Update re2

third_party/re2/Makefile

 # 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.
 
-all: obj/libre2.a obj/so/libre2.so
-
 # 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=-Wall -O3 -g -pthread  # can override
-RE2_CXXFLAGS=-Wno-sign-compare -c -I. $(CCPCRE)  # required
-LDFLAGS=-pthread
-AR=ar
-ARFLAGS=rsc
-NM=nm
-NMFLAGS=-p
+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 ($(shell uname),Darwin)
-MAKE_SHARED_LIBRARY=$(CXX) -dynamiclib $(LDFLAGS) -exported_symbols_list libre2.symbols.darwin
+SOEXT=dylib
+SOEXTVER=$(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 $(LDFLAGS)
 else
-MAKE_SHARED_LIBRARY=$(CXX) -shared -Wl,-soname,libre2.so.$(SONAME),--version-script=libre2.symbols $(LDFLAGS)
+SOEXT=so
+SOEXTVER=$(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/arena.h\
         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/arena.o\
         obj/util/hash.o\
+        obj/util/logging.o\
         obj/util/rune.o\
-        obj/util/stringpiece.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\
@@ skipping 32 matching lines @@
 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) -o $@ $(CPPFLAGS) $(CXXFLAGS) $(RE2_CXXFLAGS) -DNDEBUG $*.cc
+        $(CXX) -c -o $@ $(CPPFLAGS) $(CXXFLAGS) $(RE2_CXXFLAGS) -DNDEBUG $*.cc
 
 obj/dbg/%.o: %.cc $(HFILES)
         @mkdir -p $$(dirname $@)
-        $(CXX) -o $@ -fPIC $(CPPFLAGS) $(CXXFLAGS) $(RE2_CXXFLAGS) $*.cc
+        $(CXX) -c -o $@ $(CPPFLAGS) $(CXXFLAGS) $(RE2_CXXFLAGS) $*.cc
 
 obj/so/%.o: %.cc $(HFILES)
         @mkdir -p $$(dirname $@)
-        $(CXX) -o $@ -fPIC $(CPPFLAGS) $(CXXFLAGS) $(RE2_CXXFLAGS) -DNDEBUG $*.cc
+        $(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.so: $(SOFILES)
+obj/so/libre2.$(SOEXT): $(SOFILES)
         @mkdir -p obj/so
-        $(MAKE_SHARED_LIBRARY) -o $@.$(SONAME) $(SOFILES)
-        ln -sf libre2.so.$(SONAME) $@
+        $(MAKE_SHARED_LIBRARY) -o obj/so/libre2.$(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.so obj/libre2.a obj/so/re2/testing/%.o $(STESTOFILES) obj/so/util/test.o
+obj/so/test/%: obj/so/libre2.$(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)
@@ skipping 22 matching lines @@
         @./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.so
-        mkdir -p $(DESTDIR)$(includedir)/re2 $(DESTDIR)$(libdir)
+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.so $(DESTDIR)$(libdir)/libre2.so.$(SONAME).0.0
-        ln -sf libre2.so.$(SONAME).0.0 $(DESTDIR)$(libdir)/libre2.so.$(SONAME)
-        ln -sf libre2.so.$(SONAME).0.0 $(DESTDIR)$(libdir)/libre2.so
+        $(INSTALL) obj/so/libre2.$(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; hg identify; file obj/test/regexp_benchmark) | sed 's/^/# /'; \
+          (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" obj/test/exhaustive{,1,2,3}_test
+        $(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
+        $(MAKE) CXXFLAGS="$(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