config.h.in

   1 #if !defined ASSEMBLER && !defined _ISOMAC && !defined __OPTIMIZE__
   2 # error "glibc cannot be compiled without optimization"
   3 #endif
   4
   5 /* Define if using GNU ld, with support for weak symbols in a.out,
   6    and for symbol set and warning messages extensions in a.out and ELF.
   7    This implies HAVE_WEAK_SYMBOLS; set by --with-gnu-ld.  */
   8 #undef  HAVE_GNU_LD
   9
  10 /* Define if using ELF, which supports weak symbols.
  11    This implies HAVE_ASM_WEAK_DIRECTIVE and NO_UNDERSCORES; set by
  12    --with-elf.  */
  13 #undef  HAVE_ELF
  14
  15 /* Define if using XCOFF. Set by --with-xcoff.  */
  16 #undef  HAVE_XCOFF
  17
  18 /* Define if C symbols are asm symbols.  Don't define if C symbols
  19    have a `_' prepended to make the asm symbol.  */
  20 #undef  NO_UNDERSCORES
  21
  22 /* Define if weak symbols are available via the `.weak' directive.  */
  23 #undef  HAVE_ASM_WEAK_DIRECTIVE
  24
  25 /* Define if weak symbols are available via the `.weakext' directive.  */
  26 #undef  HAVE_ASM_WEAKEXT_DIRECTIVE
  27
  28 /* Define to the assembler line separator character for multiple
  29    assembler instructions per line.  Default is `;'  */
  30 #undef ASM_LINE_SEP
  31
  32 /* Define if not using ELF, but `.init' and `.fini' sections are available.  */
  33 #undef  HAVE_INITFINI
  34
  35 /* Define if __attribute__((section("foo"))) puts quotes around foo.  */
  36 #undef  HAVE_SECTION_QUOTES
  37
  38 /* Define if using the GNU assembler, gas.  */
  39 #undef  HAVE_GNU_AS
  40
  41 /* Define if the assembler supports the `.set' directive.  */
  42 #undef  HAVE_ASM_SET_DIRECTIVE
  43
  44 /* Define to the name of the assembler's directive for
  45    declaring a symbol global (default `.globl').  */
  46 #undef  ASM_GLOBAL_DIRECTIVE
  47
  48 /* Define a symbol_name as a global .symbol_name for ld.  */
  49 #undef  HAVE_ASM_GLOBAL_DOT_NAME
  50
  51 /* Define if _Unwind_Find_FDE should be exported from glibc.  */
  52 #undef  EXPORT_UNWIND_FIND_FDE
  53
  54 /* Define to use GNU libio instead of GNU stdio.
  55    This is defined by configure under --enable-libio.  */
  56 #undef  USE_IN_LIBIO
  57
  58 /* Define if using ELF and the assembler supports the `.previous'
  59    directive.  */
  60 #undef  HAVE_ASM_PREVIOUS_DIRECTIVE
  61
  62 /* Define if using ELF and the assembler supports the `.popsection'
  63    directive.  */
  64 #undef  HAVE_ASM_POPSECTION_DIRECTIVE
  65
  66 /* Define to the prefix Alpha/ELF GCC emits before ..ng symbols.  */
  67 #undef  ASM_ALPHA_NG_SYMBOL_PREFIX
  68
  69 /* Define if versioning of the library is wanted.  */
  70 #undef  DO_VERSIONING
  71
  72 /* Defined to the oldest ABI we support, like 2.1.  */
  73 #undef GLIBC_OLDEST_ABI
  74
  75 /* Define if static NSS modules are wanted.  */
  76 #undef  DO_STATIC_NSS
  77
  78 /* Define if gcc uses DWARF2 unwind information for exception support.  */
  79 #undef  HAVE_DWARF2_UNWIND_INFO
  80
  81 /* Define if gcc uses DWARF2 unwind information for exception support
  82    with static variable. */
  83 #undef  HAVE_DWARF2_UNWIND_INFO_STATIC
  84
  85 /* Define if the compiler supports __builtin_expect.  */
  86 #undef  HAVE_BUILTIN_EXPECT
  87
  88 /* Define if the compiler supports __builtin_memset.  */
  89 #undef  HAVE_BUILTIN_MEMSET
  90
