]> git.ipfire.org Git - thirdparty/glibc.git/blob - config.h.in
Port the 0x7efe...feff pattern to GCC 6.
[thirdparty/glibc.git] / 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 using ELF and the assembler supports the `.previous'
47 directive. */
48 #undef HAVE_ASM_PREVIOUS_DIRECTIVE
49
50 /* Define if using ELF and the assembler supports the `.popsection'
51 directive. */
52 #undef HAVE_ASM_POPSECTION_DIRECTIVE
53
54 /* Define if static NSS modules are wanted. */
55 #undef DO_STATIC_NSS
56
57 /* Define if the compiler supports __builtin_memset. */
58 #undef HAVE_BUILTIN_MEMSET
59
60 /* Define if compiler accepts -ftree-loop-distribute-patterns. */
61 #undef HAVE_CC_INHIBIT_LOOP_TO_LIBCALL
62
63 /* Define if the regparm attribute shall be used for local functions
64 (gcc on ix86 only). */
65 #undef USE_REGPARMS
66
67 /* Defined on SPARC if GCC emits GOTDATA relocations. */
68 #undef HAVE_GCC_GOTDATA
69
70 /* Define on SPARC if AS supports VIS3 instructions. */
71 #undef HAVE_AS_VIS3_SUPPORT
72
73 /* Define if the linker supports the -z combreloc option. */
74 #undef HAVE_Z_COMBRELOC
75
76 /* Define if _rtld_local structure should be forced into .sdata section. */
77 #undef HAVE_SDATA_SECTION
78
79 /* Define if gcc supports SSE4. */
80 #undef HAVE_SSE4_SUPPORT
81
82 /* Define if gcc supports AVX. */
83 #undef HAVE_AVX_SUPPORT
84
85 /* Define if gcc supports VEX encoding. */
86 #undef HAVE_SSE2AVX_SUPPORT
87
88 /* Define if compiler supports AVX512. */
89 #undef HAVE_AVX512_SUPPORT
90
91 /* Define if assembler supports AVX512. */
92 #undef HAVE_AVX512_ASM_SUPPORT
93
94 /* Define if assembler supports Intel MPX. */
95 #undef HAVE_MPX_SUPPORT
96
97 /* Define if gcc supports FMA4. */
98 #undef HAVE_FMA4_SUPPORT
99
100 /* Define if gcc supports AVX2. */
101 #undef HAVE_AVX2_SUPPORT
102
103 /* Define if the compiler\'s exception support is based on libunwind. */
104 #undef HAVE_CC_WITH_LIBUNWIND
105
106 /* Define if the access to static and hidden variables is position independent
107 and does not need relocations. */
108 #undef PI_STATIC_AND_HIDDEN
109
110 /* Define this to disable the 'hidden_proto' et al macros in
111 include/libc-symbols.h that avoid PLT slots in the shared objects. */
112 #undef NO_HIDDEN
113
114 /* AArch64 big endian ABI */
115 #undef HAVE_AARCH64_BE
116
117
118 /* Defined to some form of __attribute__ ((...)) if the compiler supports
119 a different, more efficient calling convention. */
120 #if defined USE_REGPARMS && !defined PROF
121 # define internal_function __attribute__ ((regparm (3), stdcall))
122 #endif
123
124 /* Linux specific: minimum supported kernel version. */
125 #undef __LINUX_KERNEL_VERSION
126
127 /* Override abi-tags ABI version if necessary. */
128 #undef __ABI_TAG_VERSION
129
130 /* bash 2.0 introduced the _XXX_GNU_nonoption_argv_flags_ variable to help
131 getopt determine whether a parameter is a flag or not. This features
132 was disabled later since it caused trouble. We are by default therefore
133 disabling the support as well. */
134 #undef USE_NONOPTION_FLAGS
135
136 /* Mach/Hurd specific: define if mig supports the `retcode' keyword. */
137 #undef HAVE_MIG_RETCODE
138
139 /* Mach specific: define if the `host_page_size' RPC is available. */
140 #undef HAVE_HOST_PAGE_SIZE
141
