config.h.in

   1 #if !defined IS_IN_build && !defined __ASSEMBLER__ && !defined _ISOMAC \
   2     && !defined __OPTIMIZE__
   3 # error "glibc cannot be compiled without optimization"
   4 #endif
   5
   6 /* Another evil option when it comes to compiling the C library is
   7    --ffast-math since it alters the ABI.  */
   8 #if defined __FAST_MATH__ && !defined TEST_FAST_MATH
   9 # error "glibc must not be compiled with -ffast-math"
  10 #endif
  11
  12 /* Define if building with SELinux support.  Set by --with-selinux.  */
  13 #undef  HAVE_SELINUX
  14
  15 /* Defined if building with SELinux support & audit libs are detected. */
  16 #undef  HAVE_LIBAUDIT
  17
  18 /* Defined if building with SELinux support & libcap libs are detected.  */
  19 #undef  HAVE_LIBCAP
  20
  21 /* Define if weak symbols are available via the `.weak' directive.  */
  22 #undef  HAVE_ASM_WEAK_DIRECTIVE
  23
  24 /* Define if weak symbols are available via the `.weakext' directive.  */
  25 #undef  HAVE_ASM_WEAKEXT_DIRECTIVE
  26
  27 /* Define to the assembler line separator character for multiple
  28    assembler instructions per line.  Default is `;'  */
  29 #undef ASM_LINE_SEP
  30
  31 /* Define if __attribute__((section("foo"))) puts quotes around foo.  */
  32 #undef  HAVE_SECTION_QUOTES
  33
  34 /* Define if the assembler supports the `.set' directive.  */
  35 #undef  HAVE_ASM_SET_DIRECTIVE
  36
  37 /* Define if the assembler supports the gnu_unique_object symbol type.  */
  38 #undef  HAVE_ASM_UNIQUE_OBJECT
  39
  40 /* On powerpc64, use overlapping .opd entries.  */
  41 #undef  USE_PPC64_OVERLAPPING_OPD
  42
  43 /* Define if _Unwind_Find_FDE should be exported from glibc.  */
  44 #undef  EXPORT_UNWIND_FIND_FDE
  45
  46 /* Define if static NSS modules are wanted.  */
  47 #undef  DO_STATIC_NSS
  48
  49 /* Define if the compiler supports __builtin_memset.  */
  50 #undef  HAVE_BUILTIN_MEMSET
  51
  52 /* Define if compiler accepts -ftree-loop-distribute-patterns.  */
  53 #undef  HAVE_CC_INHIBIT_LOOP_TO_LIBCALL
  54
  55 /* Define if the regparm attribute shall be used for local functions
  56    (gcc on ix86 only).  */
  57 #undef  USE_REGPARMS
  58
  59 /* Defined on SPARC if GCC emits GOTDATA relocations.  */
  60 #undef  HAVE_GCC_GOTDATA
  61
  62 /* Define on SPARC if AS supports VIS3 instructions.  */
  63 #undef  HAVE_AS_VIS3_SUPPORT
  64
  65 /* Define if the linker supports the -z combreloc option.  */
  66 #undef  HAVE_Z_COMBRELOC
  67
  68 /* Define if _rtld_local structure should be forced into .sdata section.  */
  69 #undef  HAVE_SDATA_SECTION
  70
  71 /* Define if compiler supports AVX512.  */
  72 #undef  HAVE_AVX512_SUPPORT
  73
  74 /* Define if assembler supports AVX512.  */
  75 #undef  HAVE_AVX512_ASM_SUPPORT
  76
  77 /* Define if assembler supports vector instructions on S390.  */
  78 #undef  HAVE_S390_VX_ASM_SUPPORT
  79
  80 /* Define if assembler supports Intel MPX.  */
  81 #undef  HAVE_MPX_SUPPORT
  82
  83 /* Define if gcc supports AVX2.  */
  84 #undef  HAVE_AVX2_SUPPORT
  85
  86 /* Define if the compiler\'s exception support is based on libunwind.  */
  87 #undef  HAVE_CC_WITH_LIBUNWIND
  88
  89 /* Define if the access to static and hidden variables is position independent
  90    and does not need relocations.  */
  91 #undef  PI_STATIC_AND_HIDDEN
  92
  93 /* Define this to disable the 'hidden_proto' et al macros in
  94    include/libc-symbols.h that avoid PLT slots in the shared objects.  */
  95 #undef  NO_HIDDEN
  96
  97 /* AArch64 big endian ABI */
  98 #undef HAVE_AARCH64_BE
  99
 100
 101 /* Defined to some form of __attribute__ ((...)) if the compiler supports
 102    a different, more efficient calling convention.  */
 103 #if defined USE_REGPARMS && !defined PROF
 104 # define internal_function __attribute__ ((regparm (3), stdcall))
 105 #endif
 106
 107 /* Linux specific: minimum supported kernel version.  */
 108 #undef  __LINUX_KERNEL_VERSION
 109
 110 /* Override abi-tags ABI version if necessary.  */
 111 #undef  __ABI_TAG_VERSION
 112
 113 /* bash 2.0 introduced the _XXX_GNU_nonoption_argv_flags_ variable to help
 114    getopt determine whether a parameter is a flag or not.  This features
