src/system/libroot/posix/glibc/include/arch/x86/config.h

   1 //#if !defined __ASSEMBLER__ && !defined _ISOMAC && !defined __OPTIMIZE__
   2 //# error "glibc cannot be compiled without optimization"
   3 //#endif
   4
   5 /* Another evil option when it comes to compiling the C library is
   6    --ffast-math since it alters the ABI.  */
   7 #if defined __FAST_MATH__ && !defined TEST_FAST_MATH
   8 # error "glibc must not be compiled with -ffast-math"
   9 #endif
  10
  11 /* Define if using GNU ld, with support for weak symbols in a.out,
  12    and for symbol set and warning messages extensions in a.out and ELF.
  13    This implies HAVE_WEAK_SYMBOLS; set by --with-gnu-ld.  */
  14 #define HAVE_GNU_LD 1
  15
  16 /* Define if using ELF, which supports weak symbols.
  17    This implies HAVE_ASM_WEAK_DIRECTIVE and NO_UNDERSCORES; set by
  18    --with-elf.  */
  19 #define HAVE_ELF 1
  20
  21 /* Define if using XCOFF. Set by --with-xcoff.  */
  22 #undef  HAVE_XCOFF
  23
  24 /* Define if C symbols are asm symbols.  Don't define if C symbols
  25    have a `_' prepended to make the asm symbol.  */
  26 #define NO_UNDERSCORES 1
  27
  28 /* Define if weak symbols are available via the `.weak' directive.  */
  29 #define HAVE_ASM_WEAK_DIRECTIVE 1
  30
  31 /* Define if weak symbols are available via the `.weakext' directive.  */
  32 #undef  HAVE_ASM_WEAKEXT_DIRECTIVE
  33
  34 /* Define to the assembler line separator character for multiple
  35    assembler instructions per line.  Default is `;'  */
  36 #undef ASM_LINE_SEP
  37
  38 /* Define if not using ELF, but `.init' and `.fini' sections are available.  */
  39 #undef  HAVE_INITFINI
  40
  41 /* Define if __attribute__((section("foo"))) puts quotes around foo.  */
  42 /*#define       HAVE_SECTION_QUOTES 1
  43  [zooey]: defining this causes assembler errors, and I don't think
  44           that any BeOS-gcc actually produces quotes in sections...
  45 */
  46 #undef  HAVE_SECTION_QUOTES
  47
  48 /* Define if using the GNU assembler, gas.  */
  49 #define HAVE_GNU_AS 1
  50
  51 /* Define if the assembler supports the `.set' directive.  */
  52 #define HAVE_ASM_SET_DIRECTIVE 1
  53
  54 /* Define to the name of the assembler's directive for
  55    declaring a symbol global (default `.globl').  */
  56 #define ASM_GLOBAL_DIRECTIVE .globl
  57
  58 /* Define to the prefix before `object' or `function' in the
  59    assembler's `.type' directive, if it has one.  */
  60 #undef  ASM_TYPE_DIRECTIVE_PREFIX
  61
  62 /* Define a symbol_name as a global .symbol_name for ld.  */
  63 #undef  HAVE_ASM_GLOBAL_DOT_NAME
  64
  65 /* Define if the assembler generates debugging information directly.  */
  66 #undef  HAVE_CPP_ASM_DEBUGINFO
  67
  68 /* Define if _Unwind_Find_FDE should be exported from glibc.  */
  69 #undef  EXPORT_UNWIND_FIND_FDE
  70
  71 /* Define to use GNU libio instead of GNU stdio.
  72    This is defined by configure under --enable-libio.  */
  73 #define USE_IN_LIBIO 1
  74
  75 /* Define if using ELF and the assembler supports the `.previous'
  76    directive.  */
  77 #define HAVE_ASM_PREVIOUS_DIRECTIVE 1
  78
  79 /* Define if using ELF and the assembler supports the `.popsection'
  80    directive.  */
  81 #undef  HAVE_ASM_POPSECTION_DIRECTIVE
  82
  83 /* Define if versioning of the library is wanted.  */
  84 #undef  DO_VERSIONING
  85
  86 /* Defined to the oldest ABI we support, like 2.1.  */
  87 #undef GLIBC_OLDEST_ABI
  88
  89 /* Define if static NSS modules are wanted.  */
  90 #undef  DO_STATIC_NSS
  91
  92 /* Define if gcc uses DWARF2 unwind information for exception support.  */
  93 #define HAVE_DWARF2_UNWIND_INFO 1
  94
  95 /* Define if gcc uses DWARF2 unwind information for exception support
  96    with static variable. */
  97 #define HAVE_DWARF2_UNWIND_INFO_STATIC 1
  98
  99 /* Define if the compiler supports __builtin_expect.  */
 100 #undef  HAVE_BUILTIN_EXPECT
 101
 102 /* Define if the compiler supports __builtin_memset.  */
 103 #undef  HAVE_BUILTIN_MEMSET
 104
 105 /* Define if the __thread keyword is supported.  */
 106 #undef HAVE___THREAD
 107
 108 /* Define if the compiler supports __attribute__((tls_model(""))).  */
 109 #undef HAVE_TLS_MODEL_ATTRIBUTE
 110
 111 /* Define if the regparm attribute shall be used for local functions
 112    (gcc on ix86 only).  */
 113 #define USE_REGPARMS 1
 114
 115 /* Defined on PowerPC if the GCC being used has a problem with clobbering
 116    certain registers (CR0, MQ, CTR, LR) in asm statements.  */
 117 #undef  BROKEN_PPC_ASM_CR0
 118
 119 /* Defined on SPARC if ld doesn't handle R_SPARC_WDISP22 against .hidden
 120    symbol.  sysdeps/sparc/sparc32/elf/configure.  */
 121 #undef  BROKEN_SPARC_WDISP22
 122
 123 /* Define if the linker supports the -z combreloc option.  */
 124 #undef  HAVE_Z_COMBRELOC
 125
 126 /* Define if the assembler supported .protected.  */
 127 #undef  HAVE_PROTECTED
 128
 129 /* Define if the assembler supported .hidden.  */
 130 #undef  HAVE_HIDDEN
 131
 132 /* Define if the compiler supports __attribute__ ((visibility (...))).  */
 133 #undef  HAVE_VISIBILITY_ATTRIBUTE
 134
 135 /* Define if the compiler doesn't support __attribute__ ((visibility (...)))
