support_become_root: Enable file creation in user namespaces
[glibc.git] / config.h.in
blobc140ff3ecb22dea0e4c7d845ca63521738a99b2a
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 PIE. */
90 #undef NO_HIDDEN_EXTERN_FUNC_IN_PIE
92 /* Define this to disable the 'hidden_proto' et al macros in
93 include/libc-symbols.h that avoid PLT slots in the shared objects. */
94 #undef NO_HIDDEN
96 /* Define this to disable in rtld the 'hidden_proto' et al macros in
97 include/libc-symbols.h that avoid PLT slots in the shared objects. */
98 #undef NO_RTLD_HIDDEN
100 /* Define this to disable lazy relocations in DSOs. */
101 #undef BIND_NOW
103 /* AArch64 big endian ABI */
104 #undef HAVE_AARCH64_BE
107 /* Linux specific: minimum supported kernel version. */
108 #undef __LINUX_KERNEL_VERSION
110 /* Override abi-tags ABI version if necessary. */
111 #undef __ABI_TAG_VERSION
113 /* Mach/Hurd specific: define if mig supports the `retcode' keyword. */
114 #undef HAVE_MIG_RETCODE
116 /* Mach specific: define if the `host_page_size' RPC is available. */
117 #undef HAVE_HOST_PAGE_SIZE
119 /* Mach/i386 specific: define if the `i386_io_perm_*' RPCs are available. */
120 #undef HAVE_I386_IO_PERM_MODIFY
122 /* Mach/i386 specific: define if the `i386_set_gdt' RPC is available. */
123 #undef HAVE_I386_SET_GDT
125 /* Defined of libidn is available. */
126 #undef HAVE_LIBIDN
128 /* Define if inlined system calls are available. */
129 #undef HAVE_INLINED_SYSCALLS
131 /* Define if your compiler defaults to -msecure-plt mode on ppc. */
132 #undef HAVE_PPC_SECURE_PLT
134 /* Define if __stack_chk_guard canary should be randomized at program startup. */
135 #undef ENABLE_STACKGUARD_RANDOMIZE
137 /* Define if lock elision should be enabled by default. */
138 #undef ENABLE_LOCK_ELISION
140 /* Package description. */
141 #undef PKGVERSION
143 /* Bug reporting address. */
144 #undef REPORT_BUGS_TO
146 /* Define if multi-arch DSOs should be generated. */
147 #undef USE_MULTIARCH
149 /* Define if `.ctors' and `.dtors' sections shouldn't be used. */
150 #undef NO_CTORS_DTORS_SECTIONS
152 /* Define if obsolete RPC code should be made available for user-level code
153 to link against. */
154 #undef LINK_OBSOLETE_RPC
156 /* Define if obsolete libnsl code should be made available for user-level
157 code to link against. */
158 #undef LINK_OBSOLETE_NSL
160 /* Define if Systemtap <sys/sdt.h> probes should be defined. */
161 #undef USE_STAP_PROBE
163 /* Define if library functions should try to contact the nscd daemon. */
164 #undef USE_NSCD
166 /* Define if the dynamic linker should consult an ld.so.cache file. */
167 #undef USE_LDCONFIG
169 /* Define to 1 if STT_GNU_IFUNC support actually works. */
170 #define HAVE_IFUNC 0
172 /* Define if gcc supports attribute ifunc. */
173 #undef HAVE_GCC_IFUNC
175 /* Define if the linker defines __ehdr_start. */
176 #undef HAVE_EHDR_START
179 \f */
181 #ifndef _LIBC
183 /* These symbols might be defined by some sysdeps configures.
184 They are used only in miscellaneous generator programs, not
185 in compiling libc itself. */
187 /* sysdeps/generic/configure.ac */
188 #undef HAVE_PSIGNAL
190 /* sysdeps/unix/configure.ac */
191 #undef HAVE_STRERROR
193 /* sysdeps/unix/common/configure.ac */
194 #undef HAVE_SYS_SIGLIST
195 #undef HAVE__SYS_SIGLIST
196 #undef HAVE__CTYPE_
197 #undef HAVE___CTYPE_
198 #undef HAVE___CTYPE
199 #undef HAVE__CTYPE__
200 #undef HAVE__CTYPE
201 #undef HAVE__LOCP
203 #endif
206 \f */
208 #ifdef _LIBC
210 /* The zic and zdump programs need these definitions. */
212 #define HAVE_STRERROR 1
214 /* The locale code needs these definitions. */
216 #define HAVE_REGEX 1
218 /* The ARM hard-float ABI is being used. */
219 #undef HAVE_ARM_PCS_VFP
221 /* The ARM movw/movt instructions using PC-relative relocs work right. */
222 #define ARM_PCREL_MOVW_OK 0
224 /* The pt_chown binary is being built and used by grantpt. */
225 #define HAVE_PT_CHOWN 0
227 /* Define if the compiler supports __builtin_trap without
228 any external dependencies such as making a function call. */
229 #define HAVE_BUILTIN_TRAP 0
231 /* ports/sysdeps/mips/configure.in */
232 /* Define if using the IEEE 754-2008 NaN encoding on the MIPS target. */
233 #undef HAVE_MIPS_NAN2008
235 /* The PowerPC64 ELFv2 ABI is being used. */
236 #undef HAVE_ELFV2_ABI
238 /* PowerPC32 uses fcfid for integer to floating point conversions. */
239 #define HAVE_PPC_FCFID 0
241 /* PowerPC32 uses fctidz for floating point to long long conversions. */
242 #define HAVE_PPC_FCTIDZ 0
244 /* Build glibc with tunables support. */
245 #define HAVE_TUNABLES 0
247 /* Some compiler options may now allow to use ebp in __asm__ (used mainly
248 in i386 6 argument syscall issue). */
249 #define CAN_USE_REGISTER_ASM_EBP 0
251 #endif