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Mail Archives: djgpp-workers/1998/01/29/14:15:22

From: Andrew Crabtree <andrewc AT typhoon DOT rose DOT hp DOT com>
Message-Id: <199801291804.AA153747059@typhoon.rose.hp.com>
Subject: re: gcc 2.8
To: djgpp-workers AT delorie DOT com
Date: Thu, 29 Jan 1998 10:04:19 PST
Reply-To: andrewc AT rosemail DOT rose DOT hp DOT com

I need to learn how to spell I guess.  

>    ----- The following addresses had permanent fatal errors -----
> <djgpp-workers AT delorie DOT cm>
  
> > Is this change in configure.in generic enough to be sent to GCC 
> > maintainers?  If it is, I think we should submit it and prevent GCC from 
> > running fixincludes in the DJGPP case.
> Sure, just add the following line 
> 
>          fixincludes=Makefile.in
> 
> in the section for djgpp (mine is different but should give general idea)
> 
>         i[[3456]]86-pc-msdosdjgpp)
>                 if [[ x$nasm = xyes ]]
>                 then
>                         tm_file=i386/djgpp-nasm.h
>                 else
>                         tm_file=i386/djgpp-gas.h
>                 fi
>                 xm_file=i386/xm-djgpp.h
>                 tmake_file=i386/t-djgpp
> 
> Then rerun autoconf and no more fixincludes running.  Whether or not
> it will be accepted or not is another matter.  Jeff seemed to indicate that
> he would not (into egcs, I suspect gcc2 would take it), and thought that 
> fixincludes should be modified until it worked properly.
> 
> > > The second is the 
> > > part that supplies the generated stddef.h file and such.  This too
> > > can be disabled I think.
> > How is the generated stddef.h different from ours?  Can we just make the 
> > necessary changes in our version and forget about this?
> They are not even close.  I'll have to search for how to disable it.
> Here's the stddef that gcc uses.  Its possible we could modify it 
> so that it works properly too I suppose.
> 
> Andy
> 
> #if (!defined(_STDDEF_H) && !defined(_STDDEF_H_) && !defined(_ANSI_STDDEF_H) \
>      && !defined(__STDDEF_H__)) \
>     || defined(__need_wchar_t) || defined(__need_size_t) \
>     || defined(__need_ptrdiff_t) || defined(__need_NULL) \
>     || defined(__need_wint_t)
> 
> /* Any one of these symbols __need_* means that GNU libc
>    wants us just to define one data type.  So don't define
>    the symbols that indicate this file's entire job has been done.  */
> #if (!defined(__need_wchar_t) && !defined(__need_size_t)	\
>      && !defined(__need_ptrdiff_t) && !defined(__need_NULL)	\
>      && !defined(__need_wint_t))
> #define _STDDEF_H
> #define _STDDEF_H_
> /* snaroff AT next DOT com says the NeXT needs this.  */
> #define _ANSI_STDDEF_H
> /* Irix 5.1 needs this.  */
> #define __STDDEF_H__
> #endif
> 
> #ifndef __sys_stdtypes_h
> /* This avoids lossage on SunOS but only if stdtypes.h comes first.
>    There's no way to win with the other order!  Sun lossage.  */
> 
> /* On 4.3bsd-net2, make sure ansi.h is included, so we have
>    one less case to deal with in the following.  */
> #if defined (__BSD_NET2__) || defined (____386BSD____) || defined (__FreeBSD__) || defined(__NetBSD__)
> #include <machine/ansi.h>
> #endif
> 
> /* In 4.3bsd-net2, machine/ansi.h defines these symbols, which are
>    defined if the corresponding type is *not* defined.
