1 #if !defined __ASSEMBLER__ && !defined _ISOMAC && !defined __OPTIMIZE__
2 # error "glibc cannot be compiled without optimization"
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"
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. */
16 /* Define if using ELF, which supports weak symbols.
17 This implies HAVE_ASM_WEAK_DIRECTIVE and NO_UNDERSCORES; set by
21 /* Define if using XCOFF. Set by --with-xcoff. */
24 /* Define if C symbols are asm symbols. Don't define if C symbols
25 have a `_' prepended to make the asm symbol. */
28 /* Define if weak symbols are available via the `.weak' directive. */
29 #undef HAVE_ASM_WEAK_DIRECTIVE
31 /* Define if weak symbols are available via the `.weakext' directive. */
32 #undef HAVE_ASM_WEAKEXT_DIRECTIVE
34 /* Define to the assembler line separator character for multiple
35 assembler instructions per line. Default is `;' */
38 /* Define if not using ELF, but `.init' and `.fini' sections are available. */
41 /* Define if __attribute__((section("foo"))) puts quotes around foo. */
42 #undef HAVE_SECTION_QUOTES
44 /* Define if using the GNU assembler, gas. */
47 /* Define if the assembler supports the `.set' directive. */
48 #undef HAVE_ASM_SET_DIRECTIVE
50 /* Define to the name of the assembler's directive for
51 declaring a symbol global (default `.globl'). */
52 #undef ASM_GLOBAL_DIRECTIVE
54 /* Define to the prefix before `object' or `function' in the
55 assembler's `.type' directive, if it has one. */
56 #undef ASM_TYPE_DIRECTIVE_PREFIX
58 /* Define a symbol_name as a global .symbol_name for ld. */
59 #undef HAVE_ASM_GLOBAL_DOT_NAME
61 /* Define if _Unwind_Find_FDE should be exported from glibc. */
62 #undef EXPORT_UNWIND_FIND_FDE
64 /* Define to use GNU libio instead of GNU stdio.
65 This is defined by configure under --enable-libio. */
68 /* Define if using ELF and the assembler supports the `.previous'
70 #undef HAVE_ASM_PREVIOUS_DIRECTIVE
72 /* Define if using ELF and the assembler supports the `.popsection'
74 #undef HAVE_ASM_POPSECTION_DIRECTIVE
76 /* Define to the prefix Alpha/ELF GCC emits before ..ng symbols. */
77 #undef ASM_ALPHA_NG_SYMBOL_PREFIX
79 /* Define if versioning of the library is wanted. */
82 /* Defined to the oldest ABI we support, like 2.1. */
83 #undef GLIBC_OLDEST_ABI
85 /* Define if static NSS modules are wanted. */
88 /* Define if gcc uses DWARF2 unwind information for exception support. */
89 #undef HAVE_DWARF2_UNWIND_INFO
91 /* Define if gcc uses DWARF2 unwind information for exception support
92 with static variable. */
93 #undef HAVE_DWARF2_UNWIND_INFO_STATIC
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 the __thread keyword is supported. */
104 /* Define if the compiler supports __attribute__((tls_model(""))). */
105 #undef HAVE_TLS_MODEL_ATTRIBUTE
107 /* Define if the regparm attribute shall be used for local functions
108 (gcc on ix86 only). */
111 /* Defined on PowerPC if the GCC being used has a problem with clobbering
112 certain registers (CR0, MQ, CTR, LR) in asm statements. */
113 #undef BROKEN_PPC_ASM_CR0
115 /* Define if the linker supports the -z combreloc option. */
116 #undef HAVE_Z_COMBRELOC
118 /* Define if the assembler supported .protected. */
119 #undef HAVE_PROTECTED
121 /* Define if the assembler supported .hidden. */
124 /* Define if the compiler supports __attribute__ ((visibility (...))). */
125 #undef HAVE_VISIBILITY_ATTRIBUTE
127 /* Define if the compiler doesn't support __attribute__ ((visibility (...)))
128 together with __asm__ redirection properly. */
129 #undef HAVE_BROKEN_VISIBILITY_ATTRIBUTE
131 /* Define if the compiler doesn't support __attribute__ ((alias (...)))
132 together with __asm__ redirection properly. */
133 #undef HAVE_BROKEN_ALIAS_ATTRIBUTE
135 /* Define if _rtld_local structure should be forced into .sdata section. */
136 #undef HAVE_SDATA_SECTION
138 /* Define if binutils support TLS handling. */
139 #undef HAVE_TLS_SUPPORT
141 /* Define if the linker supports .preinit_array/.init_array/.fini_array
143 #undef HAVE_INITFINI_ARRAY
145 /* Define if the access to static and hidden variables is position independent
146 and does not need relocations. */
147 #undef PI_STATIC_AND_HIDDEN
149 /* Define this to disable the `hidden_proto' et al macros in
150 include/libc-symbols.h that avoid PLT slots in the shared objects. */
154 /* Defined to some form of __attribute__ ((...)) if the compiler supports
155 a different, more efficient calling convention. */
156 #if defined USE_REGPARMS && !defined PROF && !defined __BOUNDED_POINTERS__
157 # define internal_function __attribute__ ((regparm (3), stdcall))
160 /* Linux specific: minimum supported kernel version. */
161 #undef __LINUX_KERNEL_VERSION
163 /* Override abi-tags ABI version if necessary. */
164 #undef __ABI_TAG_VERSION
166 /* An extension in gcc 2.96 and up allows the subtraction of two
168 #undef HAVE_SUBTRACT_LOCAL_LABELS
170 /* bash 2.0 introduced the _XXX_GNU_nonoption_argv_flags_ variable to help
171 getopt determine whether a parameter is a flag or not. This features
172 was disabled later since it caused trouble. We are by default therefore
173 disabling the support as well. */
174 #undef USE_NONOPTION_FLAGS
176 /* Mach/Hurd specific: define if mig supports the `retcode' keyword. */
177 #undef HAVE_MIG_RETCODE
179 /* Mach specific: define if the `host_page_size' RPC is available. */
180 #undef HAVE_HOST_PAGE_SIZE
182 /* Mach/i386 specific: define if the `i386_io_perm_*' RPCs are available. */
183 #undef HAVE_I386_IO_PERM_MODIFY
185 /* Mach/i386 specific: define if the `i386_set_gdt' RPC is available. */
186 #undef HAVE_I386_SET_GDT
193 /* These symbols might be defined by some sysdeps configures.
194 They are used only in miscellaneous generator programs, not
195 in compiling libc itself. */
197 /* sysdeps/generic/configure.in */
200 /* sysdeps/unix/configure.in */
203 /* sysdeps/unix/common/configure.in */
204 #undef HAVE_SYS_SIGLIST
205 #undef HAVE__SYS_SIGLIST
220 /* The zic and zdump programs need these definitions. */
222 #define HAVE_STRERROR 1
224 /* The locale code needs these definitions. */