make: ensure path is correct for BUILD_DIR

Signed-off-by: deadprogram <[email protected]>
hybridgroup · Mar 29, 2024 · 80995ae · 80995ae
1 parent ebced73
commit 80995ae
Showing 1 changed file with 27 additions and 27 deletions.
diff --git a/Makefile b/Makefile
@@ -11,7 +11,7 @@ OPENCV_VERSION?=4.9.0
 GOVERSION?=1.22.0
 
 # Build directory to put files into.
-BUILD_DIR?=/tmp/
+BUILD_DIR?=/tmp
 
 # Build shared or static library
 BUILD_SHARED_LIBS?=ON
@@ -77,18 +77,18 @@ deps_jetson:
 
 # Download OpenCV source tarballs.
 download-clean:
-	rm -rf $(BUILD_DIR)opencv
-	mkdir $(BUILD_DIR)opencv
+	rm -rf $(BUILD_DIR)/opencv
+	mkdir $(BUILD_DIR)/opencv
 
 # Download OpenCV source tarballs.
 download-opencv-source:
-	cd $(BUILD_DIR)opencv
+	cd $(BUILD_DIR)/opencv
 	curl -Lo opencv.zip https://github.com/opencv/opencv/archive/refs/tags/$(OPENCV_VERSION).zip
 	curl -Lo opencv_contrib.zip https://github.com/opencv/opencv_contrib/archive/refs/tags/$(OPENCV_VERSION).zip
 
 # Download OpenCV source tarballs.
 download-extract:
-	cd $(BUILD_DIR)opencv
+	cd $(BUILD_DIR)/opencv
 	unzip -q opencv.zip
 	unzip -q opencv_contrib.zip
 	cd -
@@ -102,7 +102,7 @@ download_openvino:
 	sudo git clone https://github.com/openvinotoolkit/openvino -b 2019_R3.1 /usr/local/openvino/
 
 build-clean:
-	cd $(BUILD_DIR)opencv/opencv-$(OPENCV_VERSION)
+	cd $(BUILD_DIR)/opencv/opencv-$(OPENCV_VERSION)
 	mkdir -p build
 	cd build
 	rm -rf *
@@ -127,20 +127,20 @@ build_openvino_package:
 # Build OpenCV.
 build: build-clean build_normal_task
 build_normal_task:
-	cd $(BUILD_DIR)opencv/opencv-$(OPENCV_VERSION)/build
-	cmake -D CMAKE_BUILD_TYPE=RELEASE -D CMAKE_INSTALL_PREFIX=/usr/local -D BUILD_SHARED_LIBS=${BUILD_SHARED_LIBS} -D OPENCV_EXTRA_MODULES_PATH=$(BUILD_DIR)opencv/opencv_contrib-$(OPENCV_VERSION)/modules -D BUILD_DOCS=OFF -D BUILD_EXAMPLES=OFF -D BUILD_TESTS=OFF -D BUILD_PERF_TESTS=ON -D BUILD_opencv_java=NO -D BUILD_opencv_python=NO -D BUILD_opencv_python2=NO -D BUILD_opencv_python3=NO -D WITH_JASPER=OFF -D WITH_TBB=ON -DOPENCV_GENERATE_PKGCONFIG=ON ..
+	cd $(BUILD_DIR)/opencv/opencv-$(OPENCV_VERSION)/build
+	cmake -D CMAKE_BUILD_TYPE=RELEASE -D CMAKE_INSTALL_PREFIX=/usr/local -D BUILD_SHARED_LIBS=${BUILD_SHARED_LIBS} -D OPENCV_EXTRA_MODULES_PATH=$(BUILD_DIR)/opencv/opencv_contrib-$(OPENCV_VERSION)/modules -D BUILD_DOCS=OFF -D BUILD_EXAMPLES=OFF -D BUILD_TESTS=OFF -D BUILD_PERF_TESTS=ON -D BUILD_opencv_java=NO -D BUILD_opencv_python=NO -D BUILD_opencv_python2=NO -D BUILD_opencv_python3=NO -D WITH_JASPER=OFF -D WITH_TBB=ON -DOPENCV_GENERATE_PKGCONFIG=ON ..
 	$(MAKE) -j $(shell nproc --all --ignore 1)
 	$(MAKE) preinstall
 	cd -
 
