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configure.ac: Don't invoke ACX_HEADER_STDBOOL.

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gcc:
	* configure.ac: Don't invoke ACX_HEADER_STDBOOL.
	* configure, config.in: Regenerate.
	* system.h: Unconditionally define bool as unsigned char,
	BOOL_BITFIELD as unsigned int.
	* domwalk.h: Use BOOL_BITFIELD.
libcpp:
	* configure.ac: Don't invoke ACX_HEADER_STDBOOL.
	* configure, config.in: Regenerate.
	* system.h: Unconditionally define bool as unsigned char,
	BOOL_BITFIELD as unsigned int.
	* .cvsignore: New file.

From-SVN: r83020
This commit is contained in:
Zack Weinberg 2004-06-12 05:53:54 +00:00 • committed by Zack Weinberg
parent 9ade247982
commit 2fac9c017f
12 changed files with 267 additions and 434 deletions
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41
libcpp/system.h
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@ -275,13 +275,6 @@ extern void abort (void);
((GCC_VERSION >= 2007) || (__STDC_VERSION__ >= 199901L))
#endif
/* 1 if we have _Bool. */
#ifndef HAVE__BOOL
# define HAVE__BOOL \
((GCC_VERSION >= 3000) || (__STDC_VERSION__ >= 199901L))
#endif
/* Be conservative and only use enum bitfields with GCC.
FIXME: provide a complete autoconf test for buggy enum bitfields. */
@ -291,14 +284,6 @@ extern void abort (void);
#define ENUM_BITFIELD(TYPE) unsigned int
#endif
/* We only use bool bitfields with gcc3. Some supposedly C99
compilers don't handle them correctly. */
#if (GCC_VERSION >= 3000)
#define BOOL_BITFIELD _Bool
#else
#define BOOL_BITFIELD unsigned int
#endif
#ifndef offsetof
#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *) 0)->MEMBER)
#endif
@ -310,26 +295,25 @@ extern void abort (void);
#define __builtin_expect(a, b) (a)
#endif
/* Provide some sort of boolean type. We use stdbool.h if it's
available. This must be after all inclusion of system headers,
as some of them will mess us up. */
/* Provide a fake boolean type. We make no attempt to use the
C99 _Bool, as it may not be available in the bootstrap compiler,
and even if it is, it is liable to be buggy.
This must be after all inclusion of system headers, as some of
them will mess us up. */
#undef bool
#undef true
#undef false
#undef TRUE
#undef FALSE
#ifdef HAVE_STDBOOL_H
# include <stdbool.h>
#else
# if !HAVE__BOOL
typedef char _Bool;
# endif
# define bool _Bool
# define true 1
# define false 0
#endif
#define bool unsigned char
#define true 1
#define false 0
/* Some compilers do not allow the use of unsigned char in bitfields. */
#define BOOL_BITFIELD unsigned int
/* Poison identifiers we do not want to use. */
#if (GCC_VERSION >= 3000)
#undef calloc
#undef strdup
@ -359,5 +343,4 @@ typedef char _Bool;
#pragma GCC poison bcopy bzero bcmp rindex
#endif /* GCC >= 3.0 */
#endif /* ! LIBCPP_SYSTEM_H */