编译bpf-bootstrap失败

[lyg4795]

Xmake 版本

v2.8.2+20230916

操作系统版本和架构

Linux lin 5.19.0-45-generic #46~22.04.1-Ubuntu SMP PREEMPT_DYNAMIC Wed Jun 7 15:06:04 UTC 20 x86_64 x86_64 x86_64 GNU/Linux

描述问题

编译失败 不知道怎么解决

期待的结果

能编译minimal

工程配置

xmake f --require-bpftool=y
xmake

下面是lua配置
xmake.lua

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", "argp-standalone")
    set_toolchains("@ndk", {sdkver = "23"})
else
    add_requires("llvm >=10.x")
    set_toolchains("@llvm")
    add_requires("linux-headers")
end

add_includedirs("../../vmlinux")

-- 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

附加信息和错误日志

[ 88%]: cache compiling.release minimal.c
/usr/bin/clang -c -Qunused-arguments -m64 -fvisibility=hidden -O3 -I../../vmlinux -Ibuild/.gens/minimal/linux/x86_64/release/rules/bpf -I../../libbpf/include/uapi -Ibuild -isystem /usr/src/linux-headers-5.19.0-45-generic/include -DNDEBUG -o build/.objs/minimal/linux/x86_64/release/minimal.c.o minimal.c
error: @programdir/modules/private/async/runjobs.lua:256: @programdir/modules/private/action/build/object.lua:91: @programdir/modules/core/tools/gcc.lua:805: In file included from minimal.c:6:
In file included from build/bpf/libbpf.h:18:
In file included from ../../libbpf/include/uapi/linux/bpf.h:11:
In file included from /usr/src/linux-headers-5.19.0-45-generic/include/linux/types.h:6:
In file included from /usr/src/linux-headers-5.19.0-45-generic/include/uapi/linux/types.h:14:
In file included from /usr/include/linux/posix_types.h:5:
/usr/src/linux-headers-5.19.0-45-generic/include/linux/stddef.h:11:2: error: expected identifier
false = 0,
^
/usr/lib/llvm-14/lib/clang/14.0.0/include/stdbool.h:17:15: note: expanded from macro 'false'
#define false 0
^
In file included from minimal.c:6:
In file included from build/bpf/libbpf.h:18:
In file included from ../../libbpf/include/uapi/linux/bpf.h:11:
In file included from /usr/src/linux-headers-5.19.0-45-generic/include/linux/types.h:6:
In file included from /usr/src/linux-headers-5.19.0-45-generic/include/uapi/linux/types.h:14:
In file included from /usr/include/linux/posix_types.h:5:
/usr/src/linux-headers-5.19.0-45-generic/include/linux/stddef.h:12:2: error: expected identifier
true = 1
^
/usr/lib/llvm-14/lib/clang/14.0.0/include/stdbool.h:16:14: note: expanded from macro 'true'
#define true 1
^
In file included from minimal.c:6:
In file included from build/bpf/libbpf.h:18:
In file included from ../../libbpf/include/uapi/linux/bpf.h:11:
/usr/src/linux-headers-5.19.0-45-generic/include/linux/types.h:15:26: error: typedef redefinition with different types ('__kernel_fd_set' vs 'struct fd_set')
typedef __kernel_fd_set fd_set;
^
/usr/include/x86_64-linux-gnu/sys/select.h:70:5: note: previous definition is here
} fd_set;
^
In file included from minimal.c:6:
In file included from build/bpf/libbpf.h:18:
In file included from ../../libbpf/include/uapi/linux/bpf.h:11:
/usr/src/linux-headers-5.19.0-45-generic/include/linux/types.h:16:25: error: typedef redefinition with different types ('__kernel_dev_t' (aka 'unsigned int') vs '__dev_t' (aka 'unsigned long'))
typedef __kernel_dev_t dev_t;
^
/usr/include/x86_64-linux-gnu/sys/types.h:59:17: note: previous definition is here
typedef __dev_t dev_t;
^
In file included from minimal.c:6:
In file included from build/bpf/libbpf.h:18:
In file included from ../../libbpf/include/uapi/linux/bpf.h:11:
/usr/src/linux-headers-5.19.0-45-generic/include/linux/types.h:20:15: error: typedef redefinition with different types ('u32' (aka 'unsigned int') vs '__nlink_t' (aka 'unsigned long'))
typedef u32 nlink_t;
^
/usr/include/x86_64-linux-gnu/sys/types.h:74:19: note: previous definition is here
typedef __nlink_t nlink_t;
^
In file included from minimal.c:6:
In file included from build/bpf/libbpf.h:18:
In file included from ../../libbpf/include/uapi/linux/bpf.h:11:
/usr/src/linux-headers-5.19.0-45-generic/include/linux/types.h:26:26: error: typedef redefinition with different types ('__kernel_timer_t' (aka 'int') vs '__timer_t' (aka 'void '))
typedef __kernel_timer_t timer_t;
^
/usr/include/x86_64-linux-gnu/bits/types/timer_t.h:7:19: note: previous definition is here
typedef __timer_t timer_t;
^