  91 /* Define if the regparm attribute shall be used for local functions
  92    (gcc on ix86 only).  */
  93 #undef  USE_REGPARMS
  94
  95 /* Defined on PowerPC if the GCC being used has a problem with clobbering
  96    certain registers (CR0, MQ, CTR, LR) in asm statements.  */
  97 #undef  BROKEN_PPC_ASM_CR0
  98
  99 /* Define if the linker supports the -z combreloc option.  */
 100 #undef  HAVE_Z_COMBRELOC
 101
 102 /* Define if the assembler supported .protected.  */
 103 #undef  HAVE_PROTECTED
 104
 105 /* Define if the compiler supports __attribute__ ((visibility (...))).  */
 106 #undef  HAVE_VISIBILITY_ATTRIBUTE
 107
 108 /* Define if _rtld_local structure should be forced into .sdata section.  */
 109 #undef  HAVE_SDATA_SECTION
 110
 111 /* Define if binutils support TLS handling.  */
 112 #undef  HAVE_TLS_SUPPORT
 113
 114 /* Define if the linker supports .preinit_array/.init_array/.fini_array
 115    sections.  */
 116 #undef  HAVE_INITFINI_ARRAY
 117
 118
 119 /* Defined to some form of __attribute__ ((...)) if the compiler supports
 120    a different, more efficient calling convention.  */
 121 #if defined USE_REGPARMS && !defined PROF && !defined __BOUNDED_POINTERS__
 122 # define internal_function __attribute__ ((regparm (3), stdcall))
 123 #endif
 124
 125 /* Linux specific: minimum supported kernel version.  */
 126 #undef  __LINUX_KERNEL_VERSION
 127
 128 /* Override abi-tags ABI version if necessary.  */
 129 #undef  __ABI_TAG_VERSION
 130
 131 /* An extension in gcc 2.96 and up allows the subtraction of two
 132    local labels.  */
 133 #undef  HAVE_SUBTRACT_LOCAL_LABELS
 134
 135 /* bash 2.0 introduced the _XXX_GNU_nonoption_argv_flags_ variable to help
 136    getopt determine whether a parameter is a flag or not.  This features
 137    was disabled later since it caused trouble.  We are by default therefore
 138    disabling the support as well.  */
 139 #undef USE_NONOPTION_FLAGS
 140
 141 /* Mach/Hurd specific: define if mig supports the `retcode' keyword.  */
 142 #undef  HAVE_MIG_RETCODE
 143
 144 /* Mach specific: define if the `host_page_size' RPC is available.  */
 145 #undef  HAVE_HOST_PAGE_SIZE
 146
 147 /* Mach/i386 specific: define if the `i386_io_perm_*' RPCs are available.  */
 148 #undef  HAVE_I386_IO_PERM_MODIFY
 149
 150 /* Sparc64 specific: define if .dynamic section comes before .got for
 151    shared libs.  */
 152 #undef  SPARC64_DYNAMIC_BEFORE_GOT
 153
 154 /*
 155 \f */
 156
 157 #ifndef _LIBC
 158
 159 /* These symbols might be defined by some sysdeps configures.
 160    They are used only in miscellaneous generator programs, not
 161    in compiling libc itself.   */
 162
 163 /* sysdeps/generic/configure.in */
 164 #undef  HAVE_PSIGNAL
 165
 166 /* sysdeps/unix/configure.in */
 167 #undef  HAVE_STRERROR
 168
 169 /* sysdeps/unix/common/configure.in */
 170 #undef  HAVE_SYS_SIGLIST
 171 #undef  HAVE__SYS_SIGLIST
 172 #undef  HAVE__CTYPE_
 173 #undef  HAVE___CTYPE_
 174 #undef  HAVE___CTYPE
 175 #undef  HAVE__CTYPE__
 176 #undef  HAVE__CTYPE
 177 #undef  HAVE__LOCP
 178
 179 #endif
 180
 181 /*
 182 \f */
 183
 184 #ifdef  _LIBC
 185
 186 /* The zic and zdump programs need these definitions.  */
 187
 188 #define HAVE_STRERROR   1
 189
 190 /* The locale code needs these definitions.  */
 191
 192 #define HAVE_REGEX 1
 193
 194 #endif