Adds a flag "use_instrumented_libraries" and corresponding target with 2 simple libs

third_party/instrumented_libraries/download_build_install.sh

+#!/bin/bash
+# Copyright (c) 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}