mirror of
https://github.com/fluencelabs/wasmer
synced 2024-12-13 06:15:33 +00:00
31 lines
782 B
Rust
31 lines
782 B
Rust
#[cfg(feature = "generate-c-api-headers")]
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extern crate cbindgen;
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use std::env;
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static CAPI_ENV_VAR: &str = "WASM_EMSCRIPTEN_GENERATE_C_API_HEADERS";
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fn main() {
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if env::var(CAPI_ENV_VAR).unwrap_or("0".to_string()) == "1" {
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build();
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}
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}
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#[cfg(feature = "generate-c-api-headers")]
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fn build() {
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let crate_dir = env::var("CARGO_MANIFEST_DIR").unwrap();
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use cbindgen::Language;
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cbindgen::Builder::new()
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.with_crate(crate_dir)
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.with_language(Language::C)
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.generate()
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.expect("Unable to generate bindings")
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.write_to_file("wasmer.h");
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}
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#[cfg(not(feature = "generate-c-api-headers"))]
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fn build() {
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panic!("environment var set to generate wasmer c API headers but generate-c-api-headers feature not enabled")
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}
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