gdb,strace: Fix builds on ppc/musl

ptrace namespace is polluted in glibc for ppc
which is highlighted with musl, these fixes
tries to undo it

(From OE-Core rev: cc48929e916697d2103738cf12f02f47cdd43f32)

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-devtools/strace/strace/0001-Fix-build-when-using-non-glibc-libc-implementation-o.patch

@@ -0,0 +1,36 @@
+From 1f0c22b79045cfcdc976643f383c1d09589d3087 Mon Sep 17 00:00:00 2001
+From: Khem Raj <raj.khem@gmail.com>
+Date: Sat, 30 Apr 2016 16:23:56 +0000
+Subject: [PATCH] Fix build when using non-glibc libc implementation on ppc
+
+glibc includes the kernel header into its own header for macros
+musl does not
+
+Upstream-Status: Pending
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+---
+ ptrace.h | 8 +++++++-
+ 1 file changed, 7 insertions(+), 1 deletion(-)
+
+diff --git a/ptrace.h b/ptrace.h
+index d8af976..4978a69 100644
+--- a/ptrace.h
++++ b/ptrace.h
+@@ -52,7 +52,13 @@ extern long ptrace(int, int, char *, long);
+ # define ptrace_peeksiginfo_args XXX_ptrace_peeksiginfo_args
+ #endif
+ 
+-#include <linux/ptrace.h>
++#if defined(POWERPC) && !defined(__GLIBC__)
++#define pt_regs uapi_pt_regs
++#endif
++# include <linux/ptrace.h>
++#if defined(POWERPC) && !defined(__GLIBC__)
++# undef pt_regs
++#endif
+ 
+ #ifdef HAVE_STRUCT_IA64_FPREG
+ # undef ia64_fpreg
+-- 
+1.8.3.1
+

meta/recipes-devtools/strace/strace_4.11.bb

@@ -16,7 +16,8 @@ SRC_URI = "${SOURCEFORGE_MIRROR}/strace/strace-${PV}.tar.xz \
            file://0001-Move-gcc-compat-macros-to-gcc_compat.h.patch \
            file://0001-tests-introduce-libtests.patch \
            file://run-ptest \
-          "
+           file://0001-Fix-build-when-using-non-glibc-libc-implementation-o.patch \
+           "
 
 SRC_URI[md5sum] = "a15d2555a7febb56d00c6e1a51c655dc"
 SRC_URI[sha256sum] = "e86a5f6cd8f941f67f3e4b28f4e60f3d9185c951cf266404533210a2e5cd8152"