gperftools: Fix build on ppc

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
(cherry picked from commit 23a1d7acca)
Signed-off-by: Armin Kuster <akuster808@gmail.com>

meta-oe/recipes-support/gperftools/gperftools/0001-Use-ucontext_t-instead-of-struct-ucontext.patch

@@ -0,0 +1,36 @@
+From 12ac0dc6742e1bcdfaf1842186c9002f0820a5e8 Mon Sep 17 00:00:00 2001
+From: Khem Raj <raj.khem@gmail.com>
+Date: Sat, 1 Jul 2017 13:21:21 -0700
+Subject: [PATCH] Use ucontext_t instead of struct ucontext
+
+Newer glibc has dropped the ucontext tag from exposing
+
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+---
+ src/stacktrace_powerpc-linux-inl.h | 3 +--
+ 1 file changed, 1 insertion(+), 2 deletions(-)
+
+diff --git a/src/stacktrace_powerpc-linux-inl.h b/src/stacktrace_powerpc-linux-inl.h
+index a9bf775..47ff2d7 100644
+--- a/src/stacktrace_powerpc-linux-inl.h
++++ b/src/stacktrace_powerpc-linux-inl.h
+@@ -53,7 +53,6 @@
+ #elif defined(HAVE_UCONTEXT_H)
+ #include <ucontext.h>  // for ucontext_t
+ #endif
+-typedef ucontext ucontext_t;
+ 
+ // PowerPC64 Little Endian follows BE wrt. backchain, condition register,
+ // and LR save area, so no need to adjust the reading struct.
+@@ -202,7 +201,7 @@ static int GET_STACK_TRACE_OR_FRAMES {
+         struct rt_signal_frame_32 {
+           char dummy[64 + 16];
+           siginfo_t info;
+-          struct ucontext uc;
++          ucontext_t uc;
+           // We don't care about the rest, since IP value is at 'uc' field.A
+         } *sigframe = reinterpret_cast<rt_signal_frame_32*>(current);
+         result[n] = (void*) sigframe->uc.uc_mcontext.uc_regs->gregs[PT_NIP];
+-- 
+2.13.2
+

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

@@ -7,7 +7,8 @@ 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 \
-          "
+           file://0001-Use-ucontext_t-instead-of-struct-ucontext.patch \
+           "
 
 SRC_URI[md5sum] = "aa1eaf95dbe2c9828d0bd3a00f770f50"
 SRC_URI[sha256sum] = "6fa2748f1acdf44d750253e160cf6e2e72571329b42e563b455bde09e9e85173"