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authorPeter Krull <[email protected]>2024-09-23 19:02:59 +0200
committerGitHub <[email protected]>2024-09-23 19:02:59 +0200
commita2c473306f4a7c8e99add2546450ab3a7a97436e (patch)
tree5522a708e492db7d4632dc0a56fe5057244f03f0 /docs/modules/ROOT/examples/basic/build.rs
parente02a987bafd4f0fcf9d80e7c4f6e1504b8b02cec (diff)
parent2935290a6222536d6341103f91bfd732165d3862 (diff)
Merge branch 'embassy-rs:main' into multi-signal
Diffstat (limited to 'docs/modules/ROOT/examples/basic/build.rs')
-rw-r--r--docs/modules/ROOT/examples/basic/build.rs35
1 files changed, 0 insertions, 35 deletions
diff --git a/docs/modules/ROOT/examples/basic/build.rs b/docs/modules/ROOT/examples/basic/build.rs
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1//! This build script copies the `memory.x` file from the crate root into
2//! a directory where the linker can always find it at build time.
3//! For many projects this is optional, as the linker always searches the
4//! project root directory -- wherever `Cargo.toml` is. However, if you
5//! are using a workspace or have a more complicated build setup, this
6//! build script becomes required. Additionally, by requesting that
7//! Cargo re-run the build script whenever `memory.x` is changed,
8//! updating `memory.x` ensures a rebuild of the application with the
9//! new memory settings.
10
11use std::env;
12use std::fs::File;
13use std::io::Write;
14use std::path::PathBuf;
15
16fn main() {
17 // Put `memory.x` in our output directory and ensure it's
18 // on the linker search path.
19 let out = &PathBuf::from(env::var_os("OUT_DIR").unwrap());
20 File::create(out.join("memory.x"))
21 .unwrap()
22 .write_all(include_bytes!("memory.x"))
23 .unwrap();
24 println!("cargo:rustc-link-search={}", out.display());
25
26 // By default, Cargo will re-run a build script whenever
27 // any file in the project changes. By specifying `memory.x`
28 // here, we ensure the build script is only re-run when
29 // `memory.x` is changed.
30 println!("cargo:rerun-if-changed=memory.x");
31
32 println!("cargo:rustc-link-arg-bins=--nmagic");
33 println!("cargo:rustc-link-arg-bins=-Tlink.x");
34 println!("cargo:rustc-link-arg-bins=-Tdefmt.x");
35}