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comparison gcc/doc/cppopts.texi @ 63:b7f97abdc517 gcc-4.6-20100522

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update gcc from gcc-4.5.0 to gcc-4.6
author ryoma <e075725@ie.u-ryukyu.ac.jp>
date Mon, 24 May 2010 12:47:05 +0900
parents a06113de4d67
children f6334be47118
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56:3c8a44c06a95 63:b7f97abdc517
1 @c Copyright (c) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 1 @c Copyright (c) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008,
2 @c Free Software Foundation, Inc. 2 @c 2010, Free Software Foundation, Inc.
3 @c This is part of the CPP and GCC manuals. 3 @c This is part of the CPP and GCC manuals.
4 @c For copying conditions, see the file gcc.texi. 4 @c For copying conditions, see the file gcc.texi.
5 5
6 @c --------------------------------------------------------------------- 6 @c ---------------------------------------------------------------------
7 @c Options affecting the preprocessor 7 @c Options affecting the preprocessor
372 knows about C and C++ standards; others may be added in the future. 372 knows about C and C++ standards; others may be added in the future.
373 373
374 @var{standard} 374 @var{standard}
375 may be one of: 375 may be one of:
376 @table @code 376 @table @code
377 @item iso9899:1990 377 @item c90
378 @itemx c89 378 @itemx c89
379 The ISO C standard from 1990. @samp{c89} is the customary shorthand for 379 @itemx iso9899:1990
380 The ISO C standard from 1990. @samp{c90} is the customary shorthand for
380 this version of the standard. 381 this version of the standard.
381 382
382 The @option{-ansi} option is equivalent to @option{-std=c89}. 383 The @option{-ansi} option is equivalent to @option{-std=c90}.
383 384
384 @item iso9899:199409 385 @item iso9899:199409
385 The 1990 C standard, as amended in 1994. 386 The 1990 C standard, as amended in 1994.
386 387
387 @item iso9899:1999 388 @item iso9899:1999
389 @itemx iso9899:199x 390 @itemx iso9899:199x
390 @itemx c9x 391 @itemx c9x
391 The revised ISO C standard, published in December 1999. Before 392 The revised ISO C standard, published in December 1999. Before
392 publication, this was known as C9X@. 393 publication, this was known as C9X@.
393 394
394 @item gnu89 395 @item c1x
396 The next version of the ISO C standard, still under development.
397
398 @item gnu90
399 @itemx gnu89
395 The 1990 C standard plus GNU extensions. This is the default. 400 The 1990 C standard plus GNU extensions. This is the default.
396 401
397 @item gnu99 402 @item gnu99
398 @itemx gnu9x 403 @itemx gnu9x
399 The 1999 C standard plus GNU extensions. 404 The 1999 C standard plus GNU extensions.
405
406 @item gnu1x
407 The next version of the ISO C standard, still under development, plus
408 GNU extensions.
400 409
401 @item c++98 410 @item c++98
402 The 1998 ISO C++ standard plus amendments. 411 The 1998 ISO C++ standard plus amendments.
403 412
404 @item gnu++98 413 @item gnu++98