelled after the configure option. There
> is no means to know in the config scripts where and how they are used so there
> is no simple way to produce relevant help messages. Updating the python based on
> script does not seem wise to me.
>> There at least exist the following (from source-builder/config/checks.cfg):
> Yeah and this is what makes it difficult to link back to the python `--help`.
> The parser is too slow to scan all the sources to build a list when --help is used.
> A file in the `source-builder` directory called `help.ini` (or whatever) could
> hold a list that is checked when a with or without macro is referenced in a
> config file might work. If there is no help present a warning is printed. The
> problem is updating the file when an option is removed from the config scripts?
> Another possible solution is to add something like:
>  %help with-rtems-gcc Set the path to a BSET build configuration for GCC
> And a tool could be written to parse the configs and update the file?

I was thinking of the much simpler solution of just adding a fixed text
either to the output of the --help option or into the RTEMS User Manual
and live with some options not being documented. On the other side, you
have a point in generating the list automatically as there seem to exist
quite a number of such --with-/--without- options.

>> #
>> # Process the command line --with-/--without- options.
>> #
>> %{?with_cxx:%define enable_cxx 1}
>> %{?without_cxx:%define enable_cxx 0}
>> %{?with_ada:%define enable_ada 1}
>> %{?without_ada:%define enable_ada 0}
>> %{?with_fortran:%define enable_fortran 1}
>> %{?without_fortran:%define enable_fortran 0}
>> %{?with_java:%define enable_java 1}
>> %{?without_java:%define enable_java 0}
>> %{?with_objc:%define enable_objc 1}
>> %{?without_objc:%define enable_objc 0}
>> (Note: --with-java does not work. GCC configure does not known language
>> "java". See https://gcc.gnu.org/install/configure.html option
>> --enable-languages)
> Please raise a ticket ... a patch would also be welcome? :)

I created https://devel.rtems.org/ticket/4647

> Chris

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