Part 2 of 3: Moving tools/llvm to pnacl/

tools/llvm/unsupported/llvm-cs-toolchain-creator.sh

Index: tools/llvm/unsupported/llvm-cs-toolchain-creator.sh
===================================================================
--- tools/llvm/unsupported/llvm-cs-toolchain-creator.sh	(revision 7025)
+++ tools/llvm/unsupported/llvm-cs-toolchain-creator.sh	(working copy)
@@ -1,296 +0,0 @@
-#!/bin/bash
-# Copyright 2010 The Native Client Authors.  All rights reserved.
-# Use of this source code is governed by a BSD-style license that can
-# be found in the LICENSE file.
-#
-#@ This script builds and llvm/cs based cross toolchain for
-#@ benchmarking puposes
-#@ NOTE: It must be run from the native_client/ directory.
-
-######################################################################
-# Config
-######################################################################
-
-set -o nounset
-set -o errexit
-
-# NOTE: gcc and llvm have to be synchronized
-#       we have chosen toolchains which both are based on gcc-4.2.1
-
-readonly INSTALL_ROOT=$(pwd)/toolchain/llvm-cs
-
-readonly CROSS_TARGET=arm-none-linux-gnueabi
-readonly LLVM_INSTALL_DIR="${INSTALL_ROOT}/${CROSS_TARGET}/llvm"
-readonly LLVMGCC_INSTALL_DIR="${INSTALL_ROOT}/${CROSS_TARGET}/llvm-gcc-4.2"
-
-readonly LLVMGCC_TARBALL=$(pwd)/../third_party/llvm/llvm-gcc-4.2-88663.tar.bz2
-readonly LLVM_TARBALL=$(pwd)/../third_party/llvm/llvm-88663.tar.bz2
-
-readonly MAKE_OPTS="-j8 VERBOSE=1"
-
-readonly TMP=/tmp/llvm-cs
-
-# These are simple compiler wrappers to force 32bit builds
-readonly CC32=$(readlink -f tools/llvm/mygcc32)
-readonly CXX32=$(readlink -f tools/llvm/myg++32)
-
-
-readonly CODE_SOURCERY_ROOT=${INSTALL_ROOT}/codesourcery
-readonly CROSS_TARGET_AS="${CODE_SOURCERY_ROOT}/arm-2007q3/bin/${CROSS_TARGET}-as"
-readonly CROSS_TARGET_LD="${CODE_SOURCERY_ROOT}/arm-2007q3/bin/${CROSS_TARGET}-ld"
-
-readonly SYSROOT="${CODE_SOURCERY_ROOT}/arm-2007q3/${CROSS_TARGET}/libc"
-
-readonly CS_URL=http://www.codesourcery.com/sgpp/lite/arm/portal/package1787/public/arm-none-linux-gnueabi/arm-2007q3-51-arm-none-linux-gnueabi-i686-pc-linux-gnu.tar.bz2
-
-######################################################################
-# Helper
-######################################################################
-
-Banner() {
-  echo "######################################################################"
-  echo "$@"
-  echo "######################################################################"
-}
-
-
-SubBanner() {
-  echo "......................................................................"
-  echo "$@"
-  echo "......................................................................"
-}
-
-
-Usage() {
-  egrep "^#@" $0 | cut --bytes=3-
-}
-
-
-DownloadOrCopy() {
-  if [[ -f "$2" ]] ; then
-    echo "$2 already in place"
-  elif [[ $1 =~  'http://' ]] ; then
-    SubBanner "downloading from $1"
-    wget $1 -O $2
-  else
-    SubBanner "copying from $1"
-    cp $1 $2
-  fi
-}
-
-
-# Use this when not a lot of output is expected
-Run() {
-  local message=$1
-  shift
-  SubBanner "${message}"
-  echo "COMMMAND: $@"
-  "$@" || {
-    echo
-    Banner "ERROR: $@"
-    exit -1
-  }
-}
-
-
-RunWithLog() {
-  local message=$1
-  local log=$2
-  shift 2
-  SubBanner "${message}"
-  echo "LOGFILE: ${log}"
-  echo "PWD: $(pwd)"
-  echo "COMMMAND: $@"
-  "$@" > ${log} 2>&1 || {
-    tail -1000 ${log}
-    echo
-    Banner "ERROR"
-    echo "LOGFILE: ${log}"
-    echo "PWD: $(pwd)"
-    echo "COMMMAND: $@"
-    exit -1
-  }
-}
-
-######################################################################
-#
-######################################################################
-
-# some sanity checks to make sure this script is run from the right place
-PathSanityCheck() {
-  if [[ $(basename $(pwd)) != "native_client" ]] ; then
-    echo "ERROR: run this script from the native_client/ dir"
-    exit -1
-  fi
-
-  if ! mkdir -p "${INSTALL_ROOT}" ; then
-     echo "ERROR: ${INSTALL_ROOT} can't be created."
-    exit -1
-  fi
-}
-
-
-# TODO(robertm): consider wiping all of ${BASE_DIR}
-ClearInstallDir() {
-  Banner "clearing dirs in ${INSTALL_ROOT}"
-  rm -rf ${INSTALL_ROOT}/*
-}
-
-
-DownloadOrCopyAndInstallSourcery() {
-  local tarball="${TMP}/${CS_URL##*/}"
-  DownloadOrCopy ${CS_URL} ${tarball}
-  rm -rf ${CODE_SOURCERY_ROOT}
-  mkdir -p ${CODE_SOURCERY_ROOT}
-  tar jxf  ${tarball} -C  ${CODE_SOURCERY_ROOT}
-
-  # Verify our CodeSourcery toolchain installation.
