[PATCH v2 01/17] perf build: Remove libtracefs configuration

Ian Rogers
2025-01-22T06:23:54Z

libtracefs isn't used by perf but not having it installed causes build
warnings. Given the library isn't used, there is no need for the
configuration or warnings so remove.

Signed-off-by: Ian Rogers <irogers@google.com>
---
tools/perf/Makefile.config | 14 --------------
1 file changed, 14 deletions(-)

diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config
index a148ca9efca9..cd773fbbc176 100644
--- a/tools/perf/Makefile.config
+++ b/tools/perf/Makefile.config
@@ -1174,20 +1174,6 @@ ifneq ($(NO_LIBTRACEEVENT),1)
else
$(error ERROR: libtraceevent is missing. Please install libtraceevent-dev/libtraceevent-devel and/or set LIBTRACEEVENT_DIR or build with NO_LIBTRACEEVENT=1)
endif
-
- ifeq ($(feature-libtracefs), 1)
- CFLAGS += $(shell $(PKG_CONFIG) --cflags libtracefs)
- LDFLAGS += $(shell $(PKG_CONFIG) --libs-only-L libtracefs)
- EXTLIBS += $(shell $(PKG_CONFIG) --libs-only-l libtracefs)
- LIBTRACEFS_VERSION := $(shell $(PKG_CONFIG) --modversion libtracefs).0.0
- LIBTRACEFS_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEFS_VERSION)))
- LIBTRACEFS_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEFS_VERSION)))
- LIBTRACEFS_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEFS_VERSION)))
- LIBTRACEFS_VERSION_CPP := $(shell expr $(LIBTRACEFS_VERSION_1) \* 255 \* 255 + $(LIBTRACEFS_VERSION_2) \* 255 + $(LIBTRACEFS_VERSION_3))
- CFLAGS += -DLIBTRACEFS_VERSION=$(LIBTRACEFS_VERSION_CPP)
- else
- $(warning libtracefs is missing. Please install libtracefs-dev/libtracefs-devel)
- endif
endif

# Among the variables below, these: