[PATCH 6.13 271/623] tools build: Remove the libunwind feature tests from the ones detected when test-all.o builds

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6.13-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>

[ Upstream commit b40fbeb0b1cd72912c41fb18c8b5e4b73ed191c4 ]

We have a tools/build/feature/test-all.c that has the most common set of
features that perf uses and are expected to have its development files
available when building perf.

When we made libwunwind opt-in we forgot to remove them from the list of
features that are assumed to be available when test-all.c builds, remove
them.

Before this patch:

  $ rm -rf /tmp/b ; mkdir /tmp/b ; make -C tools/perf O=/tmp/b feature-dump ; grep feature-libunwind-aarch64= /tmp/b/FEATURE-DUMP
  feature-libunwind-aarch64=1
  $

Even tho this not being test built and those header files being
available:

  $ head -5 tools/build/feature/test-libunwind-aarch64.c
  // SPDX-License-Identifier: GPL-2.0
  #include <libunwind-aarch64.h>
  #include <stdlib.h>

  extern int UNW_OBJ(dwarf_search_unwind_table) (unw_addr_space_t as,
  $

After this patch:

  $ grep feature-libunwind- /tmp/b/FEATURE-DUMP
  $

Now an audit on what is being enabled when test-all.c builds will be
performed.

Fixes: 176c9d1e6a06f2fa ("tools features: Don't check for libunwind devel files by default")
Cc: Adrian Hunter <adrian.hunter@xxxxxxxxx>
Cc: Ian Rogers <irogers@xxxxxxxxxx>
Cc: James Clark <james.clark@xxxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Kan Liang <kan.liang@xxxxxxxxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 tools/build/Makefile.feature | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/tools/build/Makefile.feature b/tools/build/Makefile.feature
index bca47d136f058..8056315431860 100644
--- a/tools/build/Makefile.feature
+++ b/tools/build/Makefile.feature
@@ -89,13 +89,6 @@ FEATURE_TESTS_EXTRA :=                  \
          libbfd-liberty                 \
          libbfd-liberty-z               \
          libopencsd                     \
-         libunwind-x86                  \
-         libunwind-x86_64               \
-         libunwind-arm                  \
-         libunwind-aarch64              \
-         libunwind-debug-frame          \
-         libunwind-debug-frame-arm      \
-         libunwind-debug-frame-aarch64  \
          cxx                            \
          llvm                           \
          clang                          \
-- 
2.39.5







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