elfutils: fix aarch64 build

srcpkgs/elfutils/patches/fix-aarch64_fregs.patch

@@ -0,0 +1,25 @@
+It looks like fregs.vregs[] is an array of double?
+Casting to Dwarf_Word instead of & 0xFFFFFFF should do.
+
+--- backends/aarch64_initreg.c	2015-11-27 14:36:29.000000000 +0100
++++ backends/aarch64_initreg.c	2016-08-09 03:47:25.428560159 +0200
+@@ -33,7 +33,9 @@
+ #include "system.h"
+ #include <assert.h>
+ #ifdef __aarch64__
++#if defined(__GLIBC__)
+ # include <linux/uio.h>
++#endif
+ # include <sys/user.h>
+ # include <sys/ptrace.h>
+ /* Deal with old glibc defining user_pt_regs instead of user_regs_struct.  */
+@@ -82,7 +82,7 @@
+ 
+   Dwarf_Word dwarf_fregs[32];
+   for (int r = 0; r < 32; r++)
+-    dwarf_fregs[r] = fregs.vregs[r] & 0xFFFFFFFF;
++    dwarf_fregs[r] = (Dwarf_Word)fregs.vregs[r];
+ 
+   if (! setfunc (64, 32, dwarf_fregs, arg))
+     return false;
+--- /tmp/musl/builddir/elfutils-0.166/backends/aarch64_initreg.c	2016-08-09 03:49:39.071557467 +0200

srcpkgs/elfutils/template

@@ -1,7 +1,7 @@
 # Template file for 'elfutils'
 pkgname=elfutils
 version=0.166
-revision=1
+revision=2
 build_style=gnu-configure
 configure_args="--program-prefix=eu-"
 hostmakedepends="automake libtool"