Rewrited build script for instrumented libraries from bash to python

third_party/instrumented_libraries/download_build_install.sh

-#!/bin/bash
-# Copyright 2013 The Chromium Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-# Downloads, builds (with instrumentation) and installs shared libraries.
-
-# Go to this shell script directory
-cd $(dirname "$0")
-
-# Colored print.
-
-RED_COLOR='\e[0;31m'
-GREEN_COLOR='\e[0;32m'
-NO_COLOR='\e[0m'
-
-function echo_red {
-  echo -e "${RED_COLOR}$1${NO_COLOR}"
-}
-
-function echo_green {
-  echo -e "${GREEN_COLOR}$1${NO_COLOR}"
-}
-
-# Default values.
-
-product_dir=$(pwd)
-intermediate_dir=$(pwd)
-
-# Should be without spaces to pass it to dpkg-buildpackage.
-makejobs="-j14"
-
-# Parsing args.
-
-while getopts ":i:l:m:hp:s:j:" opt; do
-  case ${opt} in
-    p)
-      echo_green "Only installing dependencies (requires root access)"
-      echo_green "Installing dependencies for: ${OPTARG}"
-      sudo apt-get -y --no-remove build-dep ${OPTARG}
-      exit
-      ;;
-    h)
-      echo "Possible flags:
-        -p - install dependencies for packages,
-        -h - this help,
-        -l - which library to build,
-        -i - sets relative product_dir,
-        -s - sanitizer (only asan is supported now)."
-      echo "Environment variabless, which affect this script: CC and CXX"
-      exit
-      ;;
-    i)
-      product_dir="$(pwd)/${OPTARG}"
-      ;;
-    l)
-      library="${OPTARG}"
-      ;;
-    m)
-      intermediate_dir="${OPTARG}"
-      ;;
-    j)
-      makejobs="-j${OPTARG}"
-      ;;
-    s)
-      sanitizer_type="${OPTARG}"
-      if [[ "${OPTARG}" == "asan" ]]; then
-        sanitizer_flag_string="address"
-      else
-        echo_red "Invalid sanitizer: ${OPTARG}" >&2
-        exit 1
-      fi
-      ;;
-    *)
-      echo_red "Invalid option: -${OPTARG}" >&2
-      exit 1
-      ;;
-  esac
-done
-
-if [[ -z "${library}" ]]; then
-  echo_red "No library specified to build" >&2
-  exit 1
-fi
-
-if [[ -z "${sanitizer_type}" ]]; then
-  echo_red "No sanitizer specified" >&2
-  exit
-fi
-
-export CFLAGS="-fsanitize=${sanitizer_flag_string} -g -fPIC -w"
-export CXXFLAGS="-fsanitize=${sanitizer_flag_string} -g -fPIC -w"
-
-# We use XORIGIN as RPATH and after building library replace it to $ORIGIN
-# The reason: this flag goes through configure script and makefiles
-# differently for different libraries. So the dollar sign "$" should be
-# differently escaped. Instead of having problems with that it just
-# uses XORIGIN to build library and after that replaces it to $ORIGIN
-# directly in .so file.
-export LDFLAGS="-Wl,-z,origin -Wl,-R,XORIGIN/."
-
-mkdir -p ${product_dir}/instrumented_libraries/${sanitizer_type}
-
-needed_dependencies=$(apt-get -s build-dep ${library} | grep Inst \
-  | cut -d " " -f 2)
-
-if [[ -n "${needed_dependencies}" ]]; then
-  echo_red "Library ${library} needs dependencies: ${needed_dependencies}" >&2
-  echo_red "Please, install dependencies using:
-    third_party/instrumented_libraries/download_build_install -p ${library}" >&2
-  exit 1
-fi
-
-(
-  # Downloading library
-  mkdir -p ${intermediate_dir}/${library}
-  cd ${intermediate_dir}/${library}
-  apt-get source ${library} 2>&1
-
-  # cd into the only directory in the current folder
-  # where our package has been unpacked.
-  cd $(ls -F |grep \/$)
-
-  # Build library
-  ./configure --prefix="${product_dir}/instrumented_libraries/${sanitizer_type}"
-  make ${makejobs}
-
-  # Install library
-  make ${makejobs} install 2>&1
-) > /dev/null
-
-# Mark that library is installed.
-# This file is used by GYP as 'output' to mark that it's already build
-# while making incremental build.
-touch ${product_dir}/instrumented_libraries/${sanitizer_type}/${library}.txt
-
-# Clean up.
-rm -rf ${intermediate_dir}/${library}