Replace RE2 import with a dependency

third_party/re2/Makefile

Index: third_party/re2/Makefile
diff --git a/third_party/re2/Makefile b/third_party/re2/Makefile
deleted file mode 100644
index 50684595dc5303265e374ad090856712ae47916e..0000000000000000000000000000000000000000
--- a/third_party/re2/Makefile
+++ /dev/null
@@ -1,310 +0,0 @@
-# Copyright 2009 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.
-
-# to build against PCRE for testing or benchmarking,
-# uncomment the next two lines
-# CCPCRE=-I/usr/local/include -DUSEPCRE
-# LDPCRE=-L/usr/local/lib -lpcre
-
-CXX?=g++
-CXXFLAGS?=-O3 -g  # can override
-RE2_CXXFLAGS?=-Wall -Wextra -Wno-unused-parameter -Wno-missing-field-initializers -I. $(CCPCRE)  # required
-LDFLAGS?=-pthread
-AR?=ar
-ARFLAGS?=rsc
-NM?=nm
-NMFLAGS?=-p
-
-# Variables mandated by GNU, the arbiter of all good taste on the internet.
-# http://www.gnu.org/prep/standards/standards.html
-prefix=/usr/local
-exec_prefix=$(prefix)
-bindir=$(exec_prefix)/bin
-includedir=$(prefix)/include
-libdir=$(exec_prefix)/lib
-INSTALL=install
-INSTALL_PROGRAM=$(INSTALL)
-INSTALL_DATA=$(INSTALL) -m 644
-
-# ABI version
-# http://tldp.org/HOWTO/Program-Library-HOWTO/shared-libraries.html
-SONAME=0
-
-# To rebuild the Tables generated by Perl and Python scripts (requires Internet
-# access for Unicode data), uncomment the following line:
-# REBUILD_TABLES=1
-
-ifeq ($(shell uname),Darwin)
-SOEXT=dylib
-SOEXTVER=$(SONAME).$(SOEXT)
-SOEXTVER00=$(SONAME).0.0.$(SOEXT)
-MAKE_SHARED_LIBRARY=$(CXX) -dynamiclib $(LDFLAGS) -Wl,-install_name,@rpath/libre2.$(SOEXTVER) -exported_symbols_list libre2.symbols.darwin
-else ifeq ($(shell uname),SunOS)
-SOEXT=so
-SOEXTVER=$(SOEXT).$(SONAME)
-SOEXTVER00=$(SOEXT).$(SONAME).0.0
-MAKE_SHARED_LIBRARY=$(CXX) -shared -Wl,-soname,libre2.$(SOEXTVER),-M,libre2.symbols $(LDFLAGS)
-else
-SOEXT=so
-SOEXTVER=$(SOEXT).$(SONAME)
-SOEXTVER00=$(SOEXT).$(SONAME).0.0
-MAKE_SHARED_LIBRARY=$(CXX) -shared -Wl,-soname,libre2.$(SOEXTVER),--version-script,libre2.symbols $(LDFLAGS)
-endif
-
-all: obj/libre2.a obj/so/libre2.$(SOEXT)
-
-INSTALL_HFILES=\
-	re2/filtered_re2.h\
-	re2/re2.h\
-	re2/set.h\
-	re2/stringpiece.h\
-	re2/variadic_function.h\
-
-HFILES=\
-	util/atomicops.h\
-	util/benchmark.h\
-	util/flags.h\
-	util/logging.h\
-	util/mutex.h\
-	util/pcre.h\
-	util/random.h\
-	util/sparse_array.h\