>    FreeBSD-2.1 defines _MACHINE_ANSI_H_ instead of _ANSI_H_ */
> #if defined(_ANSI_H_) || defined(_MACHINE_ANSI_H_)
> #if !defined(_SIZE_T_) && !defined(_BSD_SIZE_T_)
> #define _SIZE_T
> #endif
> #if !defined(_PTRDIFF_T_) && !defined(_BSD_PTRDIFF_T_)
> #define _PTRDIFF_T
> #endif
> /* On BSD/386 1.1, at least, machine/ansi.h defines _BSD_WCHAR_T_
>    instead of _WCHAR_T_. */
> #if !defined(_WCHAR_T_) && !defined(_BSD_WCHAR_T_)
> #ifndef _BSD_WCHAR_T_
> #define _WCHAR_T
> #endif
> #endif
> /* Undef _FOO_T_ if we are supposed to define foo_t.  */
> #if defined (__need_ptrdiff_t) || defined (_STDDEF_H_)
> #undef _PTRDIFF_T_
> #undef _BSD_PTRDIFF_T_
> #endif
> #if defined (__need_size_t) || defined (_STDDEF_H_)
> #undef _SIZE_T_
> #undef _BSD_SIZE_T_
> #endif
> #if defined (__need_wchar_t) || defined (_STDDEF_H_)
> #undef _WCHAR_T_
> #undef _BSD_WCHAR_T_
> #endif
> #endif /* defined(_ANSI_H_) || defined(_MACHINE_ANSI_H_) */
> 
> /* Sequent's header files use _PTRDIFF_T_ in some conflicting way.
>    Just ignore it.  */
> #if defined (__sequent__) && defined (_PTRDIFF_T_)
> #undef _PTRDIFF_T_
> #endif
> 
> /* On VxWorks, <type/vxTypesBase.h> may have defined macros like
>    _TYPE_size_t which will typedef size_t.  fixincludes patched the
>    vxTypesBase.h so that this macro is only defined if _GCC_SIZE_T is
>    not defined, and so that defining this macro defines _GCC_SIZE_T.
>    If we find that the macros are still defined at this point, we must
>    invoke them so that the type is defined as expected.  */
> #if defined (_TYPE_ptrdiff_t) && (defined (__need_ptrdiff_t) || defined (_STDDEF_H_))
> _TYPE_ptrdiff_t;
> #undef _TYPE_ptrdiff_t
> #endif
> #if defined (_TYPE_size_t) && (defined (__need_size_t) || defined (_STDDEF_H_))
> _TYPE_size_t;
> #undef _TYPE_size_t
> #endif
> #if defined (_TYPE_wchar_t) && (defined (__need_wchar_t) || defined (_STDDEF_H_))
> _TYPE_wchar_t;
> #undef _TYPE_wchar_t
> #endif
> 
> /* In case nobody has defined these types, but we aren't running under
>    GCC 2.00, make sure that __PTRDIFF_TYPE__, __SIZE__TYPE__, and
>    __WCHAR_TYPE__ have reasonable values.  This can happen if the
>    parts of GCC is compiled by an older compiler, that actually
>    include gstddef.h, such as collect2.  */
> 
> /* Signed type of difference of two pointers.  */
> 
> /* Define this type if we are doing the whole job,
>    or if we want this type in particular.  */
> #if defined (_STDDEF_H) || defined (__need_ptrdiff_t)
> #ifndef _PTRDIFF_T	/* in case <sys/types.h> has defined it. */
> #ifndef _T_PTRDIFF_
> #ifndef _T_PTRDIFF
> #ifndef __PTRDIFF_T
> #ifndef _PTRDIFF_T_
> #ifndef _BSD_PTRDIFF_T_
> #ifndef ___int_ptrdiff_t_h
> #ifndef _GCC_PTRDIFF_T
> #define _PTRDIFF_T
> #define _T_PTRDIFF_
> #define _T_PTRDIFF
> #define __PTRDIFF_T
> #define _PTRDIFF_T_
> #define _BSD_PTRDIFF_T_
> #define ___int_ptrdiff_t_h
> #define _GCC_PTRDIFF_T
> #ifndef __PTRDIFF_TYPE__
> #define __PTRDIFF_TYPE__ long int
> #endif
> typedef __PTRDIFF_TYPE__ ptrdiff_t;
> #endif /* _GCC_PTRDIFF_T */
> #endif /* ___int_ptrdiff_t_h */
> #endif /* _BSD_PTRDIFF_T_ */
> #endif /* _PTRDIFF_T_ */
