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