 # Build OpenCV on Raspbian with ARM hardware optimizations.
 build_raspi: build-clean build_raspi_task
 build_raspi_task:
-	cd $(BUILD_DIR)opencv/opencv-$(OPENCV_VERSION)/build
+	cd $(BUILD_DIR)/opencv/opencv-$(OPENCV_VERSION)/build
 ifneq ($(shell uname -m | grep "aarch64"),)
-	cmake -D CMAKE_BUILD_TYPE=RELEASE -D CMAKE_INSTALL_PREFIX=/usr/local -D BUILD_SHARED_LIBS=${BUILD_SHARED_LIBS} -D OPENCV_EXTRA_MODULES_PATH=$(BUILD_DIR)opencv/opencv_contrib-$(OPENCV_VERSION)/modules -D BUILD_DOCS=OFF -D BUILD_EXAMPLES=OFF -D BUILD_TESTS=OFF -D BUILD_PERF_TESTS=ON -D BUILD_opencv_java=OFF -D BUILD_opencv_python=NO -D BUILD_opencv_python2=NO -D BUILD_opencv_python3=NO -D ENABLE_NEON=ON -D WITH_JASPER=OFF -D WITH_TBB=ON -D OPENCV_GENERATE_PKGCONFIG=ON ..
+	cmake -D CMAKE_BUILD_TYPE=RELEASE -D CMAKE_INSTALL_PREFIX=/usr/local -D BUILD_SHARED_LIBS=${BUILD_SHARED_LIBS} -D OPENCV_EXTRA_MODULES_PATH=$(BUILD_DIR)/opencv/opencv_contrib-$(OPENCV_VERSION)/modules -D BUILD_DOCS=OFF -D BUILD_EXAMPLES=OFF -D BUILD_TESTS=OFF -D BUILD_PERF_TESTS=ON -D BUILD_opencv_java=OFF -D BUILD_opencv_python=NO -D BUILD_opencv_python2=NO -D BUILD_opencv_python3=NO -D ENABLE_NEON=ON -D WITH_JASPER=OFF -D WITH_TBB=ON -D OPENCV_GENERATE_PKGCONFIG=ON ..
 else
-	cmake -D CMAKE_BUILD_TYPE=RELEASE -D CMAKE_INSTALL_PREFIX=/usr/local -D BUILD_SHARED_LIBS=${BUILD_SHARED_LIBS} -D OPENCV_EXTRA_MODULES_PATH=$(BUILD_DIR)opencv/opencv_contrib-$(OPENCV_VERSION)/modules -D BUILD_DOCS=OFF -D BUILD_EXAMPLES=OFF -D BUILD_TESTS=OFF -D BUILD_PERF_TESTS=ON -D BUILD_opencv_java=OFF -D BUILD_opencv_python=NO -D BUILD_opencv_python2=NO -D BUILD_opencv_python3=NO -D ENABLE_NEON=ON -D ENABLE_VFPV3=ON -D WITH_JASPER=OFF -D OPENCV_GENERATE_PKGCONFIG=ON ..
+	cmake -D CMAKE_BUILD_TYPE=RELEASE -D CMAKE_INSTALL_PREFIX=/usr/local -D BUILD_SHARED_LIBS=${BUILD_SHARED_LIBS} -D OPENCV_EXTRA_MODULES_PATH=$(BUILD_DIR)/opencv/opencv_contrib-$(OPENCV_VERSION)/modules -D BUILD_DOCS=OFF -D BUILD_EXAMPLES=OFF -D BUILD_TESTS=OFF -D BUILD_PERF_TESTS=ON -D BUILD_opencv_java=OFF -D BUILD_opencv_python=NO -D BUILD_opencv_python2=NO -D BUILD_opencv_python3=NO -D ENABLE_NEON=ON -D ENABLE_VFPV3=ON -D WITH_JASPER=OFF -D OPENCV_GENERATE_PKGCONFIG=ON ..
 endif
 	$(MAKE) -j $(shell nproc --all --ignore 1)
 	$(MAKE) preinstall
@@ -149,21 +149,21 @@ endif
 # Build OpenCV on Raspberry pi zero which has ARMv6.
 build_raspi_zero: build-clean build_raspi_zero_task
 build_raspi_zero_task:
-	cd $(BUILD_DIR)opencv/opencv-$(OPENCV_VERSION)/build
-	cmake -D CMAKE_BUILD_TYPE=RELEASE -D CMAKE_INSTALL_PREFIX=/usr/local -D BUILD_SHARED_LIBS=${BUILD_SHARED_LIBS} -D OPENCV_EXTRA_MODULES_PATH=$(BUILD_DIR)opencv/opencv_contrib-$(OPENCV_VERSION)/modules -D BUILD_DOCS=OFF -D BUILD_EXAMPLES=OFF -D BUILD_TESTS=OFF -D BUILD_PERF_TESTS=ON -D BUILD_opencv_java=OFF -D BUILD_opencv_python=NO -D BUILD_opencv_python2=NO -D BUILD_opencv_python3=NO -D ENABLE_VFPV2=ON -D WITH_JASPER=OFF -D OPENCV_GENERATE_PKGCONFIG=ON ..
+	cd $(BUILD_DIR)/opencv/opencv-$(OPENCV_VERSION)/build
+	cmake -D CMAKE_BUILD_TYPE=RELEASE -D CMAKE_INSTALL_PREFIX=/usr/local -D BUILD_SHARED_LIBS=${BUILD_SHARED_LIBS} -D OPENCV_EXTRA_MODULES_PATH=$(BUILD_DIR)/opencv/opencv_contrib-$(OPENCV_VERSION)/modules -D BUILD_DOCS=OFF -D BUILD_EXAMPLES=OFF -D BUILD_TESTS=OFF -D BUILD_PERF_TESTS=ON -D BUILD_opencv_java=OFF -D BUILD_opencv_python=NO -D BUILD_opencv_python2=NO -D BUILD_opencv_python3=NO -D ENABLE_VFPV2=ON -D WITH_JASPER=OFF -D OPENCV_GENERATE_PKGCONFIG=ON ..
 	$(MAKE) -j $(shell nproc --all --ignore 1)
 	$(MAKE) preinstall
 	cd -
 
