r346763 | ldionne | 2018-11-13 18:00:04 +0100 (Tue, 13 Nov 2018) | 5 lines

[libcxx] GNU/Hurd uses BSD-based interfaces, but does not (and won't) provide <sys/sysctl.h>

Reviewed as https://reviews.llvm.org/D54338.

Thanks to sthibaul for the patch.

Index: llvm-toolchain-7-7/libcxx/src/thread.cpp
===================================================================
--- llvm-toolchain-7-7.orig/libcxx/src/thread.cpp
+++ llvm-toolchain-7-7/libcxx/src/thread.cpp
@@ -19,9 +19,9 @@
 
 #if defined(__unix__) || (defined(__APPLE__) && defined(__MACH__))
 # include <sys/param.h>
-# if defined(BSD)
+# if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__DragonFly__) || defined(__APPLE__)
 #   include <sys/sysctl.h>
-# endif // defined(BSD)
+# endif
 #endif // defined(__unix__) || (defined(__APPLE__) && defined(__MACH__))
 
 #if defined(__unix__) || (defined(__APPLE__) && defined(__MACH__)) || defined(__CloudABI__) || defined(__Fuchsia__)