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#!/usr/bin/env bash
GIT_REPO="https://github.com/rust-lang/gcc"
# This commit hash needs to be updated to use a more recent gcc fork version.
GIT_COMMIT="45648c2edd4ecd862d9f08196d3d6c6ccba79f07"
set -ex
cd $1
source shared.sh
# Setting up folders for GCC
curl -L "$GIT_REPO/archive/$GIT_COMMIT.tar.gz" |
tar -xz --transform "s/gcc-$GIT_COMMIT/gcc-src/"
mkdir gcc-build gcc-install
pushd gcc-build
# Building GCC.
hide_output \
../gcc-src/configure \
--enable-host-shared \
--enable-languages=jit \
--enable-checking=release \
--disable-bootstrap \
--disable-multilib \
--prefix=$(pwd)/../gcc-install \
hide_output make -j$(nproc)
hide_output make install
popd
rm -rf gcc-src gcc-build
ln -s /scripts/gcc-install/lib/libgccjit.so /usr/lib/x86_64-linux-gnu/libgccjit.so
ln -s /scripts/gcc-install/lib/libgccjit.so /usr/lib/x86_64-linux-gnu/libgccjit.so.0
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