 # Build OpenCV for NVidia Jetson with CUDA.
 build_jetson: build-clean build_jetson_task
 build_jetson_task:
-	cd $(BUILD_DIR)opencv/opencv-$(OPENCV_VERSION)/build
+	cd $(BUILD_DIR)/opencv/opencv-$(OPENCV_VERSION)/build
 	cmake -D CMAKE_BUILD_TYPE=RELEASE \
 		-D CMAKE_INSTALL_PREFIX=/usr/local \
 		-D EIGEN_INCLUDE_PATH=/usr/include/eigen3 \
 		-D BUILD_SHARED_LIBS=${BUILD_SHARED_LIBS} \
-		-D OPENCV_EXTRA_MODULES_PATH=$(BUILD_DIR)opencv/opencv_contrib-$(OPENCV_VERSION)/modules \
+		-D OPENCV_EXTRA_MODULES_PATH=$(BUILD_DIR)/opencv/opencv_contrib-$(OPENCV_VERSION)/modules \
 		-D BUILD_DOCS=OFF -D BUILD_EXAMPLES=OFF -D BUILD_TESTS=OFF -D BUILD_PERF_TESTS=ON -D BUILD_opencv_java=OFF -D BUILD_opencv_python=NO -D BUILD_opencv_python2=NO -D BUILD_opencv_python3=NO \
 		-D WITH_OPENCL=OFF \
 		-D WITH_CUDA=ON \
@@ -195,52 +195,52 @@ build_jetson_task:
 # Build OpenCV with non-free contrib modules.
 build_nonfree: build-clean build_nonfree_task
 build_nonfree_task:
-	cd $(BUILD_DIR)opencv/opencv-$(OPENCV_VERSION)/build
-	cmake -D CMAKE_BUILD_TYPE=RELEASE -D CMAKE_INSTALL_PREFIX=/usr/local -D BUILD_SHARED_LIBS=${BUILD_SHARED_LIBS} -D OPENCV_EXTRA_MODULES_PATH=$(BUILD_DIR)opencv/opencv_contrib-$(OPENCV_VERSION)/modules -D BUILD_DOCS=OFF -D BUILD_EXAMPLES=OFF -D BUILD_TESTS=OFF -D BUILD_PERF_TESTS=ON -D BUILD_opencv_java=NO -D BUILD_opencv_python=NO -D BUILD_opencv_python2=NO -D BUILD_opencv_python3=NO -D WITH_JASPER=OFF -D WITH_TBB=ON -DOPENCV_GENERATE_PKGCONFIG=ON -DOPENCV_ENABLE_NONFREE=ON ..
+	cd $(BUILD_DIR)/opencv/opencv-$(OPENCV_VERSION)/build
+	cmake -D CMAKE_BUILD_TYPE=RELEASE -D CMAKE_INSTALL_PREFIX=/usr/local -D BUILD_SHARED_LIBS=${BUILD_SHARED_LIBS} -D OPENCV_EXTRA_MODULES_PATH=$(BUILD_DIR)/opencv/opencv_contrib-$(OPENCV_VERSION)/modules -D BUILD_DOCS=OFF -D BUILD_EXAMPLES=OFF -D BUILD_TESTS=OFF -D BUILD_PERF_TESTS=ON -D BUILD_opencv_java=NO -D BUILD_opencv_python=NO -D BUILD_opencv_python2=NO -D BUILD_opencv_python3=NO -D WITH_JASPER=OFF -D WITH_TBB=ON -DOPENCV_GENERATE_PKGCONFIG=ON -DOPENCV_ENABLE_NONFREE=ON ..
 	$(MAKE) -j $(shell nproc --all --ignore 1)
 	$(MAKE) preinstall
 	cd -
 
