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