From 683d65f66220c9c536217de2f74848599f8bb017 Mon Sep 17 00:00:00 2001
From: Rain Park <1162678210@qq.com>
Date: Sun, 16 Jul 2023 13:43:10 +0800
Subject: [PATCH 1/2] fix build problem

Signed-off-by: Rain Park <1162678210@qq.com>
---
 Makefile               | 2 +-
 tools/bpftool/Makefile | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/Makefile b/Makefile
index 7cb1448..6bb4ff3 100644
--- a/Makefile
+++ b/Makefile
@@ -33,7 +33,7 @@ libbpf:
 	@mkdir -p $(SYSROOT)
 	make -C lib/libbpf all
 
-bpftools:
+bpftools: libbpf
 	@mkdir -p $(SYSROOT)
 	make -C tools/bpftool all
 
diff --git a/tools/bpftool/Makefile b/tools/bpftool/Makefile
index 69acf25..68f1281 100644
--- a/tools/bpftool/Makefile
+++ b/tools/bpftool/Makefile
@@ -40,7 +40,7 @@ BPF_CFLAGS += -I$(or ,.) -Ikernel/ -I$(SYSROOT)/include \
 SKELS_CFLAGS := -g -O2 -Wall -I$(or ,.) -I$(SYSROOT)/include -I$(TOPDIR)/include/uapi
 BPF_LDFLAGS += $(EXTRA_LDFLAGS) -L$(SYSROOT)/lib
 
-LIBS = -lelf -lz $(LIBBPF)
+LIBS = $(LIBBPF) -lelf -lz 
 ifeq ($(USE_LIBCAP),y)
 LIBS += -lcap
 BPF_CFLAGS += -DUSE_LIBCAP

From 0c06deb22c3210a6d24cebdd73451023c5de1fce Mon Sep 17 00:00:00 2001
From: Rain Park <1162678210@qq.com>
Date: Sun, 16 Jul 2023 13:56:43 +0800
Subject: [PATCH 2/2] add Installation and compilation guide

Signed-off-by: Rain Park <1162678210@qq.com>
---
 README.md | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/README.md b/README.md
index bb65300..a74ca4e 100644
--- a/README.md
+++ b/README.md
@@ -21,6 +21,26 @@ EMF(ebpf-module-framework)是一个基eBPF的应用程序框架，主要用于
 
 注：静态方式比如简单做成类似于C语言的.a即可。动态方式也可以在EMF当中使用dlopen之类的函数去读取动态eBPF模块当中对应的符号表（比如struct module符号，该符号位全局符号）。
 
+## 构建
+
+**依赖:**
+- libelf
+- zlib
+
+```
+$ git clone https://github.com/OpenCloudOS/EMF-ebpf-module-framework.git
+```
+**Ubuntu:**
+
+下载依赖包
+```
+$ sudo apt-get install -y  make clang zlib1g-dev llvm libelf-dev libbpf-dev libbpfcc-dev linux-tools-$(uname -r) linux-headers-$(uname -r)
+```
+编译
+```
+$ make -j$(nproc)
+```
+
 ## EMF模块介绍
 EMF支持两种加载模式：一、EMF模块静态链接；二、EMF模块动态加载。通常，在入口函数main启动后(core/emf.c)，EMF框架会去主动查找静态模块，分别去执行静态模块的初始化函数和加载函数；然后EMF才会去读取动态模块，并处理动态模块的初始化和加载函数。所以这里有一个优先级的关系，即静态模块的优先级永远高于动态模块的优先级。