[PATCH v2 0/2] perf: config: add per-feature check flags

[Jean Pihet]

Add CFLAGS and LDFLAGS for each feature to be checked during the
build. This allows to pass particular flags and parameters to the
feature checks compilation.

Use the per-feature check flags for the unwinding feature in order
to correctly compile the libunwind and libunwind-debug-frame feature
checks.

This change set simplifies the flags passing mechanism between the
Makefiles in config/Makefile and config/feature-checks; this
could be farther optimized by moving the compilation flags to the
per-feature check flags for all features to be checked.

Tested on x86_64, ARMv7 and ARMv8 with and without LIBUNWIND_DIR=
set in 'make -C tools/perf'


Jean Pihet (2):
  perf: add per-feature check flags
  perf: unwinding: use the per-feature check flags

 tools/perf/config/Makefile                | 48 +++++++++++++++++--------------
 tools/perf/config/feature-checks/Makefile |  6 ++--
 2 files changed, 29 insertions(+), 25 deletions(-)

-- 
1.7.11.7

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