> #endif /* __PTRDIFF_T */
> #endif /* _T_PTRDIFF */
> #endif /* _T_PTRDIFF_ */
> #endif /* _PTRDIFF_T */
> 
> /* If this symbol has done its job, get rid of it.  */
> #undef	__need_ptrdiff_t
> 
> #endif /* _STDDEF_H or __need_ptrdiff_t.  */
> 
> /* Unsigned type of `sizeof' something.  */
> 
> /* Define this type if we are doing the whole job,
>    or if we want this type in particular.  */
> #if defined (_STDDEF_H) || defined (__need_size_t)
> #ifndef _SIZE_T	/* in case <sys/types.h> has defined it. */
> #ifndef _SYS_SIZE_T_H
> #ifndef _T_SIZE_
> #ifndef _T_SIZE
> #ifndef __SIZE_T
> #ifndef _SIZE_T_
> #ifndef _BSD_SIZE_T_
> #ifndef _SIZE_T_DEFINED_
> #ifndef _SIZE_T_DEFINED
> #ifndef ___int_size_t_h
> #ifndef _GCC_SIZE_T
> #ifndef _SIZET_
> #ifndef __size_t
> #define _SIZE_T
> #define _SYS_SIZE_T_H
> #define _T_SIZE_
> #define _T_SIZE
> #define __SIZE_T
> #define _SIZE_T_
> #define _BSD_SIZE_T_
> #define _SIZE_T_DEFINED_
> #define _SIZE_T_DEFINED
> #define ___int_size_t_h
> #define _GCC_SIZE_T
> #define _SIZET_
> #define __size_t
> #ifndef __SIZE_TYPE__
> #define __SIZE_TYPE__ long unsigned int
> #endif
> #if !(defined (__GNUG__) && defined (size_t))
> typedef __SIZE_TYPE__ size_t;
> #endif /* !(defined (__GNUG__) && defined (size_t)) */
> #endif /* __size_t */
> #endif /* _SIZET_ */
> #endif /* _GCC_SIZE_T */
> #endif /* ___int_size_t_h */
> #endif /* _SIZE_T_DEFINED */
> #endif /* _SIZE_T_DEFINED_ */
> #endif /* _BSD_SIZE_T_ */
> #endif /* _SIZE_T_ */
> #endif /* __SIZE_T */
> #endif /* _T_SIZE */
> #endif /* _T_SIZE_ */
> #endif /* _SYS_SIZE_T_H */
> #endif /* _SIZE_T */
> #undef	__need_size_t
> #endif /* _STDDEF_H or __need_size_t.  */
> 
> 
> /* Wide character type.
>    Locale-writers should change this as necessary to
>    be big enough to hold unique values not between 0 and 127,
>    and not (wchar_t) -1, for each defined multibyte character.  */
> 
> /* Define this type if we are doing the whole job,
>    or if we want this type in particular.  */
> #if defined (_STDDEF_H) || defined (__need_wchar_t)
> #ifndef _WCHAR_T
> #ifndef _T_WCHAR_
> #ifndef _T_WCHAR
> #ifndef __WCHAR_T
> #ifndef _WCHAR_T_
> #ifndef _BSD_WCHAR_T_
> #ifndef _WCHAR_T_DEFINED_
> #ifndef _WCHAR_T_DEFINED
> #ifndef _WCHAR_T_H
> #ifndef ___int_wchar_t_h
> #ifndef __INT_WCHAR_T_H
> #ifndef _GCC_WCHAR_T
> #define _WCHAR_T
> #define _T_WCHAR_
> #define _T_WCHAR
> #define __WCHAR_T
> #define _WCHAR_T_
> #define _BSD_WCHAR_T_
> #define _WCHAR_T_DEFINED_
> #define _WCHAR_T_DEFINED
> #define _WCHAR_T_H
> #define ___int_wchar_t_h
> #define __INT_WCHAR_T_H
> #define _GCC_WCHAR_T
> 
> /* On BSD/386 1.1, at least, machine/ansi.h defines _BSD_WCHAR_T_
>    instead of _WCHAR_T_, and _BSD_RUNE_T_ (which, unlike the other
>    symbols in the _FOO_T_ family, stays defined even after its
>    corresponding type is defined).  If we define wchar_t, then we
>    must undef _WCHAR_T_; for BSD/386 1.1 (and perhaps others), if
>    we undef _WCHAR_T_, then we must also define rune_t, since 
>    headers like runetype.h assume that if machine/ansi.h is included,
>    and _BSD_WCHAR_T_ is not defined, then rune_t is available.