 # Build OpenCV with openvino.
 build_openvino: build-clean build_openvino_task
 build_openvino_task:
-	cd $(BUILD_DIR)opencv/opencv-$(OPENCV_VERSION)/build
-	cmake -D CMAKE_BUILD_TYPE=RELEASE -D CMAKE_INSTALL_PREFIX=/usr/local -D BUILD_SHARED_LIBS=${BUILD_SHARED_LIBS} -D ENABLE_CXX11=ON -D OPENCV_EXTRA_MODULES_PATH=$(BUILD_DIR)opencv/opencv_contrib-$(OPENCV_VERSION)/modules -D WITH_INF_ENGINE=ON -D InferenceEngine_DIR=/usr/local/dldt/inference-engine/build -D BUILD_DOCS=OFF -D BUILD_EXAMPLES=OFF -D BUILD_TESTS=OFF -D BUILD_PERF_TESTS=ON -D BUILD_opencv_java=NO -D BUILD_opencv_python=NO -D BUILD_opencv_python2=NO -D BUILD_opencv_python3=NO -D WITH_JASPER=OFF -D WITH_TBB=ON -DOPENCV_GENERATE_PKGCONFIG=ON -DOPENCV_ENABLE_NONFREE=ON ..
+	cd $(BUILD_DIR)/opencv/opencv-$(OPENCV_VERSION)/build
+	cmake -D CMAKE_BUILD_TYPE=RELEASE -D CMAKE_INSTALL_PREFIX=/usr/local -D BUILD_SHARED_LIBS=${BUILD_SHARED_LIBS} -D ENABLE_CXX11=ON -D OPENCV_EXTRA_MODULES_PATH=$(BUILD_DIR)/opencv/opencv_contrib-$(OPENCV_VERSION)/modules -D WITH_INF_ENGINE=ON -D InferenceEngine_DIR=/usr/local/dldt/inference-engine/build -D BUILD_DOCS=OFF -D BUILD_EXAMPLES=OFF -D BUILD_TESTS=OFF -D BUILD_PERF_TESTS=ON -D BUILD_opencv_java=NO -D BUILD_opencv_python=NO -D BUILD_opencv_python2=NO -D BUILD_opencv_python3=NO -D WITH_JASPER=OFF -D WITH_TBB=ON -DOPENCV_GENERATE_PKGCONFIG=ON -DOPENCV_ENABLE_NONFREE=ON ..
 	$(MAKE) -j $(shell nproc --all --ignore 1)
 	$(MAKE) preinstall
 	cd -
 
