On Mon, Mar 23, 2020 at 04:58:46PM -0700, Ian Rogers wrote: SNIP > diff --git a/tools/build/feature/Makefile b/tools/build/feature/Makefile > index 7ac0d8088565..573072d32545 100644 > --- a/tools/build/feature/Makefile > +++ b/tools/build/feature/Makefile > @@ -67,7 +67,9 @@ FILES= \ > test-llvm.bin \ > test-llvm-version.bin \ > test-libaio.bin \ > - test-libzstd.bin > + test-libzstd.bin \ > + test-libpfm4.bin > + > > FILES := $(addprefix $(OUTPUT),$(FILES)) > > @@ -321,6 +323,9 @@ $(OUTPUT)test-libaio.bin: > $(OUTPUT)test-libzstd.bin: > $(BUILD) -lzstd > > +$(OUTPUT)test-libpfm4.bin: > + $(BUILD) -lpfm also please move the libpfm4 detection into separated patch thanks, jirka