在全志Tina Linux的Ubuntu20.04交叉编译OpenCV 4.5.2

Linux tao 5.8.0-59-generic #66~20.04.1-Ubuntu SMP Thu Jun 17 11:14:10 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux

cmake: 3.16.3

工具链选用: (Tina SDK 自带)

tina-d1-open/out/d1-nezha/staging_dir/toolchain/bin/riscv64-unknown-linux-gnu-gcc等...

版本: gcc version 8.1.0 (C-SKY RISCV Tools V1.8.4 B20200702)

要编译的OpenCV版本: 4.5.2

opencv-4.5.2 mkdir build-tina && cd build-tina

# 能编尽编原则, 可自行删减.

cmake  

-DCMAKE_C_COMPILER=riscv64-unknown-linux-gnu-gcc

-DCMAKE_CXX_COMPILER=riscv64-unknown-linux-gnu-g++

-DOPENCV_FORCE_3RDPARTY_BUILD=ON

-DBUILD_ZLIB=ON

-DBUILD_SHARED_LIBS=ON

-DCMAKE_BUILD_TYPE=Release

-DCMAKE_INSTALL_PREFIX=./output ..

# 嗯, 是Xeon.

make -j12

#diff tmp/opencv-4.5.2/CMakeLists.txt opencv-4.5.2/CMakeLists.txt

223,227c223,224

< OCV_OPTION(BUILD_IPP_IW             "Build IPP IW from source"           (NOT MINGW OR OPENCV_FORCE_3RDPARTY_BUILD) IF (X86_64 OR X86) AND NOT WINRT )

< OCV_OPTION(BUILD_ITT                "Build Intel ITT from source"

<     (NOT MINGW OR OPENCV_FORCE_3RDPARTY_BUILD)

<     IF (X86_64 OR X86 OR ARM OR AARCH64 OR PPC64 OR PPC64LE) AND NOT WINRT AND NOT APPLE_FRAMEWORK

< )

---

> OCV_OPTION(BUILD_IPP_IW             "Build IPP IW from source"           ON)

> OCV_OPTION(BUILD_ITT                "Build Intel ITT from source" OFF)

416c413

< OCV_OPTION(WITH_ITT "Include Intel ITT support" ON

---

> OCV_OPTION(WITH_ITT "Include Intel ITT support" OFF

614c611

<   include(cmake/OpenCVDetectPython.cmake)

---

>     #  include(cmake/OpenCVDetectPython.cmake)

731a729,730

> set(PYTHON_DEFAULT_AVAILABLE 0)

> set(ENABLE_PYLINT 0)

1454a1454,1456

> set(WITH_IPP 0)

> set(HAVE_IPP 0)

> set(HAVE_IPP_IW 0)

1608a1611,1612

> set(BUILD_opencv_python2 0)

> set(BUILD_opencv_python3 0)

base64 -d CMakeLists.txt.bmp > CMakeLists.txt

# -d 是复制快捷方式. *号会把实体也一起复制.

cp -d tina-d1-open/prebuilt/gcc/linux-x86/riscv/toolchain-thead-glibc/riscv64-glibc-gcc-thead_20200702/riscv64-unknown-linux-gnu/lib64/lp64d/libatomic.so* (target_path)