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tell build script about llvm version 

this will be needed to support compiler-rt build + installation later.
This commit is contained in:
Lily Tsuru 2023-07-17 00:21:20 -04:00
parent 42dcddafdb
commit 8c5afad607
3 changed files with 17 additions and 15 deletions
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17
Containerfile.llvm
View File

@ -1,22 +1,21 @@
# global arguments
ARG LLVM_SOURCE_URL="https://github.com/llvm/llvm-project/releases/download/llvmorg-16.0.0/llvm-project-16.0.0.src.tar.xz"
ARG LLVM_VERSION="16"
# the base layer.
FROM debian:oldstable AS base
ENV DEBIAN_FRONTEND="noninteractive"
RUN apt-get update
# base layer for building
# base layer for building anything
FROM base AS build-base
WORKDIR /build
ARG BUILD_DEPS="curl ca-certificates build-essential python3 cmake ninja-build pkg-config git zlib1g-dev"
RUN apt-get install -y --no-install-recommends $BUILD_DEPS
# This comes with the LLVM source code extracted to /build/llvm
# This layer extracts the LLVM source code extracted to /build/llvm
FROM build-base as llvm-base
ARG LLVM_SOURCE_URL="https://github.com/llvm/llvm-project/releases/download/llvmorg-16.0.0/llvm-project-16.0.0.src.tar.xz"
ARG LLVM_VERSION="16"
ARG LLVM_SOURCE_URL
RUN mkdir llvm && \
cd llvm && \
curl -L $LLVM_SOURCE_URL | tar --strip-components=1 -xJf -
@ -26,5 +25,7 @@ RUN mkdir llvm && \
# /build/llvm-bin is expected to be mounted to a host directory.
FROM llvm-base as llvm-build
COPY scripts/build_llvm.sh .
ENTRYPOINT ["/bin/bash", "-xeuo", "pipefail", "-O", "globstar", "-O", "dotglob"]
ARG LLVM_VERSION
ENV LLVM_VERSION=$LLVM_VERSION
ENTRYPOINT [ "/bin/bash" ]
CMD [ "/build/build_llvm.sh" ]

2
README.md
View File

@ -18,7 +18,7 @@ LLVM is built using a podman container (see Containerfile). The steps for replic
```
mkdir llvm_build
podman build -t llvm-build -f Containerfile.llvm
podman run --cpus 16 -m 8G --mount type=bind,source=$PWD/llvm_build,destination=/build/llvm-bin localhost/llvm-build
podman run --cpus 16 -m 8G --mount type=bind,source=$PWD/llvm_build,destination=/build/llvm-build localhost/llvm-build
```

13
scripts/build_llvm.sh
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@ -1,25 +1,26 @@
#!/bin/bash
# This script builds the llvm components used by the LCPU addon.
# This is run in a debian container to try and keep everything ABI stable
# This is run in a debian container to try and keep everything ABI stable.
JOBS=$(nproc)
# Configure LLVM. THis is a mouthful, but it's only a mouthful because we specialize things we don't
# want in our minimal build of the LLVM project/clang.
cmake -GNinja -S /build/llvm/llvm -B /build/llvm-bin/build \
cmake -Wno-dev -GNinja -S /build/llvm/llvm -B /build/llvm-build/build \
-DCMAKE_BUILD_TYPE=MinSizeRel \
-DCMAKE_INSTALL_PREFIX="/build/llvm-bin/install" \
-DCMAKE_INSTALL_PREFIX="/build/llvm-build/install" \
-DLLVM_INCLUDE_TESTS=OFF \
-DLLVM_ENABLE_PROJECTS="clang;lld" \
-DLLVM_TARGETS_TO_BUILD="RISCV" \
-DLLVM_DEFAULT_TARGET_TRIPLE="riscv32-none-gnu"
ninja -C /build/llvm-bin/build -j $JOBS
# TODO: Configure and build compiler-rt with our toolchain.
#cmake -GNinja -S llvm_src/compiler-rt \
# TODO: Build compiler-rt with our toolchain.
# This currently does not work as a single build (why would it), we instead
# need to stage things (the first building clang + lld), and this being the last stage currently
#cmake -Wno-dev -GNinja -S llvm_src/compiler-rt \
# -DCOMPILER_RT_BUILD_SANITIZERS=OFF \
# -DCOMPILER_RT_BUILD_LIBFUZZER=OFF \
# -DCOMPILER_RT_BUILD_PROFILE=OFF \