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perf build: Remove libtracefs configuration

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>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20250929170600.59000-1-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

authored by

Ian Rogers and committed by
Arnaldo Carvalho de Melo b19a0f61 d18020cf

-14
-14
tools/perf/Makefile.config
··· 1175 1175 else 1176 1176 $(error ERROR: libtraceevent is missing. Please install libtraceevent-dev/libtraceevent-devel and/or set LIBTRACEEVENT_DIR or build with NO_LIBTRACEEVENT=1) 1177 1177 endif 1178 - 1179 - ifeq ($(feature-libtracefs), 1) 1180 - CFLAGS += $(shell $(PKG_CONFIG) --cflags libtracefs) 1181 - LDFLAGS += $(shell $(PKG_CONFIG) --libs-only-L libtracefs) 1182 - EXTLIBS += $(shell $(PKG_CONFIG) --libs-only-l libtracefs) 1183 - LIBTRACEFS_VERSION := $(shell $(PKG_CONFIG) --modversion libtracefs).0.0 1184 - LIBTRACEFS_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEFS_VERSION))) 1185 - LIBTRACEFS_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEFS_VERSION))) 1186 - LIBTRACEFS_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEFS_VERSION))) 1187 - LIBTRACEFS_VERSION_CPP := $(shell expr $(LIBTRACEFS_VERSION_1) \* 255 \* 255 + $(LIBTRACEFS_VERSION_2) \* 255 + $(LIBTRACEFS_VERSION_3)) 1188 - CFLAGS += -DLIBTRACEFS_VERSION=$(LIBTRACEFS_VERSION_CPP) 1189 - else 1190 - $(warning libtracefs is missing. Please install libtracefs-dev/libtracefs-devel) 1191 - endif 1192 1178 endif 1193 1179 1194 1180 # Among the variables below, these: