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-rw-r--r--tools/perf/Makefile.config13
1 files changed, 9 insertions, 4 deletions
diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config
index b3e6ed10f4..aa55850fbc 100644
--- a/tools/perf/Makefile.config
+++ b/tools/perf/Makefile.config
@@ -476,6 +476,11 @@ else
else
CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SUPPORT
endif # dwarf_getlocations
+ ifneq ($(feature-dwarf_getcfi), 1)
+ msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.142);
+ else
+ CFLAGS += -DHAVE_DWARF_CFI_SUPPORT
+ endif # dwarf_getcfi
endif # Dwarf support
endif # libelf support
endif # NO_LIBELF
@@ -680,15 +685,15 @@ ifndef BUILD_BPF_SKEL
endif
ifeq ($(BUILD_BPF_SKEL),1)
- ifeq ($(filter -DHAVE_LIBBPF_SUPPORT, $(CFLAGS)),)
- dummy := $(warning Warning: Disabled BPF skeletons as libbpf is required)
- BUILD_BPF_SKEL := 0
- else ifeq ($(filter -DHAVE_LIBELF_SUPPORT, $(CFLAGS)),)
+ ifeq ($(filter -DHAVE_LIBELF_SUPPORT, $(CFLAGS)),)
dummy := $(warning Warning: Disabled BPF skeletons as libelf is required by bpftool)
BUILD_BPF_SKEL := 0
else ifeq ($(filter -DHAVE_ZLIB_SUPPORT, $(CFLAGS)),)
dummy := $(warning Warning: Disabled BPF skeletons as zlib is required by bpftool)
BUILD_BPF_SKEL := 0
+ else ifeq ($(filter -DHAVE_LIBBPF_SUPPORT, $(CFLAGS)),)
+ dummy := $(warning Warning: Disabled BPF skeletons as libbpf is required)
+ BUILD_BPF_SKEL := 0
else ifeq ($(call get-executable,$(CLANG)),)
dummy := $(warning Warning: Disabled BPF skeletons as clang ($(CLANG)) is missing)
BUILD_BPF_SKEL := 0