import error

[ghost]

hello.I am using leveleb to test this project, I have encountered such a problem, I can do it in g++ environment.

--- stdout
cargo:rustc-link-lib=/home/orange/work/rust/material/main/cpprust/libleveldb.a

--- stderr
/usr/include/leveldb/slice.h:21:10: fatal error: 'string' file not found
/usr/include/leveldb/slice.h:21:10: fatal error: 'string' file not found, err: true
thread 'main' panicked at 'Unable to generate bindings: ()', src/libcore/result.rs:1009:5
note: Run with RUST_BACKTRACE=1 for a backtrace.

[emilio]

Can you paste example code or a link? I suspect you need to pass -x c++ to the arguments.

[ghost]

Yes, I added x, I have a question.

For (https://github.com/rust-lang/rust-bindgen/blob/master/bindgen-integration/build.rs)
I compiled Test.cc into a static library in advance, and then changed the following to something that would have an error.

     // use std::fs;
     // let v = vec!["cpp/Test.cc"];
     // let mut iter = v.into_iter();
     // cc::Build::new()
     // .cpp(true)
     // .files(iter)
     // .compile("libtest.a");
   
     Println!("cargo:rustc-link-search=native={}","/home/orange/work/rust/material/main/cpp/cpp");
    
     Let library_test = "test";
     Println!("cargo:rustc-link-lib=static={}", library_test);
I confirm that the path to libtest.a is correct.
thank you very much

[ghost]

I use rocksdb test:
println!("cargo:rustc-link-search=native={}/dependences",current_dir_name);
println!("cargo:rustc-link-lib=static=rocksdb");
println!("cargo:rustc-link-lib=stdc++");
println!("cargo:rustc-link-lib=pthread");
println!("cargo:rustc-link-lib=snappy");
println!("cargo:rustc-link-lib=rt");
println!("cargo:rustc-link-lib=gflags");
println!("cargo:rustc-link-lib=z");
println!("cargo:rustc-link-lib=bz2");
println!("cargo:rustc-link-lib=lz4");
println!("cargo:rustc-link-lib=zstd");

let bindings = bindgen::Builder::default()
    .header("dependences/wrapper.h")
    .clang_args(&["-x"])
    .generate()
    .expect("Unable to generate bindings");

let out_path = PathBuf::from("src");
bindings
.write_to_file(out_path.join("bindings.rs"))
.expect("Couldn't write bindings!");

wraper.h
#include "rocksdb/db.h"
#include "rocksdb/slice.h"
#include "rocksdb/options.h"

[emilio]

You should be able to use .clang_args(&["-x", "c++"]), does that work?

[ghost]

I use .clang_args(&["-x","c++","-std=c++14"])

--- stderr
thread 'main' panicked at '"std___shared_count___shared_count<_Lp>" is not a valid Ident', /home/orange/.cargo/registry/src/jiasu.xzqcsaa.nyc.mn-1ecc6299db9ec823/proc-macro2-0.4.27/src/fallback.rs:594:9
note: Run with RUST_BACKTRACE=1 for a backtrace.

[emilio]

That sounds like #1464, see there for workarounds.

[emilio]

I think this should be working now since #1464 is fixed, let me know otherwise.