Updated to fedora-glibc-20090108T1017
[glibc.git] / config.h.in
blobb5abb1018705956bc8ce67eff2aa3c7433725267
1 #if !defined __ASSEMBLER__ && !defined _ISOMAC && !defined __OPTIMIZE__
2 # error "glibc cannot be compiled without optimization"
3 #endif
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
11 /* Define if using ELF, which supports weak symbols.
12 This implies HAVE_ASM_WEAK_DIRECTIVE and NO_UNDERSCORES; set by
13 --with-elf. */
14 #undef HAVE_ELF
16 /* Define if building with SELinux support. Set by --with-selinux. */
17 #undef HAVE_SELINUX
19 /* Defined if building with SELinux support & audit libs are detected. */
20 #undef HAVE_LIBAUDIT
22 /* Defined if building with SELinux support & libcap libs are detected. */
23 #undef HAVE_LIBCAP
25 /* Define if using XCOFF. Set by --with-xcoff. */
26 #undef HAVE_XCOFF
28 /* Define if C symbols are asm symbols. Don't define if C symbols
29 have a `_' prepended to make the asm symbol. */
30 #undef NO_UNDERSCORES
32 /* Define if weak symbols are available via the `.weak' directive. */
33 #undef HAVE_ASM_WEAK_DIRECTIVE
35 /* Define if weak symbols are available via the `.weakext' directive. */
36 #undef HAVE_ASM_WEAKEXT_DIRECTIVE
38 /* Define if CFI directives are available. */
39 #undef HAVE_ASM_CFI_DIRECTIVES
41 /* Define to the assembler line separator character for multiple
42 assembler instructions per line. Default is `;' */
43 #undef ASM_LINE_SEP
45 /* Define if not using ELF, but `.init' and `.fini' sections are available. */
46 #undef HAVE_INITFINI
48 /* Define if __attribute__((section("foo"))) puts quotes around foo. */
49 #undef HAVE_SECTION_QUOTES
51 /* Define if the assembler supports the `.set' directive. */
52 #undef HAVE_ASM_SET_DIRECTIVE
54 /* Define to the name of the assembler's directive for
55 declaring a symbol global (default `.globl'). */
56 #undef ASM_GLOBAL_DIRECTIVE
58 /* Define to the prefix before `object' or `function' in the
59 assembler's `.type' directive, if it has one. */
60 #undef ASM_TYPE_DIRECTIVE_PREFIX
62 /* Define a symbol_name as a global .symbol_name for ld. */
63 #undef HAVE_ASM_GLOBAL_DOT_NAME
65 /* On powerpc64, use overlapping .opd entries. */
66 #undef USE_PPC64_OVERLAPPING_OPD
68 /* Define if the assembler generates debugging information directly. */
69 #undef HAVE_CPP_ASM_DEBUGINFO
71 /* Define if _Unwind_Find_FDE should be exported from glibc. */
72 #undef EXPORT_UNWIND_FIND_FDE
74 /* Define to use GNU libio instead of GNU stdio.
75 This is defined by configure under --enable-libio. */
76 #undef USE_IN_LIBIO
78 /* Define if using ELF and the assembler supports the `.previous'
79 directive. */
80 #undef HAVE_ASM_PREVIOUS_DIRECTIVE
82 /* Define if using ELF and the assembler supports the `.popsection'
83 directive. */
84 #undef HAVE_ASM_POPSECTION_DIRECTIVE
86 /* Define if versioning of the library is wanted. */
87 #undef DO_VERSIONING
89 /* Defined to the oldest ABI we support, like 2.1. */
90 #undef GLIBC_OLDEST_ABI
92 /* Define if static NSS modules are wanted. */
93 #undef DO_STATIC_NSS
95 /* Define if the compiler supports __builtin_expect. */
96 #undef HAVE_BUILTIN_EXPECT
98 /* Define if the compiler supports __builtin_memset. */
99 #undef HAVE_BUILTIN_MEMSET
101 /* Define if __asm () on built-in function's prototype causes redirection of
102 the builtin. */
103 #undef HAVE_BUILTIN_REDIRECTION
105 /* Define if the __thread keyword is supported. */
106 #undef HAVE___THREAD
108 /* Define if the compiler supports __attribute__((tls_model(""))). */
109 #undef HAVE_TLS_MODEL_ATTRIBUTE
111 /* Define if the regparm attribute shall be used for local functions