-  if [[ ! -d "${SYSROOT}" ]]; then
-    echo -n "Error: CodeSourcery does not contain libc for ${CROSS_TARGET}: "
-    echo "${SYSROOT} not found."
-    exit -1
-  fi
-
-  for tool in ${CROSS_TARGET_AS} ${CROSS_TARGET_LD}; do
-    if [[ ! -e $tool ]]; then
-      echo "${tool} not found; exiting."
-      exit -1
-    fi
-  done
-}
-
-
-
-# Build basic llvm tools
-ConfigureAndBuildLlvm() {
-  local saved_dir=$(pwd)
-  local tmpdir=${TMP}/llvm
-  Banner "Building llvm in ${tmpdir}"
-  rm -rf ${tmpdir}
-  mkdir -p ${tmpdir}
-  cd ${tmpdir}
-
-  Run "Untaring" tar jxf ${LLVM_TARBALL}
-  cd llvm
-
-  RunWithLog "Configure" ${TMP}/llvm.configure.log\
-      env -i PATH=/usr/bin/:/bin \
-          CC=${CC32} \
-          CXX=${CXX32} \
-          ./configure \
-          --disable-jit \
-          --enable-optimized \
-          --enable-targets=arm \
-          --target=arm-none-linux-gnueabi \
-          --prefix=${LLVM_INSTALL_DIR} \
-          --with-llvmgccdir=${LLVMGCC_INSTALL_DIR}
-
-  RunWithLog "Make" ${TMP}/llvm.make.log \
-    env -i PATH=/usr/bin/:/bin \
-           CC=${CC32} \
-           CXX=${CXX32} \
-           make ${MAKE_OPTS}
-
-  RunWithLog "Installing LLVM" ${TMP}/llvm-install.log \
-       make ${MAKE_OPTS} install
-
-  cd ${saved_dir}
-}
-
-
-ConfigureAndBuildGcc() {
-  local tmpdir=${TMP}/llvm-gcc
-  local saved_dir=$(pwd)
-
-  Banner "Building llvmgcc in ${tmpdir}"
-
-  rm -rf ${tmpdir}
-  mkdir -p ${tmpdir}
-  cd ${tmpdir}
-
-  Run "Untaring llvm-gcc" \
-    tar jxf ${LLVMGCC_TARBALL}
-
-  # NOTE: you cannot build llvm-gcc inside the source directory
-  mkdir -p build
-  cd build
-  # TODO(robertm): do we really need CROSS_TARGET_*
-  RunWithLog "Configure" ${TMP}/llvm-gcc.configure.log \
-      env -i PATH=/usr/bin/:/bin \
-          CC=${CC32} \
-          CXX=${CXX32} \
-          CFLAGS="-Dinhibit_libc" \
-          CXXFLAGS="-Dinhibit_libc" \
-          ../llvm-gcc-4.2/configure \
-          --prefix=${LLVMGCC_INSTALL_DIR} \
-          --enable-llvm=${LLVM_INSTALL_DIR} \
-          --program-prefix=llvm- \
-          --disable-libmudflap \
-          --disable-decimal-float \
-          --disable-libssp \
-          --disable-libgomp \
-          --enable-languages=c,c++ \
-          --disable-threads \
-          --disable-libstdcxx-pch \
-          --disable-shared \
-          --target=${CROSS_TARGET} \
-          --with-arch=armv6 \
-          --with-fpu=vfp \
-          --with-as=${CROSS_TARGET_AS} \
-          --with-ld=${CROSS_TARGET_LD} \
-          --with-sysroot=${SYSROOT}
-
-  RunWithLog "Make" ${TMP}/llvm-gcc.make.log \
-      env -i PATH=/usr/bin/:/bin:${CODE_SOURCERY_ROOT}/arm-2007q3/bin \
-          CC=${CC32} \
-          CXX=${CXX32} \
-          make \
-          ${MAKE_OPTS}
-
-  RunWithLog "Install" ${TMP}/llvm-gcc.install.log \
-      env -i PATH=/usr/bin/:/bin:${CODE_SOURCERY_ROOT}/arm-2007q3/bin \
-          make install
-
-  cd ${saved_dir}
-}
-
-
-
-######################################################################
-# Main
-######################################################################
-if [ $# -eq 0 ] ; then
-  echo
-  echo "ERROR: you must specify a mode on the commandline:"
-  echo
-  Usage
-  exit -1
-fi
-
-MODE=$1
-shift
-
-#@
-#@ help
-#@
-#@   print help for all modes
-if [ $MODE} = 'help' ] ; then
-  Usage
-  exit 0
-fi
-
-#@
-#@ toolchain
-#@
-#@    create an llvm/cs based toolchain
-if [ ${MODE} = 'toolchain' ] ; then
-  mkdir -p ${TMP}
-  PathSanityCheck
-  ClearInstallDir
-  DownloadOrCopyAndInstallSourcery
-  ConfigureAndBuildLlvm
-  ConfigureAndBuildGcc
-fi
-
-echo "ERROR: unknown mode ${MODE}"
-exit -1