--- /dev/null
+From bb405e3c274ca8860c974a720071d346b16c8462 Mon Sep 17 00:00:00 2001
+From: Tomas Kopal <Tomas.Kopal@eccam.com>
+Date: Tue, 6 Oct 2020 13:38:08 +0200
+Subject: [PATCH] Don't check for ebpf dependencies if ebpf is disabled.
+
+---
+ configure.ac | 56 +++++++++++++++++++++++++++-------------------------
+ 1 file changed, 29 insertions(+), 27 deletions(-)
+
+diff --git a/configure.ac b/configure.ac
+index 57f6c0b1cb3a..5f13b4feb0d1 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -989,36 +989,38 @@ AM_CONDITIONAL([ENABLE_PLUGIN_PERF], [test "${enable_plugin_perf}" = "yes"])
+ # -----------------------------------------------------------------------------
+ # ebpf.plugin
+
+-PKG_CHECK_MODULES(
+- [LIBELF],
+- [libelf],
+- [have_libelf=yes],
+- [have_libelf=no]
+-)
++if test "${build_target}" = "linux" -a "${enable_ebpf}" != "no"; then
++ PKG_CHECK_MODULES(
++ [LIBELF],
++ [libelf],
++ [have_libelf=yes],
++ [have_libelf=no]
++ )
+
+-AC_CHECK_TYPE(
+- [struct bpf_prog_info],
+- [have_bpf=yes],
+- [have_bpf=no],
+- [#include <linux/bpf.h>]
+-)
++ AC_CHECK_TYPE(
++ [struct bpf_prog_info],
++ [have_bpf=yes],
++ [have_bpf=no],
++ [#include <linux/bpf.h>]
++ )
+
+-AC_CHECK_FILE(
+- externaldeps/libbpf/libbpf.a,
+- [have_libbpf=yes],
+- [have_libbpf=no]
+-)
++ AC_CHECK_FILE(
++ externaldeps/libbpf/libbpf.a,
++ [have_libbpf=yes],
++ [have_libbpf=no]
++ )
+
+-AC_MSG_CHECKING([if ebpf.plugin should be enabled])
+-if test "${build_target}" = "linux" -a \
+- "${enable_ebpf}" != "no" -a \
+- "${have_libelf}" = "yes" -a \
+- "${have_bpf}" = "yes" -a \
+- "${have_libbpf}" = "yes"; then
+- OPTIONAL_BPF_CFLAGS="${LIBELF_CFLAGS} -I externaldeps/libbpf/include"
+- OPTIONAL_BPF_LIBS="externaldeps/libbpf/libbpf.a ${LIBELF_LIBS}"
+- AC_DEFINE([HAVE_LIBBPF], [1], [libbpf usability])
+- enable_ebpf="yes"
++ AC_MSG_CHECKING([if ebpf.plugin should be enabled])
++ if test "${have_libelf}" = "yes" -a \
++ "${have_bpf}" = "yes" -a \
++ "${have_libbpf}" = "yes"; then
++ OPTIONAL_BPF_CFLAGS="${LIBELF_CFLAGS} -I externaldeps/libbpf/include"
++ OPTIONAL_BPF_LIBS="externaldeps/libbpf/libbpf.a ${LIBELF_LIBS}"
++ AC_DEFINE([HAVE_LIBBPF], [1], [libbpf usability])
++ enable_ebpf="yes"
++ else
++ enable_ebpf="no"
++ fi
+ else
+ enable_ebpf="no"
+ fi