-	util/sparse_set.h\
-	util/test.h\
-	util/thread.h\
-	util/utf.h\
-	util/util.h\
-	util/valgrind.h\
-	re2/filtered_re2.h\
-	re2/prefilter.h\
-	re2/prefilter_tree.h\
-	re2/prog.h\
-	re2/re2.h\
-	re2/regexp.h\
-	re2/set.h\
-	re2/stringpiece.h\
-	re2/testing/exhaustive_tester.h\
-	re2/testing/regexp_generator.h\
-	re2/testing/string_generator.h\
-	re2/testing/tester.h\
-	re2/unicode_casefold.h\
-	re2/unicode_groups.h\
-	re2/variadic_function.h\
-	re2/walker-inl.h\
-
-OFILES=\
-	obj/util/hash.o\
-	obj/util/logging.o\
-	obj/util/rune.o\
-	obj/util/stringprintf.o\
-	obj/util/strutil.o\
-	obj/util/valgrind.o\
-	obj/re2/bitstate.o\
-	obj/re2/compile.o\
-	obj/re2/dfa.o\
-	obj/re2/filtered_re2.o\
-	obj/re2/mimics_pcre.o\
-	obj/re2/nfa.o\
-	obj/re2/onepass.o\
-	obj/re2/parse.o\
-	obj/re2/perl_groups.o\
-	obj/re2/prefilter.o\
-	obj/re2/prefilter_tree.o\
-	obj/re2/prog.o\
-	obj/re2/re2.o\
-	obj/re2/regexp.o\
-	obj/re2/set.o\
-	obj/re2/simplify.o\
-	obj/re2/stringpiece.o\
-	obj/re2/tostring.o\
-	obj/re2/unicode_casefold.o\
-	obj/re2/unicode_groups.o\
-
-TESTOFILES=\
-	obj/util/pcre.o\
-	obj/util/random.o\
-	obj/util/thread.o\
-	obj/re2/testing/backtrack.o\
-	obj/re2/testing/dump.o\
-	obj/re2/testing/exhaustive_tester.o\
-	obj/re2/testing/null_walker.o\
-	obj/re2/testing/regexp_generator.o\
-	obj/re2/testing/string_generator.o\
-	obj/re2/testing/tester.o\
-
-TESTS=\
-	obj/test/charclass_test\
-	obj/test/compile_test\
-	obj/test/filtered_re2_test\
-	obj/test/mimics_pcre_test\
-	obj/test/parse_test\
-	obj/test/possible_match_test\
-	obj/test/re2_test\
-	obj/test/re2_arg_test\
-	obj/test/regexp_test\
-	obj/test/required_prefix_test\
-	obj/test/search_test\
-	obj/test/set_test\
-	obj/test/simplify_test\
-	obj/test/string_generator_test\
-
-BIGTESTS=\
-	obj/test/dfa_test\
-	obj/test/exhaustive1_test\
-	obj/test/exhaustive2_test\
-	obj/test/exhaustive3_test\
-	obj/test/exhaustive_test\
-	obj/test/random_test\
-
-SOFILES=$(patsubst obj/%,obj/so/%,$(OFILES))
-STESTOFILES=$(patsubst obj/%,obj/so/%,$(TESTOFILES))
-STESTS=$(patsubst obj/%,obj/so/%,$(TESTS))
-SBIGTESTS=$(patsubst obj/%,obj/so/%,$(BIGTESTS))
-
-DOFILES=$(patsubst obj/%,obj/dbg/%,$(OFILES))
-DTESTOFILES=$(patsubst obj/%,obj/dbg/%,$(TESTOFILES))
-DTESTS=$(patsubst obj/%,obj/dbg/%,$(TESTS))
-DBIGTESTS=$(patsubst obj/%,obj/dbg/%,$(BIGTESTS))
-
-obj/%.o: %.cc $(HFILES)
-	@mkdir -p $$(dirname $@)
