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feat(runtime-c-api) Remove the flag WASM_EMSCRIPTEN_GENERATE_C_API_HEADERS.

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This patch removes the `WASM_EMSCRIPTEN_GENERATE_C_API_HEADERS`
flag. Consequently, the C header files will be generated for each
build.

The `generate-c-api-headers` feature is also removed, since it becomes useless.
This commit is contained in:
Ivan Enderlin
2019-03-06 10:39:34 +01:00
parent 7c56d893c2
commit f2997357fc
3 changed files with 9 additions and 26 deletions
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9
lib/runtime-c-api/Cargo.toml
View File

@ -1,7 +1,7 @@
[package]
name = "wasmer-runtime-c-api"
version = "0.2.1"
description = "Wasmer c-api library"
description = "Wasmer C API library"
license = "MIT"
authors = ["The Wasmer Engineering Team <engineering@wasmer.io>"]
repository = "https://github.com/wasmerio/wasmer"
@ -17,9 +17,4 @@ libc = "0.2"
crate-type = ["cdylib"]
[build-dependencies]
cbindgen = { version = "0.8", optional = true }
[features]
generate-c-api-headers = ["cbindgen"]
cbindgen = "0.8"

24
lib/runtime-c-api/build.rs
View File

@ -1,28 +1,21 @@
#[cfg(feature = "generate-c-api-headers")]
extern crate cbindgen;
use cbindgen::{Builder, Language};
use std::{env, path::Path};
static CAPI_ENV_VAR: &str = "WASM_EMSCRIPTEN_GENERATE_C_API_HEADERS";
fn main() {
if env::var(CAPI_ENV_VAR).unwrap_or("0".to_string()) == "1" {
build();
}
}
#[cfg(feature = "generate-c-api-headers")]
fn build() {
let crate_dir = env::var("CARGO_MANIFEST_DIR").unwrap();
let out_dir = env::var("OUT_DIR").unwrap();
let out_path = Path::new(&out_dir);
let mut wasmer_h = out_path.to_path_buf();
wasmer_h.push("wasmer.h");
let mut wasmer_hh = out_path.to_path_buf();
wasmer_hh.push("wasmer.hh");
use cbindgen::Language;
cbindgen::Builder::new()
Builder::new()
.with_crate(crate_dir.clone())
.with_language(Language::C)
.with_include_guard("WASMER_H")
@ -30,7 +23,7 @@ fn build() {
.expect("Unable to generate C bindings")
.write_to_file(wasmer_h);
cbindgen::Builder::new()
Builder::new()
.with_crate(crate_dir)
.with_language(Language::Cxx)
.with_include_guard("WASMER_H")
@ -38,8 +31,3 @@ fn build() {
.expect("Unable to generate C++ bindings")
.write_to_file(wasmer_hh);
}
#[cfg(not(feature = "generate-c-api-headers"))]
fn build() {
panic!("environment var set to generate wasmer c API headers but generate-c-api-headers feature not enabled")
}