Update.
[glibc.git] / config.h.in
blobffeb1f39ded9c3d05cb22159090d369582342081
1 #if !defined ASSEMBLER && !defined _ISOMAC && !defined __OPTIMIZE__
2 # error "glibc cannot be compiled without optimization"
3 #endif
5 /* Define if using GNU ld, with support for weak symbols in a.out,
6 and for symbol set and warning messages extensions in a.out and ELF.
7 This implies HAVE_WEAK_SYMBOLS; set by --with-gnu-ld. */
8 #undef HAVE_GNU_LD
10 /* Define if using ELF, which supports weak symbols.
11 This implies HAVE_ASM_WEAK_DIRECTIVE and NO_UNDERSCORES; set by
12 --with-elf. */
13 #undef HAVE_ELF
15 /* Define if using XCOFF. Set by --with-xcoff. */
16 #undef HAVE_XCOFF
18 /* Define if C symbols are asm symbols. Don't define if C symbols
19 have a `_' prepended to make the asm symbol. */
20 #undef NO_UNDERSCORES
22 /* Define if weak symbols are available via the `.weak' directive. */
23 #undef HAVE_ASM_WEAK_DIRECTIVE
25 /* Define if weak symbols are available via the `.weakext' directive. */
26 #undef HAVE_ASM_WEAKEXT_DIRECTIVE
28 /* Define to the assembler line separator character for multiple
29 assembler instructions per line. Default is `;' */
30 #undef ASM_LINE_SEP
32 /* Define if not using ELF, but `.init' and `.fini' sections are available. */
33 #undef HAVE_INITFINI
35 /* Define if __attribute__((section("foo"))) puts quotes around foo. */
36 #undef HAVE_SECTION_QUOTES
38 /* Define if using the GNU assembler, gas. */
39 #undef HAVE_GNU_AS
41 /* Define if the assembler supports the `.set' directive. */
42 #undef HAVE_ASM_SET_DIRECTIVE
44 /* Define to the name of the assembler's directive for
45 declaring a symbol global (default `.globl'). */
46 #undef ASM_GLOBAL_DIRECTIVE
48 /* Define a symbol_name as a global .symbol_name for ld. */
49 #undef HAVE_ASM_GLOBAL_DOT_NAME
51 /* Define to use GNU libio instead of GNU stdio.
52 This is defined by configure under --enable-libio. */
53 #undef USE_IN_LIBIO
55 /* Define if using ELF and the assembler supports the `.previous'
56 directive. */
57 #undef HAVE_ASM_PREVIOUS_DIRECTIVE
59 /* Define if using ELF and the assembler supports the `.popsection'
60 directive. */
61 #undef HAVE_ASM_POPSECTION_DIRECTIVE
63 /* Define to the prefix Alpha/ELF GCC emits before ..ng symbols. */
64 #undef ASM_ALPHA_NG_SYMBOL_PREFIX
66 /* Define if versioning of the library is wanted. */
67 #undef DO_VERSIONING
69 /* Defined to the oldest ABI we support, like 2.1. */
70 #undef GLIBC_OLDEST_ABI
72 /* Define if static NSS modules are wanted. */
73 #undef DO_STATIC_NSS
75 /* Define if gcc uses DWARF2 unwind information for exception support. */
76 #undef HAVE_DWARF2_UNWIND_INFO
78 /* Define if gcc uses DWARF2 unwind information for exception support
79 with static variable. */
80 #undef HAVE_DWARF2_UNWIND_INFO_STATIC
82 /* Define if the compiler supports __builtin_expect. */
83 #undef HAVE_BUILTIN_EXPECT
85 /* Define if the regparm attribute shall be used for local functions
86 (gcc on ix86 only). */
87 #undef USE_REGPARMS
89 /* Defined on PowerPC if the GCC being used has a problem with clobbering
90 certain registers (CR0, MQ, CTR, LR) in asm statements. */
91 #undef BROKEN_PPC_ASM_CR0
93 /* Define if the linker supports the -z combreloc option. */
94 #undef HAVE_Z_COMBRELOC
97 /* Defined to some form of __attribute__ ((...)) if the compiler supports
98 a different, more efficient calling convention. */
99 #if defined USE_REGPARMS && !defined PROF && !defined __BOUNDED_POINTERS__
100 # define internal_function __attribute__ ((regparm (3), stdcall))
101 #endif
103 /* Linux specific: minimum supported kernel version. */
104 #undef __LINUX_KERNEL_VERSION
106 /* Override abi-tags ABI version if necessary. */
107 #undef __ABI_TAG_VERSION
109 /* An extension in gcc 2.96 and up allows the subtraction of two
110 local labels. */
111 #undef HAVE_SUBTRACT_LOCAL_LABELS
113 /* bash 2.0 introduced the _XXX_GNU_nonoption_argv_flags_ variable to help
114 getopt determine whether a parameter is a flag or not. This features
115 was disabled later since it caused trouble. We are by default therefore
116 disabling the support as well. */
117 #undef USE_NONOPTION_FLAGS
120 \f */
122 #ifndef _LIBC
124 /* These symbols might be defined by some sysdeps configures.
125 They are used only in miscellaneous generator programs, not
126 in compiling libc itself. */
128 /* sysdeps/generic/configure.in */
129 #undef HAVE_PSIGNAL
131 /* sysdeps/unix/configure.in */
132 #undef HAVE_STRERROR
134 /* sysdeps/unix/common/configure.in */
135 #undef HAVE_SYS_SIGLIST
136 #undef HAVE__SYS_SIGLIST
137 #undef HAVE__CTYPE_
138 #undef HAVE___CTYPE_
139 #undef HAVE___CTYPE
140 #undef HAVE__CTYPE__
141 #undef HAVE__CTYPE
142 #undef HAVE__LOCP
144 #endif
147 \f */
149 #ifdef _LIBC
151 /* The zic and zdump programs need these definitions. */
153 #define HAVE_STRERROR 1
155 /* The locale code needs these definitions. */
157 #define HAVE_REGEX 1
159 #endif