diff options
Diffstat (limited to 'build-chroot.sh')
| -rwxr-xr-x | build-chroot.sh | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/build-chroot.sh b/build-chroot.sh index a365b69..eea69ab 100755 --- a/build-chroot.sh +++ b/build-chroot.sh @@ -772,6 +772,8 @@ echo "features = [\"system-llvm-libunwind\"]" >> rustc-$RUST_VERSION-overrides.t make -j $THREADS CXX=clang++ make -C tools/minicargo/ -j $THREADS CXX=clang++ tar xf ../../sources/rustc-*.tar* +# NOTE: This patches rust for our version of llvm, instead of relying on years-old editions +patch -p0 < /maple/patches/rustc-src-maple.patch # NOTE: minicargo.mk makes a *lot* of assumptions about the build environment # and most of them are incorrect in our case. As a result, we're stuck # with building rustc ourselves. ~ahill @@ -812,9 +814,18 @@ echo "test = { path = \"../library/test\" }" >> $MRUSTC_STDLIB/Cargo.toml # NOTE: rustc and cargo will pull dependencies from build-std, but will still # attempt to build their own anyways. To prevent dependencies from being # clobbered, rustc and cargo get their own build directories. ~ahill +# NOTE: CFG_COMPILER_HOST_TRIPLE is set during compilation and defines the default target triple +# NOTE: CFG_VERSION is checked and compile time and will result in a strange constant evaluation panic if missing +# NOTE: LLVM_CONFIG is used to provide llvm configuration information to rustc during compilation, it isn't strictly required # NOTE: CFG_RELEASE is required to build rustc_attr. ~ahill # NOTE: CFG_RELEASE_CHANNEL is required to build rustc_metadata. ~ahill # NOTE: RUSTC_INSTALL_BINDIR is required to build rustc_interface. ~ahill +# NOTE: The llvm feature compiles rustc with the llvm backend built in. This is needed as mrustc +# doesn't support building dylibs which are needed for dynamically loadable codegen backends +REAL_LIBRARY_PATH_VAR="LD_LIBRARY_PATH" \ +CFG_COMPILER_HOST_TRIPLE="x86_64-unknown-linux-musl" \ +CFG_VERSION=1.74.0 \ +LLVM_CONFIG=$(which llvm-config) \ CFG_RELEASE=$RUST_VERSION \ CFG_RELEASE_CHANNEL=stable \ RUSTC_INSTALL_BINDIR=bin \ @@ -824,13 +835,17 @@ RUSTC_INSTALL_BINDIR=bin \ -L $(pwd)/build-std \ --manifest-overrides rustc-$RUST_VERSION-overrides.toml \ -j $THREADS \ - rustc-$RUST_VERSION-src/compiler/rustc + rustc-$RUST_VERSION-src/compiler/rustc \ + --features llvm # NOTE: openssl-sys supports LibreSSL, but the version shipped with this version # of rustc only supports up to LibreSSL 3.8.0. We are manually updating # this crate so cargo can be built without downgrading LibreSSL. ~ahill cd rustc-$RUST_VERSION-src/vendor rm -rf openssl-sys* tar xf ../../../../sources/openssl-sys-*.crate +# NOTE: This silences warnings from our newly-built cargo complaining about missing +# checksums for a vendored crate +echo "{\"files\":{}}" > openssl-sys-*/.cargo-checksum.json cd ../.. ./bin/minicargo \ --vendor-dir rustc-$RUST_VERSION-src/vendor \ |