On 08/10/2018 09:43 AM, Randy Dunlap wrote:
> On 08/10/2018 12:30 AM, Faisal Mehmood wrote:
>> So I compiled a custom minimal Linux Kernel. I want to list all the
>> source files used for this particular .config file. I also want to
>> count the lines of code against that .config file compilation.
>
> Hi,
>
> We have a tradition of not doing people's homework for them. :)
>
>> I tried using 'make > logfile', but that only lists the generated
>> object files. Source files are not listed.
>
> Did you try other build options?
>
> E.g., using "make V=1 ... " will give you verbose output. It might give
> you a list of source files that are compiled. OTOH, it's probably too verbose.
>
> Or did you look at "make C=1 ..." to invoke the "CHECK" tool on each source
> file that is built?
>
> That should be enough of a hint to get you going...
>
>> 'find . -type f -name *.[ch]' includes all the source files, while I
>> only need those that are being used by my .config file.
>
>
> BTW, it would be helpful if one could override "CHECKFLAGS" on the
> 'make' command line.
> As is, CHECKFLAGS is (too) sparse-specific.
Aha, it is c_flags that gets in the way.
CHECKFLAGS= does work to override its value.
So Faisal, I had to use a patch like this and then using CHECK=<some script file>
and CHECKFLAGS= works to count each source file that is built.
---
scripts/Makefile.build | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- linux-next-20180810.orig/scripts/Makefile.build
+++ linux-next-20180810/scripts/Makefile.build
@@ -86,10 +86,10 @@ __build: $(if $(KBUILD_BUILTIN),$(builti
ifneq ($(KBUILD_CHECKSRC),0)
ifeq ($(KBUILD_CHECKSRC),2)
quiet_cmd_force_checksrc = CHECK $<
- cmd_force_checksrc = $(CHECK) $(CHECKFLAGS) $(c_flags) $< ;
+ cmd_force_checksrc = $(CHECK) $(CHECKFLAGS) $< ;
else
quiet_cmd_checksrc = CHECK $<
- cmd_checksrc = $(CHECK) $(CHECKFLAGS) $(c_flags) $< ;
+ cmd_checksrc = $(CHECK) $(CHECKFLAGS) $< ;
endif
endif
--
~Randy
