Added linux build steps (#366)
* refactored and added steps for linux
* libbpf build script for linux
* refactored headings
diff --git a/README.md b/README.md
index 3c37b6b..b6fdb66 100644
--- a/README.md
+++ b/README.md
@@ -28,13 +28,7 @@
git submodule update --init --recursive
```
-## Building with CMake
-A build system for compiling and testing ubpf is generated for Windows, Linux and macOS platforms using [`cmake`](https://cmake.org/):
-
-```
-cmake -S . -B build -DUBPF_ENABLE_TESTS=true
-cmake --build build --config Debug
-```
+## Preparing system for build
In order to prepare your system to successfully generate the build system using CMake, follow the platform-specific instructions below.
@@ -83,7 +77,19 @@
```
### Linux
-TBD
+
+```bash
+./scripts/build-libbpf.sh
+```
+
+## Building with CMake
+
+A build system for compiling and testing ubpf is generated for Windows, Linux and macOS platforms using [`cmake`](https://cmake.org/):
+
+```
+cmake -S . -B build -DUBPF_ENABLE_TESTS=true
+cmake --build build --config Debug
+```
## Running the tests
diff --git a/scripts/build-libbpf.sh b/scripts/build-libbpf.sh
new file mode 100755
index 0000000..21971bb
--- /dev/null
+++ b/scripts/build-libbpf.sh
@@ -0,0 +1,24 @@
+#!/usr/bin/bash
+# Copyright (c) Microsoft Corporation
+# SPDX-License-Identifier: MIT
+
+git clone https://github.com/libbpf/libbpf.git
+if [ $? -ne 0 ]; then
+ echo "Could not clone the libbpf repository."
+ exit 1
+fi
+
+# Jump in to the src directory to do the actual build.
+cd libbpf/src
+
+make
+if [ $? -ne 0 ]; then
+ echo "Could not build libbpf source."
+ exit 1
+fi
+
+# Now that the build was successful, install the library (shared
+# object and header files) in a spot where FindLibBpf.cmake can
+# find it when it is being built.
+sudo PREFIX=/usr LIBDIR=/usr/lib/x86_64-linux-gnu/ make install
+exit 0