112 (gcc on ix86 only). */
113 #undef USE_REGPARMS
115 /* Defined on PowerPC if the GCC being used has a problem with clobbering
116 certain registers (CR0, MQ, CTR, LR) in asm statements. */
117 #undef BROKEN_PPC_ASM_CR0
119 /* Defined on SPARC if ld doesn't handle R_SPARC_WDISP22 against .hidden
120 symbol. sysdeps/sparc/sparc32/elf/configure. */
121 #undef BROKEN_SPARC_WDISP22
123 /* Define if the linker supports the -z combreloc option. */
124 #undef HAVE_Z_COMBRELOC
126 /* Define if _rtld_local structure should be forced into .sdata section. */
127 #undef HAVE_SDATA_SECTION
129 /* Define if binutils support TLS handling. */
130 #undef HAVE_TLS_SUPPORT
132 /* Define if the compiler's exception support is based on libunwind. */
133 #undef HAVE_CC_WITH_LIBUNWIND
135 /* Define if the access to static and hidden variables is position independent
136 and does not need relocations. */
137 #undef PI_STATIC_AND_HIDDEN
139 /* Define this to disable the `hidden_proto' et al macros in
140 include/libc-symbols.h that avoid PLT slots in the shared objects. */
141 #undef NO_HIDDEN
144 /* Defined to some form of __attribute__ ((...)) if the compiler supports
145 a different, more efficient calling convention. */
146 #if defined USE_REGPARMS && !defined PROF && !defined __BOUNDED_POINTERS__
147 # define internal_function __attribute__ ((regparm (3), stdcall))
148 #endif
150 /* Linux specific: minimum supported kernel version. */
151 #undef __LINUX_KERNEL_VERSION
153 /* Override abi-tags ABI version if necessary. */
154 #undef __ABI_TAG_VERSION
156 /* bash 2.0 introduced the _XXX_GNU_nonoption_argv_flags_ variable to help
157 getopt determine whether a parameter is a flag or not. This features
158 was disabled later since it caused trouble. We are by default therefore
159 disabling the support as well. */
160 #undef USE_NONOPTION_FLAGS
162 /* Mach/Hurd specific: define if mig supports the `retcode' keyword. */
163 #undef HAVE_MIG_RETCODE
165 /* Mach specific: define if the `host_page_size' RPC is available. */
166 #undef HAVE_HOST_PAGE_SIZE
168 /* Mach/i386 specific: define if the `i386_io_perm_*' RPCs are available. */
169 #undef HAVE_I386_IO_PERM_MODIFY
171 /* Mach/i386 specific: define if the `i386_set_gdt' RPC is available. */
172 #undef HAVE_I386_SET_GDT
174 /* Defined if forced unwind support is available. */
175 #undef HAVE_FORCED_UNWIND
177 /* Defined of libidn is available. */
178 #undef HAVE_LIBIDN
180 /* Define if inlined system calls are available. */
181 #undef HAVE_INLINED_SYSCALLS
183 /* Define if your assembler and linker support R_PPC_REL16* relocs. */
184 #undef HAVE_ASM_PPC_REL16
186 /* Define if your compiler defaults to -msecure-plt mode on ppc. */
187 #undef HAVE_PPC_SECURE_PLT
189 /* Define if __stack_chk_guard canary should be randomized at program startup. */
190 #undef ENABLE_STACKGUARD_RANDOMIZE
193 \f */
195 #ifndef _LIBC
197 /* These symbols might be defined by some sysdeps configures.
198 They are used only in miscellaneous generator programs, not
199 in compiling libc itself. */
201 /* sysdeps/generic/configure.in */
202 #undef HAVE_PSIGNAL
204 /* sysdeps/unix/configure.in */
205 #undef HAVE_STRERROR
207 /* sysdeps/unix/common/configure.in */
208 #undef HAVE_SYS_SIGLIST
209 #undef HAVE__SYS_SIGLIST
210 #undef HAVE__CTYPE_
211 #undef HAVE___CTYPE_
212 #undef HAVE___CTYPE
213 #undef HAVE__CTYPE__
214 #undef HAVE__CTYPE
215 #undef HAVE__LOCP
217 #endif
220 \f */
222 #ifdef _LIBC
224 /* The zic and zdump programs need these definitions. */
226 #define HAVE_STRERROR 1
228 /* The locale code needs these definitions. */
230 #define HAVE_REGEX 1
232 #endif