Index: source/Host/linux/HostThreadLinux.cpp
===================================================================
--- source/Host/linux/HostThreadLinux.cpp
+++ source/Host/linux/HostThreadLinux.cpp
@@ -30,12 +30,18 @@
 void
 HostThreadLinux::SetName(lldb::thread_t thread, llvm::StringRef name)
 {
+#if defined(__GLIBC__) && defined(_GNU_SOURCE)
     ::pthread_setname_np(thread, name.data());
+#else
+    (void) thread;
+    (void) name;
+#endif
 }
 
 void
 HostThreadLinux::GetName(lldb::thread_t thread, llvm::SmallVectorImpl<char> &name)
 {
+#if defined(__GLIBC__) && defined(_GNU_SOURCE)
     // Read /proc/$TID/comm file.
     lldb::DataBufferSP buf_sp = process_linux::ProcFileReader::ReadIntoDataBuffer(thread, "comm");
     const char *comm_str = (const char *)buf_sp->GetBytes();
@@ -44,4 +50,8 @@
 
     name.clear();
     name.append(comm_str, comm_str + length);
+#else
+    (void) thread;
+    (void) name;
+#endif
 }