Auto merge of #142963 - Kobzol:try-build-skip, r=<try>

Skip unnecessary components in x64 try builds

We unnecessarily rebuild `wasm-component-ld`, `llvm-bitcode-linker` and Cranelift during the intermediate PGO builds several times times, which is unnecessarily and increases the duration of try builds. This PR also disables some unnecessary dist components.

r? `@jieyouxu`

Author: rust-bors[bot]

src/ci/docker/host-x86_64/dist-x86_64-linux/dist.sh

@@ -10,4 +10,7 @@ python3 ../x.py build --set rust.debug=true opt-dist
     build-manifest bootstrap
 
 # Use GCC for building GCC, as it seems to behave badly when built with Clang
-CC=/rustroot/bin/cc CXX=/rustroot/bin/c++ python3 ../x.py dist gcc
+# Only build GCC on full builds, not try builds
+if [ "${DIST_TRY_BUILD:-0}" == "0" ]; then
+    CC=/rustroot/bin/cc CXX=/rustroot/bin/c++ python3 ../x.py dist gcc
+fi

src/tools/opt-dist/src/exec.rs

@@ -188,6 +188,15 @@ impl Bootstrap {
     }
 }
 
-fn add_shared_x_flags(env: &Environment, cmd: CmdBuilder) -> CmdBuilder {
+fn add_shared_x_flags(env: &Environment, mut cmd: CmdBuilder) -> CmdBuilder {
+    // Skip things that cannot be skipped through `x ... --skip`
+    cmd = cmd
+        .arg("--set")
+        .arg("rust.llvm-bitcode-linker=false")
+        // Skip wasm-component-ld
+        .arg("--set")
+        .arg("build.extended=false")
+        .arg("--set")
+        .arg("rust.codegen-backends=['llvm']");
     if env.is_fast_try_build() { cmd.arg("--set").arg("rust.deny-warnings=false") } else { cmd }
 }

src/tools/opt-dist/src/main.rs

@@ -407,13 +407,18 @@ fn main() -> anyhow::Result<()> {
         for target in [
             "rust-docs",
             "rustc-docs",
+            "rustc-dev",
+            "rust-dev",
             "rust-docs-json",
             "rust-analyzer",
             "rustc-src",
+            "extended",
             "clippy",
             "miri",
             "rustfmt",
             "gcc",
+            "generate-copyright",
+            "bootstrap",
         ] {
             build_args.extend(["--skip".to_string(), target.to_string()]);
         }