diff --git a/cmake/toolchains/toolchain-aarch64-qnx.cmake b/cmake/toolchains/toolchain-aarch64-qnx.cmake
new file mode 100644
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+++ b/cmake/toolchains/toolchain-aarch64-qnx.cmake
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+#==============================================================================
+# Toolchain file for cross-compiling to aarch64 QNX
+#==============================================================================
+
+# Cross-compiling, so tell CMake that we are not building for the host system
+set(CMAKE_SYSTEM_NAME QNX)
+
+# Target processor architecture
+set(CMAKE_SYSTEM_PROCESSOR aarch64)
+
+#------------------------------------------------------------------------------
+# QNX host and target come from environment
+# Adjust these or hard-code paths as needed:
+#
+#    set(QNX_HOST "/path/to/qnx/host")      # e.g. /qnx/qnx710/host/linux/x86_64
+#    set(QNX_TARGET "/path/to/qnx/target")  # e.g. /qnx/qnx710/target/qnx7
+#
+# You can also pass them on the cmake command line:
+#    cmake -D QNX_HOST=/path/to/qnx/host \
+#          -D QNX_TARGET=/path/to/qnx/target \
+#          -DCMAKE_TOOLCHAIN_FILE=toolchain-aarch64-qnx.cmake ..
+#------------------------------------------------------------------------------
+
+#----------------------------------------------------------------------------
+# C/C++ Compilers from QNX
+#----------------------------------------------------------------------------
+find_program(QNX_QCC   NAMES qcc   PATHS "${QNX_HOST}/usr/bin")
+find_program(QNX_QPLUS NAMES q++   PATHS "${QNX_HOST}/usr/bin")
+
+if(NOT QNX_QCC OR NOT QNX_QPLUS)
+    message(FATAL_ERROR "Could not find qcc or q++ in QNX_HOST=${QNX_HOST}/usr/bin")
+endif()
+
+set(CMAKE_C_COMPILER   "${QNX_QCC}")
+set(CMAKE_CXX_COMPILER "${QNX_QPLUS}")
+
+#----------------------------------------------------------------------------
+# Sysroot (if you want CMake to know the default sysroot)
+#----------------------------------------------------------------------------
+# This is optional, but convenient if the QNX headers/libraries must be found:
+#----------------------------------------------------------------------------
+if(DEFINED QNX_TARGET)
+    set(CMAKE_SYSROOT "${QNX_TARGET}")
+endif()
+
+#----------------------------------------------------------------------------
+# Additional preprocessor definitions & include paths
+#----------------------------------------------------------------------------
+add_compile_options(
+    -D_QNX_SOURCE
+    -DWIN_INTERFACE_CUSTOM
+)
+
+# Add an include path to /usr/include/aarch64-qnx-gnu:
+include_directories("/usr/include/aarch64-qnx-gnu")
+
+#----------------------------------------------------------------------------
+# Linker flags
+#----------------------------------------------------------------------------
+set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -L/usr/lib/aarch64-qnx-gnu")
+
+# Because the Makefile also adds -Wl,-rpath-link,/usr/lib/aarch64-qnx-gnu:
+set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,-rpath-link,/usr/lib/aarch64-qnx-gnu")
+
+# If you have a “target filesystem” (TARGET_FS) to link with:
+#   -L$(TARGET_FS)/usr/lib
+#   -L$(TARGET_FS)/usr/libnvidia
+# etc., you can optionally extend the link flags.  For example:
+#
+# if(DEFINED TARGET_FS)
+#     set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} \
+#         -L${TARGET_FS}/usr/lib -Wl,-rpath-link,${TARGET_FS}/usr/lib \
+#         -L${TARGET_FS}/usr/libnvidia -Wl,-rpath-link,${TARGET_FS}/usr/libnvidia")
+#     include_directories("${TARGET_FS}/../include")
+# endif()
+
+# If you need to link additional libraries, e.g. -lslog2 under certain conditions:
+#   list(APPEND EXTRA_LIBS "slog2")
+#   ...
+#----------------------------------------------------------------------------