gperftools: fix do_compile failure for qemuppc

Fix the following error for qemuppc.

  error: 'siginfo_t' does not name a type

Signed-off-by: Chen Qi <Qi.Chen@windriver.com>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>

meta-oe/recipes-support/gperftools/gperftools/0001-Fix-build-failure-for-ppc.patch

@@ -0,0 +1,28 @@
+Subject: Fix build failure for ppc
+
+Upstream-Status: Pending
+
+Fix the following build failure.
+
+  error: 'siginfo_t' does not name a type
+
+Signed-off-by: Chen Qi <Qi.Chen@windriver.com>
+---
+ src/stacktrace_powerpc-linux-inl.h | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/src/stacktrace_powerpc-linux-inl.h b/src/stacktrace_powerpc-linux-inl.h
+index 5d16fa1..a9bf775 100644
+--- a/src/stacktrace_powerpc-linux-inl.h
++++ b/src/stacktrace_powerpc-linux-inl.h
+@@ -44,6 +44,7 @@
+ 
+ #include <stdint.h>   // for uintptr_t
+ #include <stdlib.h>   // for NULL
++#include <signal.h>   // for siginfo_t
+ #include <gperftools/stacktrace.h>
+ #include <base/vdso_support.h>
+ 
+-- 
+2.8.3
+

meta-oe/recipes-support/gperftools/gperftools_2.5.bb

@@ -6,6 +6,7 @@ DEPENDS = "libunwind"
 
 SRC_URI = "http://pkgs.fedoraproject.org/repo/pkgs/gperftools/gperftools-2.5.tar.gz/aa1eaf95dbe2c9828d0bd3a00f770f50/gperftools-2.5.tar.gz \
            file://0001-Support-Atomic-ops-on-clang.patch \
+           file://0001-Fix-build-failure-for-ppc.patch \
           "
 
 SRC_URI[md5sum] = "aa1eaf95dbe2c9828d0bd3a00f770f50"