libunwind: Do not assume libdir for ppc64

This ensures that build respects OE's choice for libdir

(From OE-Core rev: 715a3860f728d08b0a9575690049553c7b8dd65a)

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

meta/recipes-support/libunwind/libunwind/0001-configure-Do-not-enforce-libdir-for-ppc64.patch

@@ -0,0 +1,35 @@
+From 154c7465de2aeb9a8ba3416bbed6e6e07f58c583 Mon Sep 17 00:00:00 2001
+From: Khem Raj <raj.khem@gmail.com>
+Date: Thu, 11 Mar 2021 21:52:28 -0800
+Subject: [PATCH] configure: Do not enforce libdir for ppc64
+
+OE has its own multilib configuration, therefore hardcoding libdir
+breaks that, instead respect the settings coming from build environment
+via configure options.
+
+Upstream-Status: Pending
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+---
+ configure.ac | 6 ------
+ 1 file changed, 6 deletions(-)
+
+diff --git a/configure.ac b/configure.ac
+index c8d68f7..254440f 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -206,12 +206,6 @@ fi
+ AM_CONDITIONAL(USE_DWARF, [test x$use_dwarf = xyes])
+ AC_MSG_RESULT([$use_dwarf])
+ 
+-if test x$target_arch = xppc64; then
+-        libdir='${exec_prefix}/lib64'
+-        AC_MSG_NOTICE([PowerPC64 detected, lib will be installed ${libdir}]);
+-        AC_SUBST([libdir])
+-fi
+-
+ AC_MSG_CHECKING([whether to restrict build to remote support])
+ if test x$target_arch != x$host_arch; then
+   CPPFLAGS="${CPPFLAGS} -DUNW_REMOTE_ONLY"
+-- 
+2.30.2
+

meta/recipes-support/libunwind/libunwind_1.5.0.bb

@@ -6,6 +6,7 @@ SRC_URI = "http://download.savannah.nongnu.org/releases/libunwind/libunwind-${PV
            file://0004-Fix-build-on-mips-musl.patch \
            file://0005-ppc32-Consider-ucontext-mismatches-between-glibc-and.patch \
            file://0006-Fix-for-X32.patch \
+           file://0001-configure-Do-not-enforce-libdir-for-ppc64.patch \
            "
 SRC_URI_append_libc-musl = " file://musl-header-conflict.patch"