linux-kernel - [PATCH 19/19] perf build: Force llvm/clang test compile output to .make.output

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Date:   Wed,  7 Mar 2018 16:50:20 +0100
From:   Jiri Olsa <jolsa@...nel.org>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:     lkml <linux-kernel@...r.kernel.org>,
        Ingo Molnar <mingo@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        David Ahern <dsahern@...il.com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Peter Zijlstra <a.p.zijlstra@...llo.nl>
Subject: [PATCH 19/19] perf build: Force llvm/clang test compile output to .make.output

So we can see the output of feature compile
in following files:

  tools/build/feature/test-llvm.make.output
  tools/build/feature/test-llvm-version.make.output
  tools/build/feature/test-clang.make.output

Link: http://lkml.kernel.org/n/tip-z270blatcsc718tkv3zpwfx7@git.kernel.org
Signed-off-by: Jiri Olsa <jolsa@...nel.org>
---
 tools/build/feature/Makefile | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/tools/build/feature/Makefile b/tools/build/feature/Makefile
index f8ad640ffe5d..dac9563b5470 100644
--- a/tools/build/feature/Makefile
+++ b/tools/build/feature/Makefile
@@ -260,11 +260,13 @@ $(OUTPUT)test-llvm.bin:
 		-I$(shell $(LLVM_CONFIG) --includedir) 		\
 		-L$(shell $(LLVM_CONFIG) --libdir)		\
 		$(shell $(LLVM_CONFIG) --libs Core BPF)		\
-		$(shell $(LLVM_CONFIG) --system-libs)
+		$(shell $(LLVM_CONFIG) --system-libs)		\
+		> $(@:.bin=.make.output) 2>&1
 
 $(OUTPUT)test-llvm-version.bin:
 	$(BUILDXX) -std=gnu++11 				\
-		-I$(shell $(LLVM_CONFIG) --includedir)
+		-I$(shell $(LLVM_CONFIG) --includedir)		\
+		> $(@:.bin=.make.output) 2>&1
 
 $(OUTPUT)test-clang.bin:
 	$(BUILDXX) -std=gnu++11 				\
@@ -274,7 +276,8 @@ $(OUTPUT)test-clang.bin:
 		  -lclangFrontend -lclangEdit -lclangLex	\
 		  -lclangAST -Wl,--end-group 			\
 		$(shell $(LLVM_CONFIG) --libs Core option)	\
-		$(shell $(LLVM_CONFIG) --system-libs)
+		$(shell $(LLVM_CONFIG) --system-libs)		\
+		> $(@:.bin=.make.output) 2>&1
 
 -include $(OUTPUT)*.d
 
-- 
2.13.6