rust: Cache bootstrap downloads to $(DL_DIR)/rustc

Signed-off-by: Jeffery To <jeffery.to@gmail.com>
This commit is contained in:
Jeffery To 2023-10-02 04:52:32 +08:00
parent d24095b8fc
commit 35768bf31e
No known key found for this signature in database
GPG Key ID: C616D9E719E868E4
2 changed files with 38 additions and 0 deletions

View File

@ -82,6 +82,7 @@ endef
define Host/Compile
( \
cd $(HOST_BUILD_DIR) ; \
OPENWRT_RUSTC_BOOTSTRAP_CACHE=$(DL_DIR)/rustc \
$(PYTHON) x.py --config ./config.toml dist build-manifest cargo llvm-tools \
rustc rust-std rust-src ; \
)

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@ -0,0 +1,37 @@
--- a/src/bootstrap/bootstrap.py
+++ b/src/bootstrap/bootstrap.py
@@ -543,7 +543,7 @@ class RustBuild(object):
shutil.rmtree(bin_root)
key = self.stage0_compiler.date
- cache_dst = os.path.join(self.build_dir, "cache")
+ cache_dst = os.getenv('OPENWRT_RUSTC_BOOTSTRAP_CACHE', os.path.join(self.build_dir, "cache"))
rustc_cache = os.path.join(cache_dst, key)
if not os.path.exists(rustc_cache):
os.makedirs(rustc_cache)
--- a/src/bootstrap/download.rs
+++ b/src/bootstrap/download.rs
@@ -507,7 +507,10 @@ impl Config {
key: &str,
destination: &str,
) {
- let cache_dst = self.out.join("cache");
+ let cache_dst = match env::var_os("OPENWRT_RUSTC_BOOTSTRAP_CACHE") {
+ Some(v) => PathBuf::from(v),
+ None => self.out.join("cache"),
+ };
let cache_dir = cache_dst.join(key);
if !cache_dir.exists() {
t!(fs::create_dir_all(&cache_dir));
@@ -627,7 +630,10 @@ download-rustc = false
let llvm_assertions = self.llvm_assertions;
let cache_prefix = format!("llvm-{}-{}", llvm_sha, llvm_assertions);
- let cache_dst = self.out.join("cache");
+ let cache_dst = match env::var_os("OPENWRT_RUSTC_BOOTSTRAP_CACHE") {
+ Some(v) => PathBuf::from(v),
+ None => self.out.join("cache"),
+ };
let rustc_cache = cache_dst.join(cache_prefix);
if !rustc_cache.exists() {
t!(fs::create_dir_all(&rustc_cache));