-	$(CXX) -c -o $@ $(CPPFLAGS) $(CXXFLAGS) $(RE2_CXXFLAGS) -DNDEBUG $*.cc
-
-obj/dbg/%.o: %.cc $(HFILES)
-	@mkdir -p $$(dirname $@)
-	$(CXX) -c -o $@ $(CPPFLAGS) $(CXXFLAGS) $(RE2_CXXFLAGS) $*.cc
-
-obj/so/%.o: %.cc $(HFILES)
-	@mkdir -p $$(dirname $@)
-	$(CXX) -c -o $@ -fPIC $(CPPFLAGS) $(CXXFLAGS) $(RE2_CXXFLAGS) -DNDEBUG $*.cc
-
-obj/libre2.a: $(OFILES)
-	@mkdir -p obj
-	$(AR) $(ARFLAGS) obj/libre2.a $(OFILES)
-
-obj/dbg/libre2.a: $(DOFILES)
-	@mkdir -p obj/dbg
-	$(AR) $(ARFLAGS) obj/dbg/libre2.a $(DOFILES)
-
-obj/so/libre2.$(SOEXT): $(SOFILES)
-	@mkdir -p obj/so
-	$(MAKE_SHARED_LIBRARY) -o obj/so/libre2.$(SOEXTVER) $(SOFILES)
-	ln -sf libre2.$(SOEXTVER) $@
-
-obj/test/%: obj/libre2.a obj/re2/testing/%.o $(TESTOFILES) obj/util/test.o
-	@mkdir -p obj/test
-	$(CXX) -o $@ obj/re2/testing/$*.o $(TESTOFILES) obj/util/test.o obj/libre2.a $(LDFLAGS) $(LDPCRE)
-
-obj/dbg/test/%: obj/dbg/libre2.a obj/dbg/re2/testing/%.o $(DTESTOFILES) obj/dbg/util/test.o
-	@mkdir -p obj/dbg/test
-	$(CXX) -o $@ obj/dbg/re2/testing/$*.o $(DTESTOFILES) obj/dbg/util/test.o obj/dbg/libre2.a $(LDFLAGS) $(LDPCRE)
-
-obj/so/test/%: obj/so/libre2.$(SOEXT) obj/libre2.a obj/so/re2/testing/%.o $(STESTOFILES) obj/so/util/test.o
-	@mkdir -p obj/so/test
-	$(CXX) -o $@ obj/so/re2/testing/$*.o $(STESTOFILES) obj/so/util/test.o -Lobj/so -lre2 obj/libre2.a $(LDFLAGS) $(LDPCRE)
-
-obj/test/regexp_benchmark: obj/libre2.a obj/re2/testing/regexp_benchmark.o $(TESTOFILES) obj/util/benchmark.o
-	@mkdir -p obj/test
-	$(CXX) -o $@ obj/re2/testing/regexp_benchmark.o $(TESTOFILES) obj/util/benchmark.o obj/libre2.a $(LDFLAGS) $(LDPCRE)
-
-ifdef REBUILD_TABLES
-re2/perl_groups.cc: re2/make_perl_groups.pl
-	perl $< > $@
-
-re2/unicode_%.cc: re2/make_unicode_%.py
-	python $< > $@
-
-.PRECIOUS: re2/perl_groups.cc re2/unicode_casefold.cc re2/unicode_groups.cc
-endif
-
-distclean: clean
-	rm -f re2/perl_groups.cc re2/unicode_casefold.cc re2/unicode_groups.cc
-
-clean:
-	rm -rf obj
-	rm -f re2/*.pyc
-
-testofiles: $(TESTOFILES)
-
-test: $(DTESTS) $(TESTS) $(STESTS) debug-test static-test shared-test
-
-debug-test: $(DTESTS)
-	@echo
-	@echo Running debug binary tests.
-	@echo
-	@./runtests $(DTESTS)
-
-static-test: $(TESTS)
-	@echo
-	@echo Running static binary tests.
-	@echo
-	@./runtests $(TESTS)
-
-shared-test: $(STESTS)
-	@echo
-	@echo Running dynamic binary tests.
