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 __attribute__((section("foo"))) puts quotes around foo.  */
  25 #undef  HAVE_SECTION_QUOTES
  26
  27 /* Define if using the GNU assembler, gas.  */
  28 #undef  HAVE_GNU_AS
  29
  30 /* Define if the assembler supports the `.set' directive.  */
  31 #undef  HAVE_ASM_SET_DIRECTIVE
  32
  33 /* Define to the name of the assembler's directive for
  34    declaring a symbol global (default `.globl').  */
  35 #undef  ASM_GLOBAL_DIRECTIVE
  36
  37 /* Define to use GNU libio instead of GNU stdio.
  38    This is defined by configure under --enable-libio.  */
  39 #undef  USE_IN_LIBIO
  40
  41 /* Define if using ELF and the assembler supports the `.previous'
  42    directive.  */
  43 #undef  HAVE_ASM_PREVIOUS_DIRECTIVE
  44
  45 /* Define if using ELF and the assembler supports the `.popsection'
  46    directive.  */
  47 #undef  HAVE_ASM_POPSECTION_DIRECTIVE
  48
  49 /* Define to the prefix Alpha/ELF GCC emits before ..ng symbols.  */
  50 #undef  ASM_ALPHA_NG_SYMBOL_PREFIX
  51
  52 /* Define if versioning of the library is wanted.  */
  53 #undef  DO_VERSIONING
  54
  55 /* Define if static NSS modules are wanted.  */
  56 #undef  DO_STATIC_NSS
  57
  58 /* Define if gcc uses DWARF2 unwind information for exception support.  */
  59 #undef  HAVE_DWARF2_UNWIND_INFO
  60
  61 /* Define if gcc uses DWARF2 unwind information for exception support
  62    with static variable. */
  63 #undef  HAVE_DWARF2_UNWIND_INFO_STATIC
  64
  65 /* Define if the compiler supports __builtin_expect.  */
  66 #undef  HAVE_BUILTIN_EXPECT
  67
  68 /* Define if the regparm attribute shall be used for local functions
  69    (gcc on ix86 only).  */
  70 #undef  USE_REGPARMS
  71
  72 /* Defined on PowerPC if the GCC being used has a problem with clobbering
  73    certain registers (CR0, MQ, CTR, LR) in asm statements.  */
  74 #undef  BROKEN_PPC_ASM_CR0
  75
  76
  77 /* Defined to some form of __attribute__ ((...)) if the compiler supports
  78    a different, more efficient calling convention.  */
  79 #if defined USE_REGPARMS && !defined PROF && !defined __BOUNDED_POINTERS__
  80 # define internal_function __attribute__ ((regparm (3), stdcall))
  81 #endif
  82
  83 /* Linux specific: minimum supported kernel version.  */
  84 #undef  __LINUX_KERNEL_VERSION
  85
  86 /* An extension in gcc 2.96 and up allows the subtraction of two
  87    local labels.  */
  88 #undef  HAVE_SUBTRACT_LOCAL_LABELS
  89
  90 /*
  91 \f */
  92
  93 #ifndef _LIBC
  94
  95 /* These symbols might be defined by some sysdeps configures.
  96    They are used only in miscellaneous generator programs, not
  97    in compiling libc itself.   */
  98
  99 /* sysdeps/generic/configure.in */
 100 #undef  HAVE_PSIGNAL
 101
 102 /* sysdeps/unix/configure.in */
 103 #undef  HAVE_STRERROR
 104
 105 /* sysdeps/unix/common/configure.in */
 106 #undef  HAVE_SYS_SIGLIST
 107 #undef  HAVE__SYS_SIGLIST
 108 #undef  HAVE__CTYPE_
 109 #undef  HAVE___CTYPE_
 110 #undef  HAVE___CTYPE
 111 #undef  HAVE__CTYPE__
 112 #undef  HAVE__CTYPE
 113 #undef  HAVE__LOCP
 114
 115 #endif
 116
 117 /*
 118 \f */
 119
 120 #ifdef  _LIBC
 121
 122 /* The zic and zdump programs need these definitions.  */
 123
 124 #define HAVE_STRERROR   1
 125
 126 /* The locale code needs these definitions.  */
 127
 128 #define HAVE_REGEX 1
 129
 130 #endif