mirror of
https://github.com/rui314/mold.git
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38 lines
1.3 KiB
Bash
Executable File
38 lines
1.3 KiB
Bash
Executable File
#!/bin/bash -x
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# This is a shell script to build a statically-linked mold
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# executable using Docker, so that it is easy to build mold
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# on non-Ubuntu 20.04 machines.
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#
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# A docker image used for building mold is persistent.
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# Run `docker image rm mold-build-ubuntu20` to remove the image
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# from disk.
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set -e
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# If the existing file is not statically-linked, remove it.
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[ -f mold ] && ! ldd mold 2>&1 | grep -q 'not a dynamic executable' && \
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rm mold
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cat <<EOF | docker build -t mold-build-ubuntu20 -
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FROM ubuntu:20.04
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RUN apt-get update && \
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TZ=Europe/London apt-get install -y tzdata && \
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apt-get install -y build-essential git clang lld cmake \
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libstdc++-10-dev libxxhash-dev zlib1g-dev libssl-dev && \
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rm -rf /var/lib/apt/lists/*
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EOF
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LDFLAGS='-fuse-ld=lld -static'
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# libstdc++'s `std::__glibcxx_rwlock_rdlock` refers these symbols
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# as weak symbols, although they need to be defined. Otherwise,
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# the program crashes after juping to address 0.
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# So, we force loading symbols as a workaround.
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LDFLAGS="$LDFLAGS -Wl,-u,pthread_rwlock_rdlock"
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LDFLAGS="$LDFLAGS -Wl,-u,pthread_rwlock_unlock"
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LDFLAGS="$LDFLAGS -Wl,-u,pthread_rwlock_wrlock"
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docker run -it --rm -v `pwd`:/mold -u $(id -u):$(id -g) \
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mold-build-ubuntu20 \
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make -C /mold -j$(nproc) EXTRA_LDFLAGS="$LDFLAGS"
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