Re-committing http://codereview.chromium.org/6803005/ after fixing multi-dll build:

third_party/libphonenumber/cpp/CMakeLists.txt

+# Copyright (C) 2011 Google Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Author: Philippe Liard
+
+cmake_minimum_required (VERSION 2.8)
+
+project (libphonenumber)
+
+# Helper functions dealing with finding libraries and programs this library
+# depends on.
+
+function (print_error DESCRIPTION FILE)
+  message (FATAL_ERROR
+    "Can't find ${DESCRIPTION}: can't locate ${FILE}. Please read the README.")
+endfunction ()
+
+# Find a library. If it has not been found, stop CMake with a fatal error
+# message.
+function (find_required_library NAME HEADER LIBRARY DESCRIPTION)
+  # Check the header.
+  find_path (${NAME}_INCLUDE_DIR ${HEADER})
+  set (INCLUDE_DIR ${${NAME}_INCLUDE_DIR})
+
+  if (${INCLUDE_DIR} STREQUAL "${INCLUDE_DIR}-NOTFOUND")
+    print_error (${DESCRIPTION} ${HEADER})
+  endif ()
+  include_directories (${INCLUDE_DIR})
+  # Check the binary.
+  find_library (${NAME}_LIB ${LIBRARY})
+  set (LIB ${NAME}_LIB)
+
+  if (${LIB} STREQUAL "${LIB}-NOTFOUND")
+    print_error (${DESCRIPTION} ${LIBRARY})
+  endif ()
+endfunction (find_required_library)
+
+# Check the library version (if pkg-config available).
+find_package (PkgConfig)
+function (check_library_version NAME LIBRARY VERSION)
+  if (PKG_CONFIG_EXECUTABLE)
+    pkg_check_modules (NAME REQUIRED ${LIBRARY}>=${VERSION})
+  endif (PKG_CONFIG_EXECUTABLE)
+endfunction ()
+
+# Find a program. If it has not been found, stop CMake with a fatal error
+# message.
+function (find_required_program NAME FILENAME DESCRIPTION)
+  find_program (${NAME}_BIN NAMES ${FILENAME})
+
+  if (${NAME}_BIN STREQUAL "${${NAME}_BIN}-NOTFOUND")
+    print_error (${DESCRIPTION} ${FILENAME})
+  endif ()
+endfunction (find_required_program)
+
+# Find all the required libraries and programs.
+find_required_library (GTEST gtest/gtest.h gtest "Google Test framework")
+
+find_required_library (RE2 re2/re2.h re2 "Google RE2")
+
+find_required_library (PROTOBUF google/protobuf/message_lite.h protobuf
+                       "Google Protocol Buffers")
+check_library_version (PC_PROTOBUF protobuf 2.4)
+
+find_required_library (ICU unicode/unistr.h icui18n "ICU")
+check_library_version (PC_ICU icui18n 4.4)
+
+find_required_program (PROTOC protoc
+                       "Google Protocol Buffers compiler (protoc)")
+
+find_required_program (JAVA java
+                       "Java Runtime Environment")
+
+# Add protoc (Protocol Buffers compiler) target.
+set (RESOURCES_DIR "${CMAKE_SOURCE_DIR}/../resources")
+
+set (
+  PROTOBUF_SOURCES "${RESOURCES_DIR}/phonemetadata.proto"
+                   "${RESOURCES_DIR}/phonenumber.proto"
+)
+
+set (
+  PROTOBUF_OUTPUT "${CMAKE_SOURCE_DIR}/src/phonemetadata.pb.cc"
+                  "${CMAKE_SOURCE_DIR}/src/phonemetadata.pb.h"
+                  "${CMAKE_SOURCE_DIR}/src/phonenumber.pb.cc"
+                  "${CMAKE_SOURCE_DIR}/src/phonenumber.pb.h"
+)
+
+add_custom_command (
+  COMMAND ${PROTOC_BIN} --cpp_out="${CMAKE_SOURCE_DIR}/src"
+    --proto_path=${RESOURCES_DIR} ${PROTOBUF_SOURCES}
+
+  OUTPUT ${PROTOBUF_OUTPUT}
+  DEPENDS ${PROTOBUF_SOURCES}
+)
+
+add_custom_target (
+  generate-sources
+
+  DEPENDS ${PROTOBUF_OUTPUT}
+  COMMENT "Generating Protocol Buffers code"
+)
+
+# Add metadata code generation targets.
+
+# This function is invoked twice to create metadata & test metadata code
+# generation targets.
