config.h.in

   1 /* Define if using GNU ld, with support for weak symbols in a.out,
   2    and for symbol set and warning messages extensions in a.out and ELF.
   3    This implies HAVE_WEAK_SYMBOLS; set by --with-gnu-ld.  */
   4 #undef  HAVE_GNU_LD
   5
   6 /* Define if using ELF, which supports weak symbols.
   7    This implies HAVE_ASM_WEAK_DIRECTIVE and NO_UNDERSCORES; set by
   8    --with-elf.  */
   9 #undef  HAVE_ELF
  10
  11 /* Define if using XCOFF. Set by --with-xcoff.  */
  12 #undef  HAVE_XCOFF
  13
  14 /* Define if C symbols are asm symbols.  Don't define if C symbols
  15    have a `_' prepended to make the asm symbol.  */
  16 #undef  NO_UNDERSCORES
  17
  18 /* Define if weak symbols are available via the `.weak' directive.  */
  19 #undef  HAVE_ASM_WEAK_DIRECTIVE
  20
  21 /* Define if weak symbols are available via the `.weakext' directive.  */
  22 #undef  HAVE_ASM_WEAKEXT_DIRECTIVE
  23
  24 /* Define to the assembler line separator character for multiple
  25    assembler instructions per line.  Default is `;'  */
  26 #undef ASM_LINE_SEP
  27
  28 /* Define if not using ELF, but `.init' and `.fini' sections are available.  */
  29 #undef  HAVE_INITFINI
  30
  31 /* Define if __attribute__((section("foo"))) puts quotes around foo.  */
  32 #undef  HAVE_SECTION_QUOTES
  33
  34 /* Define if using the GNU assembler, gas.  */
  35 #undef  HAVE_GNU_AS
  36
  37 /* Define if the assembler supports the `.set' directive.  */
  38 #undef  HAVE_ASM_SET_DIRECTIVE
  39
  40 /* Define to the name of the assembler's directive for
  41    declaring a symbol global (default `.globl').  */
  42 #undef  ASM_GLOBAL_DIRECTIVE
  43
  44 /* Define a symbol_name as a global .symbol_name for ld.  */
  45 #undef  HAVE_ASM_GLOBAL_DOT_NAME
  46
  47 /* Define to use GNU libio instead of GNU stdio.
  48    This is defined by configure under --enable-libio.  */
  49 #undef  USE_IN_LIBIO
  50
  51 /* Define if using ELF and the assembler supports the `.previous'
  52    directive.  */
  53 #undef  HAVE_ASM_PREVIOUS_DIRECTIVE
  54
  55 /* Define if using ELF and the assembler supports the `.popsection'
  56    directive.  */
  57 #undef  HAVE_ASM_POPSECTION_DIRECTIVE
  58
  59 /* Define to the prefix Alpha/ELF GCC emits before ..ng symbols.  */
  60 #undef  ASM_ALPHA_NG_SYMBOL_PREFIX
  61
  62 /* Define if versioning of the library is wanted.  */
  63 #undef  DO_VERSIONING
  64
  65 /* Defined to the oldest ABI we support, like 2.1.  */
  66 #undef GLIBC_OLDEST_ABI
  67
  68 /* Define if static NSS modules are wanted.  */
  69 #undef  DO_STATIC_NSS
  70
  71 /* Define if gcc uses DWARF2 unwind information for exception support.  */
  72 #undef  HAVE_DWARF2_UNWIND_INFO
  73
  74 /* Define if gcc uses DWARF2 unwind information for exception support
  75    with static variable. */
  76 #undef  HAVE_DWARF2_UNWIND_INFO_STATIC
  77
  78 /* Define if the compiler supports __builtin_expect.  */
  79 #undef  HAVE_BUILTIN_EXPECT
  80
  81 /* Define if the regparm attribute shall be used for local functions
  82    (gcc on ix86 only).  */
  83 #undef  USE_REGPARMS
  84
  85 /* Defined on PowerPC if the GCC being used has a problem with clobbering
  86    certain registers (CR0, MQ, CTR, LR) in asm statements.  */
  87 #undef  BROKEN_PPC_ASM_CR0
  88
  89
  90 /* Defined to some form of __attribute__ ((...)) if the compiler supports
  91    a different, more efficient calling convention.  */
  92 #if defined USE_REGPARMS && !defined PROF && !defined __BOUNDED_POINTERS__
  93 # define internal_function __attribute__ ((regparm (3), stdcall))
  94 #endif
  95
  96 /* Linux specific: minimum supported kernel version.  */
  97 #undef  __LINUX_KERNEL_VERSION
  98
  99 /* Override abi-tags ABI version if necessary.  */
 100 #undef  __ABI_TAG_VERSION
 101
 102 /* An extension in gcc 2.96 and up allows the subtraction of two
 103    local labels.  */
 104 #undef  HAVE_SUBTRACT_LOCAL_LABELS
 105
 106 /*
 107 \f */
 108
 109 #ifndef _LIBC
 110
 111 /* These symbols might be defined by some sysdeps configures.
 112    They are used only in miscellaneous generator programs, not
 113    in compiling libc itself.   */
 114
 115 /* sysdeps/generic/configure.in */
 116 #undef  HAVE_PSIGNAL
 117
 118 /* sysdeps/unix/configure.in */
 119 #undef  HAVE_STRERROR
 120
 121 /* sysdeps/unix/common/configure.in */
 122 #undef  HAVE_SYS_SIGLIST
 123 #undef  HAVE__SYS_SIGLIST
 124 #undef  HAVE__CTYPE_
 125 #undef  HAVE___CTYPE_
 126 #undef  HAVE___CTYPE
 127 #undef  HAVE__CTYPE__
 128 #undef  HAVE__CTYPE
 129 #undef  HAVE__LOCP
 130
 131 #endif
 132
 133 /*
 134 \f */
 135
 136 #ifdef  _LIBC
 137
 138 /* The zic and zdump programs need these definitions.  */
 139
 140 #define HAVE_STRERROR   1
 141
 142 /* The locale code needs these definitions.  */
 143
 144 #define HAVE_REGEX 1
 145
 146 #endif