On 08/10/2018 10:54 AM, Randy Dunlap wrote: > 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. OK, that patch isn't needed if the line-counting script is modified to accept any number of c_flags with the source file name as the last parameter. Just ignore all of the c_flags. The complete build output will contain lots of lines that are not "interesting," but you can grep that output for lines that begin with numbers and get something like this: 202 ../lib/sha1.c 52 ../lib/show_mem.c 551 ../lib/siphash.c 1054 ../lib/string.c 113 ../lib/timerqueue.c 3203 ../lib/vsprintf.c 99 ../lib/win_minmax.c 1870 ../lib/xarray.c 165 ../arch/x86/boot/a20.c 158 ../arch/x86/boot/cmdline.c 101 ../arch/x86/boot/cpu.c 129 ../arch/x86/boot/cpuflags.c 229 ../arch/x86/boot/cpucheck.c 75 ../arch/x86/boot/compressed/string.c 154 ../arch/x86/boot/early_serial_console.c 182 ../arch/x86/boot/edd.c 182 ../arch/x86/boot/main.c and then add them up. QED. -- ~Randy
