diff options
| -rw-r--r-- | tools/perf/util/Build | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/tools/perf/util/Build b/tools/perf/util/Build index 504a6bb991ba..cd86a3068eab 100644 --- a/tools/perf/util/Build +++ b/tools/perf/util/Build @@ -221,9 +221,19 @@ $(OUTPUT)util/pmu-bison.c $(OUTPUT)util/pmu-bison.h: util/pmu.y $(Q)$(call echo-cmd,bison)$(BISON) -v $< -d $(PARSER_DEBUG_BISON) \ -o $(OUTPUT)util/pmu-bison.c -p perf_pmu_ -CFLAGS_parse-events-flex.o += -w -CFLAGS_pmu-flex.o += -w -CFLAGS_expr-flex.o += -w +FLEX_GE_26 := $(shell expr $(shell $(FLEX) --version | sed -e 's/flex \([0-9]\+\).\([0-9]\+\)/\1\2/g') \>\= 26) +ifeq ($(FLEX_GE_26),1) + flex_flags := -Wno-switch-enum -Wno-switch-default -Wno-unused-function -Wno-redundant-decls -Wno-sign-compare -Wno-unused-parameter -Wno-missing-prototypes -Wno-missing-declarations + CC_HASNT_MISLEADING_INDENTATION := $(shell echo "int main(void) { return 0 }" | $(CC) -Werror -Wno-misleading-indentation -o /dev/null -xc - 2>&1 | grep -q -- -Wno-misleading-indentation ; echo $$?) + ifeq ($(CC_HASNT_MISLEADING_INDENTATION), 1) + flex_flags += -Wno-misleading-indentation + endif +else + flex_flags := -w +endif +CFLAGS_parse-events-flex.o += $(flex_flags) +CFLAGS_pmu-flex.o += $(flex_flags) +CFLAGS_expr-flex.o += $(flex_flags) CFLAGS_parse-events-bison.o += -DYYENABLE_NLS=0 -w CFLAGS_pmu-bison.o += -DYYENABLE_NLS=0 -DYYLTYPE_IS_TRIVIAL=0 -w CFLAGS_expr-bison.o += -DYYENABLE_NLS=0 -DYYLTYPE_IS_TRIVIAL=0 -w |