On Thu, Jul 14, 2022 at 11:07 AM Sedat Dilek <sedat.dilek@xxxxxxxxx> wrote: > > On Wed, Jul 13, 2022 at 11:32 PM Daniel Bristot de Oliveira > <bristot@xxxxxxxxxx> wrote: > > > > Sedat Dilek reported an error on rtla Makefile when running: > > > > $ make -C tools/ clean > > [...] > > make[2]: Entering directory > > '/home/dileks/src/linux-kernel/git/tools/tracing/rtla' > > [...] > > '/home/dileks/src/linux-kernel/git/Documentation/tools/rtla' > > /bin/sh: 1: test: rtla-make[2]:: unexpected operator <------ The problem > > rm: cannot remove '/home/dileks/src/linux-kernel/git': Is a directory > > make[2]: *** [Makefile:120: clean] Error 1 > > make[2]: Leaving directory > > > > This occurred because the rtla calls kernel's Makefile to get the > > version in silence mode, e.g., > > > > $ make -sC ../../.. kernelversion > > 5.19.0-rc4 > > > > But the -s is being ignored when rtla's makefile is called indirectly, > > so the output looks like this: > > > > $ make -C ../../.. kernelversion > > make: Entering directory '/root/linux' > > 5.19.0-rc4 > > make: Leaving directory '/root/linux' > > > > Using 'grep -v make' avoids this problem, e.g., > > > > $ make -C ../../.. kernelversion | grep -v make > > 5.19.0-rc4 > > > > Thus, add | grep -v make. > > > > Cc: Steven Rostedt <rostedt@xxxxxxxxxxx> > > Fixes: 8619e32825fd ("rtla: Follow kernel version") > > Reported-by: Sedat Dilek <sedat.dilek@xxxxxxxxx> > > Tested-by: Sedat Dilek <sedat.dilek@xxxxxxxxx> > > Signed-off-by: Daniel Bristot de Oliveira <bristot@xxxxxxxxxx> > > --- > > Thanks for v2. > That looks good to me. > > Daniel, you are right that not passing -s to make-line will not show > the grep output. > > Formally and again my... > > Reported-by: Sedat Dilek <sedat.dilek@xxxxxxxxx> > Tested-by: Sedat Dilek <sedat.dilek@xxxxxxxxx> > Addendum: Subject? [PATCH V2] rtla: Fix Makefile when called from -C tools/ ...called from -C tools/ clean? -Sedat- > > > tools/tracing/rtla/Makefile | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > diff --git a/tools/tracing/rtla/Makefile b/tools/tracing/rtla/Makefile > > index 3822f4ea5f49..1bea2d16d4c1 100644 > > --- a/tools/tracing/rtla/Makefile > > +++ b/tools/tracing/rtla/Makefile > > @@ -1,6 +1,6 @@ > > NAME := rtla > > # Follow the kernel version > > -VERSION := $(shell cat VERSION 2> /dev/null || make -sC ../../.. kernelversion) > > +VERSION := $(shell cat VERSION 2> /dev/null || make -sC ../../.. kernelversion | grep -v make) > > > > # From libtracefs: > > # Makefiles suck: This macro sets a default value of $(2) for the > > -- > > 2.32.0 > >