Replace RE2 import with a dependency

third_party/re2/CMakeLists.txt

Index: third_party/re2/CMakeLists.txt
diff --git a/third_party/re2/CMakeLists.txt b/third_party/re2/CMakeLists.txt
deleted file mode 100644
index c6c606030c23553bf5b637fb83a6df67e640a5f7..0000000000000000000000000000000000000000
--- a/third_party/re2/CMakeLists.txt
+++ /dev/null
@@ -1,112 +0,0 @@
-# Copyright 2015 The RE2 Authors.  All Rights Reserved.
-# Use of this source code is governed by a BSD-style
-# license that can be found in the LICENSE file.
-
-# Old enough to support Ubuntu Precise.
-cmake_minimum_required(VERSION 2.8.7)
-
-project(RE2 CXX)
-option(BUILD_SHARED_LIBS "build shared libraries" OFF)
-option(USEPCRE "use PCRE in tests and benchmarks" OFF)
-
-set(EXTRA_TARGET_LINK_LIBRARIES)
-
-if(WIN32)
-  add_definitions(-DUNICODE -D_UNICODE -DSTRICT -DNOMINMAX)
-  set(THREADING threadwin)
-else()
-  set(THREADING thread)
-  list(APPEND EXTRA_TARGET_LINK_LIBRARIES -pthread)
-endif()
-
-if(USEPCRE)
-  add_definitions(-DUSEPCRE)
-  list(APPEND EXTRA_TARGET_LINK_LIBRARIES pcre)
-endif()
-
-include_directories(${CMAKE_SOURCE_DIR})
-
-set(RE2_LIBRARY_SOURCES
-    re2/bitstate.cc
-    re2/compile.cc
-    re2/dfa.cc
-    re2/filtered_re2.cc
-    re2/mimics_pcre.cc
-    re2/nfa.cc
-    re2/onepass.cc
-    re2/parse.cc
-    re2/perl_groups.cc
-    re2/prefilter.cc
-    re2/prefilter_tree.cc
-    re2/prog.cc
-    re2/re2.cc
-    re2/regexp.cc
-    re2/set.cc
-    re2/simplify.cc
-    re2/stringpiece.cc
-    re2/tostring.cc
-    re2/unicode_casefold.cc
-    re2/unicode_groups.cc
-    util/hash.cc
-    util/logging.cc
-    util/rune.cc
-    util/stringprintf.cc
-    util/strutil.cc
-    util/valgrind.cc
-    )
-
-add_library(re2 ${RE2_LIBRARY_SOURCES})
-
-set(TEST_LIBRARY_SOURCES
-    re2/testing/backtrack.cc
-    re2/testing/dump.cc
-    re2/testing/exhaustive_tester.cc
-    re2/testing/null_walker.cc
-    re2/testing/regexp_generator.cc
-    re2/testing/string_generator.cc
-    re2/testing/tester.cc
-    util/pcre.cc
-    util/random.cc
-    util/${THREADING}.cc
-    )
-
-add_library(test STATIC ${TEST_LIBRARY_SOURCES} util/test.cc)
-add_library(benchmark STATIC ${TEST_LIBRARY_SOURCES} util/benchmark.cc)
-
-set(TEST_TARGETS
-    charclass_test
-    compile_test
-    filtered_re2_test
-    mimics_pcre_test
-    parse_test
-    possible_match_test
-    re2_test
-    re2_arg_test
-    regexp_test
-    required_prefix_test
-    search_test
-    set_test
-    simplify_test
-    string_generator_test
-
-    dfa_test
-    exhaustive1_test
-    exhaustive2_test
-    exhaustive3_test
-    exhaustive_test
-    random_test
-    )
-
-set(BENCHMARK_TARGETS
-    regexp_benchmark
-    )
-
-foreach(target ${TEST_TARGETS})
-  add_executable(${target} re2/testing/${target}.cc)
-  target_link_libraries(${target} test re2 ${EXTRA_TARGET_LINK_LIBRARIES})
-endforeach(target)
-
-foreach(target ${BENCHMARK_TARGETS})
-  add_executable(${target} re2/testing/${target}.cc)
-  target_link_libraries(${target} benchmark re2 ${EXTRA_TARGET_LINK_LIBRARIES})
-endforeach(target)