From 1c5302ba51a45cd1c3f992cf15b263335a2b7593 Mon Sep 17 00:00:00 2001
From: SHagerAT80 <91541475+SHagerGEL@users.noreply.github.com>
Date: Fri, 28 Jan 2022 06:12:22 +0100
Subject: [PATCH] Enabled bulding with buildroot toolchain. (#281)

---
 CMakeLists.txt        |  2 ++
 README.md             |  3 ++-
 cmake/YOCTO.cmake     |  2 +-
 cmake/local_sdk.cmake | 22 +++++++++++++++-------
 4 files changed, 20 insertions(+), 9 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 224d2a9..983583a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -44,6 +44,8 @@ else()
         include(cmake/vim3_android.cmake)
     elseif("${CONFIG}" STREQUAL "YOCTO")
         include(cmake/YOCTO.cmake)
+    elseif("${CONFIG}" STREQUAL "BUILDROOT")
+        include(cmake/YOCTO.cmake)
     else()
         include(cmake/X86_64_linux.cmake)
     endif()
diff --git a/README.md b/README.md
index e92cebe..1f29721 100644
--- a/README.md
+++ b/README.md
@@ -91,7 +91,8 @@ export DISABLE_IDE_DEBUG=1
 1. prepare toolchain file follow cmake standard
 2. make sure cross build low-level driver with toolchain separately, we need the sdk from the low-level driver
 3. add -DEXTERNAL_VIV_SDK=<low-level-driver/out/sdk> to cmake definitions, also remember -DCMAKE_TOOLCHAIN_FILE=<Your_Toolchain_Config>
-4. then make
+4. or for using a buildroot toolchain with extrnal VIV-SDK add: -DCONFIG=BUILDROOT -DCMAKE_SYSROOT=${CMAKE_SYSROOT} -DEXTERNAL_VIV_SDK=${BUILDROOT_SYSROOT}
+5. then make
 
 ----
 #### Important notice for integration
diff --git a/cmake/YOCTO.cmake b/cmake/YOCTO.cmake
index cb0652d..58081c9 100644
--- a/cmake/YOCTO.cmake
+++ b/cmake/YOCTO.cmake
@@ -1,5 +1,5 @@
 set(PKG_NAME "OVXDRV")
-message(STATUS "Using YOCTO Project configuration.")
+message(STATUS "Using YOCTO/BUILDROOT Project configuration.")
 
 # The include directories are available in SDK
 set(OVXDRV_INCLUDE_DIRS)
diff --git a/cmake/local_sdk.cmake b/cmake/local_sdk.cmake
index 5f23e3e..a74de46 100644
--- a/cmake/local_sdk.cmake
+++ b/cmake/local_sdk.cmake
@@ -6,14 +6,22 @@ list(APPEND OVXDRV_INCLUDE_DIRS
     ${EXTERNAL_VIV_SDK}/include
     ${EXTERNAL_VIV_SDK}/include/CL)
 
+if("${CONFIG}" STREQUAL "BUILDROOT")
+    set(VIV_SDK_DRIVER_PREFIX "usr/lib")
+else()
+    set(VIV_SDK_DRIVER_PREFIX "drivers")
+endif()
+
+message("using driver libs from ${EXTERNAL_VIV_SDK}/${VIV_SDK_DRIVER_PREFIX}")
+
 set(OVXDRV_LIBRARIES)
 list(APPEND OVXDRV_LIBRARIES
-    ${EXTERNAL_VIV_SDK}/drivers/libCLC.so
-    ${EXTERNAL_VIV_SDK}/drivers/libGAL.so
-    ${EXTERNAL_VIV_SDK}/drivers/libOpenVX.so
-    ${EXTERNAL_VIV_SDK}/drivers/libOpenVXU.so
-    ${EXTERNAL_VIV_SDK}/drivers/libVSC.so
-    ${EXTERNAL_VIV_SDK}/drivers/libArchModelSw.so
-    ${EXTERNAL_VIV_SDK}/drivers/libNNArchPerf.so)
+    ${EXTERNAL_VIV_SDK}/${VIV_SDK_DRIVER_PREFIX}/libCLC.so
+    ${EXTERNAL_VIV_SDK}/${VIV_SDK_DRIVER_PREFIX}/libGAL.so
+    ${EXTERNAL_VIV_SDK}/${VIV_SDK_DRIVER_PREFIX}/libOpenVX.so
+    ${EXTERNAL_VIV_SDK}/${VIV_SDK_DRIVER_PREFIX}/libOpenVXU.so
+    ${EXTERNAL_VIV_SDK}/${VIV_SDK_DRIVER_PREFIX}/libVSC.so
+    ${EXTERNAL_VIV_SDK}/${VIV_SDK_DRIVER_PREFIX}/libArchModelSw.so
+    ${EXTERNAL_VIV_SDK}/${VIV_SDK_DRIVER_PREFIX}/libNNArchPerf.so)
 
 mark_as_advanced(${OVXDRV_INCLUDE_DIRS} ${OVXDRV_LIBRARIES})