
package {
    default_applicable_licenses: ["external_bpftool_license"],
}

// See: http://go/android-license-faq
license {
    name: "external_bpftool_license",
    visibility: [":__subpackages__"],
    license_kinds: [
        "SPDX-license-identifier-BSD-2-Clause",
        "SPDX-license-identifier-GPL-2.0-only",
    ],
    license_text: [
        "LICENSE.BSD-2-Clause",
        "LICENSE.GPL-2.0",
    ],
}

cc_binary_host {
    name: "bpftool",
    srcs: [
        "src/*.c",
        "src/kernel/bpf/disasm.c",
    ],
    exclude_srcs: [
        "src/jit_disasm.c",
    ],
    local_include_dirs: [
        "include",
        "include/uapi",
        "src/kernel/bpf"
    ],
    target: {
        musl: {
            // There is an unfortunate interaction between the bionic uapi headers
            // used by musl and the kernel headers distributed with bpftool.  The
            // bionic uapi headers include <linux/compiler_types.h>, which they
            // expect to be resolved to their own copy of compiler_types.h that
            // includes compiler.h.  It instead resolves to the bpftool copy,
            // which includes compiler-gcc.h directly, triggering an error if
            // the _LINUX_COMPILER_H_ header guard is not already defined.  Hack
            // around it by always including linux/compiler.h from the command line.
            cflags: ["-include linux/compiler.h"],
        },
    },
    static_libs: [
        "libbpf",
        "libcap",
        "libelf",
        "libz",
    ],
    cflags: [
        "-DBPFTOOL_WITHOUT_SKELETONS",
        "-DBPFTOOL_VERSION=\"5.16.0-c446fdacb10d\"",
        "-DUSE_LIBCAP",
        "-Wno-missing-field-initializers",
        "-Wno-pointer-arith",
        "-Wno-unused-parameter",
    ]
}