>    machine/ansi.h says, "Note that _WCHAR_T_ and _RUNE_T_ must be of
>    the same type." */
> #ifdef _BSD_WCHAR_T_
> #undef _BSD_WCHAR_T_
> #ifdef _BSD_RUNE_T_
> #if !defined (_ANSI_SOURCE) && !defined (_POSIX_SOURCE)
> typedef _BSD_RUNE_T_ rune_t;
> #endif
> #endif
> #endif
> 
> #ifndef __WCHAR_TYPE__
> #define __WCHAR_TYPE__ int
> #endif
> #ifndef __cplusplus
> typedef __WCHAR_TYPE__ wchar_t;
> #endif
> #endif
> #endif
> #endif
> #endif
> #endif
> #endif
> #endif
> #endif
> #endif
> #endif
> #endif
> #endif
> #undef	__need_wchar_t
> #endif /* _STDDEF_H or __need_wchar_t.  */
> 
> #if defined (_STDDEF_H) || defined (__need_wint_t)
> #ifndef _WINT_T
> #define _WINT_T
> 
> #ifndef __WINT_TYPE__
> #define __WINT_TYPE__ unsigned int
> #endif
> typedef __WINT_TYPE__ wint_t;
> #endif
> #undef __need_wint_t
> #endif
> 
> /*  In 4.3bsd-net2, leave these undefined to indicate that size_t, etc.
>     are already defined.  */
> #ifdef _ANSI_H_
> /*  The references to _GCC_PTRDIFF_T_, _GCC_SIZE_T_, and _GCC_WCHAR_T_
>     are probably typos and should be removed before 2.8 is released.  */
> #ifdef _GCC_PTRDIFF_T_
> #undef _PTRDIFF_T_
> #undef _BSD_PTRDIFF_T_
> #endif
> #ifdef _GCC_SIZE_T_
> #undef _SIZE_T_
> #undef _BSD_SIZE_T_
> #endif
> #ifdef _GCC_WCHAR_T_
> #undef _WCHAR_T_
> #undef _BSD_WCHAR_T_
> #endif
> /*  The following ones are the real ones.  */
> #ifdef _GCC_PTRDIFF_T
> #undef _PTRDIFF_T_
> #undef _BSD_PTRDIFF_T_
> #endif
> #ifdef _GCC_SIZE_T
> #undef _SIZE_T_
> #undef _BSD_SIZE_T_
> #endif
> #ifdef _GCC_WCHAR_T
> #undef _WCHAR_T_
> #undef _BSD_WCHAR_T_
> #endif
> #endif /* _ANSI_H_ */
> 
> #endif /* __sys_stdtypes_h */
> 
> /* A null pointer constant.  */
> 
> #if defined (_STDDEF_H) || defined (__need_NULL)
> #undef NULL		/* in case <stdio.h> has defined it. */
> #ifdef __GNUG__
> #define NULL __null
> #else   /* G++ */
> #define NULL ((void *)0)
> #endif  /* G++ */
> #endif	/* NULL not defined and <stddef.h> or need NULL.  */
> #undef	__need_NULL
> 
> #ifdef _STDDEF_H
> 
> /* Offset of member MEMBER in a struct of type TYPE.  */
> 
> #define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
> 
> #endif /* _STDDEF_H was defined this time */
> 
> #endif /* !_STDDEF_H && !_STDDEF_H_ && !_ANSI_STDDEF_H && !__STDDEF_H__
> 	  || __need_XXX was not defined before */
> 
> 
> --KAA11935.886096979/palrel1.hp.com--
> 
> 


--
_______       ___________________________________________________________
           /                       	                  Andrew Crabtree 
          /                          	      Workgroup Networks Division 
         ____       ___  /                                Hewlett-Packard 
        /     /    /    /   		                    Roseville, CA 
     __/   __/    _____/                                     916/785-1675
                 /                           andrewc AT rosemail DOT rose DOT hp DOT com
___________   __/   _____________________________________________________

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