src/ci/docker/dist-fuchsia/build-toolchain.sh

   1 #!/bin/bash
   2 # Copyright 2017 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 source shared.sh
  14
  15 # Download sources
  16 SRCS=(
  17   "https://fuchsia.googlesource.com/magenta magenta ac69119"
  18   "https://fuchsia.googlesource.com/third_party/llvm llvm 5463083"
  19   "https://fuchsia.googlesource.com/third_party/clang llvm/tools/clang 4ff7b4b"
  20   "https://fuchsia.googlesource.com/third_party/lld llvm/tools/lld fd465a3"
  21   "https://fuchsia.googlesource.com/third_party/lldb llvm/tools/lldb 6bb11f8"
  22   "https://fuchsia.googlesource.com/third_party/compiler-rt llvm/runtimes/compiler-rt 52d4ecc"
  23   "https://fuchsia.googlesource.com/third_party/libcxx llvm/runtimes/libcxx e891cc8"
  24   "https://fuchsia.googlesource.com/third_party/libcxxabi llvm/runtimes/libcxxabi f0f0257"
  25   "https://fuchsia.googlesource.com/third_party/libunwind llvm/runtimes/libunwind 50bddc1"
  26 )
  27
  28 fetch() {
  29   mkdir -p $2
  30   pushd $2 > /dev/null
  31   curl -sL $1/+archive/$3.tar.gz | tar xzf -
  32   popd > /dev/null
  33 }
  34
  35 for i in "${SRCS[@]}"; do
  36   fetch $i
  37 done
  38
  39 # Build toolchain
  40 cd llvm
  41 mkdir build
  42 cd build
  43 hide_output cmake -GNinja \
  44   -DFUCHSIA_SYSROOT=${PWD}/../../magenta/third_party/ulib/musl \
  45   -DLLVM_ENABLE_LTO=OFF \
  46   -DCLANG_BOOTSTRAP_PASSTHROUGH=LLVM_ENABLE_LTO \
  47   -C ../tools/clang/cmake/caches/Fuchsia.cmake \
  48   ..
  49 hide_output ninja stage2-distribution
  50 hide_output ninja stage2-install-distribution
  51 cd ../..
  52
  53 # Build sysroot
  54 rm -rf llvm/runtimes/compiler-rt
  55 ./magenta/scripts/download-toolchain
  56
  57 build_sysroot() {
  58   local arch="$1"
  59
  60   case "${arch}" in
  61     x86_64) tgt="magenta-pc-x86-64" ;;
  62     aarch64) tgt="magenta-qemu-arm64" ;;
  63   esac
  64
  65   hide_output make -C magenta -j$(getconf _NPROCESSORS_ONLN) $tgt
  66   dst=/usr/local/${arch}-unknown-fuchsia
  67   mkdir -p $dst
  68   cp -r magenta/build-${tgt}/sysroot/include $dst/
  69   cp -r magenta/build-${tgt}/sysroot/lib $dst/
  70
  71   cd llvm
  72   mkdir build-runtimes-${arch}
  73   cd build-runtimes-${arch}
  74   hide_output cmake -GNinja \
  75     -DCMAKE_C_COMPILER=clang \
  76     -DCMAKE_CXX_COMPILER=clang++ \
  77     -DCMAKE_AR=/usr/local/bin/llvm-ar \
  78     -DCMAKE_RANLIB=/usr/local/bin/llvm-ranlib \
  79     -DCMAKE_INSTALL_PREFIX= \
  80     -DLLVM_MAIN_SRC_DIR=${PWD}/.. \
  81     -DLLVM_BINARY_DIR=${PWD}/../build \
  82     -DLLVM_ENABLE_WERROR=OFF \
  83     -DCMAKE_BUILD_TYPE=Release \
  84     -DLLVM_INCLUDE_TESTS=ON \
  85     -DCMAKE_SYSTEM_NAME=Fuchsia \
  86     -DCMAKE_C_COMPILER_TARGET=${arch}-fuchsia \
  87     -DCMAKE_CXX_COMPILER_TARGET=${arch}-fuchsia \
  88     -DUNIX=1 \
  89     -DLIBCXX_HAS_MUSL_LIBC=ON \
  90     -DLIBCXXABI_USE_LLVM_UNWINDER=ON \
  91     -DCMAKE_SYSROOT=${dst} \
  92     -DCMAKE_C_COMPILER_FORCED=TRUE \
  93     -DCMAKE_CXX_COMPILER_FORCED=TRUE \
  94     -DLLVM_ENABLE_LIBCXX=ON \
  95     -DCMAKE_EXE_LINKER_FLAGS="-nodefaultlibs -lc" \
  96     -DCMAKE_SHARED_LINKER_FLAGS="$(clang --target=${arch}-fuchsia -print-libgcc-file-name)" \
  97     ../runtimes
  98   hide_output env DESTDIR="${dst}" ninja install
  99   cd ../..
 100 }
 101
 102 build_sysroot "x86_64"
 103 build_sysroot "aarch64"
 104
 105 rm -rf magenta llvm
 106
 107 for arch in x86_64 aarch64; do
 108   for tool in clang clang++; do
 109     cat >/usr/local/bin/${arch}-unknown-fuchsia-${tool} <<EOF
 110 #!/bin/sh
 111 ${tool} --target=${arch}-unknown-fuchsia --sysroot=/usr/local/${arch}-unknown-fuchsia "\$@"
 112 EOF
 113     chmod +x /usr/local/bin/${arch}-unknown-fuchsia-${tool}
 114   done
 115   ln -s /usr/local/bin/llvm-ar /usr/local/bin/${arch}-unknown-fuchsia-ar
 116 done