Mark __libc_multiple_libcs with attribute_hidden [BZ #18822]
[glibc.git] / config.h.in
blob014fb4ea0ef8ef5fde6cd8cea8fd6bcda3622d7a
1 /* Define if building with SELinux support. Set by --with-selinux. */
2 #undef HAVE_SELINUX
4 /* Defined if building with SELinux support & audit libs are detected. */
5 #undef HAVE_LIBAUDIT
7 /* Defined if building with SELinux support & libcap libs are detected. */
8 #undef HAVE_LIBCAP
10 /* Define to the assembler line separator character for multiple
11 assembler instructions per line. Default is `;' */
12 #undef ASM_LINE_SEP
14 /* Define if __attribute__((section("foo"))) puts quotes around foo. */
15 #undef HAVE_SECTION_QUOTES
17 /* Define if the assembler supports the `.set' directive. */
18 #undef HAVE_ASM_SET_DIRECTIVE
20 /* On powerpc64, use overlapping .opd entries. */
21 #undef USE_PPC64_OVERLAPPING_OPD
23 /* Define if _Unwind_Find_FDE should be exported from glibc. */
24 #undef EXPORT_UNWIND_FIND_FDE
26 /* Define if static NSS modules are wanted. */
27 #undef DO_STATIC_NSS
29 /* Assume that the compiler supports __builtin_expect.
30 This macro is necessary for proper compilation of code
31 shared between GNU libc and GNU gettext projects. */
32 #define HAVE_BUILTIN_EXPECT 1
34 /* Define if the compiler supports __builtin_memset. */
35 #undef HAVE_BUILTIN_MEMSET
37 /* Define if compiler accepts -ftree-loop-distribute-patterns. */
38 #undef HAVE_CC_INHIBIT_LOOP_TO_LIBCALL
40 /* Define if compiler accepts -fno-stack-protector in an
41 __attribute__ ((__optimize__)). */
42 #undef HAVE_CC_NO_STACK_PROTECTOR
44 /* The level of stack protection in use for glibc as a whole.
45 May be overridden on a file-by-file basis. */
46 #ifndef STACK_PROTECTOR_LEVEL
47 #undef STACK_PROTECTOR_LEVEL
48 #endif
50 /* Defined on SPARC if GCC emits GOTDATA relocations. */
51 #undef HAVE_GCC_GOTDATA
53 /* Define on SPARC if AS supports VIS3 instructions. */
54 #undef HAVE_AS_VIS3_SUPPORT
56 /* Define if the linker supports the -z combreloc option. */
57 #undef HAVE_Z_COMBRELOC
59 /* Define if _rtld_local structure should be forced into .sdata section. */
60 #undef HAVE_SDATA_SECTION
62 /* Define if compiler supports AVX512. */
63 #undef HAVE_AVX512_SUPPORT
65 /* Define if assembler supports AVX512DQ. */
66 #undef HAVE_AVX512DQ_ASM_SUPPORT
68 /* Define if assembler supports z196 zarch instructions as default on S390. */
69 #undef HAVE_S390_MIN_Z196_ZARCH_ASM_SUPPORT
71 /* Define if assembler supports vector instructions on S390. */
72 #undef HAVE_S390_VX_ASM_SUPPORT
74 /* Define if gcc supports vector registers as clobbers in inline assembly
75 on S390. */
76 #undef HAVE_S390_VX_GCC_SUPPORT
78 /* Define if assembler supports Intel MPX. */
79 #undef HAVE_MPX_SUPPORT
81 /* Define if the compiler\'s exception support is based on libunwind. */
82 #undef HAVE_CC_WITH_LIBUNWIND
84 /* Define if the access to static and hidden variables is position independent
85 and does not need relocations. */
86 #undef PI_STATIC_AND_HIDDEN
88 /* Define this to disable the 'hidden_proto' et al macros in
89 include/libc-symbols.h that avoid PLT slots in the shared objects. */
90 #undef NO_HIDDEN
92 /* Define this to disable lazy relocations in DSOs. */
93 #undef BIND_NOW
95 /* AArch64 big endian ABI */
96 #undef HAVE_AARCH64_BE
99 /* Linux specific: minimum supported kernel version. */
100 #undef __LINUX_KERNEL_VERSION
102 /* Override abi-tags ABI version if necessary. */
