extern int getopt (int, char * const *, const char *);
#endif
+#if defined(HAVE_DECL_GETPAGESIZE) && !HAVE_DECL_GETPAGESIZE
+extern long getpagesize (void);
+#endif
+
#if defined (HAVE_DECL_GETWD) && !HAVE_DECL_GETWD
extern char *getwd (char *);
#endif
((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
-
-
#if HAVE_SYS_STAT_H
# include <sys/stat.h>
#endif
# endif
#endif
-/* Approximate O_NONBLOCK. */
-#ifndef O_NONBLOCK
-#define O_NONBLOCK O_NDELAY
-#endif
-
-/* Approximate O_NOCTTY. */
-#ifndef O_NOCTTY
-#define O_NOCTTY 0
-#endif
-
/* Define well known filenos if the system does not define them. */
#ifndef STDIN_FILENO
# define STDIN_FILENO 0
#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
#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. */
-#undef bool
-#undef true
-#undef false
+/* Redefine abort to report an internal error w/o coredump, and
+ reporting the location of the error in the source file. */
+extern void fancy_abort (const char *, int, const char *) ATTRIBUTE_NORETURN;
+#define abort() fancy_abort (__FILE__, __LINE__, __FUNCTION__)
+
+/* Use gcc_assert(EXPR) to test invariants. */
+#if ENABLE_ASSERT_CHECKING
+#define gcc_assert(EXPR) \
+ ((void)(!(EXPR) ? fancy_abort (__FILE__, __LINE__, __FUNCTION__), 0 : 0))
+#else
+/* Include EXPR, so that unused variable warnings do not occur. */
+#define gcc_assert(EXPR) ((void)(0 && (EXPR)))
+#endif
+
+/* Use gcc_unreachable() to mark unreachable locations (like an
+ unreachable default case of a switch. Do not use gcc_assert(0). */
+#define gcc_unreachable() (fancy_abort (__FILE__, __LINE__, __FUNCTION__))
+
+/* 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 TRUE
#undef FALSE
-#ifdef HAVE_STDBOOL_H
-# include <stdbool.h>
-#else
-# if !HAVE__BOOL
-typedef char _Bool;
-# endif
-# define bool _Bool
+#ifdef __cplusplus
+ /* Obsolete. */
+# define TRUE true
+# define FALSE false
+#else /* !__cplusplus */
+# undef bool
+# undef true
+# undef false
+
+# define bool unsigned char
# define true 1
# define false 0
-#endif
-#define TRUE true
-#define FALSE false
+ /* Obsolete. */
+# define TRUE true
+# define FALSE false
+#endif /* !__cplusplus */
+
+
+/* Some compilers do not allow the use of unsigned char in bitfields. */
+#define BOOL_BITFIELD unsigned int
/* As the last action in this file, we poison the identifiers that
shouldn't be used. Note, luckily gcc-3.0's token-based integrated
MODDI3_LIBCALL UMODSI3_LIBCALL UMODDI3_LIBCALL BUILD_VA_LIST_TYPE \
PRETEND_OUTGOING_VARARGS_NAMED STRUCT_VALUE_INCOMING_REGNUM \
ASM_OUTPUT_SECTION_NAME PROMOTE_FUNCTION_ARGS \
- STRUCT_VALUE_INCOMING STRICT_ARGUMENT_NAMING
+ STRUCT_VALUE_INCOMING STRICT_ARGUMENT_NAMING \
+ PROMOTE_FUNCTION_RETURN PROMOTE_PROTOTYPES STRUCT_VALUE_REGNUM \
+ SETUP_INCOMING_VARARGS EXPAND_BUILTIN_SAVEREGS \
+ DEFAULT_SHORT_ENUMS SPLIT_COMPLEX_ARGS MD_ASM_CLOBBERS \
+ HANDLE_PRAGMA_REDEFINE_EXTNAME HANDLE_PRAGMA_EXTERN_PREFIX \
+ MUST_PASS_IN_STACK FUNCTION_ARG_PASS_BY_REFERENCE \
+ VECTOR_MODE_SUPPORTED_P
/* Other obsolete target macros, or macros that used to be in target
headers and were not used, and may be obsolete or may never have
CONVERT_HARD_REGISTER_TO_SSA_P ASM_OUTPUT_MAIN_SOURCE_FILENAME \
FIRST_INSN_ADDRESS TEXT_SECTION SHARED_BSS_SECTION_ASM_OP \
PROMOTED_MODE EXPAND_BUILTIN_VA_END \
- LINKER_DOES_NOT_WORK_WITH_DWARF2 FUNCTION_ARG_KEEP_AS_REFERENCE
+ LINKER_DOES_NOT_WORK_WITH_DWARF2 FUNCTION_ARG_KEEP_AS_REFERENCE \
+ GIV_SORT_CRITERION MAX_LONG_TYPE_SIZE MAX_LONG_DOUBLE_TYPE_SIZE \
+ MAX_WCHAR_TYPE_SIZE GCOV_TYPE_SIZE SHARED_SECTION_ASM_OP \
+ INTEGRATE_THRESHOLD \
+ FINAL_REG_PARM_STACK_SPACE MAYBE_REG_PARM_STACK_SPACE \
+ TRADITIONAL_PIPELINE_INTERFACE DFA_PIPELINE_INTERFACE \
+ DBX_OUTPUT_STANDARD_TYPES BUILTIN_SETJMP_FRAME_VALUE \
+ SUNOS4_SHARED_LIBRARIES PROMOTE_FOR_CALL_ONLY \
+ SPACE_AFTER_L_OPTION NO_RECURSIVE_FUNCTION_CSE \
+ DEFAULT_MAIN_RETURN TARGET_MEM_FUNCTIONS EXPAND_BUILTIN_VA_ARG
/* Hooks that are no longer used. */
#pragma GCC poison LANG_HOOKS_FUNCTION_MARK LANG_HOOKS_FUNCTION_FREE \
- LANG_HOOKS_MARK_TREE LANG_HOOKS_INSERT_DEFAULT_ATTRIBUTES
+ LANG_HOOKS_MARK_TREE LANG_HOOKS_INSERT_DEFAULT_ATTRIBUTES \
+ LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS \
+ LANG_HOOKS_PUSHLEVEL LANG_HOOKS_SET_BLOCK \
+ LANG_HOOKS_MAYBE_BUILD_CLEANUP LANG_HOOKS_UPDATE_DECL_AFTER_SAVING \
+ LANG_HOOKS_POPLEVEL
/* Libiberty macros that are no longer used in GCC. */
#undef ANSI_PROTOTYPES
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