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Diffstat (limited to 'Documentation/bpf/libbpf/libbpf_build.rst')
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diff --git a/Documentation/bpf/libbpf/libbpf_build.rst b/Documentation/bpf/libbpf/libbpf_build.rst new file mode 100644 index 000000000..8e8c23e80 --- /dev/null +++ b/Documentation/bpf/libbpf/libbpf_build.rst @@ -0,0 +1,37 @@ +.. SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) + +Building libbpf +=============== + +libelf and zlib are internal dependencies of libbpf and thus are required to link +against and must be installed on the system for applications to work. +pkg-config is used by default to find libelf, and the program called +can be overridden with PKG_CONFIG. + +If using pkg-config at build time is not desired, it can be disabled by +setting NO_PKG_CONFIG=1 when calling make. + +To build both static libbpf.a and shared libbpf.so: + +.. code-block:: bash + + $ cd src + $ make + +To build only static libbpf.a library in directory build/ and install them +together with libbpf headers in a staging directory root/: + +.. code-block:: bash + + $ cd src + $ mkdir build root + $ BUILD_STATIC_ONLY=y OBJDIR=build DESTDIR=root make install + +To build both static libbpf.a and shared libbpf.so against a custom libelf +dependency installed in /build/root/ and install them together with libbpf +headers in a build directory /build/root/: + +.. code-block:: bash + + $ cd src + $ PKG_CONFIG_PATH=/build/root/lib64/pkgconfig DESTDIR=/build/root make
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