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merge from gcc

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DJ Delorie 2001-04-04 01:15:59 +00:00
parent c196a1a26a
commit 51fc3813e9
2 changed files with 32 additions and 0 deletions
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4
include/ChangeLog
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@ -1,3 +1,7 @@
2001-04-03 Zack Weinberg <zackw@stanford.edu>
* ansidecl.h: All logic from gcc/gansidecl.h moved here.
2001-03-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> 2001-03-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* libiberty.h (alloca): Handle setting C_ALLOCA. * libiberty.h (alloca): Handle setting C_ALLOCA.

28
include/ansidecl.h
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@ -161,6 +161,15 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#endif /* ANSI C. */ #endif /* ANSI C. */
/* This is for GCC, which has historically used typed null pointer
constants. It needs to be here so it is seen by headers included
by gcc's config.h.
FIXME: GCC probably doesn't need to use typed nulls anymore.
Clean it up, then remove this. Ware variable-argument functions. */
#ifdef IN_GCC
# define NULL_PTR ((PTR) 0)
#endif
/* Using MACRO(x,y) in cpp #if conditionals does not work with some /* Using MACRO(x,y) in cpp #if conditionals does not work with some
older preprocessors. Thus we can't define something like this: older preprocessors. Thus we can't define something like this:
@ -230,4 +239,23 @@ So instead we use the macro below and test it against specific values. */
#define __extension__ #define __extension__
#endif #endif
/* Bootstrap support: Autoconf will possibly define the `inline' or
`const' keywords as macros, however this is only valid for the
stage1 compiler. If we detect a modern version of gcc,
unconditionally reset the values. This makes sure the right thing
happens in stage2 and later. We need to do this very early;
i.e. before any header files that might use these keywords.
Otherwise conflicts might occur. */
#if (GCC_VERSION >= 2007)
# ifdef __STDC__
# undef const
# endif
# undef inline
# define inline __inline__ /* __inline__ prevents -pedantic warnings */
# ifndef HAVE_LONG_DOUBLE
# define HAVE_LONG_DOUBLE 1
# endif
#endif /* GCC >= 2.7 */
#endif /* ansidecl.h */ #endif /* ansidecl.h */