 136    together with __asm__ redirection properly.  */
 137 #undef  HAVE_BROKEN_VISIBILITY_ATTRIBUTE
 138
 139 /* Define if the compiler doesn't support __attribute__ ((alias (...)))
 140    together with __asm__ redirection properly.  */
 141 #undef  HAVE_BROKEN_ALIAS_ATTRIBUTE
 142
 143 /* Define if _rtld_local structure should be forced into .sdata section.  */
 144 #undef  HAVE_SDATA_SECTION
 145
 146 /* Define if binutils support TLS handling.  */
 147 #undef  HAVE_TLS_SUPPORT
 148
 149 /* Define if the linker supports .preinit_array/.init_array/.fini_array
 150    sections.  */
 151 #undef  HAVE_INITFINI_ARRAY
 152
 153 /* Define if the access to static and hidden variables is position independent
 154    and does not need relocations.  */
 155 #undef  PI_STATIC_AND_HIDDEN
 156
 157 /* Define this to disable the `hidden_proto' et al macros in
 158    include/libc-symbols.h that avoid PLT slots in the shared objects.  */
 159 #undef  NO_HIDDEN
 160
 161
 162 /* Defined to some form of __attribute__ ((...)) if the compiler supports
 163    a different, more efficient calling convention.  */
 164 #if defined USE_REGPARMS && !defined PROF && !defined __BOUNDED_POINTERS__
 165 # define internal_function __attribute__ ((regparm (3), stdcall))
 166 #endif
 167
 168 /* Linux specific: minimum supported kernel version.  */
 169 #undef  __LINUX_KERNEL_VERSION
 170
 171 /* Override abi-tags ABI version if necessary.  */
 172 #undef  __ABI_TAG_VERSION
 173
 174 /* An extension in gcc 2.96 and up allows the subtraction of two
 175    local labels.  */
 176 #undef  HAVE_SUBTRACT_LOCAL_LABELS
 177
 178 /* bash 2.0 introduced the _XXX_GNU_nonoption_argv_flags_ variable to help
 179    getopt determine whether a parameter is a flag or not.  This features
 180    was disabled later since it caused trouble.  We are by default therefore
 181    disabling the support as well.  */
 182 #undef USE_NONOPTION_FLAGS
 183
 184 /* Mach/Hurd specific: define if mig supports the `retcode' keyword.  */
 185 #undef  HAVE_MIG_RETCODE
 186
 187 /* Mach specific: define if the `host_page_size' RPC is available.  */
 188 #undef  HAVE_HOST_PAGE_SIZE
 189
 190 /* Mach/i386 specific: define if the `i386_io_perm_*' RPCs are available.  */
 191 #undef  HAVE_I386_IO_PERM_MODIFY
 192
 193 /* Mach/i386 specific: define if the `i386_set_gdt' RPC is available.  */
 194 #undef  HAVE_I386_SET_GDT
 195
 196 /*
 197 \f */
 198
 199 #ifndef _LIBC
 200
 201 /* These symbols might be defined by some sysdeps configures.
 202    They are used only in miscellaneous generator programs, not
 203    in compiling libc itself.   */
 204
 205 /* sysdeps/generic/configure.in */
 206 #undef  HAVE_PSIGNAL
 207
 208 /* sysdeps/unix/configure.in */
 209 #define HAVE_STRERROR
 210
 211 /* sysdeps/unix/common/configure.in */
 212 #undef  HAVE_SYS_SIGLIST
 213 #undef  HAVE__SYS_SIGLIST
 214 #undef  HAVE__CTYPE_
 215 #undef  HAVE___CTYPE_
 216 #undef  HAVE___CTYPE
 217 #undef  HAVE__CTYPE__
 218 #undef  HAVE__CTYPE
 219 #undef  HAVE__LOCP
 220
 221 #endif
 222
 223 /*
 224 \f */
 225
 226 #ifdef  _LIBC
 227
 228 /* The zic and zdump programs need these definitions.  */
 229
 230 #define HAVE_STRERROR   1
 231
 232 /* The locale code needs these definitions.  */
 233
 234 #define HAVE_REGEX 1
 235
 236 //#define HAVE_MMAP 1
 237 #undef HAVE_MMAP
 238
 239 #endif