 # Build OpenCV with cuda.
 build_cuda: build-clean build_cuda_task
 build_cuda_task:
-	cd $(BUILD_DIR)opencv/opencv-$(OPENCV_VERSION)/build
-	cmake -j $(shell nproc --all --ignore 1) -D CMAKE_BUILD_TYPE=RELEASE -D CMAKE_INSTALL_PREFIX=/usr/local -D BUILD_SHARED_LIBS=${BUILD_SHARED_LIBS} -D OPENCV_EXTRA_MODULES_PATH=$(BUILD_DIR)opencv/opencv_contrib-$(OPENCV_VERSION)/modules -D BUILD_DOCS=OFF -D BUILD_EXAMPLES=OFF -D BUILD_TESTS=OFF -D BUILD_PERF_TESTS=ON -D BUILD_opencv_java=NO -D BUILD_opencv_python=NO -D BUILD_opencv_python2=NO -D BUILD_opencv_python3=NO -D WITH_JASPER=OFF -D WITH_TBB=ON -DOPENCV_GENERATE_PKGCONFIG=ON -DWITH_CUDA=ON -DENABLE_FAST_MATH=1 -DCUDA_FAST_MATH=1 -DWITH_CUBLAS=1 -DCUDA_TOOLKIT_ROOT_DIR=/usr/local/cuda/ -DBUILD_opencv_cudacodec=OFF -D WITH_CUDNN=ON -D OPENCV_DNN_CUDA=ON -D CUDA_GENERATION=Auto ..
+	cd $(BUILD_DIR)/opencv/opencv-$(OPENCV_VERSION)/build
+	cmake -j $(shell nproc --all --ignore 1) -D CMAKE_BUILD_TYPE=RELEASE -D CMAKE_INSTALL_PREFIX=/usr/local -D BUILD_SHARED_LIBS=${BUILD_SHARED_LIBS} -D OPENCV_EXTRA_MODULES_PATH=$(BUILD_DIR)/opencv/opencv_contrib-$(OPENCV_VERSION)/modules -D BUILD_DOCS=OFF -D BUILD_EXAMPLES=OFF -D BUILD_TESTS=OFF -D BUILD_PERF_TESTS=ON -D BUILD_opencv_java=NO -D BUILD_opencv_python=NO -D BUILD_opencv_python2=NO -D BUILD_opencv_python3=NO -D WITH_JASPER=OFF -D WITH_TBB=ON -DOPENCV_GENERATE_PKGCONFIG=ON -DWITH_CUDA=ON -DENABLE_FAST_MATH=1 -DCUDA_FAST_MATH=1 -DWITH_CUBLAS=1 -DCUDA_TOOLKIT_ROOT_DIR=/usr/local/cuda/ -DBUILD_opencv_cudacodec=OFF -D WITH_CUDNN=ON -D OPENCV_DNN_CUDA=ON -D CUDA_GENERATION=Auto ..
 	$(MAKE) -j $(shell nproc --all --ignore 1)
 	$(MAKE) preinstall
 	cd -
 
 # Build OpenCV statically linked
 build_static: build-clean build_static_task
 build_static_task:
-	cd $(BUILD_DIR)opencv/opencv-$(OPENCV_VERSION)/build
-	cmake -D CMAKE_BUILD_TYPE=RELEASE -D CMAKE_INSTALL_PREFIX=/usr/local -D BUILD_SHARED_LIBS=OFF -D OPENCV_EXTRA_MODULES_PATH=$(BUILD_DIR)opencv/opencv_contrib-$(OPENCV_VERSION)/modules -D BUILD_DOCS=OFF -D BUILD_EXAMPLES=OFF -D BUILD_TESTS=OFF -D BUILD_PERF_TESTS=ON -D BUILD_opencv_java=NO -D BUILD_opencv_python=NO -D BUILD_opencv_python2=NO -D BUILD_opencv_python3=NO -DWITH_JASPER=OFF -DWITH_QT=OFF -DWITH_GTK=OFF -DWITH_FFMPEG=OFF -DWITH_TIFF=OFF -DWITH_WEBP=OFF -DWITH_PNG=OFF -DWITH_1394=OFF -DWITH_OPENJPEG=OFF -DOPENCV_GENERATE_PKGCONFIG=ON ..
+	cd $(BUILD_DIR)/opencv/opencv-$(OPENCV_VERSION)/build
+	cmake -D CMAKE_BUILD_TYPE=RELEASE -D CMAKE_INSTALL_PREFIX=/usr/local -D BUILD_SHARED_LIBS=OFF -D OPENCV_EXTRA_MODULES_PATH=$(BUILD_DIR)/opencv/opencv_contrib-$(OPENCV_VERSION)/modules -D BUILD_DOCS=OFF -D BUILD_EXAMPLES=OFF -D BUILD_TESTS=OFF -D BUILD_PERF_TESTS=ON -D BUILD_opencv_java=NO -D BUILD_opencv_python=NO -D BUILD_opencv_python2=NO -D BUILD_opencv_python3=NO -DWITH_JASPER=OFF -DWITH_QT=OFF -DWITH_GTK=OFF -DWITH_FFMPEG=OFF -DWITH_TIFF=OFF -DWITH_WEBP=OFF -DWITH_PNG=OFF -DWITH_1394=OFF -DWITH_OPENJPEG=OFF -DOPENCV_GENERATE_PKGCONFIG=ON ..
 	$(MAKE) -j $(shell nproc --all --ignore 1)
 	$(MAKE) preinstall
 	cd -
 
