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-rw-r--r--tools/perf/Makefile.config7
1 files changed, 7 insertions, 0 deletions
diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config
index 4884520f954f..a794d9eca93d 100644
--- a/tools/perf/Makefile.config
+++ b/tools/perf/Makefile.config
@@ -216,6 +216,12 @@ ifeq ($(call get-executable,$(BISON)),)
dummy := $(error Error: $(BISON) is missing on this system, please install it)
endif
+ifeq ($(BUILD_BPF_SKEL),1)
+ ifeq ($(call get-executable,$(CLANG)),)
+ dummy := $(error $(CLANG) is missing on this system, please install it to be able to build with BUILD_BPF_SKEL=1)
+ endif
+endif
+
ifneq ($(OUTPUT),)
ifeq ($(shell expr $(shell $(BISON) --version | grep bison | sed -e 's/.\+ \([0-9]\+\).\([0-9]\+\).\([0-9]\+\)/\1\2\3/g') \>\= 371), 1)
BISON_FILE_PREFIX_MAP := --file-prefix-map=$(OUTPUT)=
@@ -921,6 +927,7 @@ ifndef NO_DEMANGLE
EXTLIBS += -lstdc++
CFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT
CXXFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT
+ $(call detected,CONFIG_CXX_DEMANGLE)
endif
ifdef BUILD_NONDISTRO
ifeq ($(filter -liberty,$(EXTLIBS)),)