 115    was disabled later since it caused trouble.  We are by default therefore
 116    disabling the support as well.  */
 117 #undef USE_NONOPTION_FLAGS
 118
 119 /* Mach/Hurd specific: define if mig supports the `retcode' keyword.  */
 120 #undef  HAVE_MIG_RETCODE
 121
 122 /* Mach specific: define if the `host_page_size' RPC is available.  */
 123 #undef  HAVE_HOST_PAGE_SIZE
 124
 125 /* Mach/i386 specific: define if the `i386_io_perm_*' RPCs are available.  */
 126 #undef  HAVE_I386_IO_PERM_MODIFY
 127
 128 /* Mach/i386 specific: define if the `i386_set_gdt' RPC is available.  */
 129 #undef  HAVE_I386_SET_GDT
 130
 131 /* Defined if forced unwind support is available.  */
 132 #undef  HAVE_FORCED_UNWIND
 133
 134 /* Defined of libidn is available.  */
 135 #undef HAVE_LIBIDN
 136
 137 /* Define if inlined system calls are available.  */
 138 #undef HAVE_INLINED_SYSCALLS
 139
 140 /* Define if your compiler defaults to -msecure-plt mode on ppc.  */
 141 #undef HAVE_PPC_SECURE_PLT
 142
 143 /* Define if __stack_chk_guard canary should be randomized at program startup.  */
 144 #undef ENABLE_STACKGUARD_RANDOMIZE
 145
 146 /* Define if lock elision should be enabled by default.  */
 147 #undef ENABLE_LOCK_ELISION
 148
 149 /* Package description.  */
 150 #undef PKGVERSION
 151
 152 /* Bug reporting address.  */
 153 #undef REPORT_BUGS_TO
 154
 155 /* Define if multi-arch DSOs should be generated.  */
 156 #undef USE_MULTIARCH
 157
 158 /* Define if `.ctors' and `.dtors' sections shouldn't be used.  */
 159 #undef  NO_CTORS_DTORS_SECTIONS
 160
 161 /* Define if obsolete RPC code should be made available for user-level code
 162    to link against.  */
 163 #undef LINK_OBSOLETE_RPC
 164
 165 /* Define if Systemtap <sys/sdt.h> probes should be defined.  */
 166 #undef USE_STAP_PROBE
 167
 168 /* Define if library functions should try to contact the nscd daemon.  */
 169 #undef USE_NSCD
 170
 171 /* Define if the dynamic linker should consult an ld.so.cache file.  */
 172 #undef USE_LDCONFIG
 173
 174 /* Define to 1 if STT_GNU_IFUNC support actually works.  */
 175 #define HAVE_IFUNC 0
 176
 177 /* Define if linux/fanotify.h is available.  */
 178 #undef HAVE_LINUX_FANOTIFY_H
 179
 180 /* Define if the linker defines __ehdr_start.  */
 181 #undef HAVE_EHDR_START
 182
 183 /*
 184 \f */
 185
 186 #ifndef _LIBC
 187
 188 /* These symbols might be defined by some sysdeps configures.
 189    They are used only in miscellaneous generator programs, not
 190    in compiling libc itself.   */
 191
 192 /* sysdeps/generic/configure.ac */
 193 #undef  HAVE_PSIGNAL
 194
 195 /* sysdeps/unix/configure.ac */
 196 #undef  HAVE_STRERROR
 197
 198 /* sysdeps/unix/common/configure.ac */
 199 #undef  HAVE_SYS_SIGLIST
 200 #undef  HAVE__SYS_SIGLIST
 201 #undef  HAVE__CTYPE_
 202 #undef  HAVE___CTYPE_
 203 #undef  HAVE___CTYPE
 204 #undef  HAVE__CTYPE__
 205 #undef  HAVE__CTYPE
 206 #undef  HAVE__LOCP
 207
 208 #endif
 209
 210 /*
 211 \f */
 212
 213 #ifdef  _LIBC
 214
 215 /* The zic and zdump programs need these definitions.  */
 216
 217 #define HAVE_STRERROR   1
 218
 219 /* The locale code needs these definitions.  */
 220
 221 #define HAVE_REGEX 1
 222
 223 /* The ARM hard-float ABI is being used.  */
 224 #undef HAVE_ARM_PCS_VFP
 225
 226 /* The ARM movw/movt instructions using PC-relative relocs work right.  */
 227 #define ARM_PCREL_MOVW_OK 0
 228
 229 /* The pt_chown binary is being built and used by grantpt.  */
 230 #define HAVE_PT_CHOWN 0
 231
 232 /* Define if the compiler supports __builtin_trap without
 233    any external dependencies such as making a function call.  */
 234 #define HAVE_BUILTIN_TRAP 0
 235
 236 /* ports/sysdeps/mips/configure.in  */
 237 /* Define if using the IEEE 754-2008 NaN encoding on the MIPS target.  */
 238 #undef HAVE_MIPS_NAN2008
 239
 240 /* The PowerPC64 ELFv2 ABI is being used.  */
 241 #undef HAVE_ELFV2_ABI
 242
 243 /* PowerPC32 uses fcfid for integer to floating point conversions.  */
 244 #define HAVE_PPC_FCFID 0
 245
 246 /* PowerPC32 uses fctidz for floating point to long long conversions.  */
 247 #define HAVE_PPC_FCTIDZ 0
 248
 249 #endif