+function (add_metadata_gen_target TARGET_NAME
+                                  XML_FILE
+                                  FOR_TESTING)
+  if (${FOR_TESTING} STREQUAL "true")
+    set (GEN_OUTPUT_PREFIX "${CMAKE_SOURCE_DIR}/src/metadata")
+  elseif (${FOR_TESTING} STREQUAL "false")
+    set (GEN_OUTPUT_PREFIX "${CMAKE_SOURCE_DIR}/src/test_metadata")
+  else ()
+    message (FATAL_ERROR
+      "Unexpected value '${FOR_TESTING}' for testing parameter")
+  endif ()
+
+  set (GEN_OUTPUT "${GEN_OUTPUT_PREFIX}.cc ${GEN_OUTPUT_PREFIX}.h")
+  set (JAR_PATH "${CMAKE_SOURCE_DIR}/../tools/java/cpp-build/target")
+  set (JAR_PATH "${JAR_PATH}/cpp-build-1.0-SNAPSHOT-jar-with-dependencies.jar")
+
+  add_custom_command (
+    COMMAND ${JAVA_BIN} -jar
+      ${JAR_PATH} BuildMetadataCppFromXml ${XML_FILE} ${CMAKE_SOURCE_DIR}/src
+      ${FOR_TESTING}
+
+    OUTPUT ${GEN_OUTPUT}
+    DEPENDS ${XML_FILE}
+  )
+  add_custom_target (
+    ${TARGET_NAME}
+    DEPENDS ${GEN_OUTPUT}
+    COMMENT "Generating Metadata code"
+  )
+endfunction (add_metadata_gen_target)
+
+# Add metadata generation target.
+add_metadata_gen_target (
+  "generate-metadata"
+  "${RESOURCES_DIR}/PhoneNumberMetaData.xml"
+  "false"
+)
+
+# Add test metadata generation target.
+add_metadata_gen_target (
+  "generate-test-metadata"
+  "${RESOURCES_DIR}/PhoneNumberMetaDataForTesting.xml"
+  "true"
+)
+
+# Platform independent sources.
+set (
+  SOURCES
+  "src/base/at_exit.cc"
+  "src/base/lazy_instance.cc"
+  "src/base/string_piece.cc"
+  "src/base/synchronization/lock.cc"
+  "src/base/threading/thread_restrictions.cc"
+  "src/default_logger.cc"
+  "src/logger_adapter.cc"
+  "src/metadata.cc"         # Generated by build tools.
+  "src/phonemetadata.pb.cc" # Generated by Protocol Buffers.
+  "src/phonenumber.cc"
+  "src/phonenumber.pb.cc"   # Generated by Protocol Buffers.
+  "src/phonenumberutil.cc"
+  "src/re2_cache.cc"
+  "src/regexp_adapter_re2.cc",
+  "src/stringutil.cc"
+  "src/utf/rune.c"
+  "src/utf/unicodetext.cc"
+  "src/utf/unilib.cc"
+)
+
+if (UNIX)
+  if (CMAKE_COMPILER_IS_GNUCXX)
+    add_definitions ("-Wall -Wextra -Werror")
+
+    # The next flags are needed by base/ source files to compile low level code
+    # needed by Singleton.
+    add_definitions ("-DCOMPILER_GCC -DOS_POSIX -DOS_LINUX")
+
+    if (${CMAKE_SYSTEM_PROCESSOR} MATCHES "x86.*")
+      add_definitions ("-DARCH_CPU_X86_FAMILY")
+      # Add GCC specific sources.
+      list (APPEND SOURCES "src/base/atomicops_internals_x86_gcc.cc")
+
+    elseif (${CMAKE_SYSTEM_PROCESSOR} MATCHES ".*arm.*")
+      add_definitions ("-DARCH_CPU_ARM_FAMILY")
+    endif ()
+  endif ()
+
+  # Add POSIX specific sources.
+  list (
+    APPEND SOURCES
+    "src/base/synchronization/lock_impl_posix.cc"
+    "src/base/threading/platform_thread_posix.cc"
+    "src/base/threading/thread_local_posix.cc"
+  )
+else (WIN32)
+  # TODO: add Windows support (define COMPILER_MSVC, OS_WIN).
+  list (
+    APPEND SOURCES
+    "src/base/synchronization/lock_impl_win.cc"
+    "src/base/threading/platform_thread_win.cc"
+    "src/base/threading/thread_local_win.cc"
+  )
+  # TODO: Windows specific flags.
+endif ()
+
+include_directories ("src")
+include_directories (".")
+
+add_library (phonenumber STATIC ${SOURCES})
+add_dependencies (phonenumber generate-sources)
+
+target_link_libraries (phonenumber ${RE2_LIB} ${PROTOBUF_LIB} ${ICU_LIB})
+
+# Tests.
+set (TEST_SOURCES
+  "src/phonenumberutil_test.cc"
+  "src/re2_cache_test.cc"
+  "src/regexp_adapter_unittest.cc",
+  "src/run_tests.cc"
+  "src/stringutil_test.cc"
+  "src/test_metadata.cc"  # Generated by build tools.
+)
+
+add_executable (libphonenumber_test ${TEST_SOURCES})
+target_link_libraries (libphonenumber_test phonenumber ${GTEST_LIB} pthread)