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[glibc.git] / config.h.in
blobb6223d73d4328ce59666915bdff6741daaf54c79
1 /* Define if using GNU ld, with support for weak symbols in a.out,
2 and for symbol set and warning messages extensions in a.out and ELF.
3 This implies HAVE_WEAK_SYMBOLS; set by --with-gnu-ld. */
4 #undef HAVE_GNU_LD
6 /* Define if using ELF, which supports weak symbols.
7 This implies HAVE_ASM_WEAK_DIRECTIVE and NO_UNDERSCORES; set by
8 --with-elf. */
9 #undef HAVE_ELF
11 /* Define if C symbols are asm symbols. Don't define if C symbols
12 have a `_' prepended to make the asm symbol. */
13 #undef NO_UNDERSCORES
15 /* Define if weak symbols are available via the `.weak' directive. */
16 #undef HAVE_ASM_WEAK_DIRECTIVE
18 /* Define if weak symbols are available via the `.weakext' directive. */
19 #undef HAVE_ASM_WEAKEXT_DIRECTIVE
21 /* Define to the assembler line separator character for multiple
22 assembler instructions per line. Default is `;' */
23 #undef ASM_LINE_SEP
25 /* Define if not using ELF, but `.init' and `.fini' sections are available. */
26 #undef HAVE_INITFINI
28 /* Define if __attribute__((section("foo"))) puts quotes around foo. */
29 #undef HAVE_SECTION_QUOTES
31 /* Define if using the GNU assembler, gas. */
32 #undef HAVE_GNU_AS
34 /* Define if the assembler supports the `.set' directive. */
35 #undef HAVE_ASM_SET_DIRECTIVE
37 /* Define to the name of the assembler's directive for
38 declaring a symbol global (default `.globl'). */
39 #undef ASM_GLOBAL_DIRECTIVE
41 /* Define a symbol_name as a global .symbol_name for ld. */
42 #undef HAVE_ASM_GLOBAL_DOT_NAME
44 /* Define to use GNU libio instead of GNU stdio.
45 This is defined by configure under --enable-libio. */
46 #undef USE_IN_LIBIO
48 /* Define if using ELF and the assembler supports the `.previous'
49 directive. */
50 #undef HAVE_ASM_PREVIOUS_DIRECTIVE
52 /* Define if using ELF and the assembler supports the `.popsection'
53 directive. */
54 #undef HAVE_ASM_POPSECTION_DIRECTIVE
56 /* Define to the prefix Alpha/ELF GCC emits before ..ng symbols. */
57 #undef ASM_ALPHA_NG_SYMBOL_PREFIX
59 /* Define if versioning of the library is wanted. */
60 #undef DO_VERSIONING
62 /* Defined to the oldest ABI we support, like 2.1. */
63 #undef GLIBC_OLDEST_ABI
65 /* Define if static NSS modules are wanted. */
66 #undef DO_STATIC_NSS
68 /* Define if gcc uses DWARF2 unwind information for exception support. */
69 #undef HAVE_DWARF2_UNWIND_INFO
71 /* Define if gcc uses DWARF2 unwind information for exception support
72 with static variable. */
73 #undef HAVE_DWARF2_UNWIND_INFO_STATIC
75 /* Define if the compiler supports __builtin_expect. */
76 #undef HAVE_BUILTIN_EXPECT
78 /* Define if the regparm attribute shall be used for local functions
79 (gcc on ix86 only). */
80 #undef USE_REGPARMS
82 /* Defined on PowerPC if the GCC being used has a problem with clobbering
83 certain registers (CR0, MQ, CTR, LR) in asm statements. */
84 #undef BROKEN_PPC_ASM_CR0
87 /* Defined to some form of __attribute__ ((...)) if the compiler supports
88 a different, more efficient calling convention. */
89 #if defined USE_REGPARMS && !defined PROF && !defined __BOUNDED_POINTERS__
90 # define internal_function __attribute__ ((regparm (3), stdcall))
91 #endif
93 /* Linux specific: minimum supported kernel version. */
94 #undef __LINUX_KERNEL_VERSION
96 /* An extension in gcc 2.96 and up allows the subtraction of two
97 local labels. */
98 #undef HAVE_SUBTRACT_LOCAL_LABELS
101 \f */
103 #ifndef _LIBC
105 /* These symbols might be defined by some sysdeps configures.
106 They are used only in miscellaneous generator programs, not
107 in compiling libc itself. */
109 /* sysdeps/generic/configure.in */
110 #undef HAVE_PSIGNAL
112 /* sysdeps/unix/configure.in */
113 #undef HAVE_STRERROR
115 /* sysdeps/unix/common/configure.in */
116 #undef HAVE_SYS_SIGLIST
117 #undef HAVE__SYS_SIGLIST
118 #undef HAVE__CTYPE_
119 #undef HAVE___CTYPE_
120 #undef HAVE___CTYPE
121 #undef HAVE__CTYPE__
122 #undef HAVE__CTYPE
123 #undef HAVE__LOCP
125 #endif
128 \f */
130 #ifdef _LIBC
132 /* The zic and zdump programs need these definitions. */
134 #define HAVE_STRERROR 1
136 /* The locale code needs these definitions. */
138 #define HAVE_REGEX 1
140 #endif