[alpha,sh4] Attempt to fix build failures

debian/changelog

@@ -2,6 +2,7 @@ linux-tools (4.4-2) UNRELEASED; urgency=medium
 
   * linux-perf: Include version number in strace groups installation directory
     (Closes: #813080)
+  * [alpha,sh4] Attempt to fix build failures
 
  -- Ben Hutchings <ben@decadent.org.uk>  Thu, 18 Feb 2016 21:46:41 +0000
 

debian/patches/perf-tools-fix-bpf-feature-check.patch

@@ -0,0 +1,21 @@
+From: Ben Hutchings <ben@decadent.org.uk>
+Date: Thu, 18 Feb 2016 22:03:03 +0000
+Subject: perf tools: Fix bpf feature check
+
+Check that the bpf() system call is actually wired up for the target
+architecture using #ifdef __NR_bpf.
+
+Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
+---
+--- a/tools/build/feature/test-bpf.c
++++ b/tools/build/feature/test-bpf.c
+@@ -1,4 +1,9 @@
+ #include <linux/bpf.h>
++#include <asm/unistd.h>
++
++#ifndef __NR_bpf
++#error "bpf system call not wired for this architecture"
++#endif
+ 
+ int main(void)
+ {

debian/patches/revert-perf-tools-x86-build-perf-on-older-user-space.patch

@@ -0,0 +1,57 @@
+From d9ea89d8408f647c05c720bf35a1fba4992dd4a8 Mon Sep 17 00:00:00 2001
+From: Ben Hutchings <ben@decadent.org.uk>
+Date: Thu, 18 Feb 2016 23:37:19 +0000
+Subject: [PATCH] Revert "perf tools, x86: Build perf on older user-space as
+ well"
+
+This reverts commit eae7a755ee81129370c8f555b0d5672e6673735d.
+The empty unistd_{32,64}.h headers prevent building on sh, which also
+now splits its unistd.h this way.
+
+Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
+---
+ tools/perf/perf-sys.h                   | 6 ------
+ tools/perf/util/include/asm/unistd_32.h | 1 -
+ tools/perf/util/include/asm/unistd_64.h | 1 -
+ 3 files changed, 8 deletions(-)
+ delete mode 100644 tools/perf/util/include/asm/unistd_32.h
+ delete mode 100644 tools/perf/util/include/asm/unistd_64.h
+
+diff --git a/tools/perf/perf-sys.h b/tools/perf/perf-sys.h
+index 83a25cef82fd..182a84eb5bd6 100644
+--- a/tools/perf/perf-sys.h
++++ b/tools/perf/perf-sys.h
+@@ -11,9 +11,6 @@
+ #if defined(__i386__)
+ #define cpu_relax()	asm volatile("rep; nop" ::: "memory");
+ #define CPUINFO_PROC	{"model name"}
+-#ifndef __NR_perf_event_open
+-# define __NR_perf_event_open 336
+-#endif
+ #ifndef __NR_futex
+ # define __NR_futex 240
+ #endif
+@@ -25,9 +22,6 @@
+ #if defined(__x86_64__)
+ #define cpu_relax()	asm volatile("rep; nop" ::: "memory");
+ #define CPUINFO_PROC	{"model name"}
+-#ifndef __NR_perf_event_open
+-# define __NR_perf_event_open 298
+-#endif
+ #ifndef __NR_futex
+ # define __NR_futex 202
+ #endif
+diff --git a/tools/perf/util/include/asm/unistd_32.h b/tools/perf/util/include/asm/unistd_32.h
+deleted file mode 100644
+index 8b137891791f..000000000000
+--- a/tools/perf/util/include/asm/unistd_32.h
++++ /dev/null
+@@ -1 +0,0 @@
+-
+diff --git a/tools/perf/util/include/asm/unistd_64.h b/tools/perf/util/include/asm/unistd_64.h
+deleted file mode 100644
+index 8b137891791f..000000000000
+--- a/tools/perf/util/include/asm/unistd_64.h
++++ /dev/null
+@@ -1 +0,0 @@
+-

debian/patches/series

@@ -20,3 +20,5 @@ perf-fix-misleadingly-indented-assignment-whitespace.patch
 perf-add-missing-braces-to-if-statement.patch
 perf-tools-fix-unused-variables-x86_-32-64-_regoffse.patch
 perf-remove-wrong-semicolon-in-while-loop.patch
+revert-perf-tools-x86-build-perf-on-older-user-space.patch
+perf-tools-fix-bpf-feature-check.patch