[PATCH v3 0/3] perf: build: Minor fixes for build failures

[Yang Jihong]

Changes since v2:
 - patch1: change LIBDW_VERSION to follow up the style of
   LIBTRACEEVENT_VERSION. (by Leo's suggestion)
 - patch2: Use a new line for the -ldl dependency and with comment,
   synchronize tools/perf/Makefile.config. (by Leo's suggestion)
 - patch3: include header files in alphabetical order,
   add reviewed-by tag from Leo. (by Leo's suggestion)

Changes since v1:
 - patch3: Remove UTF-8 characters from build failure logs

Yang Jihong (3):
  perf: build: Fix static compilation error when libdw is not installed
  perf: build: Fix build feature-dwarf_getlocations fail for old libdw
  perf dwarf-aux: Fix build fail when HAVE_DWARF_GETLOCATIONS_SUPPORT
    undefined

 tools/build/feature/Makefile | 5 ++++-
 tools/perf/Makefile.config   | 7 +++++--
 tools/perf/util/dwarf-aux.h  | 1 +
 3 files changed, 10 insertions(+), 3 deletions(-)

-- 
2.25.1