PR c/13519

[pf3gnuchains/gcc-fork.git] / gcc / system.h

diff --git a/gcc/system.h b/gcc/system.h
index 14662de..58b2bf7 100644 (file)
--- a/gcc/system.h
+++ b/gcc/system.h
@@ -1,6 +1,7 @@
 /* Get common system includes and various definitions and declarations based
    on autoconf macros.
-   Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
+   Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004
+   Free Software Foundation, Inc.
 
 This file is part of GCC.
 
@@ -361,6 +362,10 @@ extern int setrlimit (int, const struct rlimit *);
 extern void abort (void);
 #endif
 
+#if defined (HAVE_DECL_SNPRINTF) && !HAVE_DECL_SNPRINTF
+extern int snprintf (char *, size_t, const char *, ...);
+#endif
+
 /* 1 if we have C99 designated initializers.  */
 #if !defined(HAVE_DESIGNATED_INITIALIZERS)
 #define HAVE_DESIGNATED_INITIALIZERS \
@@ -416,16 +421,6 @@ extern void abort (void);
 # 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
@@ -481,16 +476,21 @@ extern void abort (void);
 #define HOST_BIT_BUCKET "/dev/null"
 #endif
 
-/* Be conservative and only use enum bitfields with GCC.  Likewise for
-   char bitfields.
+/* Be conservative and only use enum bitfields with GCC.
    FIXME: provide a complete autoconf test for buggy enum bitfields.  */
 
 #if (GCC_VERSION > 2000)
-#define ENUM_BITFIELD(TYPE) enum TYPE
-#define CHAR_BITFIELD unsigned char
+#define ENUM_BITFIELD(TYPE) __extension__ enum TYPE
 #else
 #define ENUM_BITFIELD(TYPE) unsigned int
-#define CHAR_BITFIELD 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
@@ -549,7 +549,7 @@ typedef char _Bool;
 #define really_call_calloc calloc
 #define really_call_realloc realloc
 
-#if defined(FLEX_SCANNER) || defined(YYBISON)
+#if defined(FLEX_SCANNER) || defined(YYBISON) || defined(YYBYACC)
 /* Flex and bison use malloc and realloc.  Yuk.  Note that this means
    really_call_* cannot be used in a .l or .y file.  */
 #define malloc xmalloc
@@ -586,7 +586,17 @@ typedef char _Bool;
        WCHAR_UNSIGNED UNIQUE_SECTION SELECT_SECTION SELECT_RTX_SECTION \
        ENCODE_SECTION_INFO STRIP_NAME_ENCODING ASM_GLOBALIZE_LABEL     \
        ASM_OUTPUT_MI_THUNK CONST_COSTS RTX_COSTS DEFAULT_RTX_COSTS     \
-       ADDRESS_COST MACHINE_DEPENDENT_REORG ASM_FILE_START ASM_FILE_END
+       ADDRESS_COST MACHINE_DEPENDENT_REORG ASM_FILE_START ASM_FILE_END \
+       ASM_SIMPLIFY_DWARF_ADDR INIT_TARGET_OPTABS INIT_SUBTARGET_OPTABS \
+       INIT_GOFAST_OPTABS MULSI3_LIBCALL MULDI3_LIBCALL DIVSI3_LIBCALL \
+       DIVDI3_LIBCALL UDIVSI3_LIBCALL UDIVDI3_LIBCALL MODSI3_LIBCALL   \
+       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                    \
+       PROMOTE_FUNCTION_RETURN PROMOTE_PROTOTYPES STRUCT_VALUE_REGNUM  \
+       SETUP_INCOMING_VARARGS EXPAND_BUILTIN_SAVEREGS                  \
+       DEFAULT_SHORT_ENUMS SPLIT_COMPLEX_ARGS MD_ASM_CLOBBERS
 
 /* 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
@@ -609,11 +619,25 @@ typedef char _Bool;
        DBX_LBRAC_FIRST DBX_OUTPUT_ENUM DBX_OUTPUT_SOURCE_FILENAME         \
        DBX_WORKING_DIRECTORY INSN_CACHE_DEPTH INSN_CACHE_SIZE             \
        INSN_CACHE_LINE_WIDTH INIT_SECTION_PREAMBLE NEED_ATEXIT ON_EXIT    \
-       EXIT_BODY OBJECT_FORMAT_ROSE MULTIBYTE_CHARS MAP_CHARACTER
+       EXIT_BODY OBJECT_FORMAT_ROSE MULTIBYTE_CHARS MAP_CHARACTER         \
+       LIBGCC_NEEDS_DOUBLE FINAL_PRESCAN_LABEL DEFAULT_CALLER_SAVES       \
+       LOAD_ARGS_REVERSED MAX_INTEGER_COMPUTATION_MODE                    \
+       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    \
+       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
 
 /* Hooks that are no longer used.  */
  #pragma GCC poison LANG_HOOKS_FUNCTION_MARK LANG_HOOKS_FUNCTION_FREE  \
-       LANG_HOOKS_MARK_TREE
+       LANG_HOOKS_MARK_TREE LANG_HOOKS_INSERT_DEFAULT_ATTRIBUTES
 
 /* Libiberty macros that are no longer used in GCC.  */
 #undef ANSI_PROTOTYPES