[PATCH 4.1 022/202] perf tools: Add empty Build files for architectures lacking them

[Greg Kroah-Hartman]

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

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

From: Ben Hutchings <ben@xxxxxxxxxxxxxxx>

commit 93df8a1ed6231727c5db94a80b1a6bd5ee67cec3 upstream.

perf currently fails to build on MIPS as there is no
tools/perf/arch/mips/Build file.  Adding an empty file fixes this as
there are no MIPS-specific sources to build.

It looks like the same is needed for Alpha and PA-RISC, though I
haven't been able to test those.

Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
Fixes: 5e8c0fb6a957 ("perf build: Add arch x86 objects building")
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Link: http://lkml.kernel.org/r/1438704627.7315.2.camel@xxxxxxxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 tools/perf/arch/alpha/Build  |    1 +
 tools/perf/arch/mips/Build   |    1 +
 tools/perf/arch/parisc/Build |    1 +
 3 files changed, 3 insertions(+)

--- /dev/null
+++ b/tools/perf/arch/alpha/Build
@@ -0,0 +1 @@
+# empty
--- /dev/null
+++ b/tools/perf/arch/mips/Build
@@ -0,0 +1 @@
+# empty
--- /dev/null
+++ b/tools/perf/arch/parisc/Build
@@ -0,0 +1 @@
+# empty


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