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Groups > linux.kernel > #1638604
| From | Christoph Hellwig <hch@infradead.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: sparse on scripts/kconfig/*.c |
| Date | 2017-05-10 09:30 +0200 |
| Message-ID | <tFuel-6dd-1@gated-at.bofh.it> (permalink) |
| References | <tFguJ-4li-3@gated-at.bofh.it> <tFjLX-6Gn-5@gated-at.bofh.it> <tFnFU-MR-5@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Tue, May 09, 2017 at 05:27:01PM -0700, Randy Dunlap wrote: > On 05/09/17 13:17, Christoph Hellwig wrote: > > On Tue, May 09, 2017 at 09:47:41AM -0700, Randy Dunlap wrote: > >> Hi, > >> > >> I've been attempting to run sparse on the kconfig/ C files -- without success. > >> > >> The kbuild files don't try to support CHECK in scripts/kconfig/ AFAICT, > >> and just running sparse on the C files has issues with not being able to > >> find header files. > >> > >> Has anyone done this? Any clues about how to do it? > > > > As a wild guess from using sparse on various userspace projects: > > > > have you tried simply setting HOSTCC to cgcc? > > I don't quite see what that has to do with running sparse ($CHECK, not $HOSTCC). cgcc is a gcc wrappr that calls sparse. I just trie quickly to patch Makefile to run cgcc instead of gcc as HOSTCC an it seems to work: HOSTCC scripts/basic/fixdep scripts/basic/fixdep.c:117:5: warning: symbol 'insert_extra_deps' was not declared. Should it be static? scripts/basic/fixdep.c:118:6: warning: symbol 'target' was not declared. Should it be static? scripts/basic/fixdep.c:119:6: warning: symbol 'depfile' was not declared. Should it be static? scripts/basic/fixdep.c:120:6: warning: symbol 'cmdline' was not declared. Should it be static? But then I run into the known cgcc bug that it also calls sparse when called for linking. Which reminds me that I need to go back and fix that.
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sparse on scripts/kconfig/*.c Randy Dunlap <rdunlap@infradead.org> - 2017-05-09 18:50 +0200
Re: sparse on scripts/kconfig/*.c Christoph Hellwig <hch@infradead.org> - 2017-05-09 22:20 +0200
Re: sparse on scripts/kconfig/*.c Randy Dunlap <rdunlap@infradead.org> - 2017-05-10 02:30 +0200
Re: sparse on scripts/kconfig/*.c Christoph Hellwig <hch@infradead.org> - 2017-05-10 09:30 +0200
Re: sparse on scripts/kconfig/*.c Randy Dunlap <rdunlap@infradead.org> - 2017-05-10 18:50 +0200
Re: sparse on scripts/kconfig/*.c Dan Carpenter <dan.carpenter@oracle.com> - 2017-05-10 12:20 +0200
Re: sparse on scripts/kconfig/*.c Dan Carpenter <dan.carpenter@oracle.com> - 2017-05-10 23:00 +0200
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