Convert cvsignore to gitignore, and add .gitignore for build targets.

.gitignore

+# Global excludes across all subdirectories
+*.o
+*.so
+*.so.[0-9]
+*.so.[0-9].[0-9]
+*.sl
+*.sl.[0-9]
+*.sl.[0-9].[0-9]
+*.dylib
+*.dll
+*.a
+*.mo
+objfiles.txt
+.deps/
+
+# Local excludes in root directory
+/GNUmakefile
+/config.log
+/config.status

contrib/adminpack/.gitignore

+/adminpack.sql

contrib/btree_gin/.gitignore

+/btree_gin.sql

contrib/btree_gist/.gitignore

+/btree_gist.sql

contrib/chkpass/.gitignore

+/chkpass.sql

contrib/citext/.gitignore

+/citext.sql

contrib/cube/.cvsignore

-cubeparse.c
-cubescan.c

contrib/cube/.gitignore

+/cubeparse.c
+/cubescan.c
+/cube.sql

contrib/dblink/.gitignore

+/dblink.sql

contrib/dict_int/.gitignore

+/dict_int.sql

contrib/dict_xsyn/.gitignore

+/dict_xsyn.sql

contrib/earthdistance/.gitignore

+/earthdistance.sql

contrib/fuzzystrmatch/.gitignore

+/fuzzystrmatch.sql

contrib/hstore/.gitignore

+/hstore.sql

contrib/intarray/.gitignore

+/_int.sql

contrib/isn/.gitignore

+/isn.sql

contrib/lo/.gitignore

+/lo.sql

contrib/ltree/.gitignore

+/ltree.sql

contrib/oid2name/.gitignore

+/oid2name

contrib/pageinspect/.gitignore

+/pageinspect.sql

contrib/pg_archivecleanup/.gitignore

+/pg_archivecleanup

contrib/pg_buffercache/.gitignore

+/pg_buffercache.sql

contrib/pg_freespacemap/.gitignore

+/pg_freespacemap.sql

contrib/pg_standby/.gitignore

+/pg_standby

contrib/pg_stat_statements/.gitignore

+/pg_stat_statements.sql

contrib/pg_trgm/.gitignore

+/pg_trgm.sql

contrib/pg_upgrade/.gitignore

+/pg_upgrade

contrib/pgbench/.gitignore

+/pgbench

contrib/pgcrypto/.gitignore

+/pgcrypto.sql

contrib/pgrowlocks/.gitignore

+/pgrowlocks.sql

contrib/pgstattuple/.gitignore

+/pgstattuple.sql

contrib/seg/.cvsignore

-segparse.c
-segscan.c

contrib/seg/.gitignore

+/segparse.c
+/segscan.c
+/seg.sql

contrib/spi/.gitignore

+/autoinc.sql
+/insert_username.sql
+/moddatetime.sql
+/refint.sql
+/timetravel.sql

contrib/sslinfo/.gitignore

+/sslinfo.sql

contrib/tablefunc/.gitignore

+/tablefunc.sql

contrib/test_parser/.gitignore

+/test_parser.sql

contrib/tsearch2/.gitignore

+/tsearch2.sql

contrib/unaccent/.gitignore

+/unaccent.sql

contrib/vacuumlo/.gitignore

+/vacuumlo

doc/src/sgml/.cvsignore

-html
-html-stamp
-man1
-man3
-man7
-man-stamp

doc/src/sgml/.gitignore

+/html
+/html-stamp
+/man1
+/man3
+/man7
+/man-stamp
+
+/features-supported.sgml
+/features-unsupported.sgml
+/version.sgml

