Checking whether a certain CONFIG_* is set
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| # | Subject and files | Size | Replies | Applied |
|---|---|---|---|---|
| 1/2 | pkg-utils: Define KCONFIG_ASSERT_OPT macro | +0 | 0 replies |
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Cover letter [Buildroot] [PATCH v1 0/2] Checking whether a certain CONFIG_* is set
Thomas, All,
On 2015-08-19 21:08 +0200, Thomas Petazzoni spake thusly:
Quoted 1 line · Yann E. MORIN
[--SNIP--]
Quoted 9 lines
Quoted 7 lines
Now, there are two questions:
- will we need to _check_ for any arbitrary kernel option to be set, and offer packages a simple mean to do so?
- will we need to _force_ (on or off) any other kernel option, and offer packages a simple mean to do so?
We already do your second item.
No, we are not allowing any random package to set kernel options.
We do have infra for packages to tweak their *own* options, not those of other packages (and history has proved it was not doable, I should know, I tried and failed miserably with the lzo stuff).
Quoted 7 lines
In general, I'd like to keep the handling of the kernel configuration to be as minimal as possible. Otherwise, we'll quickly enter a situation where we need to enable different kernel options depending on the kernel version. It can quickly become a real nightmare. Buildroot has always been about the user knowing what (s)he is doing, including in terms of making sure that the kernel configuration matches what is done in userspace.
I do fully agree with you on this position. Tweaking the kernel options is a real hornet's nest...
Regards,
Yann E. MORIN.
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