mirror of
https://github.com/fluencelabs/wasmer
synced 2024-12-13 14:25:32 +00:00
77 lines
2.4 KiB
Rust
77 lines
2.4 KiB
Rust
extern crate cbindgen;
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use cbindgen::{Builder, Language};
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use std::{env, fs, path::PathBuf};
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fn main() {
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let crate_dir = env::var("CARGO_MANIFEST_DIR").unwrap();
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let mut crate_wasmer_header_file = PathBuf::from(&crate_dir);
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crate_wasmer_header_file.push("wasmer");
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let out_dir = env::var("OUT_DIR").unwrap();
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let mut out_wasmer_header_file = PathBuf::from(&out_dir);
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out_wasmer_header_file.push("wasmer");
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const WASMER_PRE_HEADER: &str = r#"
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#if !defined(WASMER_H_MACROS)
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#define WASMER_H_MACROS
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#if defined(MSVC)
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#if defined(_M_AMD64)
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#define ARCH_X86_64
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#endif
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#endif
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#if defined(GCC) || defined(__clang__)
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#if defined(__x86_64__)
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#define ARCH_X86_64
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#endif
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#endif
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#endif // WASMER_H_MACROS
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"#;
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// Generate the C bindings in the `OUT_DIR`.
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out_wasmer_header_file.set_extension("h");
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Builder::new()
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.with_crate(crate_dir.clone())
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.with_language(Language::C)
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.with_include_guard("WASMER_H")
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.with_header(WASMER_PRE_HEADER)
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.with_define("target_family", "windows", "_WIN32")
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.with_define("target_arch", "x86_64", "ARCH_X86_64")
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.generate()
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.expect("Unable to generate C bindings")
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.write_to_file(out_wasmer_header_file.as_path());
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// Generate the C++ bindings in the `OUT_DIR`.
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out_wasmer_header_file.set_extension("hh");
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Builder::new()
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.with_crate(crate_dir)
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.with_language(Language::Cxx)
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.with_include_guard("WASMER_H")
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.with_header(WASMER_PRE_HEADER)
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.with_define("target_family", "windows", "_WIN32")
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.with_define("target_arch", "x86_64", "ARCH_X86_64")
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.generate()
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.expect("Unable to generate C++ bindings")
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.write_to_file(out_wasmer_header_file.as_path());
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// Copy the generated C bindings from `OUT_DIR` to
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// `CARGO_MANIFEST_DIR`.
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crate_wasmer_header_file.set_extension("h");
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out_wasmer_header_file.set_extension("h");
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fs::copy(
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out_wasmer_header_file.as_path(),
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crate_wasmer_header_file.as_path(),
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)
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.expect("Unable to copy the generated C bindings");
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// Copy the generated C++ bindings from `OUT_DIR` to
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// `CARGO_MANIFEST_DIR`.
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crate_wasmer_header_file.set_extension("h");
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crate_wasmer_header_file.set_extension("hh");
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out_wasmer_header_file.set_extension("hh");
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fs::copy(out_wasmer_header_file, crate_wasmer_header_file)
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.expect("Unable to copy the generated C++ bindings");
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}
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