]> git.ipfire.org Git - thirdparty/glibc.git/blame_incremental - config.h.in
* debug/pread64_chk.c: Use __libc_pread64 instead of __pread64.
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1#if !defined __ASSEMBLER__ && !defined _ISOMAC && !defined __OPTIMIZE__
2# error "glibc cannot be compiled without optimization"
3#endif
4
5/* Another evil option when it comes to compiling the C library is
6 --ffast-math since it alters the ABI. */
7#if defined __FAST_MATH__ && !defined TEST_FAST_MATH
8# error "glibc must not be compiled with -ffast-math"
9#endif
10
11/* Define if using GNU ld, with support for weak symbols in a.out,
12 and for symbol set and warning messages extensions in a.out and ELF.
13 This implies HAVE_WEAK_SYMBOLS; set by --with-gnu-ld. */
14#undef HAVE_GNU_LD
15
16/* Define if using ELF, which supports weak symbols.
17 This implies HAVE_ASM_WEAK_DIRECTIVE and NO_UNDERSCORES; set by
18 --with-elf. */
19#undef HAVE_ELF
20
21/* Define if building with SELinux support. Set by --with-selinux. */
22#undef HAVE_SELINUX
23
24/* Define if using XCOFF. Set by --with-xcoff. */
25#undef HAVE_XCOFF
26
27/* Define if C symbols are asm symbols. Don't define if C symbols
28 have a `_' prepended to make the asm symbol. */
29#undef NO_UNDERSCORES
30
31/* Define if weak symbols are available via the `.weak' directive. */
32#undef HAVE_ASM_WEAK_DIRECTIVE
33
34/* Define if weak symbols are available via the `.weakext' directive. */
35#undef HAVE_ASM_WEAKEXT_DIRECTIVE
36
37/* Define if CFI directives are available. */
38#undef HAVE_ASM_CFI_DIRECTIVES
39
40/* Define to the assembler line separator character for multiple
41 assembler instructions per line. Default is `;' */
42#undef ASM_LINE_SEP
43
44/* Define if not using ELF, but `.init' and `.fini' sections are available. */
45#undef HAVE_INITFINI
46
47/* Define if __attribute__((section("foo"))) puts quotes around foo. */
48#undef HAVE_SECTION_QUOTES
49
50/* Define if using the GNU assembler, gas. */
51#undef HAVE_GNU_AS
52
53/* Define if the assembler supports the `.set' directive. */
54#undef HAVE_ASM_SET_DIRECTIVE
55
56/* Define to the name of the assembler's directive for
57 declaring a symbol global (default `.globl'). */
58#undef ASM_GLOBAL_DIRECTIVE
59
60/* Define to the prefix before `object' or `function' in the
61 assembler's `.type' directive, if it has one. */
62#undef ASM_TYPE_DIRECTIVE_PREFIX
63
64/* Define a symbol_name as a global .symbol_name for ld. */
65#undef HAVE_ASM_GLOBAL_DOT_NAME
66
67/* On powerpc64, use overlapping .opd entries. */
68#undef USE_PPC64_OVERLAPPING_OPD
69
70/* Define if the assembler generates debugging information directly. */
71#undef HAVE_CPP_ASM_DEBUGINFO
72
73/* Define if _Unwind_Find_FDE should be exported from glibc. */
74#undef EXPORT_UNWIND_FIND_FDE
75
76/* Define to use GNU libio instead of GNU stdio.
77 This is defined by configure under --enable-libio. */
78#undef USE_IN_LIBIO
79
80/* Define if using ELF and the assembler supports the `.previous'
81 directive. */
82#undef HAVE_ASM_PREVIOUS_DIRECTIVE
83
84/* Define if using ELF and the assembler supports the `.popsection'
85 directive. */
86#undef HAVE_ASM_POPSECTION_DIRECTIVE
87
88/* Define if versioning of the library is wanted. */
89#undef DO_VERSIONING
90
91/* Defined to the oldest ABI we support, like 2.1. */
92#undef GLIBC_OLDEST_ABI
93
94/* Define if static NSS modules are wanted. */
95#undef DO_STATIC_NSS
96
97/* Define if gcc uses DWARF2 unwind information for exception support. */
98#undef HAVE_DWARF2_UNWIND_INFO
99
100/* Define if gcc uses DWARF2 unwind information for exception support
101 with static variable. */
102#undef HAVE_DWARF2_UNWIND_INFO_STATIC
103
104/* Define if the compiler supports __builtin_expect. */
105#undef HAVE_BUILTIN_EXPECT
106
107/* Define if the compiler supports __builtin_memset. */
108#undef HAVE_BUILTIN_MEMSET
109
110/* Define if __asm () on built-in function's prototype causes redirection of
111 the builtin. */
112#undef HAVE_BUILTIN_REDIRECTION
113
114/* Define if the __thread keyword is supported. */
115#undef HAVE___THREAD
116
117/* Define if the compiler supports __attribute__((tls_model(""))). */
118#undef HAVE_TLS_MODEL_ATTRIBUTE
119
120/* Define if the regparm attribute shall be used for local functions
121 (gcc on ix86 only). */
122#undef USE_REGPARMS
123
124/* Defined on PowerPC if the GCC being used has a problem with clobbering
125 certain registers (CR0, MQ, CTR, LR) in asm statements. */
126#undef BROKEN_PPC_ASM_CR0
127
128/* Defined on SPARC if ld doesn't handle R_SPARC_WDISP22 against .hidden
129 symbol. sysdeps/sparc/sparc32/elf/configure. */
130#undef BROKEN_SPARC_WDISP22
131
132/* Define if the linker supports the -z combreloc option. */
133#undef HAVE_Z_COMBRELOC
134
135/* Define if the assembler supported .protected. */
136#undef HAVE_PROTECTED
137
138/* Define if the assembler supported .hidden. */
139#undef HAVE_HIDDEN
140
141/* Define if the compiler supports __attribute__ ((visibility (...))). */
142#undef HAVE_VISIBILITY_ATTRIBUTE
143
144/* Define if the compiler doesn't support __attribute__ ((visibility (...)))