src/.gitignore

+/Makefile.global
+/Makefile.port
+/Makefile.custom

src/backend/.gitignore

+/postgres

src/backend/bootstrap/.cvsignore

-bootparse.c
-bootscanner.c

src/backend/bootstrap/.gitignore

+/bootparse.c
+/bootscanner.c

src/backend/catalog/.cvsignore

-postgres.bki
-postgres.description
-postgres.shdescription
-schemapg.h

src/backend/catalog/.gitignore

+/postgres.bki
+/postgres.description
+/postgres.shdescription
+/schemapg.h

src/backend/parser/.cvsignore

-gram.h
-gram.c
-scan.c

src/backend/parser/.gitignore

+/gram.h
+/gram.c
+/scan.c

src/backend/port/.gitignore

+/dynloader.c
+/pg_latch.c
+/pg_sema.c
+/pg_shmem.c
+/tas.s

src/backend/snowball/.gitignore

+/snowball_create.sql

src/backend/utils/.cvsignore

-fmgrtab.c
-fmgroids.h

src/backend/utils/.gitignore

+/fmgrtab.c
+/fmgroids.h
+/probes.h

src/backend/utils/mb/conversion_procs/.gitignore

+/conversion_create.sql

src/backend/utils/misc/.cvsignore

-guc-file.c

src/backend/utils/misc/.gitignore

+/guc-file.c

src/bin/initdb/.gitignore

+/encnames.c
+/pqsignal.c
+
+/initdb

src/bin/pg_config/.gitignore

+/pg_config

src/bin/pg_controldata/.gitignore

+/pg_crc.c
+
+/pg_controldata

src/bin/pg_ctl/.gitignore

+/pg_ctl

src/bin/pg_dump/.gitignore

+/kwlookup.c
+
+/pg_dump
+/pg_dumpall
+/pg_restore

src/bin/pg_resetxlog/.gitignore

+/pg_crc.c
+
+/pg_resetxlog

src/bin/psql/.cvsignore

-psqlscan.c
-sql_help.h
-sql_help.c

src/bin/psql/.gitignore

+/psqlscan.c
+/sql_help.h
+/sql_help.c
+/dumputils.c
+/keywords.c
+/kwlookup.c
+
+/psql

src/bin/scripts/.gitignore

+/clusterdb
+/createdb
+/createlang
+/createuser
+/dropdb
+/droplang
+/dropuser
+/reindexdb
+/vacuumdb
+
+/dumputils.c
+/keywords.c
+/kwlookup.c
+/mbprint.c
+/print.c

src/include/.gitignore

+/stamp-h
+/pg_config.h
+/pg_config_os.h
+/dynloader.h
+

src/include/catalog/.gitignore

+/schemapg.h

src/include/parser/.gitignore

+/gram.h

src/include/utils/.gitignore

+/fmgroids.h
+/probes.h

src/interfaces/ecpg/compatlib/.cvsignore

-libecpg_compatdll.def
-libecpg_compatddll.def
-blibecpg_compatdll.def

src/interfaces/ecpg/compatlib/.gitignore

+/libecpg_compatdll.def
+/libecpg_compatddll.def
+/blibecpg_compatdll.def
+/exports.list

src/interfaces/ecpg/ecpglib/.cvsignore

-libecpgdll.def
-libecpgddll.def
-blibecpgdll.def

src/interfaces/ecpg/ecpglib/.gitignore

+/libecpgdll.def
+/libecpgddll.def
+/blibecpgdll.def
+/exports.list
+
+/path.c
+/pgstrcasecmp.c
+/strlcpy.c
+/thread.c

src/interfaces/ecpg/include/.gitignore

+/ecpg_config.h
+/stamp-h

src/interfaces/ecpg/pgtypeslib/.cvsignore

-libpgtypesdll.def
-libpgtypesddll.def
-blibpgtypesdll.def

src/interfaces/ecpg/pgtypeslib/.gitignore

+/libpgtypesdll.def
+/libpgtypesddll.def
+/blibpgtypesdll.def
+/exports.list
+
+/pgstrcasecmp.c

src/interfaces/ecpg/preproc/.cvsignore

-preproc.y
-preproc.c
-preproc.h
-pgc.c

src/interfaces/ecpg/preproc/.gitignore

+/preproc.y
+/preproc.c
+/preproc.h
+/pgc.c
+
+/ecpg
+/kwlookup.c

src/interfaces/libpq/.cvsignore

-libpqdll.def
-libpqddll.def
-blibpqdll.def
-libpq-dist.rc

src/interfaces/libpq/.gitignore

+/encnames.c
+/exports.list
+/ip.c
+/md5.c
+/noblock.c
+/pgstrcasecmp.c
+/strlcpy.c
+/thread.c
+/wchar.c

src/pl/plperl/.gitignore

+/SPI.c
+/Util.c
+/perlchunks.h
+/plperl_opmask.h

src/pl/plpgsql/src/.cvsignore

-pl_gram.c
-pl_gram.h

src/pl/plpgsql/src/.gitignore

+/pl_gram.c
+/pl_gram.h

src/port/.gitignore

+/libpgport.a
+/libpgport_srv.a
+/pg_config_paths.h

src/test/regress/.gitignore

+# Local binaries
+/pg_regress
+
+# Generated subdirectories
+/tmp_check/
+/results/
+/log/

src/test/regress/expected/.gitignore

+/constraints.out
+/copy.out
+/create_function_1.out
+/create_function_2.out
+/largeobject.out
+/largeobject_1.out
+/misc.out
+/tablespace.out

src/test/regress/sql/.gitignore

+/constraints.sql
+/copy.sql
+/create_function_1.sql
+/create_function_2.sql
+/largeobject.sql
+/misc.sql
+/tablespace.sql

src/timezone/.gitignore

+/zic