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Message-ID: <20251003012349.2396685-2-irogers@google.com>
Date: Thu,  2 Oct 2025 18:23:49 -0700
From: Ian Rogers <irogers@...gle.com>
To: Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...hat.com>, 
	Arnaldo Carvalho de Melo <acme@...nel.org>, Namhyung Kim <namhyung@...nel.org>, 
	Mark Rutland <mark.rutland@....com>, 
	Alexander Shishkin <alexander.shishkin@...ux.intel.com>, Jiri Olsa <jolsa@...nel.org>, 
	Ian Rogers <irogers@...gle.com>, Adrian Hunter <adrian.hunter@...el.com>, 
	Blake Jones <blakejones@...gle.com>, linux-kernel@...r.kernel.org, 
	linux-perf-users@...r.kernel.org, bpf@...r.kernel.org
Subject: [PATCH v1 2/2] tools build: Remove libbpf-strings feature test

The feature test is unnecessary as the LIBBPF_CURRENT_VERSION_GEQ(1,7)
macro can be used instead. The only use was in perf and this is now
removed.

Signed-off-by: Ian Rogers <irogers@...gle.com>
---
 tools/build/Makefile.feature              |  1 -
 tools/build/feature/Makefile              |  4 ----
 tools/build/feature/test-libbpf-strings.c | 10 ----------
 3 files changed, 15 deletions(-)
 delete mode 100644 tools/build/feature/test-libbpf-strings.c

diff --git a/tools/build/Makefile.feature b/tools/build/Makefile.feature
index 9399f591bd69..f9477df18841 100644
--- a/tools/build/Makefile.feature
+++ b/tools/build/Makefile.feature
@@ -124,7 +124,6 @@ FEATURE_TESTS_EXTRA :=                  \
          llvm                           \
          clang                          \
          libbpf                         \
-         libbpf-strings                 \
          libpfm4                        \
          libdebuginfod			\
          clang-bpf-co-re		\
diff --git a/tools/build/feature/Makefile b/tools/build/feature/Makefile
index d13d2a1f44fe..fd304dc2aafd 100644
--- a/tools/build/feature/Makefile
+++ b/tools/build/feature/Makefile
@@ -57,7 +57,6 @@ FILES=                                          \
          test-lzma.bin                          \
          test-bpf.bin                           \
          test-libbpf.bin                        \
-         test-libbpf-strings.bin                \
          test-get_cpuid.bin                     \
          test-sdt.bin                           \
          test-cxx.bin                           \
@@ -332,9 +331,6 @@ $(OUTPUT)test-bpf.bin:
 $(OUTPUT)test-libbpf.bin:
 	$(BUILD) -lbpf
 
-$(OUTPUT)test-libbpf-strings.bin:
-	$(BUILD)
-
 $(OUTPUT)test-sdt.bin:
 	$(BUILD)
 
diff --git a/tools/build/feature/test-libbpf-strings.c b/tools/build/feature/test-libbpf-strings.c
deleted file mode 100644
index 83e6c45f5c85..000000000000
--- a/tools/build/feature/test-libbpf-strings.c
+++ /dev/null
@@ -1,10 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-#include <bpf/btf.h>
-
-int main(void)
-{
-	struct btf_dump_type_data_opts opts;
-
-	opts.emit_strings = 0;
-	return opts.emit_strings;
-}
-- 
2.51.0.618.g983fd99d29-goog


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