Merge pull request #2191 from nghttp2/bump-libbpf

Bump libbpf to v1.4.2

.github/workflows/build.yml

@@ -5,7 +5,7 @@ on: [push, pull_request]
 permissions: read-all
 
 env:
-  LIBBPF_VERSION: v1.3.0
+  LIBBPF_VERSION: v1.4.2
   OPENSSL1_VERSION: 1_1_1w+quic
   OPENSSL3_VERSION: 3.1.5+quic
   BORINGSSL_VERSION: 6ab7c1482bf4cdc91c87bc512aaf68ffb18975ec

README.rst

@@ -144,7 +144,7 @@ Use ``--with-libbpf`` configure option to build eBPF program.
 libelf-dev is needed to build libbpf.
 
 For Ubuntu 20.04, you can build libbpf from `the source code
-<https://github.com/libbpf/libbpf/releases/tag/v1.3.0>`_.  nghttpx
+<https://github.com/libbpf/libbpf/releases/tag/v1.4.2>`_.  nghttpx
 requires eBPF program for reloading its configuration and hot swapping
 its executable.
 
@@ -381,7 +381,7 @@ from source:
 
 .. code-block:: text
 
-   $ git clone --depth 1 -b v1.3.0 https://github.com/libbpf/libbpf
+   $ git clone --depth 1 -b v1.4.2 https://github.com/libbpf/libbpf
    $ cd libbpf
    $ PREFIX=$PWD/build make -C src install
    $ cd ..

docker/Dockerfile

@@ -38,7 +38,7 @@ RUN git clone --recursive --depth 1 -b v1.5.0 https://github.com/ngtcp2/ngtcp2 &
     cd .. && \
     rm -rf ngtcp2
 
-RUN git clone --depth 1 -b v1.3.0 https://github.com/libbpf/libbpf && \
+RUN git clone --depth 1 -b v1.4.2 https://github.com/libbpf/libbpf && \
     cd libbpf && \
     PREFIX=/usr/local make -C src install && \
     cd .. && \