From 336ff7d19d85ffbf0c91283d550137b2f09c4e8a Mon Sep 17 00:00:00 2001
From: Naoto Kondo <cgigcp3yqt@gmail.com>
Date: Wed, 18 May 2022 19:15:03 +0900
Subject: [PATCH] passthrough NDI_ARCH variable and detect aarch64 compiler on
 linux

---
 cmake/Modules/FindNDI.cmake | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/cmake/Modules/FindNDI.cmake b/cmake/Modules/FindNDI.cmake
index 4e86eae..346c6fe 100644
--- a/cmake/Modules/FindNDI.cmake
+++ b/cmake/Modules/FindNDI.cmake
@@ -30,13 +30,17 @@ elseif(UNIX)
   if(EXISTS "${NDI_SDK_DIR}/include/Processing.NDI.Lib.h")
     set(NDI_FOUND TRUE)
     set(NDI_DIR ${NDI_SDK_DIR})
-    if(CMAKE_SIZEOF_VOID_P EQUAL 4)
-      set(NDI_ARCH "i686")
-    else()
-      set(NDI_ARCH "x86_64")
+    if(NOT NDI_ARCH)
+      if(CMAKE_SYSTEM_PROCESSOR STREQUAL "aarch64")
+        set(NDI_ARCH "aarch64-rpi4-linux-gnueabi")
+      elseif(CMAKE_SIZEOF_VOID_P EQUAL 4)
+        set(NDI_ARCH "i686-linux-gnu")
+      else()
+        set(NDI_ARCH "x86_64-linux-gnu")
+      endif()
     endif()
     set(NDI_INCLUDE_DIR "${NDI_DIR}/include")
-    set(NDI_LIBRARY_DIR "${NDI_DIR}/lib/${NDI_ARCH}-linux-gnu")
+    set(NDI_LIBRARY_DIR "${NDI_DIR}/lib/${NDI_ARCH}")
     set(NDI_LICENSE_DIR "${NDI_DIR}/licenses")
     set(NDI_LIBS "ndi")
   elseif(EXISTS "/usr/include/Processing.NDI.Lib.h")