--- a/modules/core/src/system.cpp
+++ b/modules/core/src/system.cpp
@@ -129,11 +129,15 @@ void* allocSingletonNewBuffer(size_t size) { return malloc(size); }
 #include <cstdlib>        // std::abort
 #endif
 
-#if defined __ANDROID__ || defined __unix__ || defined __FreeBSD__ || defined __OpenBSD__ || defined __HAIKU__
+#if defined __ANDROID__ || defined __unix__ || defined __FreeBSD__ || defined __OpenBSD__ || defined __HAIKU__ || defined __QNX__
 #  include <unistd.h>
 #  include <fcntl.h>
 #if defined __QNX__
 #  include <sys/elf.h>
+#  include <sys/auxv.h>
+using Elf64_auxv_t = auxv64_t;
+#  include <elfdefinitions.h>
+constexpr decltype(auto) AT_HWCAP = NT_GNU_HWCAP;
 #else
 #  include <elf.h>
 #endif