小编Smo*_*key的帖子

到目前为止，我\xe2\x80\x99ve 还没有将 Haskell 库链接到 Rust 项目。我\xe2\x80\x99ve 有很多错误，最新的是recompile with -fPICfor ghc.

我\xe2\x80\x99已经设法获得动态链接\xe2\x80\x94的功能示例，但无法静态链接它。

现在附上我当前的设置：

\n

1. 构建.rs

   \n

   fn main() {\n    println!("cargo:rustc-link-search=native=deps");\n    println!("cargo:rustc-link-lib=static=tesths");\n}\n

   Run Code Online (Sandbox Code Playgroud)\n
\n

2. src/main.rs

   \n

   extern "C" {\n    pub fn addTwo(x: i32) -> i32;\n    pub fn init();\n    pub fn fin();\n}\n\nfn main() {\n    println!("Hello, world!");\n}\n

   Run Code Online (Sandbox Code Playgroud)\n
\n

3. src/haskell/Lib.hs

   \n

   module Lib where\n\nimport Foreign.C.Types\n\naddTwo :: CInt -> CInt\naddTwo = (2 + )\n\nforeign export ccall addTwo :: CInt -> CInt\n

   Run Code Online (Sandbox Code Playgroud)\n
\n

4. cwrapper.c

   \n

   #include <HsFFI.h>\n#ifdef __GLASGOW_HASKELL__\n#include "Lib_stub.h"\n#endif\n#include …

   Run Code Online (Sandbox Code Playgroud)