<div dir="ltr"><font face="garamond, serif">Hello,</font><div><font face="garamond, serif"><br></font></div><div><font face="garamond, serif">I was trying to &quot;make kernel-build&quot; using native clang(Debian) for target x86_64. But it failed and gave </font><span style="font-family:garamond,serif">these errors.</span></div><div><font face="garamond, serif"><br></font></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><font face="garamond, serif">kernel/rcu/srcu.c:154:17: error: non-const static data member must be initialized out of line</font></blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><font face="garamond, serif">                t = READ_ONCE(per_cpu_ptr(sp-&gt;per_cpu_ref, cpu)-&gt;seq[idx]);</font></blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><font face="garamond, serif">                    ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~</font></blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><font face="garamond, serif">include/linux/percpu-defs.h:222:2: note: expanded from macro &#39;per_cpu_ptr&#39;</font></blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><font face="garamond, serif">        __verify_pcpu_ptr(ptr);                                         \</font></blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><font face="garamond, serif">        ^</font></blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><font face="garamond, serif">include/linux/percpu-defs.h:206:23: note: expanded from macro &#39;__verify_pcpu_ptr&#39;</font></blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><font face="garamond, serif">        const void __percpu *__vpp_verify = (typeof((ptr) + 0))NULL;    \</font></blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><font face="garamond, serif">                             ^</font></blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><font face="garamond, serif">include/linux/compiler.h:252:20: note: expanded from macro &#39;READ_ONCE&#39;</font></blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><font face="garamond, serif">        ({ union { typeof(x) __val; char __c[1]; } __u; __read_once_size(&amp;(x), __u.__c, sizeof(x)); __u.__val; })</font></blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><font face="garamond, serif">                          ^</font></blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><font face="garamond, serif">kernel/rcu/srcu.c:171:17: error: non-const static data member must be initialized out of line</font></blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><font face="garamond, serif">                t = READ_ONCE(per_cpu_ptr(sp-&gt;per_cpu_ref, cpu)-&gt;c[idx]);</font></blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><font face="garamond, serif">                    ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~</font></blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><font face="garamond, serif">include/linux/percpu-defs.h:222:2: note: expanded from macro &#39;per_cpu_ptr&#39;</font></blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><font face="garamond, serif">        __verify_pcpu_ptr(ptr);                                         \</font></blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><font face="garamond, serif">        ^</font></blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><font face="garamond, serif">include/linux/percpu-defs.h:206:23: note: expanded from macro &#39;__verify_pcpu_ptr&#39;</font></blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><font face="garamond, serif">        const void __percpu *__vpp_verify = (typeof((ptr) + 0))NULL;    \</font></blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><font face="garamond, serif">                             ^</font></blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><font face="garamond, serif">include/linux/compiler.h:252:20: note: expanded from macro &#39;READ_ONCE&#39;</font></blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><font face="garamond, serif">        ({ union { typeof(x) __val; char __c[1]; } __u; __read_once_size(&amp;(x), __u.__c, sizeof(x)); __u.__val; })</font></blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><font face="garamond, serif">                          ^</font></blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><font face="garamond, serif">kernel/rcu/srcu.c:268:20: error: non-const static data member must be initialized out of line</font></blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><font face="garamond, serif">                sum += READ_ONCE(per_cpu_ptr(sp-&gt;per_cpu_ref, cpu)-&gt;c[0]);</font></blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><font face="garamond, serif">                       ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~</font></blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><font face="garamond, serif">include/linux/percpu-defs.h:222:2: note: expanded from macro &#39;per_cpu_ptr&#39;</font></blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><font face="garamond, serif">        __verify_pcpu_ptr(ptr);                                         \</font></blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><font face="garamond, serif">        ^</font></blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><font face="garamond, serif">include/linux/percpu-defs.h:206:23: note: expanded from macro &#39;__verify_pcpu_ptr&#39;</font></blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><font face="garamond, serif">        const void __percpu *__vpp_verify = (typeof((ptr) + 0))NULL;    \</font></blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><font face="garamond, serif">                             ^</font></blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><font face="garamond, serif">include/linux/compiler.h:252:20: note: expanded from macro &#39;READ_ONCE&#39;</font></blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><font face="garamond, serif">        ({ union { typeof(x) __val; char __c[1]; } __u; __read_once_size(&amp;(x), __u.__c, sizeof(x)); __u.__val; })</font></blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><font face="garamond, serif">                          ^</font></blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><font face="garamond, serif">kernel/rcu/srcu.c:269:20: error: non-const static data member must be initialized out of line</font></blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><font face="garamond, serif">                sum += READ_ONCE(per_cpu_ptr(sp-&gt;per_cpu_ref, cpu)-&gt;c[1]);</font></blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><font face="garamond, serif">                       ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~</font></blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><font face="garamond, serif">include/linux/percpu-defs.h:222:2: note: expanded from macro &#39;per_cpu_ptr&#39;</font></blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><font face="garamond, serif">        __verify_pcpu_ptr(ptr);                                         \</font></blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><font face="garamond, serif">        ^</font></blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><font face="garamond, serif">include/linux/percpu-defs.h:206:23: note: expanded from macro &#39;__verify_pcpu_ptr&#39;</font></blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><font face="garamond, serif">        const void __percpu *__vpp_verify = (typeof((ptr) + 0))NULL;    \</font></blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><font face="garamond, serif">                             ^</font></blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><font face="garamond, serif">include/linux/compiler.h:252:20: note: expanded from macro &#39;READ_ONCE&#39;</font></blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><font face="garamond, serif">        ({ union { typeof(x) __val; char __c[1]; } __u; __read_once_size(&amp;(x), __u.__c, sizeof(x)); __u.__val; })</font></blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><font face="garamond, serif">                          ^</font></blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><font face="garamond, serif">4 errors generated.</font></blockquote></blockquote><div><font face="garamond, serif"><br></font></div><div><font face="garamond, serif">Why did I get this error?</font></div><div><font face="garamond, serif"><br></font></div><div><font face="garamond, serif">Thanks in advance.</font></div><div><font face="garamond, serif">Joseph.</font></div></div>