[PATCH] Working on reconciling out-of-tree patches to compiler-rt for building for iOS.

[Alexey Samsonov]

================
Comment at: lib/sanitizer_common/sanitizer_platform_limits_posix.cc:55
@@ -56,1 +54,3 @@
 
+#if !SANITIZER_IOS
+#include <net/if_arp.h>
----------------
beanz wrote:
> samsonov wrote:
> > Any specific reason to move #include directives down here?
> It was moved down for consistency with how Android and Linux handled special include handling.
Fine. Hope it won't break non-iOS platforms because of include order.

================
Comment at: lib/sanitizer_common/sanitizer_platform_limits_posix.cc:344
@@ -340,1 +343,3 @@
+#if !SANITIZER_IOS
   unsigned struct_arpreq_sz = sizeof(struct arpreq);
+#endif
----------------
beanz wrote:
> samsonov wrote:
> > Where do you get this constant from on iOS?
> These patches are about making it build, not function. Anna will be working on patches to make it function, but that is outside of what I'm able to handle here.
The changes still need to be reasonable. Please either provide the correct value for `struct_arpreq_sz` on iOS, or remove its declaration from header on iOS.

http://reviews.llvm.org/D10514

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