diff options
Diffstat (limited to 'tools/perf')
| -rw-r--r-- | tools/perf/Makefile.config | 10 | ||||
| -rw-r--r-- | tools/perf/Makefile.perf | 6 |
2 files changed, 15 insertions, 1 deletions
diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config index 1783427da9b0..c90f4146e5a2 100644 --- a/tools/perf/Makefile.config +++ b/tools/perf/Makefile.config @@ -483,6 +483,16 @@ ifndef NO_LIBELF ifeq ($(feature-bpf), 1) CFLAGS += -DHAVE_LIBBPF_SUPPORT $(call detected,CONFIG_LIBBPF) + + # detecting libbpf without LIBBPF_DYNAMIC, so make VF=1 shows libbpf detection status + $(call feature_check,libbpf) + ifdef LIBBPF_DYNAMIC + ifeq ($(feature-libbpf), 1) + EXTLIBS += -lbpf + else + dummy := $(error Error: No libbpf devel library found, please install libbpf-devel); + endif + endif endif ifndef NO_DWARF diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf index 1cd294468a1f..eae5d5e95952 100644 --- a/tools/perf/Makefile.perf +++ b/tools/perf/Makefile.perf @@ -116,6 +116,8 @@ include ../scripts/utilities.mak # # Define TCMALLOC to enable tcmalloc heap profiling. # +# Define LIBBPF_DYNAMIC to enable libbpf dynamic linking. +# # As per kernel Makefile, avoid funny character set dependencies unexport LC_ALL @@ -360,7 +362,9 @@ export PERL_PATH PERFLIBS = $(LIBAPI) $(LIBTRACEEVENT) $(LIBSUBCMD) $(LIBPERF) ifndef NO_LIBBPF - PERFLIBS += $(LIBBPF) + ifndef LIBBPF_DYNAMIC + PERFLIBS += $(LIBBPF) + endif endif # We choose to avoid "if .. else if .. else .. endif endif" |