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[meta-lts-mixins,kirkstone/rust,09/33] rust: correctly link rust-snapshot into build/stage0

Message ID adb491e29d025f8295e7e9988214988b9dc53ec6.1724874972.git.scott.murray@konsulko.com
State New
Headers show
Series Update to Rust 1.78.0 | expand

Commit Message

Scott Murray Aug. 28, 2024, 8:08 p.m. UTC
From: Alexander Kanavin <alex@linutronix.de>

This does not seem to be used in regular builds, but is beneficial
in rust selftest, where it allows dropping a custom patch
that is unsuitable for upstream (and was rejected by them).

Also remove an obsolete comment that seems related to the code
but describes something that was resolved long time ago.

I have confirmed that the rust selftest continues to pass with just
this one commit on top of master (as the following changes do break
the selftest).

Signed-off-by: Alexander Kanavin <alex@linutronix.de>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(adapted from oe-core commit bf5732e2b235ce06fa1f24fe8f0dbcbc068500e3)
Signed-off-by: Scott Murray <scott.murray@konsulko.com>
---
 recipes-devtools/rust/files/cargo-path.patch | 37 --------------------
 recipes-devtools/rust/rust-source.inc        |  1 -
 recipes-devtools/rust/rust_1.75.0.bb         |  6 ++--
 3 files changed, 2 insertions(+), 42 deletions(-)
 delete mode 100644 recipes-devtools/rust/files/cargo-path.patch
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Patch

diff --git a/recipes-devtools/rust/files/cargo-path.patch b/recipes-devtools/rust/files/cargo-path.patch
deleted file mode 100644
index 9a50c40..0000000
--- a/recipes-devtools/rust/files/cargo-path.patch
+++ /dev/null
@@ -1,37 +0,0 @@ 
-Fix the cargo binary path error and ensure that it is fetched
-during rustc bootstrap in rust oe-selftest.
-
-======================================================================
-ERROR: test_cargoflags (bootstrap_test.BuildBootstrap)
-----------------------------------------------------------------------
-Traceback (most recent call last):
-  File "/home/build-st/tmp/work/cortexa57-poky-linux/rust/1.74.1/rustc-1.74.1-src/src/bootstrap/bootstrap_test.py", line 157, in test_cargoflags
-    args, _ = self.build_args(env={"CARGOFLAGS": "--timings"})
-  File "/home/build-st/tmp/work/cortexa57-poky-linux/rust/1.74.1/rustc-1.74.1-src/src/bootstrap/bootstrap_test.py", line 154, in build_args
-    return build.build_bootstrap_cmd(env), env
-  File "/home/build-st/tmp/work/cortexa57-poky-linux/rust/1.74.1/rustc-1.74.1-src/src/bootstrap/bootstrap.py", line 960, in build_bootstrap_cmd
-    raise Exception("no cargo executable found at `{}`".format(
-Exception: no cargo executable found at `/home/build-st/tmp/work/cortexa57-poky-linux/rust/1.74.1/rustc-1.74.1-src/build/x86_64-unknown-linux-gnu/stage0/bin/cargo`
-
-Upstream-Status: Submitted [https://github.com/rust-lang/rust/pull/120125]
-
-Signed-off-by: Yash Shinde <Yash.Shinde@windriver.com>
----
-diff --git a/src/bootstrap/bootstrap.py b/src/bootstrap/bootstrap.py
---- a/src/bootstrap/bootstrap.py
-+++ b/src/bootstrap/bootstrap.py
-@@ -954,9 +954,11 @@
-         if "RUSTFLAGS_BOOTSTRAP" in env:
-             env["RUSTFLAGS"] += " " + env["RUSTFLAGS_BOOTSTRAP"]
-
--        env["PATH"] = os.path.join(self.bin_root(), "bin") + \
--            os.pathsep + env["PATH"]
--        if not os.path.isfile(self.cargo()):
-+        cargo_bin_path = os.path.join(self.bin_root(), "bin", "cargo")
-+        if not os.path.isfile(cargo_bin_path):
-+            cargo_bin_path = os.getenv("RUST_TARGET_PATH") + "rust-snapshot/bin/cargo"
-+            env["PATH"] = os.path.dirname(cargo_bin_path) + os.pathsep + env["PATH"]
-+        else:
-             raise Exception("no cargo executable found at `{}`".format(
-                 self.cargo()))
-         args = [self.cargo(), "build", "--manifest-path",
diff --git a/recipes-devtools/rust/rust-source.inc b/recipes-devtools/rust/rust-source.inc
index b14221b..c83c8ec 100644
--- a/recipes-devtools/rust/rust-source.inc
+++ b/recipes-devtools/rust/rust-source.inc
@@ -7,7 +7,6 @@  SRC_URI += "https://static.rust-lang.org/dist/rustc-${RUST_VERSION}-src.tar.xz;n
             file://rv32-missing-syscalls.patch;patchdir=${RUSTSRC} \
             file://rv32-rustix-libc-backend.patch;patchdir=${RUSTSRC} \
             file://rv32-cargo-rustix-0.38.19-fix.patch;patchdir=${RUSTSRC} \
-            file://cargo-path.patch;patchdir=${RUSTSRC} \
             file://custom-target-cfg.patch;patchdir=${RUSTSRC} \
             file://rustc-bootstrap.patch;patchdir=${RUSTSRC} \
             file://target-build-value.patch;patchdir=${RUSTSRC} \
diff --git a/recipes-devtools/rust/rust_1.75.0.bb b/recipes-devtools/rust/rust_1.75.0.bb
index 76e1fe2..8ef838e 100644
--- a/recipes-devtools/rust/rust_1.75.0.bb
+++ b/recipes-devtools/rust/rust_1.75.0.bb
@@ -35,8 +35,6 @@  RUST_ALTERNATE_EXE_PATH_NATIVE = "${STAGING_LIBDIR_NATIVE}/llvm-rust/bin/llvm-co
 # own vendoring.
 CARGO_DISABLE_BITBAKE_VENDORING = "1"
 
-# We can't use RUST_BUILD_SYS here because that may be "musl" if
-# TCLIBC="musl". Snapshots are always -unknown-linux-gnu
 setup_cargo_environment () {
     # The first step is to build bootstrap and some early stage tools,
     # these are build for the same target as the snapshot, e.g.
@@ -54,8 +52,8 @@  do_rust_setup_snapshot () {
 
     # Some versions of rust (e.g. 1.18.0) tries to find cargo in stage0/bin/cargo
     # and fail without it there.
-    mkdir -p ${RUSTSRC}/build/${BUILD_SYS}
-    ln -sf ${WORKDIR}/rust-snapshot/ ${RUSTSRC}/build/${BUILD_SYS}/stage0
+    mkdir -p ${RUSTSRC}/build/${RUST_BUILD_SYS}
+    ln -sf ${WORKDIR}/rust-snapshot/ ${RUSTSRC}/build/${RUST_BUILD_SYS}/stage0
 
     # Need to use uninative's loader if enabled/present since the library paths
     # are used internally by rust and result in symbol mismatches if we don't