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   安装依赖包：

yum update -y
yum install autoconf automake libtool libjpeg-devel libpng-devel libtiff-devel zlib-devel
yum install automake libtool bzip2 -y

   手动编译安装GCC（因系统默认安装的GCC版本比较低）：

wget http://ftp.gnu.org/gnu/gcc/gcc-11.3.0/gcc-11.3.0.tar.gz
tar xf gcc-11.3.0.tar.gz 
cd gcc-11.3.0
./contrib/download_prerequisites
mkdir build
cd build/
../configure --disable-multilib --enable-languages=c,c++
make -j$(nproc)  && make install
gcc --version
gcc (GCC) 11.3.0

   安装leptonica：

wget http://www.leptonica.org/source/leptonica-1.82.0.tar.gz
tar xf leptonica-1.82.0.tar.gz 
cd leptonica-1.82.0
./configure --prefix=/usr/local/leptonica --with-libtiff
make && make installvim /etc/profile
# leptonica环境变量
PKG_CONFIG_PATH=$PKG_CONFIG_PATH:/usr/local/leptonica/lib/pkgconfig
export PKG_CONFIG_PATH
CPLUS_INCLUDE_PATH=$CPLUS_INCLUDE_PATH:/usr/local/leptonica/include/leptonica
export CPLUS_INCLUDE_PATH
C_INCLUDE_PATH=$C_INCLUDE_PATH:/usr/local/leptonica/include/leptonica
export C_INCLUDE_PATH
LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/leptonica/lib
export LD_LIBRARY_PATH
LIBRARY_PATH=$LIBRARY_PATH:/usr/local/leptonica/lib
export LIBRARY_PATH
LIBLEPT_HEADERSDIR=/usr/local/leptonica/include/leptonica
export LIBLEPT_HEADERSDIRsource /etc/profile

   安装tesseract5.4版本：

git clone https://github.com/tesseract-ocr/tesseract.git
cd  tesseract
git checkout 5.4.1
./autogen.sh
./configure --prefix=/usr/local/tesseract
make && make install vim  /etc/profile
# tesseract
PATH=$PATH:/usr/local/tesseract/bin
source /etc/profile

tesseract --version
tesseract 5.4.1leptonica-1.82.0libjpeg 6b (libjpeg-turbo 1.2.90) : libpng 1.5.13 : zlib 1.2.7Found AVX512BWFound AVX512FFound AVX2Found AVXFound FMAFound SSE4.1Found OpenMP 201511