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