From dab606c70cf29945071a040f5edd4bbf4dde63eb Mon Sep 17 00:00:00 2001
From: luofeng14 <luofeng13@huawei.com>
Date: Mon, 6 May 2024 09:51:22 +0800
Subject: [PATCH] Add usage documents

---
 README.en.md       | 41 ++++++++++++++++++++++++++++++++---------
 README.md          | 42 ++++++++++++++++++++++++++++++++----------
 classic-flang.spec |  6 ++++--
 3 files changed, 68 insertions(+), 21 deletions(-)

diff --git a/README.en.md b/README.en.md
index 6aef079..053c3e0 100644
--- a/README.en.md
+++ b/README.en.md
@@ -4,19 +4,42 @@
 Classic Flang is a Fortran language front-end designed for integration with LLVM.
 
 #### Software Architecture
-Software architecture description
+Applicable to the X86 and Aarch64 architectures
 
 #### Installation
-
-1.  xxxx
-2.  xxxx
-3.  xxxx
+1.  Install via yum and dnf
+```
+yum install classic-flang-llvm
+yum install classic-flang
+```
+2.  Or download the rpm package and install.
+```
+rpm -ivh classic-flang-llvm-17.0.6-1.*.aarch64.rpm
+rpm -ivh classic-flang-17.0.6-1.*.aarch64.rpm
+```
 
 #### Instructions
-
-1.  xxxx
-2.  xxxx
-3.  xxxx
+1.  Configuring Environment Variables
+```
+# Configure the executable file path of classi-flang
+export PATH=/opt/openEuler/classic-flang-17/root/bin:$PATH
+# Configure the dynamic library path of classi-flang
+export LIBRARY_PATH=/opt/openEuler/classic-flang-17/root/lib64:$LIBRARY_PATH
+# Configure the header file path when classi-flang and clang compiles C
+export C_INCLUDE_PATH=/opt/openEuler/classic-flang-17/root/include:$C_INCLUDE_PATH
+# Configure the header file path when classi-flang and clang compiles C++
+export CPLUS_INCLUDE_PATH=/opt/openEuler/classic-flang-17/root/include:$CPLUS_INCLUDE_PATH
+# Configure runtime dynamic library Path
+export LD_LIBRARY_PATH=/opt/openEuler/classic-flang-17/root/lib64:$LD_LIBRARY_PATH
+```
+2.  Compiled with classic-flang
+```
+make CC=clang FC=flang F77=flang
+```
+or
+```
+flang test.f90
+```
 
 #### Contribution
 
diff --git a/README.md b/README.md
index a02991b..e986fbc 100644
--- a/README.md
+++ b/README.md
@@ -4,20 +4,42 @@
 Classic Flang is a Fortran language front-end designed for integration with LLVM.
 
 #### 软件架构
-软件架构说明
-
+适用于X86, Aarch64架构
 
 #### 安装教程
-
-1.  xxxx
-2.  xxxx
-3.  xxxx
+1.  通过yum、dnf安装即可
+```
+yum install classic-flang-llvm
+yum install classic-flang
+```
+2.  或者下载rpm包安装
+```
+rpm -ivh classic-flang-llvm-17.0.6-1.*.aarch64.rpm
+rpm -ivh classic-flang-17.0.6-1.*.aarch64.rpm
+```
 
 #### 使用说明
-
-1.  xxxx
-2.  xxxx
-3.  xxxx
+1.  配置环境变量
+```
+# 配置classi-flang可执行文件路径
+export PATH=/opt/openEuler/classic-flang-17/root/bin:$PATH
+# 配置classi-flang编译时需要的动态链接库路径
+export LIBRARY_PATH=/opt/openEuler/classic-flang-17/root/lib64:$LIBRARY_PATH
+# 配置classi-flang编译C时头文件路径
+export C_INCLUDE_PATH=/opt/openEuler/classic-flang-17/root/include:$C_INCLUDE_PATH
+# 配置classi-flang编译C++时头文件路径
+export CPLUS_INCLUDE_PATH=/opt/openEuler/classic-flang-17/root/include:$CPLUS_INCLUDE_PATH
+# 配置运行时动态链接库路径
+export LD_LIBRARY_PATH=/opt/openEuler/classic-flang-17/root/lib64:$LD_LIBRARY_PATH
+```
+2.  使用classic-flang编译
+```
+make CC=clang FC=flang F77=flang
+```
+或者
+```
+flang test.f90
+```
 
 #### 参与贡献
 
diff --git a/classic-flang.spec b/classic-flang.spec
index 926c923..3b03996 100644
--- a/classic-flang.spec
+++ b/classic-flang.spec
@@ -29,7 +29,7 @@
 
 Name:    %{pkg_name}
 Version: %{flang_version}
-Release: 1
+Release: 2
 Summary: a Fortran language front-end designed for integration with LLVM
 
 License: Apache-2.0 WITH LLVM-exception
@@ -63,7 +63,6 @@ Flang header files.
 
 %package llvm
 Summary: llvm dependency by classic-flang
-Requires: %{name}%{?_isa} = %{version}-%{release}
 
 %description llvm
 LLVM bin include lib files.
@@ -221,5 +220,8 @@ popd
 %exclude  %{install_prefix}/bin/llvm-symbolizer
 
 %changelog
+* Mon Apr 29 2024 luofeng <luofeng13@huawei.com> - 17.0.6-2
+- Add usage documents
+
 * Fri Mar 1 2024 luofeng <luofeng13@huawei.com> - 17.0.6-1
 - Enable classic flang rpm build
-- 
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