142 /* Mach/i386 specific: define if the `i386_io_perm_*' RPCs are available. */
143 #undef HAVE_I386_IO_PERM_MODIFY
144
145 /* Mach/i386 specific: define if the `i386_set_gdt' RPC is available. */
146 #undef HAVE_I386_SET_GDT
147
148 /* Defined if forced unwind support is available. */
149 #undef HAVE_FORCED_UNWIND
150
151 /* Defined of libidn is available. */
152 #undef HAVE_LIBIDN
153
154 /* Define if inlined system calls are available. */
155 #undef HAVE_INLINED_SYSCALLS
156
157 /* Define if your compiler defaults to -msecure-plt mode on ppc. */
158 #undef HAVE_PPC_SECURE_PLT
159
160 /* Define if __stack_chk_guard canary should be randomized at program startup. */
161 #undef ENABLE_STACKGUARD_RANDOMIZE
162
163 /* Define if lock elision should be enabled by default. */
164 #undef ENABLE_LOCK_ELISION
165
166 /* Package description. */
167 #undef PKGVERSION
168
169 /* Bug reporting address. */
170 #undef REPORT_BUGS_TO
171
172 /* Define if multi-arch DSOs should be generated. */
173 #undef USE_MULTIARCH
174
175 /* Define if `.ctors' and `.dtors' sections shouldn't be used. */
176 #undef NO_CTORS_DTORS_SECTIONS
177
178 /* Define if obsolete RPC code should be made available for user-level code
179 to link against. */
180 #undef LINK_OBSOLETE_RPC
181
182 /* Define if Systemtap <sys/sdt.h> probes should be defined. */
183 #undef USE_STAP_PROBE
184
185 /* Define if library functions should try to contact the nscd daemon. */
186 #undef USE_NSCD
187
188 /* Define if the dynamic linker should consult an ld.so.cache file. */
189 #undef USE_LDCONFIG
190
191 /* Define to 1 if STT_GNU_IFUNC support actually works. */
192 #define HAVE_IFUNC 0
193
194 /* Define if linux/fanotify.h is available. */
195 #undef HAVE_LINUX_FANOTIFY_H
196
197 /* Define if the linker defines __ehdr_start. */
198 #undef HAVE_EHDR_START
199
200 /*
201 \f */
202
203 #ifndef _LIBC
204
205 /* These symbols might be defined by some sysdeps configures.
206 They are used only in miscellaneous generator programs, not
207 in compiling libc itself. */
208
209 /* sysdeps/generic/configure.ac */
210 #undef HAVE_PSIGNAL
211
212 /* sysdeps/unix/configure.ac */
213 #undef HAVE_STRERROR
214
215 /* sysdeps/unix/common/configure.ac */
216 #undef HAVE_SYS_SIGLIST
217 #undef HAVE__SYS_SIGLIST
218 #undef HAVE__CTYPE_
219 #undef HAVE___CTYPE_
220 #undef HAVE___CTYPE
221 #undef HAVE__CTYPE__
222 #undef HAVE__CTYPE
223 #undef HAVE__LOCP
224
225 #endif
226
227 /*
228 \f */
229
230 #ifdef _LIBC
231
232 /* The zic and zdump programs need these definitions. */
233
234 #define HAVE_STRERROR 1
235
236 /* The locale code needs these definitions. */
237
238 #define HAVE_REGEX 1
239
240 /* The ARM hard-float ABI is being used. */
241 #undef HAVE_ARM_PCS_VFP
242
243 /* The ARM movw/movt instructions using PC-relative relocs work right. */
244 #define ARM_PCREL_MOVW_OK 0
245
246 /* The pt_chown binary is being built and used by grantpt. */
247 #define HAVE_PT_CHOWN 0
248
249 /* Define if the compiler supports __builtin_trap without
250 any external dependencies such as making a function call. */
251 #define HAVE_BUILTIN_TRAP 0
252
253 /* ports/sysdeps/mips/configure.in */
254 /* Define if using the IEEE 754-2008 NaN encoding on the MIPS target. */
255 #undef HAVE_MIPS_NAN2008
256
257 /* The PowerPC64 ELFv2 ABI is being used. */
258 #undef HAVE_ELFV2_ABI
259
260 #endif