diff --git a/libs/filesystem/src/operations.cpp b/libs/filesystem/src/operations.cpp
index a1504b5..01d2ba9 100644
--- a/libs/filesystem/src/operations.cpp
+++ b/libs/filesystem/src/operations.cpp
@@ -1410,7 +1410,8 @@ namespace detail
     //   "http://man7.org/linux/man-pages/man2/fchmodat.2.html"
 #   if defined(AT_FDCWD) && defined(AT_SYMLINK_NOFOLLOW) \
       && !(defined(__SUNPRO_CC) || defined(sun)) \
-      && !(defined(linux) || defined(__linux) || defined(__linux__))
+      && !(defined(linux) || defined(__linux) || defined(__linux__)) \
+      && !(defined(__QNX__) || defined(__QNXNTO__))
       if (::fchmodat(AT_FDCWD, p.c_str(), mode_cast(prms),
            !(prms & symlink_perms) ? 0 : AT_SYMLINK_NOFOLLOW))
 #   else  // fallback if fchmodat() not supported
diff --git a/tools/build/v2/tools/qcc.jam b/tools/build/v2/tools/qcc.jam
index 3b35578..fc717b7 100644
--- a/tools/build/v2/tools/qcc.jam
+++ b/tools/build/v2/tools/qcc.jam
@@ -219,7 +219,7 @@ if [ os.name ] = NT
 actions piecemeal archive
 {
     $(RM) "$(<)"
-    "$(CONFIG_COMMAND)" -A "$(<)" "$(>)"
+    "$(CONFIG_COMMAND)" -Vgcc_ntox86_64 -A "$(<)" "$(>)"
 }