fix paddle_c path

deploy/paddleocr-go/README.md

@@ -150,12 +150,13 @@ make install
 ```shell
 # 创建c++推理库文件夹
 mkdir -p ~/paddle_inference
-export PADDLE_ROOT=`$HOME/paddle_inference`
+export PADDLE_INFER=`$HOME/paddle_inference`
 
 # 执行编译
+export PADDLE_ROOT=`pwd`
 mkdir build
 cd build
-cmake -DFLUID_INFERENCE_INSTALL_DIR=$PADDLE_ROOT \
+cmake -DFLUID_INFERENCE_INSTALL_DIR=$PADDLE_INFER \
       -DWITH_CONTRIB=OFF \
       -DCMAKE_BUILD_TYPE=Release \
       -DWITH_PYTHON=OFF \
@@ -178,17 +179,23 @@ build/fluid_inference_c_install_dir
 └── version.txt
 ```
 
-其中`paddle`就是Paddle库的C语言预测API，`version.txt`中包含当前预测库的版本信息。
+其中`paddle`就是Paddle库的C语言预测API，`version.txt`中包含当前预测库的版本信息。最后，将C推理库的动态库和静态库配置到环境变量。
 
+```shell
+echo "export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$PADDLE_ROOT/build/fluid_inference_c_install_dir/paddle/lib" >> ~/.bashrc
+echo "export LIBRARY_PATH=$LIBRARY_PATH:$PADDLE_ROOT/build/fluid_inference_c_install_dir/paddle/lib" >> ~/.bashrc
+
+souce ~/.bashrc
+```
 
 ## 2. paddleocr-go预测库
 
 ### 2.1 安装paddleocr-go
 
-直接执行安装命令
+确保C推理库已配置到环境变量，然后直接执行安装命令
 
 ```shell
-go get github.com/PaddlePaddle/PaddleOCR/deploy/paddleocr-go
+go get -u github.com/PaddlePaddle/PaddleOCR/deploy/paddleocr-go
 ```
 
 ### 2.2 相关使用API
@@ -265,15 +272,10 @@ git clone https://github.com/PaddlePaddle/PaddleOCR
 cd PaddleOCR/deploy/paddleocr-go
 ```
 
-- 准备paddle_c环境
-
-```shell
-cp -r ~/paddle/build/fluid_inference_c_install_dir/* paddle_c/
-```
-
 - 编译demo
 
 ```shell
+# 确保C动态库路径已在环境变量中
 go build demo.go
 ```
 

deploy/paddleocr-go/paddle/common.go

 package paddle
 
 // #cgo CFLAGS: -I../paddle_c/paddle/include
-// #cgo LDFLAGS: -L${SRCDIR}/../paddle_c/paddle/lib -Wl,-rpath=\$ORIGIN/paddle_c/paddle/lib -lpaddle_fluid_c
+// #cgo LDFLAGS: -lpaddle_fluid_c
 // #include <stdbool.h>
-// #include "paddle_c_api.h"
 import "C"
 import "fmt"
 

deploy/paddleocr-go/paddle/config.go

 package paddle
 
-// #cgo CFLAGS: -I../paddle_c/paddle/include
-// #cgo LDFLAGS: -L${SRCDIR}/../paddle_c/paddle/lib -Wl,-rpath,$ORIGIN/paddle_c/paddle/lib -lpaddle_fluid_c
 // #include <stdbool.h>
 // #include <stdlib.h>
 // #include <paddle_c_api.h>

deploy/paddleocr-go/paddle/predictor.go

 package paddle
 
-// #cgo CFLAGS: -I../paddle_c/paddle/include
-// #cgo LDFLAGS: -L${SRCDIR}/../paddle_c/paddle/lib -Wl,-rpath,$ORIGIN/paddle_c/paddle/lib -lpaddle_fluid_c
 // #include <stdbool.h>
 // #include "paddle_c_api.h"
 import "C"

deploy/paddleocr-go/paddle/tensor.go

 package paddle
 
-// #cgo CFLAGS: -I../paddle_c/paddle/include
-// #cgo LDFLAGS: -L${SRCDIR}/../paddle_c/paddle/lib -Wl,-rpath,$ORIGIN/paddle_c/paddle/lib -lpaddle_fluid_c
 // #include <stdbool.h>
 // #include <stdlib.h>
 // #include <string.h>

deploy/paddleocr-go/paddle_c/README.md

-# Paddle C预测库目录
-
-## 编译安装
-使用cmake编译paddle，并打开-DON_INFER=ON，在编译目录下得到paddle_inference_c_install_dir,将该目录下的所有文件复制到本目录下。
-
-详细编译步骤请参见[README.md](../README.md) 或者官方文档指导 https://www.paddlepaddle.org.cn/documentation/docs/zh/advanced_guide/inference_deployment/inference/build_and_install_lib_cn.html#id12
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