From f42a1a5908b2c6ded766256271a7ffaf2f133105 Mon Sep 17 00:00:00 2001
From: Herbert Wolverson <herberticus@gmail.com>
Date: Tue, 21 Mar 2023 13:17:46 +0000
Subject: [PATCH] build_rust.sh checks for dependencies

On start, the "build_rust.sh" script checks for the availability
of bpftool, pkg-config and clang/LLVM. If these aren't found, it
fires up an "apt-get install" for the appropriate packages.
---
 src/build_rust.sh | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/src/build_rust.sh b/src/build_rust.sh
index 1fff200e..cc5547eb 100755
--- a/src/build_rust.sh
+++ b/src/build_rust.sh
@@ -8,6 +8,34 @@
 #
 # Don't forget to setup `/etc/lqos.conf`
 
+# Check Pre-Requisites
+if ! bpftool help &> /dev/null
+then
+    echo "bpftool is not installed."
+    echo "Let's try to install it"
+    sudo apt-get install linux-tools-common linux-tools-`uname -r`
+else
+    echo "bpftool found."
+fi
+
+if ! pkg-config --help &> /dev/null
+then
+    echo "pkg-config is not installed."
+    echo "Let's try to install it"
+    sudo apt-get install pkg-config
+else
+    echo "pkg-config found."
+fi
+
+if ! clang -v &> /dev/null
+then
+    echo "LLVM/clang is not installed."
+    echo "Let's try to install it"
+    sudo apt-get install llvm libelf-dev gcc gcc-multilib libbpf-dev
+else
+    echo "LLVM/clang found."
+fi
+
 # To enable heavy debug mode (slow)
 #BUILD_FLAGS=""
 #TARGET=debug