From: Petter Reinholdtsen <pere@hungry.com>
Date: Sat, 3 May 2025 03:50:32 +0000 (+0200)
Subject: Changed how ebpf build find kernel headers from running to installed version.
X-Git-Tag: archive/raspbian/1.6.9-3+rpi1~1^2~6
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=53e12e434662eb8c926771e31a7d1c019b3501ed;p=opensnitch.git

Changed how ebpf build find kernel headers from running to installed version.

Forwarded: https://github.com/evilsocket/opensnitch/pull/1327
Last-Update: 2025-04-20

The installed kernel do not match running kernel in chroots and containers.
Last-Update: 2025-04-20
Gbp-Pq: Name 1000-installed-kernel-headers.patch
---

diff --git a/ebpf_prog/Makefile b/ebpf_prog/Makefile
index e92aeef..d919ea4 100644
--- a/ebpf_prog/Makefile
+++ b/ebpf_prog/Makefile
@@ -3,8 +3,9 @@
 # On Debian based distros we need the following 2 directories.
 # Otherwise, just use the kernel headers from the kernel sources.
 #
-KERNEL_DIR ?= /lib/modules/$(shell uname -r)/source
-KERNEL_HEADERS ?= /usr/src/linux-headers-$(shell uname -r)/
+KERNEL_VER ?= $(shell ls -d /lib/modules/*/source | sort | tail -1 | cut -d/ -f4)
+KERNEL_DIR ?= /lib/modules/$(KERNEL_VER)/source
+KERNEL_HEADERS ?= /usr/src/linux-headers-$(KERNEL_VER)/
 CLANG ?= clang
 LLC ?= llc
 LLVM_STRIP ?= llvm-strip -g