只获取 target:deps 自身的 syslinks，不要递归获取 target:pkgs 的 syslinks

[TOMO-CAT]

你在什么场景下需要该功能？

我在写一个打包的 phony target，希望将当前项目里所有的 dep 的 syslinks 和 deps 导出，但是这里的 syslinks 会把 add_packages("xx") 的 syslinks 都带上，有办法可以跳过吗，只拿 target 里面 add_syslinks 的部分。

背景是现在项目接完了，想把一些之前定制化的脚本都抽到 rule 里，需要封装一下

描述可能的解决方案

无

描述你认为的候选方案

目前没啥好的解法

其他信息

No response

[waruqi]

https://github.com/xmake-io/xmake/blob/c90b483177dd45fb6e7a546b73fcd17c32bbaf23/xmake/core/project/target.lua#L656-L696

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Title: Only get the syslinks of target:deps itself, do not recursively get the syslinks of target:pkgs

[TOMO-CAT]

https://github.com/xmake-io/xmake/blob/c90b483177dd45fb6e7a546b73fcd17c32bbaf23/xmake/core/project/target.lua#L656-L696

怎么跳过 dep 的 packages 呢？只希望获取 project 内部的 dep 的 links，不要递归返回 package 的 links

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https://github.com/xmake-io/xmake/blob/c90b483177dd45fb6e7a546b73fcd17c32bbaf23/xmake/core/project/target.lua#L656-L696

How to skip dep packages?

[TOMO-CAT]

好像可以通过对 source 做过滤，出现 package:: 就跳过，但不是太优雅

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It seems that you can filter the source and skip it if package:: appears, but it is not too elegant.

[waruqi]

dep:get_from("links", "self") 

[TOMO-CAT]

dep:get_from("links", "self") 

这种写法还是递归获取了 target:dep 对应的所有 packages 导入的 syslinks：

有办法只获取 target 里面的 syslinks 吗： "ceres", "pcl_common", "pcl_filters", "pcl_segmentation" 只需要这四个

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``lua dep:get_from("links", "self")

This way of writing still recursively obtains the syslinks imported by all packages corresponding to target:dep:

Is there a way to only get the syslinks in the target: "ceres", "pcl_common", "pcl_filters", "pcl_segmentation" Only these four are needed

[TOMO-CAT]

试了一下，过滤 dep::* 中带 package:: 的也不行，它已经递归拿到了 package 的 syslinks 了

        local values, sources = target:get_from("syslinks", "dep::localization.initialization_localization.reflector_detection")
        for idx, value in ipairs(values) do
            local source = sources[idx]
            print(source)
            print(value)
        end

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I tried it, but filtering dep::* with package:: doesn’t work either. It has already recursively obtained the syslinks of package.

local values, sources = target:get_from("syslinks", "dep::localization.initialization_localization.reflector_detection")
for idx, value in ipairs(values) do
local source = sources[idx]
print(source)
print(value)
end

[waruqi]

不知道你说啥，反正我这可以，没法复现

add_requires("libuv")

target("foo")
    set_kind("static")
    add_packages("libuv")
    add_syslinks("z")

target("test")
    set_kind("binary")
    add_deps("foo")
    add_files("src/*.cpp")
    on_config(function (target)
    print("1111", target:dep("foo"):get("syslinks"))
    print("2222", (target:get_from("syslinks", "dep::*")))
    end)

1111 z
2222 { 
  "z",
  { 
    "pthread",
    "dl" 
  } 
}

target:get("syslinks") 原本就只会仅仅 get target 里面的 syslinks ，不会从 packages 里面取。除非你把这些设置到了 target

https://github.com/xmake-io/xmake/blob/c90b483177dd45fb6e7a546b73fcd17c32bbaf23/xmake/core/project/target.lua#L573

代码里，也压根没有从 pkgs 取值的实现，只要 get_from 才有可能取到 package

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I don’t know what you’re talking about. Anyway, I can do this, but I can’t reproduce it.

add_requires("libuv")

target("foo")
    set_kind("static")
    add_packages("libuv")
    add_syslinks("z")

target("test")
    set_kind("binary")
    add_deps("foo")
    add_files("src/*.cpp")
    on_config(function (target)
print("1111", target:dep("foo"):get("syslinks"))
print("2222", (target:get_from("syslinks", "dep::*")))
    end)

1111z
2222 {
  "z",
  {
    "pthread",
    "dl"
  }
}

target:get("syslinks") will only get the syslinks in the target, not the packages. Unless you set these to target

[TOMO-CAT]

不知道你说啥，反正我这可以，没法复现

是我本地 xmake 版本的问题吗？这有一个最小复现的 demo： https://github.com/TOMO-CAT/xmake-template/blob/main/unexpected_deps_syslinks/README.md

我希望能不把依赖库 gtest 的 syslinks 引进来

[TOMO-CAT]

不知道你说啥，反正我这可以，没法复现

是我本地 xmake 版本的问题吗？这有一个最小复现的 demo： https://github.com/TOMO-CAT/xmake-template/blob/main/unexpected_deps_syslinks/README.md

我希望能不把依赖库 gtest 的 syslinks 引进来

gtest 只有在 linux 会带 syslinks，windows 上可能复现不出来，我换个库试试

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I don’t know what you are talking about. Anyway, I can do this, but I can’t reproduce it.

Is it a problem with my local xmake version? Here is a minimally reproducible demo: https://github.com/TOMO-CAT/xmake-template/blob/main/unexpected_deps_syslinks/README.md

I hope that syslinks that depends on the library gtest can not be introduced.

gtest only supports syslinks on Linux. It may not be reproduced on Windows. I will try using another library.

[TOMO-CAT]

代码里，也压根没有从 pkgs 取值的实现，只要 get_from 才有可能取到 package

试验了几次，你给的这个例子确实就没问题，主要出在 c++ rule 这，加上这一行就不行：

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In the code, there is no implementation of getting the value from pkgs at all. Only get_from can get the package.

After testing it several times, the example you gave is indeed no problem. The main problem lies in the c++ rule. Adding this line won't work:

[waruqi]

更新到这个 patch 再试试 https://github.com/xmake-io/xmake/pull/5334

[TOMO-CAT]

更新到这个 patch 再试试 #5334

可以的，测试过了。

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Update to this patch and try again #5334

Yes, tested.