/[autoconf]/autoconf/doc/autoconf.texi
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revision 1.660 by eggert, Mon Sep 2 07:46:31 2002 UTC revision 1.661 by meyering, Mon Sep 2 15:30:24 2002 UTC
# Line 4868  Autoconf works around this problem by ca Line 4868  Autoconf works around this problem by ca
4868  Define @code{SIZEOF_@var{type}} (@pxref{Standard Symbols}) to be the  Define @code{SIZEOF_@var{type}} (@pxref{Standard Symbols}) to be the
4869  size in bytes of @var{type}.  If @samp{type} is unknown, it gets a size  size in bytes of @var{type}.  If @samp{type} is unknown, it gets a size
4870  of 0.  If no @var{includes} are specified, the default includes are used  of 0.  If no @var{includes} are specified, the default includes are used
4871  (@pxref{Default Includes}).  If you provide @var{include}, make sure to  (@pxref{Default Includes}).  If you provide @var{include}, be sure to
4872  include @file{stdio.h} which is required for this macro to run.  include @file{stdio.h} which is required for this macro to run.
4873    
4874  This macro now works even when cross-compiling.  The @var{unused}  This macro now works even when cross-compiling.  The @var{unused}
# Line 5480  If the system supports file names longer Line 5480  If the system supports file names longer
5480  @cindex POSIX termios headers  @cindex POSIX termios headers
5481  @cindex termios POSIX headers  @cindex termios POSIX headers
5482  Check to see if POSIX termios headers and functions are available on the  Check to see if POSIX termios headers and functions are available on the
5483  system.  If so, set the shell variable @code{am_cv_sys_posix_termios} to  system.  If so, set the shell variable @code{ac_cv_sys_posix_termios} to
5484  @samp{yes}.  If not, set the variable to @samp{no}.  @samp{yes}.  If not, set the variable to @samp{no}.
5485  @end defmac  @end defmac
5486    
# Line 5863  never invoked.  You can't do it by putti Line 5863  never invoked.  You can't do it by putti
5863  @code{exit}, because GCC version 2 knows that @code{exit} never returns  @code{exit}, because GCC version 2 knows that @code{exit} never returns
5864  and optimizes out any code that follows it in the same block.  and optimizes out any code that follows it in the same block.
5865    
5866  If you include any header files, make sure to call the functions  If you include any header files, be sure to call the functions
5867  relevant to them with the correct number of arguments, even if they are  relevant to them with the correct number of arguments, even if they are
5868  just 0, to avoid compilation errors due to prototypes.  GCC version 2  just 0, to avoid compilation errors due to prototypes.  GCC version 2
5869  has internal prototypes for several functions that it automatically  has internal prototypes for several functions that it automatically

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