From: Wang Nan <[email protected]>

Replace strong binding of FEATURE_TESTS and FEATURE_DISPLAY by weak
binding. This patch enables other makefiles which include
tools/build/Makefile.feature enable only limited feathres to check.

Signed-off-by: Wang Nan <[email protected]>
Acked-by: Jiri Olsa <[email protected]>
Cc: Alexei Starovoitov <[email protected]>
Cc: Brendan Gregg <[email protected]>
Cc: Daniel Borkmann <[email protected]>
Cc: David Ahern <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Masami Hiramatsu <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: [email protected]
Cc: Zefan Li <[email protected]>
Link: 
http://lkml.kernel.org/r/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
---
 tools/build/Makefile.feature | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/build/Makefile.feature b/tools/build/Makefile.feature
index 3a0b0ca2a28c..2975632d51e2 100644
--- a/tools/build/Makefile.feature
+++ b/tools/build/Makefile.feature
@@ -27,7 +27,7 @@ endef
 #   the rule that uses them - an example for that is the 'bionic'
 #   feature check. ]
 #
-FEATURE_TESTS =                        \
+FEATURE_TESTS ?=                       \
        backtrace                       \
        dwarf                           \
        fortify-source                  \
@@ -53,7 +53,7 @@ FEATURE_TESTS =                       \
        zlib                            \
        lzma
 
-FEATURE_DISPLAY =                      \
+FEATURE_DISPLAY ?=                     \
        dwarf                           \
        glibc                           \
        gtk2                            \
-- 
2.1.0

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