* bignum.c: remove redundant decl for big_lshift() big_rshift().

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40655 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* configure.in: sorts AC_CHECK_FUNCS()s as alphabetical order.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40656 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* configure.in: add getenv() declaration check.
* dln_find.c: add HAVE_DECL_GETENV test.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40657 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* configure.in: move clock_gettime() check into regular place.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40658 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* configure.in: adds comments for setjmp check.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40659 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* configure.in: remove AC_CHECK_FUNC(close). It is not used from
  anywhere.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40660 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* configure.in: removes AC_CHECK_FUNC(fseeko, fseeko64, ftello,
  ftello64). They are not used from anywhere.

* win32/win32.c (fseeko): removes.
* win32/win32.c (rb_w32_ftello): removes.
* include/ruby/win32.h: removes declarations of rb_w32_ftello and
  rb_w32_fseeko.
* win32/Makefile.sub: removes '#define HAVE_FTELLO 1'.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40661 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* configure.in: removes AC_CHECK_FUNC(ftruncate64).
* configure.in: adds RUBY_REPLACE_TYPE(off_t) for creating
  NUM2OFFT.
* file.c (rb_file_truncate): use correct type. chsize() take
  a long.
* include/ruby/ruby.h (NUM2OFFT): use a definition created by
  a configure script by default.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40662 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* configure.in: abort if gettimeofday doesn't exist.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40663 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* signal.c (rb_f_kill): fixes typo. s/HAS_KILLPG/HAVE_KILLPG/.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40664 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* configure.in: removes AC_CHECK_FUNCS(pause) because it's unused.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40665 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* configure.in: removes AC_CHECK_FUNCS(setitimer) because it's
  unsed.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40666 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* process.c: move '#define SPAWNV 1' to win32/Makefile.sub.
* win32/Makefile.sub: see above.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40667 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* file.c (rb_file_s_truncate): use correct type. chsize takes
  a long.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40668 b2dd03c8-39d4-4d8f-98ff-823fe69b080e