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ebpf/c/xmake.lua

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+add_rules("mode.release", "mode.debug")
+add_rules("platform.linux.bpf")
+set_license("GPL-2.0")
+
+if xmake.version():satisfies(">=2.5.7 <=2.5.9") then
+    on_load(function (target)
+        raise("xmake(%s) has a bug preventing BPF source code compilation. Please run `xmake update -f 2.5.6` to revert to v2.5.6 version or upgrade to xmake v2.6.1 that fixed the issue.", xmake.version())
+    end)
+end
+
+option("system-libbpf",      {showmenu = true, default = false, description = "Use system-installed libbpf"})
+option("require-bpftool",    {showmenu = true, default = false, description = "Require bpftool package"})
+
+add_requires("elfutils", "zlib")
+if is_plat("android") then
+    add_requires("ndk >=22.x <26", "argp-standalone")
+    set_toolchains("@ndk", {sdkver = "23"})
+else
+    add_requires("llvm >=10.x")
+    set_toolchains("@llvm")
+    add_requires("linux-headers")
+end
+
+-- fix error: libbpf: map 'my_pid_map': unsupported map linkage static. for bpftool >= 7.2.0
+-- we cannot add `"-fvisibility=hidden"` when compiling *.bpf.c
+set_symbols("none")
+
+if is_arch("arm64", "arm64-v8a") then
+    add_includedirs("../../vmlinux.h/include/arm64")
+elseif is_arch("arm.*") then
+    add_includedirs("../../vmlinux.h/include/arm")
+elseif is_arch("riscv32", "riscv64") then
+    add_includedirs("../../vmlinux.h/include/riscv")
+elseif is_arch("loongarch") then
+    add_includedirs("../../vmlinux.h/include/loongarch")
+elseif is_arch("ppc", "powerpc") then
+    add_includedirs("../../vmlinux.h/include/powerpc")
+elseif is_arch("x86_64", "i386") then
+    add_includedirs("../../vmlinux.h/include/x86")
+else
+    add_includedirs("../../vmlinux.h/include")
+end
+
+-- we can run `xmake f --require-bpftool=y` to pull bpftool from xmake-repo repository
+if has_config("require-bpftool") then
+    add_requires("linux-tools", {configs = {bpftool = true}})
+    add_packages("linux-tools")
+else
+    before_build(function (target)
+        os.addenv("PATH", path.join(os.scriptdir(), "..", "..", "tools"))
+    end)
+end
+
+-- we use the vendored libbpf sources for libbpf-bootstrap.
+-- for some projects you may want to use the system-installed libbpf, so you can run `xmake f --system-libbpf=y`
+if has_config("system-libbpf") then
+    add_requires("libbpf", {system = true})
+else
+    target("libbpf")
+        set_kind("static")
+        set_basename("bpf")
+        add_files("../../libbpf/src/*.c")
+        add_includedirs("../../libbpf/include")
+        add_includedirs("../../libbpf/include/uapi", {public = true})
+        add_includedirs("$(buildir)", {interface = true})
+        add_configfiles("../../libbpf/src/(*.h)", {prefixdir = "bpf"})
+        add_packages("elfutils", "zlib")
+        if is_plat("android") then
+            add_defines("__user=", "__force=", "__poll_t=uint32_t")
+        end
+end
+
+target("minimal")
+    set_kind("binary")
+    add_files("minimal.c", "minimal.bpf.c")
+    add_packages("linux-headers")
+    if not has_config("system-libbpf") then
+        add_deps("libbpf")
+    end
+
+target("minimal_legacy")
+    set_kind("binary")
+    add_files("minimal_legacy.c", "minimal_legacy.bpf.c")
+    add_packages("linux-headers")
+    if not has_config("system-libbpf") then
+        add_deps("libbpf")
+    end
+
+target("bootstrap")
+    set_kind("binary")
+    add_files("bootstrap.c", "bootstrap.bpf.c")
+    add_packages("linux-headers")
+    if not has_config("system-libbpf") then
+        add_deps("libbpf")
+    end
+    if is_plat("android") then
+        add_packages("argp-standalone")
+    end
+
+target("fentry")
+    set_kind("binary")
+    add_files("fentry.c", "fentry.bpf.c")
+    add_packages("linux-headers")
+    if not has_config("system-libbpf") then
+        add_deps("libbpf")
+    end
+
+target("uprobe")
+    set_kind("binary")
+    add_files("uprobe.c", "uprobe.bpf.c")
+    add_packages("linux-headers")
+    if not has_config("system-libbpf") then
+        add_deps("libbpf")
+    end
+
+target("kprobe")
+    set_kind("binary")
+    add_files("kprobe.c", "kprobe.bpf.c")
+    add_packages("linux-headers")
+    if not has_config("system-libbpf") then
+        add_deps("libbpf")
+    end
+    if is_plat("android") then
+        -- TODO we need fix vmlinux.h to support android
+        set_default(false)
+    end