implot-rs/implot-sys/build.rs

67 lines
2.1 KiB
Rust

#![allow(dead_code)]
// This is taken pretty vanilla from
// https://github.com/Gekkio/imgui-rs/blob/master/imgui-sys/build.rs
// for now, but expected to diverge from that over time.
use std::{env, fs, io, path::PathBuf};
use bindgen;
const CPP_FILES: [&str; 2] = [
"third-party/cimplot/cimplot.cpp",
"third-party/cimplot/implot/implot.cpp",
];
fn assert_file_exists(path: &str) -> io::Result<()> {
match fs::metadata(path) {
Ok(_) => Ok(()),
Err(ref e) if e.kind() == io::ErrorKind::NotFound => {
panic!(
"Can't access {}. Did you forget to fetch git submodules?",
path
);
}
Err(e) => Err(e),
}
}
fn main() -> io::Result<()> {
// --- Compile cimgui
let mut build = cc::Build::new();
build.cpp(true);
// Disabled due to linking issues
build
.define("CIMGUI_NO_EXPORT", None)
.define("IMGUI_DISABLE_WIN32_FUNCTIONS", None)
.define("IMGUI_DISABLE_OSX_FUNCTIONS", None);
let imgui_third_party =
env::var_os("DEP_IMGUI_THIRD_PARTY").expect("No envvar found for third_party");
println!("third party is {:?}", imgui_third_party);
build.include(imgui_third_party.clone().into_string().unwrap() + "/imgui/");
build.flag_if_supported("-Wno-return-type-c-linkage");
for path in &CPP_FILES {
assert_file_exists(path)?;
build.file(path);
}
build.compile("libcimplot.a");
// --- Create bindgen bindings
// The actual generate() errors out right now with parsing errors,
// will probably need to whiltelist things, fix preprocessor definitions,
// bindgen settings or some combination thereof.
let _bindings = bindgen::Builder::default()
.header(imgui_third_party.into_string().unwrap() + "/cimgui.h")
.header("wrapper.h")
.parse_callbacks(Box::new(bindgen::CargoCallbacks));
//.generate()
//.expect("Unable to generate bindings");
//let out_path = PathBuf::from(env::var("OUT_DIR").unwrap());
//bindings
//.write_to_file(out_path.join("bindings.rs"))
//.expect("Couldn't write bindings!");
Ok(())
}