lvgl-rs/lvgl-sys/build.rs

61 lines
2 KiB
Rust

use bindgen;
use cc::Build;
use std::{env, path::Path, path::PathBuf};
fn main() {
let project_dir = PathBuf::from(env::var("CARGO_MANIFEST_DIR").unwrap())
.canonicalize()
.unwrap();
let root_dir = project_dir.parent().unwrap();
let vendor = root_dir.join("vendor");
let lvgl_sys_src = root_dir.join("lvgl-sys").join("src");
let src = vendor.join("lvgl").join("src");
// TODO: Make it configurable! Needs to be linked to final proj defs, define as an env var.
let lvgl_config_path = vendor.join("lv_sim_eclipse_sdl");
let mut cfg = Build::new();
add_c_files(&mut cfg, src.join("lv_core"));
add_c_files(&mut cfg, src.join("lv_draw"));
add_c_files(&mut cfg, src.join("lv_font"));
add_c_files(&mut cfg, src.join("lv_hal"));
add_c_files(&mut cfg, src.join("lv_misc"));
add_c_files(&mut cfg, src.join("lv_objx"));
add_c_files(&mut cfg, src.join("lv_themes"));
cfg.define("LV_CONF_INCLUDE_SIMPLE", Some("1"))
.include(&src)
.warnings(false)
.include(&lvgl_config_path)
.compile("lvgl");
let cc_args = [
"-DLV_CONF_INCLUDE_SIMPLE=1",
"-I",
lvgl_config_path.to_str().unwrap(),
];
bindgen::Builder::default()
.header(src.parent().unwrap().join("lvgl.h").to_str().unwrap())
.layout_tests(false)
.use_core()
.ctypes_prefix("cty")
.raw_line("use cty;")
.clang_args(&cc_args)
.generate()
.expect("Unable to generate bindings")
.write_to_file(lvgl_sys_src.join("bindings.rs"))
.expect("Can't write bindings!");
}
fn add_c_files(build: &mut cc::Build, path: impl AsRef<Path>) {
for e in path.as_ref().read_dir().unwrap() {
let e = e.unwrap();
let path = e.path();
if e.file_type().unwrap().is_dir() {
// skip dirs for now
} else if path.extension().and_then(|s| s.to_str()) == Some("c") {
build.file(&path);
}
}
}