103 #undef __ABI_TAG_VERSION
105 /* Mach/Hurd specific: define if mig supports the `retcode' keyword. */
106 #undef HAVE_MIG_RETCODE
108 /* Mach specific: define if the `host_page_size' RPC is available. */
109 #undef HAVE_HOST_PAGE_SIZE
111 /* Mach/i386 specific: define if the `i386_io_perm_*' RPCs are available. */
112 #undef HAVE_I386_IO_PERM_MODIFY
114 /* Mach/i386 specific: define if the `i386_set_gdt' RPC is available. */
115 #undef HAVE_I386_SET_GDT
117 /* Defined of libidn is available. */
118 #undef HAVE_LIBIDN
120 /* Define if inlined system calls are available. */
121 #undef HAVE_INLINED_SYSCALLS
123 /* Define if your compiler defaults to -msecure-plt mode on ppc. */
124 #undef HAVE_PPC_SECURE_PLT
126 /* Define if __stack_chk_guard canary should be randomized at program startup. */
127 #undef ENABLE_STACKGUARD_RANDOMIZE
129 /* Define if lock elision should be enabled by default. */
130 #undef ENABLE_LOCK_ELISION
132 /* Package description. */
133 #undef PKGVERSION
135 /* Bug reporting address. */
136 #undef REPORT_BUGS_TO
138 /* Define if multi-arch DSOs should be generated. */
139 #undef USE_MULTIARCH
141 /* Define if `.ctors' and `.dtors' sections shouldn't be used. */
142 #undef NO_CTORS_DTORS_SECTIONS
144 /* Define if obsolete RPC code should be made available for user-level code
145 to link against. */
146 #undef LINK_OBSOLETE_RPC
148 /* Define if obsolete libnsl code should be made available for user-level
149 code to link against. */
150 #undef LINK_OBSOLETE_NSL
152 /* Define if Systemtap <sys/sdt.h> probes should be defined. */
153 #undef USE_STAP_PROBE
155 /* Define if library functions should try to contact the nscd daemon. */
156 #undef USE_NSCD
158 /* Define if the dynamic linker should consult an ld.so.cache file. */
159 #undef USE_LDCONFIG
161 /* Define to 1 if STT_GNU_IFUNC support actually works. */
162 #define HAVE_IFUNC 0
164 /* Define if gcc supports attribute ifunc. */
165 #undef HAVE_GCC_IFUNC
167 /* Define if the linker defines __ehdr_start. */
168 #undef HAVE_EHDR_START
171 \f */
173 #ifndef _LIBC
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. */
179 /* sysdeps/generic/configure.ac */
180 #undef HAVE_PSIGNAL
182 /* sysdeps/unix/configure.ac */
183 #undef HAVE_STRERROR
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
195 #endif
198 \f */
200 #ifdef _LIBC
202 /* The zic and zdump programs need these definitions. */
204 #define HAVE_STRERROR 1
206 /* The locale code needs these definitions. */
208 #define HAVE_REGEX 1
210 /* The ARM hard-float ABI is being used. */
211 #undef HAVE_ARM_PCS_VFP
213 /* The ARM movw/movt instructions using PC-relative relocs work right. */
214 #define ARM_PCREL_MOVW_OK 0
216 /* The pt_chown binary is being built and used by grantpt. */
217 #define HAVE_PT_CHOWN 0
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
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
227 /* The PowerPC64 ELFv2 ABI is being used. */
228 #undef HAVE_ELFV2_ABI
230 /* PowerPC32 uses fcfid for integer to floating point conversions. */
231 #define HAVE_PPC_FCFID 0
233 /* PowerPC32 uses fctidz for floating point to long long conversions. */
234 #define HAVE_PPC_FCTIDZ 0
236 /* Build glibc with tunables support. */
237 #define HAVE_TUNABLES 0
239 /* Some compiler options may now allow to use ebp in __asm__ (used mainly
240 in i386 6 argument syscall issue). */
241 #define CAN_USE_REGISTER_ASM_EBP 0
243 #endif