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[src/trunk]: src/sys/conf sys/conf/lint.mk: a small step for linting the kernel



details:   https://anonhg.NetBSD.org/src/rev/2e01a3c17e1e
branches:  trunk
changeset: 983084:2e01a3c17e1e
user:      rillig <rillig%NetBSD.org@localhost>
date:      Sun May 02 19:29:30 2021 +0000

description:
sys/conf/lint.mk: a small step for linting the kernel

Due to the missing path, the following commands had failed:

        $ cd src/sys/arch/amd64/compile/GENERIC
        $ nbmake-amd64-lint kern_exec.ln
        nbmake: don't know how to make kern/kern_exec.c. Stop

After fixing the path, "make kern_exec.ln" fails with:

        sys/kern/kern_exec.c(65): error: syntax error '"' [249]

The affected line contains:

        __KERNEL_RCSID(0, "...");

The macro __KERNEL_RCSID expands to __asm("some strings").  Since
KERNLINTFLAGS is missing the -g, lint does not recognize __asm as
keyword and tries to parse it as an identifier instead, expecting a
variable or function declaration.

diffstat:

 sys/conf/lint.mk |  3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diffs (16 lines):

diff -r d547d186dfdf -r 2e01a3c17e1e sys/conf/lint.mk
--- a/sys/conf/lint.mk  Sun May 02 19:13:43 2021 +0000
+++ b/sys/conf/lint.mk  Sun May 02 19:29:30 2021 +0000
@@ -1,10 +1,11 @@
-# $NetBSD: lint.mk,v 1.1 2015/08/29 16:27:07 uebayasi Exp $
+# $NetBSD: lint.mk,v 1.2 2021/05/02 19:29:30 rillig Exp $
 
 ##
 ## lint
 ##
 
 .if !target(lint)
+.PATH: $S
 ALLSFILES?=    ${MD_SFILES} ${SFILES}
 LINTSTUBS?=    ${ALLSFILES:T:R:C/^.*$/LintStub_&.c/g}
 KERNLINTFLAGS?=        -bcehnxzFS



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