src/ci/docker/dist-x86_64-musl/build-musl.sh

   1 #!/bin/sh
   2 # Copyright 2016 The Rust Project Developers. See the COPYRIGHT
   3 # file at the top-level directory of this distribution and at
   4 # http://rust-lang.org/COPYRIGHT.
   5 #
   6 # Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
   7 # http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
   8 # <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
   9 # option. This file may not be copied, modified, or distributed
  10 # except according to those terms.
  11
  12 set -ex
  13
  14 # We need to mitigate rust-lang/rust#34978 when compiling musl itself as well
  15 export CFLAGS="-fPIC -Wa,-mrelax-relocations=no"
  16 export CXXFLAGS="-Wa,-mrelax-relocations=no"
  17
  18 MUSL=musl-1.1.16
  19 curl https://www.musl-libc.org/releases/$MUSL.tar.gz | tar xzf -
  20 cd $MUSL
  21 ./configure --prefix=/musl-x86_64 --disable-shared
  22 make -j10
  23 make install
  24
  25 cd ..
  26 rm -rf $MUSL
  27
  28 # To build MUSL we're going to need a libunwind lying around, so acquire that
  29 # here and build it.
  30 curl -L https://github.com/llvm-mirror/llvm/archive/release_37.tar.gz | tar xzf -
  31 curl -L https://github.com/llvm-mirror/libunwind/archive/release_37.tar.gz | tar xzf -
  32
  33 mkdir libunwind-build
  34 cd libunwind-build
  35 cmake ../libunwind-release_37 -DLLVM_PATH=/build/llvm-release_37 \
  36           -DLIBUNWIND_ENABLE_SHARED=0
  37 make -j10
  38 cp lib/libunwind.a /musl-x86_64/lib