rustc-1.66.1-0.build.sh

#! /bin/bash

PKG=rustc
VERSION=1.66.1
BUILD=0

PREFIX=/pkg/$PKG-$VERSION-$BUILD
if [ -n "$TESTING" ]; then PREFIX=/scratch/local2/$PKG-$VERSION-$BUILD ; fi

set -xe
umask 022

BUILD_TMPDIR=/dev/shm/$PKG-$VERSION-$BUILD.build.tmp
test -d $BUILD_TMPDIR && rm -rf $BUILD_TMPDIR
mkdir -p $BUILD_TMPDIR/home
export TMPDIR=$BUILD_TMPDIR
export HOME=$BUILD_TMPDIR/home

exec </dev/null

mkdir -p $PREFIX
cat >$PREFIX/profile <<-EOF
	PATH=$PREFIX/bin:\$PATH
	LD_LIBRARY_PATH=$PREFIX/lib:\$LD_LIBRARY_PATH
	export PATH LD_LIBRARY_PATH
	if [ -d /pkg/${PKG}-${VERSION}-${BUILD}/.compatlibs ]; then LD_LIBRARY_PATH=${PREFIX}/.compatlibs\${LD_LIBRARY_PATH:+:\$LD_LIBRARY_PATH} ; fi
EOF
. $PREFIX/profile

export MAKEFLAGS="-j $(nproc)"

BUILDDIR=$PREFIX/build

mkdir -p $BUILDDIR
cd $BUILDDIR

test -e $PKG-$VERSION-src.tar.gz || wget https://static.rust-lang.org/dist/$PKG-$VERSION-src.tar.gz
test -d $PKG-$VERSION-src        || tar xvf $PKG-$VERSION-src.tar.gz
cd $PKG-$VERSION-src

# https://github.com/rust-lang/rust/commit/bcb75e61abc1be1da63a781b737cad9b273ee411
patch -p1 << EOF
From e5c92bc2b6f0bd69856ad3c4d3056c7f0c0ad72d Mon Sep 17 00:00:00 2001
From: Oli Scherer <git-spam-no-reply9815368754983@oli-obk.de>
Date: Mon, 19 Dec 2022 14:48:45 +0000
Subject: [PATCH] Don't panic on stable since miri is not available there

---
 src/bootstrap/install.rs | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/src/bootstrap/install.rs b/src/bootstrap/install.rs
index c53d0d7e4cb7c..1815a0973072b 100644
--- a/src/bootstrap/install.rs
+++ b/src/bootstrap/install.rs
@@ -200,10 +200,14 @@ install!((self, builder, _config),
         install_sh(builder, "clippy", self.compiler.stage, Some(self.target), &tarball);
     };
     Miri, alias = "miri", Self::should_build(_config), only_hosts: true, {
-        let tarball = builder
-            .ensure(dist::Miri { compiler: self.compiler, target: self.target })
-            .expect("missing miri");
-        install_sh(builder, "miri", self.compiler.stage, Some(self.target), &tarball);
+        if let Some(tarball) = builder.ensure(dist::Miri { compiler: self.compiler, target: self.target }) {
+            install_sh(builder, "miri", self.compiler.stage, Some(self.target), &tarball);
+        } else {
+            // Miri is only available on nightly
+            builder.info(
+                &format!("skipping Install miri stage{} ({})", self.compiler.stage, self.target),
+            );
+        }
     };
     LlvmTools, alias = "llvm-tools", Self::should_build(_config), only_hosts: true, {
         let tarball = builder
EOF

cat << EOF > config.toml
# see config.toml.example for more possible options
[llvm]

# use ninja
ninja = true

targets = "X86"
# When compiling LLVM, the experimental targets (WebAssembly
# and RISCV) are built by default - omit them
experimental-targets = ""

[build]
# omit HTML docs to save time and space (comment this to build them)
docs = false

# install cargo as well as rust
extended = true

vendor = true

[install]
# Adjust the prefix for the desired destination
prefix = "$PREFIX"
sysconfdir = "etc"

# docdir is used even if the full awesome docs are not installed
docdir = "share/doc/rustc-${VERSION}"

[rust]
channel = "stable"
rpath = false

# BLFS does not install the FileCheck executable from llvm,
# so disable codegen tests
codegen-tests = false

# get a trace if there is an Internal Compiler Exception
backtrace-on-ice = false

EOF

export RUSTFLAGS="$RUSTFLAGS -C link-args=-lffi" &&
python3 ./x.py build --exclude src/tools/miri

python3 ./x.py install

cd ${BUILDDIR}

BINDGENVERS=0.24.3

test -e ${BUILDDIR}/cbindgen-${BINDGENVERS}.tar.gz || wget https://github.com/eqrion/cbindgen/archive/v${BINDGENVERS}/cbindgen-${BINDGENVERS}.tar.gz -O ${BUILDDIR}/cbindgen-${BINDGENVERS}.tar.gz
test -d cbindgen-${BINDGENVERS} || tar xvf ${BUILDDIR}/cbindgen-${BINDGENVERS}.tar.gz

cd cbindgen-${BINDGENVERS}

source ${PREFIX}/profile

cargo build --release
install -Dm755 target/release/cbindgen $PREFIX/bin


exit