utils/crosstool/ARM/build-install-linux.sh

   1 #!/bin/bash
   2 #
   3 # Compiles and installs a Linux/x86_64 -> Linux/ARM crosstool based on LLVM and
   4 # LLVM-GCC-4.2 using SVN snapshots in provided tarballs.
   5
   6 set -o nounset
   7 set -o errexit
   8
   9 echo -n "Welcome to LLVM Linux/X86_64 -> Linux/ARM crosstool "
  10 echo "builder/installer; some steps will require sudo privileges."
  11
  12 readonly INSTALL_ROOT="${INSTALL_ROOT:-/usr/local/crosstool}"
  13 # Both $USER and root *must* have read/write access to this dir.
  14 readonly SCRATCH_ROOT=$(mktemp -d "${TMPDIR:-/tmp}/llvm-project.XXXXXX")
  15 readonly SRC_ROOT="${SCRATCH_ROOT}/src"
  16 readonly OBJ_ROOT="${SCRATCH_ROOT}/obj"
  17
  18 readonly CROSS_HOST="x86_64-unknown-linux-gnu"
  19 readonly CROSS_TARGET="arm-none-linux-gnueabi"
  20 readonly CROSS_MARCH="${CROSS_MARCH:-armv6}"
  21
  22 readonly CODE_SOURCERY="${INSTALL_ROOT}/codesourcery"
  23 readonly CODE_SOURCERY_PKG_PATH="${CODE_SOURCERY_PKG_PATH:-${HOME}/codesourcery}"
  24 readonly CODE_SOURCERY_HTTP="http://www.codesourcery.com/sgpp/lite/arm/portal/package1787/public"
  25 readonly CODE_SOURCERY_PKG="arm-2007q3-51-arm-none-linux-gnueabi-i686-pc-linux-gnu.tar.bz2"
  26 readonly CODE_SOURCERY_ROOT="${CODE_SOURCERY}/arm-2007q3"
  27 readonly CODE_SOURCERY_BIN="${CODE_SOURCERY_ROOT}/bin"
  28 # Make sure ${CROSS_TARGET}-* binutils are in command path
  29 export PATH="${CODE_SOURCERY_BIN}:${PATH}"
  30
  31 readonly CROSS_TARGET_AS="${CODE_SOURCERY_BIN}/${CROSS_TARGET}-as"
  32 readonly CROSS_TARGET_LD="${CODE_SOURCERY_BIN}/${CROSS_TARGET}-ld"
  33
  34 readonly SYSROOT="${CODE_SOURCERY_ROOT}/${CROSS_TARGET}/libc"
  35
  36 readonly LLVM_PKG_PATH="${LLVM_PKG_PATH:-${HOME}/llvm-project/snapshots}"
  37
  38 # Latest SVN revisions known to be working in this configuration.
  39 readonly LLVM_DEFAULT_REV="74530"
  40 readonly LLVMGCC_DEFAULT_REV="74535"
  41
  42 readonly LLVM_PKG="llvm-${LLVM_SVN_REV:-${LLVM_DEFAULT_REV}}.tar.bz2"
  43 readonly LLVM_SRC_DIR="${SRC_ROOT}/llvm"
  44 readonly LLVM_OBJ_DIR="${OBJ_ROOT}/llvm"
  45 readonly LLVM_INSTALL_DIR="${INSTALL_ROOT}/${CROSS_TARGET}/llvm"
  46
  47 readonly LLVMGCC_PKG="llvm-gcc-4.2-${LLVMGCC_SVN_REV:-${LLVMGCC_DEFAULT_REV}}.tar.bz2"
  48 readonly LLVMGCC_SRC_DIR="${SRC_ROOT}/llvm-gcc-4.2"
  49 readonly LLVMGCC_OBJ_DIR="${OBJ_ROOT}/llvm-gcc-4.2"
  50 readonly LLVMGCC_INSTALL_DIR="${INSTALL_ROOT}/${CROSS_TARGET}/llvm-gcc-4.2"
  51
  52 readonly MAKE_OPTS="${MAKE_OPTS:--j2}"
  53
  54 # Params:
  55 #   $1: directory to be created
  56 #   $2: optional mkdir command prefix, e.g. "sudo"
  57 createDir() {
  58   if [[ ! -e $1 ]]; then
  59     ${2:-} mkdir -p $1
  60   elif [[ -e $1 && ! -d $1 ]]; then
  61     echo "$1 exists but is not a directory; exiting."
  62     exit 3
  63   fi
  64 }
  65
  66 sudoCreateDir() {
  67   createDir $1 sudo
  68   sudo chown ${USER} $1
  69 }
  70
  71 # Prints out and runs the command, but without logging -- intended for use with
  72 # lightweight commands that don't have useful output to parse, e.g. mkdir, tar,
  73 # etc.
  74 runCommand() {
  75   local message="$1"
  76   shift
  77   echo "=> $message"
  78   echo "==> Running: $*"
  79   $*
  80 }
  81
  82 runAndLog() {
  83   local message="$1"
  84   local log_file="$2"
  85   shift 2
  86   echo "=> $message; log in $log_file"
  87   echo "==> Running: $*"
  88   # Pop-up a terminal with the output of the current command?
  89   # e.g.: xterm -e /bin/bash -c "$* >| tee $log_file"
  90   $* &> $log_file
  91   if [[ $? != 0 ]]; then
  92     echo "Error occurred: see most recent log file for details."
