#!/bin/sh

# This includes the Bourne shell library from llvm-top. Since this file is
# generally only used when building from llvm-top, it is safe to assume that
# llvm is checked out into llvm-top in which case .. just works.
source ../library.sh

# Process the options passed in to us by the build script into standard
# variables. 
process_arguments @Argv

# First, see if the build directory is there. If not, create it.
setglobal build_dir = ""$LLVM_TOP/build.llvm""
if test ! -d $build_dir  {
  mkdir -p $build_dir
}

# See if we have previously been configured by sensing the presence
# of the config.status scripts
setglobal config_status = ""$build_dir/config.status""
if test ! -f $config_status -o $config_status -ot $0  {
  # We must configure so build a list of configure options
  setglobal config_options = ""--prefix=$PREFIX --with-llvmgccdir=$PREFIX""
  if test $OPTIMIZED -eq 1  {
    setglobal config_options = ""$config_options --enable-optimized""
  } else {
    setglobal config_options = ""$config_options --disable-optimized""
  }
  if test $DEBUG -eq 1  {
    setglobal config_options = ""$config_options --enable-debug""
  } else {
    setglobal config_options = ""$config_options --disable-debug""
  }
  if test $ASSERTIONS -eq 1  {
    setglobal config_options = ""$config_options --enable-assertions""
  } else {
    setglobal config_options = ""$config_options --disable-assertions""
  }
  if test $CHECKING -eq 1  {
    setglobal config_options = ""$config_options --enable-expensive-checks""
  } else {
    setglobal config_options = ""$config_options --disable-expensive-checks""
  }
  if test $DOXYGEN -eq 1  {
    setglobal config_options = ""$config_options --enable-doxygen""
  } else {
    setglobal config_options = ""$config_options --disable-doxygen""
  }
  if test $THREADS -eq 1  {
    setglobal config_options = ""$config_options --enable-threads""
  } else {
    setglobal config_options = ""$config_options --disable-threads""
  }
  setglobal config_options = ""$config_options $OPTIONS_DASH $OPTIONS_DASH_DASH""
  setglobal src_dir = $[pwd]
  cd $build_dir
  msg 0 Configuring $module with:
  msg 0 "  $src_dir/configure" $config_options
  $src_dir/configure $config_options || \
    die $Status "Configuring $module module failed"
} else {
  msg 0 Module $module already configured, ignoring configure options.
  cd $build_dir
}

msg 0 Building $module with:
msg 0 "  make" $OPTIONS_ASSIGN tools-only
make $OPTIONS_ASSIGN tools-only