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