145 together with __asm__ redirection properly. */
146#undef HAVE_BROKEN_VISIBILITY_ATTRIBUTE
147
148/* Define if the compiler doesn't support __attribute__ ((alias (...)))
149 together with __asm__ redirection properly. */
150#undef HAVE_BROKEN_ALIAS_ATTRIBUTE
151
152/* Define if _rtld_local structure should be forced into .sdata section. */
153#undef HAVE_SDATA_SECTION
154
155/* Define if binutils support TLS handling. */
156#undef HAVE_TLS_SUPPORT
157
158/* Define if the linker supports .preinit_array/.init_array/.fini_array
159 sections. */
160#undef HAVE_INITFINI_ARRAY
161
162/* Define if the compiler's exception support is based on libunwind. */
163#undef HAVE_CC_WITH_LIBUNWIND
164
165/* Define if the access to static and hidden variables is position independent
166 and does not need relocations. */
167#undef PI_STATIC_AND_HIDDEN
168
169/* Define this to disable the `hidden_proto' et al macros in
170 include/libc-symbols.h that avoid PLT slots in the shared objects. */
171#undef NO_HIDDEN
172
173
174/* Defined to some form of __attribute__ ((...)) if the compiler supports
175 a different, more efficient calling convention. */
176#if defined USE_REGPARMS && !defined PROF && !defined __BOUNDED_POINTERS__
177# define internal_function __attribute__ ((regparm (3), stdcall))
178#endif
179
180/* Linux specific: minimum supported kernel version. */
181#undef __LINUX_KERNEL_VERSION
182
183/* Override abi-tags ABI version if necessary. */
184#undef __ABI_TAG_VERSION
185
186/* An extension in gcc 2.96 and up allows the subtraction of two
187 local labels. */
188#undef HAVE_SUBTRACT_LOCAL_LABELS
189
190/* bash 2.0 introduced the _XXX_GNU_nonoption_argv_flags_ variable to help
191 getopt determine whether a parameter is a flag or not. This features
192 was disabled later since it caused trouble. We are by default therefore
193 disabling the support as well. */
194#undef USE_NONOPTION_FLAGS
195
196/* Mach/Hurd specific: define if mig supports the `retcode' keyword. */
197#undef HAVE_MIG_RETCODE
198
199/* Mach specific: define if the `host_page_size' RPC is available. */
200#undef HAVE_HOST_PAGE_SIZE
201
202/* Mach/i386 specific: define if the `i386_io_perm_*' RPCs are available. */
203#undef HAVE_I386_IO_PERM_MODIFY
204
205/* Mach/i386 specific: define if the `i386_set_gdt' RPC is available. */
206#undef HAVE_I386_SET_GDT
207
208/* Defined if forced unwind support is available. */
209#undef HAVE_FORCED_UNWIND
210
211/* Defined if the linker supports the -z relro option. */
212#undef HAVE_Z_RELRO
213
214/* Defined of libidn is available. */
215#undef HAVE_LIBIDN
216
217/* Define if inlined system calls are available. */
218#undef HAVE_INLINED_SYSCALLS
219
220/*
221\f */
222
223#ifndef _LIBC
224
225/* These symbols might be defined by some sysdeps configures.
226 They are used only in miscellaneous generator programs, not
227 in compiling libc itself. */
228
229/* sysdeps/generic/configure.in */
230#undef HAVE_PSIGNAL
231
232/* sysdeps/unix/configure.in */
233#undef HAVE_STRERROR
234
235/* sysdeps/unix/common/configure.in */
236#undef HAVE_SYS_SIGLIST
237#undef HAVE__SYS_SIGLIST
238#undef HAVE__CTYPE_
239#undef HAVE___CTYPE_
240#undef HAVE___CTYPE
241#undef HAVE__CTYPE__
242#undef HAVE__CTYPE
243#undef HAVE__LOCP
244
245#endif
246
247/*
248\f */
249
250#ifdef _LIBC
251
252/* The zic and zdump programs need these definitions. */
253
254#define HAVE_STRERROR 1
255
256/* The locale code needs these definitions. */
257
258#define HAVE_REGEX 1
259
260#endif