In file included from minimal.c:6:
In file included from build/bpf/libbpf.h:18:
In file included from ../../libbpf/include/uapi/linux/bpf.h:11:
/usr/src/linux-headers-5.19.0-45-generic/include/linux/types.h:30:17: error: cannot combine with previous 'bool' declaration specifier
typedef _Bool bool;
^
/usr/lib/llvm-14/lib/clang/14.0.0/include/stdbool.h:15:14: note: expanded from macro 'bool'
#define bool _Bool
^
In file included from minimal.c:6:
In file included from build/bpf/libbpf.h:18:
In file included from ../../libbpf/include/uapi/linux/bpf.h:11:
/usr/src/linux-headers-5.19.0-45-generic/include/linux/types.h:46:26: error: typedef redefinition with different types ('__kernel_loff_t' (aka 'long long') vs '__loff_t' (aka 'long'))
typedef __kernel_loff_t loff_t;
^
/usr/include/x86_64-linux-gnu/sys/types.h:42:18: note: previous definition is here
typedef __loff_t loff_t;
^
In file included from minimal.c:6:
In file included from build/bpf/libbpf.h:18:
In file included from ../../libbpf/include/uapi/linux/bpf.h:11:
/usr/src/linux-headers-5.19.0-45-generic/include/linux/types.h:107:15: error: typedef redefinition with different types ('u64' (aka 'unsigned long long') vs '__uint64_t' (aka 'unsigned long'))
typedef u64 uint64_t;
^
/usr/include/x86_64-linux-gnu/bits/stdint-uintn.h:27:20: note: previous definition is here
typedef __uint64_t uint64_t;
^
In file included from minimal.c:6:
In file included from build/bpf/libbpf.h:18:
In file included from ../../libbpf/include/uapi/linux/bpf.h:11:
/usr/src/linux-headers-5.19.0-45-generic/include/linux/types.h:108:15: error: typedef redefinition with different types ('u64' (aka 'unsigned long long') vs '__uint64_t' (aka 'unsigned long'))
typedef u64 u_int64_t;
^
/usr/include/x86_64-linux-gnu/sys/types.h:161:20: note: previous definition is here
typedef __uint64_t u_int64_t;
^
In file included from minimal.c:6:
In file included from build/bpf/libbpf.h:18:
In file included from ../../libbpf/include/uapi/linux/bpf.h:11:
/usr/src/linux-headers-5.19.0-45-generic/include/linux/types.h:109:15: error: typedef redefinition with different types ('s64' (aka 'long long') vs '__int64_t' (aka 'long'))
typedef s64 int64_t;
^
/usr/include/x86_64-linux-gnu/bits/stdint-intn.h:27:19: note: previous definition is here
typedef __int64_t int64_t;
^
In file included from minimal.c:6:
In file included from build/bpf/libbpf.h:18:
In file included from ../../libbpf/include/uapi/linux/bpf.h:11:
/usr/src/linux-headers-5.19.0-45-generic/include/linux/types.h:126:13: error: typedef redefinition with different types ('u64' (aka 'unsigned long long') vs '__blkcnt_t' (aka 'long'))
typedef u64 blkcnt_t;
^
/usr/include/x86_64-linux-gnu/sys/types.h:192:20: note: previous definition is here
typedef __blkcnt_t blkcnt_t; / Type to count number of disk blocks. */
^
12 errors generated.
stack traceback:
[C]: in function 'error'
[@programdir/core/base/os.lua:921]:
[@programdir/modules/core/tools/gcc.lua:805]: in function 'catch'
[@programdir/core/sandbox/modules/try.lua:123]: in function 'try'
[@programdir/modules/core/tools/gcc.lua:746]:
[C]: in function 'xpcall'
[@programdir/core/base/utils.lua:280]:
[@programdir/core/tool/compiler.lua:278]: in function 'compile'
[@programdir/modules/private/action/build/object.lua:91]: in function 'script'
[@programdir/modules/private/action/build/object.lua:122]: in function 'build_object'
[@programdir/modules/private/action/build/object.lua:147]: in function 'jobfunc'
[@programdir/modules/private/async/runjobs.lua:232]:
[C]: in function 'xpcall'
[@programdir/core/base/utils.lua:280]: in function 'trycall'
[@programdir/core/sandbox/modules/try.lua:117]: in function 'try'
[@programdir/modules/private/async/runjobs.lua:218]: in function 'cotask'
[@programdir/core/base/scheduler.lua:404]:

stack traceback:
[C]: in function 'error'
@programdir/core/base/os.lua:921: in function 'base/os.raiselevel'
(...tail calls...)
@programdir/modules/private/async/runjobs.lua:256: in field 'catch'
@programdir/core/sandbox/modules/try.lua:123: in global 'try'
@programdir/modules/private/async/runjobs.lua:218: in upvalue 'cotask'
@programdir/core/base/scheduler.lua:404: in function <@programdir/core/base/scheduler.lua:397>

