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-rw-r--r--tools/perf/Makefile.config17
1 files changed, 14 insertions, 3 deletions
diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config
index 9c5aa14a44cf..0609c19caabd 100644
--- a/tools/perf/Makefile.config
+++ b/tools/perf/Makefile.config
@@ -315,6 +315,9 @@ FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
FEATURE_CHECK_LDFLAGS-libaio = -lrt
+FEATURE_CHECK_LDFLAGS-disassembler-four-args = -lbfd -lopcodes -ldl
+FEATURE_CHECK_LDFLAGS-disassembler-init-styled = -lbfd -lopcodes -ldl
+
CORE_CFLAGS += -fno-omit-frame-pointer
CORE_CFLAGS += -ggdb3
CORE_CFLAGS += -funwind-tables
@@ -344,8 +347,8 @@ ifneq ($(TCMALLOC),)
endif
ifeq ($(FEATURES_DUMP),)
-# We will display at the end of this Makefile.config, using $(call feature_display_entries),
-# as we may retry some feature detection here.
+# We will display at the end of this Makefile.config, using $(call feature_display_entries)
+# As we may retry some feature detection here, see the disassembler-four-args case, for instance
FEATURE_DISPLAY_DEFERRED := 1
include $(srctree)/tools/build/Makefile.feature
else
@@ -680,6 +683,10 @@ ifdef BUILD_BPF_SKEL
CFLAGS += -DHAVE_BPF_SKEL
endif
+ifndef GEN_VMLINUX_H
+ VMLINUX_H=$(src-perf)/util/bpf_skel/vmlinux/vmlinux.h
+endif
+
dwarf-post-unwind := 1
dwarf-post-unwind-text := BUG
@@ -903,9 +910,13 @@ ifdef BUILD_NONDISTRO
ifeq ($(feature-libbfd-liberty), 1)
EXTLIBS += -lbfd -lopcodes -liberty
+ FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -ldl
+ FEATURE_CHECK_LDFLAGS-disassembler-init-styled += -liberty -ldl
else
ifeq ($(feature-libbfd-liberty-z), 1)
EXTLIBS += -lbfd -lopcodes -liberty -lz
+ FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -lz -ldl
+ FEATURE_CHECK_LDFLAGS-disassembler-init-styled += -liberty -lz -ldl
endif
endif
$(call feature_check,disassembler-four-args)
@@ -1329,6 +1340,6 @@ endif
# re-generate FEATURE-DUMP as we may have called feature_check, found out
# extra libraries to add to LDFLAGS of some other test and then redo those
-# tests.
+# tests, see the block about libbfd, disassembler-four-args, for instance.
$(shell rm -f $(FEATURE_DUMP_FILENAME))
$(foreach feat,$(FEATURE_TESTS),$(shell echo "$(call feature_assign,$(feat))" >> $(FEATURE_DUMP_FILENAME)))