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authorArnaldo Carvalho de Melo <[email protected]>2023-10-11 18:14:52 -0300
committerArnaldo Carvalho de Melo <[email protected]>2023-11-03 12:25:58 -0300
commit851bbccf6b0c152d98ecf0ec83d75fc97aebf43c (patch)
tree105cee1261cb0773b3626609643b824fd7b99f7d
parentc8e3ade38bc6545faece71cc6c642ad744d4cea3 (diff)
perf build: Warn about missing libelf before warning about missing libbpf
As libelf is a requirement for libbpf if it is not available, as in some container build tests where NO_LIBELF=1 is used, then better warn about the most basic library first. Ditto for libz, check its availability before libbpf too. Cc: Adrian Hunter <[email protected]> Cc: Ian Rogers <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Namhyung Kim <[email protected]> Link: https://lore.kernel.org/lkml/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
-rw-r--r--tools/perf/Makefile.config8
1 files changed, 4 insertions, 4 deletions
diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config
index b3e6ed10f40c..8b6cffbc4858 100644
--- a/tools/perf/Makefile.config
+++ b/tools/perf/Makefile.config
@@ -680,15 +680,15 @@ 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