On 05/10/17 00:28, Christoph Hellwig wrote: > 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 Agreed, that does it. > 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. > Thanks to both you and Dan for your help. -- ~Randy -- To unsubscribe from this list: send the line "unsubscribe linux-kbuild" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