 # Build OpenCV with cuda.
 build_all: build-clean build_all_task
 build_all_task:
-	cd $(BUILD_DIR)opencv/opencv-$(OPENCV_VERSION)/build
-	cmake -j $(shell nproc --all --ignore 1) -D CMAKE_BUILD_TYPE=RELEASE -D CMAKE_INSTALL_PREFIX=/usr/local -D BUILD_SHARED_LIBS=${BUILD_SHARED_LIBS} -D ENABLE_CXX11=ON -D OPENCV_EXTRA_MODULES_PATH=$(BUILD_DIR)opencv/opencv_contrib-$(OPENCV_VERSION)/modules -D WITH_INF_ENGINE=ON -D InferenceEngine_DIR=/usr/local/dldt/inference-engine/build -D BUILD_DOCS=OFF -D BUILD_EXAMPLES=OFF -D BUILD_TESTS=OFF -D BUILD_PERF_TESTS=ON -D BUILD_opencv_java=NO -D BUILD_opencv_python=NO -D BUILD_opencv_python2=NO -D BUILD_opencv_python3=NO -D WITH_JASPER=OFF -D WITH_TBB=ON -DOPENCV_GENERATE_PKGCONFIG=ON -DWITH_CUDA=ON -DENABLE_FAST_MATH=1 -DCUDA_FAST_MATH=1 -DWITH_CUBLAS=1 -DCUDA_TOOLKIT_ROOT_DIR=/usr/local/cuda/ -DBUILD_opencv_cudacodec=OFF -D WITH_CUDNN=ON -D OPENCV_DNN_CUDA=ON -D CUDA_GENERATION=Auto ..
+	cd $(BUILD_DIR)/opencv/opencv-$(OPENCV_VERSION)/build
+	cmake -j $(shell nproc --all --ignore 1) -D CMAKE_BUILD_TYPE=RELEASE -D CMAKE_INSTALL_PREFIX=/usr/local -D BUILD_SHARED_LIBS=${BUILD_SHARED_LIBS} -D ENABLE_CXX11=ON -D OPENCV_EXTRA_MODULES_PATH=$(BUILD_DIR)/opencv/opencv_contrib-$(OPENCV_VERSION)/modules -D WITH_INF_ENGINE=ON -D InferenceEngine_DIR=/usr/local/dldt/inference-engine/build -D BUILD_DOCS=OFF -D BUILD_EXAMPLES=OFF -D BUILD_TESTS=OFF -D BUILD_PERF_TESTS=ON -D BUILD_opencv_java=NO -D BUILD_opencv_python=NO -D BUILD_opencv_python2=NO -D BUILD_opencv_python3=NO -D WITH_JASPER=OFF -D WITH_TBB=ON -DOPENCV_GENERATE_PKGCONFIG=ON -DWITH_CUDA=ON -DENABLE_FAST_MATH=1 -DCUDA_FAST_MATH=1 -DWITH_CUBLAS=1 -DCUDA_TOOLKIT_ROOT_DIR=/usr/local/cuda/ -DBUILD_opencv_cudacodec=OFF -D WITH_CUDNN=ON -D OPENCV_DNN_CUDA=ON -D CUDA_GENERATION=Auto ..
 	$(MAKE) -j $(shell nproc --all --ignore 1)
 	$(MAKE) preinstall
 	cd -
 
 # Cleanup temporary build files.
 clean:
 	go clean --cache
-	rm -rf $(BUILD_DIR)opencv
+	rm -rf $(BUILD_DIR)/opencv
 
 # Cleanup old library files.
 sudo_pre_install_clean:
@@ -294,7 +294,7 @@ install_all: deps download download_openvino sudo_pre_install_clean build_openvi
 
 # Install system wide.
 sudo_install:
-	cd $(BUILD_DIR)opencv/opencv-$(OPENCV_VERSION)/build
+	cd $(BUILD_DIR)/opencv/opencv-$(OPENCV_VERSION)/build
 	sudo $(MAKE) install
 	sudo ldconfig
 	cd -