58948051e5
PR #665 made stm32-metapac rebuild when the chip definition was changed. Though it used the lowercase version of the chip name as a filename which probably worked fine on windows with its case-independent filesystem, but was causing constant rebuilds on linux
77 lines
2.1 KiB
Rust
77 lines
2.1 KiB
Rust
use std::env;
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use std::path::PathBuf;
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use stm32_metapac_gen::*;
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fn parse_chip_core(chip_and_core: &str) -> (String, Option<String>) {
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let mut s = chip_and_core.split('-');
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let chip_name: String = s.next().unwrap().to_string();
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if let Some(c) = s.next() {
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if c.starts_with("cm") {
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return (chip_name, Some(c.to_ascii_lowercase()));
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}
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}
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(chip_and_core.to_string(), None)
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}
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fn main() {
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let out_dir = PathBuf::from(env::var_os("OUT_DIR").unwrap());
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let data_dir = PathBuf::from("../stm32-data/data");
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let chip_core_name = env::vars_os()
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.map(|(a, _)| a.to_string_lossy().to_string())
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.find(|x| x.starts_with("CARGO_FEATURE_STM32"))
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.expect("No stm32xx Cargo feature enabled")
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.strip_prefix("CARGO_FEATURE_")
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.unwrap()
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.to_ascii_lowercase()
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.replace('_', "-");
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let (chip_name, _) = parse_chip_core(&chip_core_name);
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let opts = Options {
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out_dir: out_dir.clone(),
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data_dir: data_dir.clone(),
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chips: vec![chip_name.to_ascii_uppercase()],
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};
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Gen::new(opts).gen();
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println!(
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"cargo:rustc-link-search={}/src/chips/{}",
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out_dir.display(),
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chip_core_name,
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);
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#[cfg(feature = "memory-x")]
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println!(
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"cargo:rustc-link-search={}/src/chips/{}/memory_x/",
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out_dir.display(),
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chip_core_name
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);
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println!(
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"cargo:rustc-env=STM32_METAPAC_PAC_PATH={}/src/chips/{}/pac.rs",
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out_dir.display(),
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chip_core_name
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);
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println!(
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"cargo:rustc-env=STM32_METAPAC_METADATA_PATH={}/src/chips/{}/metadata.rs",
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out_dir.display(),
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chip_core_name
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);
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println!(
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"cargo:rustc-env=STM32_METAPAC_COMMON_PATH={}/src/common.rs",
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out_dir.display(),
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);
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println!("cargo:rerun-if-changed=build.rs");
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// When the stm32-data chip's JSON changes, we must rebuild
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println!(
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"cargo:rerun-if-changed={}/chips/{}.json",
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data_dir.display(),
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chip_name.to_uppercase()
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);
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println!("cargo:rerun-if-changed={}/registers", data_dir.display());
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}
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