yum install autoconf automake libtool libjpeg-devel libpng-devel libtiff-devel zlib-devel
wget http://www.leptonica.org/source/leptonica-1.74.4.tar.gz tar zxvf leptonica-1.74.4.tar.gz leptonica-1.74.4 cd leptonica-1.74.4/ ./configure --prefix=/usr/local/leptonica make make install
vi /etc/profile 添加: 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=$LIBRARY_PATH:/usr/local/leptonica/lib export LIBRARY_PATH LIBLEPT_HEADERSDIR=/usr/local/leptonica/include/leptonica export LIBLEPT_HEADERSDIR source /etc/profile
git clone https://github.com/tesseract-ocr/tesseract.git cd tesseract ./autogen.sh ./configure --prefix=/usr/local/tesseract --with-extra-libraries=/usr/local/leptonica/lib make make install make training make training-install
vi /etc/profile 添加: PATH=$PATH:/usr/local/tesseract/bin export PATH source /etc/profile
六、測試安裝是否成功git
tesseract -v 顯示: tesseract 4.00.00alpha leptonica-1.74.4 libgif 4.1.6(?) : libjpeg 6b (libjpeg-turbo 1.2.90) : libpng 1.5.13 : zlib 1.2.7 : libwebp 0.3.0 Found SSE