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---

Title: Failed to compile bpf-bootstrap

[waruqi]

我这里可以，应该是优先用了你系统安装的 linux-headers ，但是你的 linux-headers 版本跟 bpf 代码不匹配导致。。

可以改下 xmake.lua ，add_requires("linux-headers", {system = false}) 强制走 xmake-repo 仓库的 linux-header 版本试试

  => install linux-headers 5.16.9 .. ok
configure
{
    kind = static
    arch = x86_64
    host = linux
    clean = true
    buildir = build
    ndk_stdcxx = true
    plat = linux
    ccache = true
    mode = release
}
ruki@0670fbc641d6:/mnt/xmake/tests/projects/linux/bpf/minimal$ xmake -rv
checking for the c compiler (cc) ... clang
checking for flags (-O3) ... ok
checking for flags (-DNDEBUG) ... ok
[ 20%]: compiling.bpf src/minimal.bpf.c
/usr/lib/llvm-15/bin/clang -c -Qunused-arguments -m64 -fvisibility=hidden -O3 -Ibuild/.gens/minimal/linux/x86_64/release/rules/bpf -isystem /home/ruki/.xmake/packages/l/linux-headers/5.16.9/b91d1c6942fb4a8dbe3966154df72863/include -isystem /home/ruki/.xmake/packages/l/libbpf/v0.3/1580e2873bd94b0aad0763599ebba227/include -isystem /home/ruki/.xmake/packages/l/libbpf/v0.3/1580e2873bd94b0aad0763599ebba227/include/uapi -isystem /home/ruki/.xmake/packages/l/libelf/0.8.13/6e832e45281b46079dad3aa1ffc4fb39/include -isystem /home/ruki/.xmake/packages/l/libelf/0.8.13/6e832e45281b46079dad3aa1ffc4fb39/include/libelf -isystem /home/ruki/.xmake/packages/z/zlib/v1.3/a22e9c20d1164438a547d3a64f770c7f/include -DNDEBUG -target bpf -g -O2 -D__TARGET_ARCH_x86 -o build/.gens/minimal/linux/x86_64/release/rules/bpf/minimal.bpf.o src/minimal.bpf.c
[ 40%]: cache compiling.release src/minimal.c
/usr/lib/llvm-15/bin/clang -c -Qunused-arguments -m64 -fvisibility=hidden -O3 -Ibuild/.gens/minimal/linux/x86_64/release/rules/bpf -isystem /home/ruki/.xmake/packages/l/linux-headers/5.16.9/b91d1c6942fb4a8dbe3966154df72863/include -isystem /home/ruki/.xmake/packages/l/libbpf/v0.3/1580e2873bd94b0aad0763599ebba227/include -isystem /home/ruki/.xmake/packages/l/libbpf/v0.3/1580e2873bd94b0aad0763599ebba227/include/uapi -isystem /home/ruki/.xmake/packages/l/libelf/0.8.13/6e832e45281b46079dad3aa1ffc4fb39/include -isystem /home/ruki/.xmake/packages/l/libelf/0.8.13/6e832e45281b46079dad3aa1ffc4fb39/include/libelf -isystem /home/ruki/.xmake/packages/z/zlib/v1.3/a22e9c20d1164438a547d3a64f770c7f/include -DNDEBUG -o build/.objs/minimal/linux/x86_64/release/src/minimal.c.o src/minimal.c
checking for flags (-MMD -MF) ... ok
checking for the linker (ld) ... clang++
[ 60%]: linking.release minimal
/usr/lib/llvm-15/bin/clang++ -o build/linux/x86_64/release/minimal build/.objs/minimal/linux/x86_64/release/src/minimal.c.o -m64 -L/home/ruki/.xmake/packages/l/libbpf/v0.3/1580e2873bd94b0aad0763599ebba227/lib -L/home/ruki/.xmake/packages/l/libelf/0.8.13/6e832e45281b46079dad3aa1ffc4fb39/lib -L/home/ruki/.xmake/packages/z/zlib/v1.3/a22e9c20d1164438a547d3a64f770c7f/lib -s -lbpf -lelf -lz
[100%]: build ok, spent 1.331s