  93     exit
  94   fi
  95 }
  96
  97 installCodeSourcery() {
  98   # Unpack the tarball, creating the CodeSourcery dir, if necessary.
  99   if [[ ! -d ${CODE_SOURCERY_ROOT} ]]; then
 100     sudoCreateDir ${CODE_SOURCERY}
 101     cd ${CODE_SOURCERY}
 102     if [[ -e ${CODE_SOURCERY_PKG_PATH}/${CODE_SOURCERY_PKG} ]]; then
 103       runCommand "Unpacking CodeSourcery in ${CODE_SOURCERY}" \
 104           tar jxf ${CODE_SOURCERY_PKG_PATH}/${CODE_SOURCERY_PKG}
 105     else
 106       echo -n "CodeSourcery tarball not found in "
 107       echo "${CODE_SOURCERY_PKG_PATH}/${CODE_SOURCERY_PKG}"
 108       echo -n "Fix the path or download it from "
 109       echo "${CODE_SOURCERY_HTTP}/${CROSS_TARGET}/${CODE_SOURCERY_PKG}"
 110       exit
 111     fi
 112   else
 113     echo "CodeSourcery install dir already exists; skipping."
 114   fi
 115
 116   # Verify our CodeSourcery toolchain installation.
 117   if [[ ! -d "${SYSROOT}" ]]; then
 118     echo -n "Error: CodeSourcery does not contain libc for ${CROSS_TARGET}: "
 119     echo "${SYSROOT} not found."
 120     exit
 121   fi
 122
 123   for tool in ${CROSS_TARGET_AS} ${CROSS_TARGET_LD}; do
 124     if [[ ! -e $tool ]]; then
 125       echo "${tool} not found; exiting."
 126       exit
 127     fi
 128   done
 129 }
 130
 131 installLLVM() {
 132   if [[ -d ${LLVM_INSTALL_DIR} ]]; then
 133     echo "LLVM install dir ${LLVM_INSTALL_DIR} exists; skipping."
 134     return
 135   fi
 136
 137   sudoCreateDir ${LLVM_INSTALL_DIR}
 138
 139   # Unpack LLVM tarball; should create the directory "llvm".
 140   cd ${SRC_ROOT}
 141   runCommand "Unpacking LLVM" tar jxf ${LLVM_PKG_PATH}/${LLVM_PKG}
 142
 143   # Configure, build, and install LLVM.
 144   createDir ${LLVM_OBJ_DIR}
 145   cd ${LLVM_OBJ_DIR}
 146   runAndLog "Configuring LLVM" ${LLVM_OBJ_DIR}/llvm-configure.log \
 147       ${LLVM_SRC_DIR}/configure \
 148       --disable-jit \
 149       --enable-optimized \
 150       --prefix=${LLVM_INSTALL_DIR} \
 151       --target=${CROSS_TARGET} \
 152       --with-llvmgccdir=${LLVMGCC_INSTALL_DIR}
 153   runAndLog "Building LLVM" ${LLVM_OBJ_DIR}/llvm-build.log \
 154       make ${MAKE_OPTS}
 155   runAndLog "Installing LLVM" ${LLVM_OBJ_DIR}/llvm-install.log \
 156       make ${MAKE_OPTS} install
 157 }
 158
 159 installLLVMGCC() {
 160   if [[ -d ${LLVMGCC_INSTALL_DIR} ]]; then
 161     echo "LLVM-GCC install dir ${LLVMGCC_INSTALL_DIR} exists; skipping."
 162     return
 163   fi
 164
 165   sudoCreateDir ${LLVMGCC_INSTALL_DIR}
 166
 167   # Unpack LLVM-GCC tarball; should create the directory "llvm-gcc-4.2".
 168   cd ${SRC_ROOT}
 169   runCommand "Unpacking LLVM-GCC" tar jxf ${LLVM_PKG_PATH}/${LLVMGCC_PKG}
 170
 171   # Configure, build, and install LLVM-GCC.
 172   createDir ${LLVMGCC_OBJ_DIR}
 173   cd ${LLVMGCC_OBJ_DIR}
 174   runAndLog "Configuring LLVM-GCC" ${LLVMGCC_OBJ_DIR}/llvmgcc-configure.log \
 175       ${LLVMGCC_SRC_DIR}/configure \
 176       --enable-languages=c,c++ \
 177       --enable-llvm=${LLVM_INSTALL_DIR} \
 178       --prefix=${LLVMGCC_INSTALL_DIR} \
 179       --program-prefix=llvm- \
 180       --target=${CROSS_TARGET} \
 181       --with-arch=${CROSS_MARCH} \
 182       --with-as=${CROSS_TARGET_AS} \
 183       --with-ld=${CROSS_TARGET_LD} \
 184       --with-sysroot=${SYSROOT}
 185   runAndLog "Building LLVM-GCC" ${LLVMGCC_OBJ_DIR}/llvmgcc-build.log \
 186       make
 187   runAndLog "Installing LLVM-GCC" ${LLVMGCC_OBJ_DIR}/llvmgcc-install.log \
 188       make install
 189 }
 190
 191 echo "Building in ${SCRATCH_ROOT}; installing in ${INSTALL_ROOT}"
 192
 193 createDir ${SRC_ROOT}
 194 createDir ${OBJ_ROOT}
 195
 196 installCodeSourcery
 197 installLLVM
 198 installLLVMGCC
 199
 200 echo "Done."