-	@echo
-	@LD_LIBRARY_PATH=obj/so:$(LD_LIBRARY_PATH) ./runtests $(STESTS)
-
-debug-bigtest: $(DTESTS) $(DBIGTESTS)
-	@./runtests $(DTESTS) $(DBIGTESTS)
-
-static-bigtest: $(TESTS) $(BIGTESTS)
-	@./runtests $(TESTS) $(BIGTESTS)
-
-shared-bigtest: $(STESTS) $(SBIGTESTS)
-	@LD_LIBRARY_PATH=obj/so:$(LD_LIBRARY_PATH) ./runtests $(STESTS) $(SBIGTESTS)
-
-benchmark: obj/test/regexp_benchmark
-
-install: obj/libre2.a obj/so/libre2.$(SOEXT)
-	mkdir -p $(DESTDIR)$(includedir)/re2 $(DESTDIR)$(libdir)/pkgconfig
-	$(INSTALL_DATA) $(INSTALL_HFILES) $(DESTDIR)$(includedir)/re2
-	$(INSTALL) obj/libre2.a $(DESTDIR)$(libdir)/libre2.a
-	$(INSTALL) obj/so/libre2.$(SOEXT) $(DESTDIR)$(libdir)/libre2.$(SOEXTVER00)
-	ln -sf libre2.$(SOEXTVER00) $(DESTDIR)$(libdir)/libre2.$(SOEXTVER)
-	ln -sf libre2.$(SOEXTVER00) $(DESTDIR)$(libdir)/libre2.$(SOEXT)
-	sed -e "s#@prefix@#${prefix}#" re2.pc >$(DESTDIR)$(libdir)/pkgconfig/re2.pc
-
-testinstall:
-	@mkdir -p obj
-	cp testinstall.cc obj
-ifneq ($(shell uname),Darwin)
-	(cd obj && $(CXX) -I$(DESTDIR)$(includedir) -L$(DESTDIR)$(libdir) testinstall.cc -lre2 -pthread -static -o testinstall)
-	obj/testinstall
-endif
-	(cd obj && $(CXX) -I$(DESTDIR)$(includedir) -L$(DESTDIR)$(libdir) testinstall.cc -lre2 -pthread -o testinstall)
-	LD_LIBRARY_PATH=$(DESTDIR)$(libdir) obj/testinstall
-
-benchlog: obj/test/regexp_benchmark
-	(echo '==BENCHMARK==' `hostname` `date`; \
-	  (uname -a; $(CXX) --version; git rev-parse --short HEAD; file obj/test/regexp_benchmark) | sed 's/^/# /'; \
-	  echo; \
-	  ./obj/test/regexp_benchmark 'PCRE|RE2') | tee -a benchlog.$$(hostname | sed 's/\..*//')
-
-# Keep gmake from deleting intermediate files it creates.
-# This makes repeated builds faster and preserves debug info on OS X.
-
-.PRECIOUS: obj/%.o obj/dbg/%.o obj/so/%.o obj/libre2.a \
-	obj/dbg/libre2.a obj/so/libre2.a \
-	obj/test/% obj/so/test/% obj/dbg/test/%
-
-log:
-	$(MAKE) clean
-	$(MAKE) CXXFLAGS="$(CXXFLAGS) -DLOGGING=1" \
-		$(filter obj/test/exhaustive%_test,$(BIGTESTS))
-	echo '#' RE2 exhaustive tests built by make log >re2-exhaustive.txt
-	echo '#' $$(date) >>re2-exhaustive.txt
-	obj/test/exhaustive_test |grep -v '^PASS$$' >>re2-exhaustive.txt
-	obj/test/exhaustive1_test |grep -v '^PASS$$' >>re2-exhaustive.txt
-	obj/test/exhaustive2_test |grep -v '^PASS$$' >>re2-exhaustive.txt
-	obj/test/exhaustive3_test |grep -v '^PASS$$' >>re2-exhaustive.txt
-
-	$(MAKE) CXXFLAGS="$(CXXFLAGS) -DLOGGING=1" obj/test/search_test
-	echo '#' RE2 basic search tests built by make $@ >re2-search.txt
-	echo '#' $$(date) >>re2-search.txt
-	obj/test/search_test |grep -v '^PASS$$' >>re2-search.txt
-
-x: x.cc obj/libre2.a
-	g++ -I. -o x x.cc obj/libre2.a