Add a couple of paragraphs about building process under QNX.
diff --git a/BUILD.md b/BUILD.md
index 52faedb..dd3f641 100644
--- a/BUILD.md
+++ b/BUILD.md
@@ -11,6 +11,7 @@
1. [Linux Build](#building-on-linux)
1. [MacOS build](#building-on-macos)
1. [Fuchsia build](#building-on-fuchsia)
+1. [QNX build](#building-on-qnx)
## Contributing to the Repository
@@ -685,6 +686,15 @@
Fuchsia uses the project's GN build system to integrate with the Fuchsia platform build.
+## Building on QNX
+
+QNX is using its own build system. The proper build environment must be set
+under the QNX host development system (Linux, Win64, MacOS) by invoking
+the shell/batch script provided with QNX installation.
+
+Then change working directory to the "build-qnx" in this project and type "make".
+It will build the ICD loader for all CPU targets supported by QNX.
+
### SDK Symbols
The Vulkan Loader is a component of the Fuchsia SDK, so it must explicitly declare its exported symbols in
