(gnulib): If have-cc-withh-libunwind is "yes", also mention -lunwind.

[thirdparty/glibc.git] / config.h.in

diff --git a/config.h.in b/config.h.in
index 475bd72a38799cb0d9ced8341995acf9693dcfa5..ba5a55cfc653924a458915785a17719a9fa8f6a5 100644 (file)
--- a/config.h.in
+++ b/config.h.in
@@ -1,7 +1,13 @@
-#if !defined ASSEMBLER && !defined _ISOMAC && !defined __OPTIMIZE__
+#if !defined __ASSEMBLER__ && !defined _ISOMAC && !defined __OPTIMIZE__
 # error "glibc cannot be compiled without optimization"
 #endif
 
+/* Another evil option when it comes to compiling the C library is
+   --ffast-math since it alters the ABI.  */
+#if defined __FAST_MATH__ && !defined TEST_FAST_MATH
+# error "glibc must not be compiled with -ffast-math"
+#endif
+
 /* Define if using GNU ld, with support for weak symbols in a.out,
    and for symbol set and warning messages extensions in a.out and ELF.
    This implies HAVE_WEAK_SYMBOLS; set by --with-gnu-ld.  */
@@ -25,6 +31,9 @@
 /* Define if weak symbols are available via the `.weakext' directive.  */
 #undef HAVE_ASM_WEAKEXT_DIRECTIVE
 
+/* Define if CFI directives are available.  */
+#undef HAVE_ASM_CFI_DIRECTIVES
+
 /* Define to the assembler line separator character for multiple
    assembler instructions per line.  Default is `;'  */
 #undef ASM_LINE_SEP
@@ -45,9 +54,16 @@
    declaring a symbol global (default `.globl').  */
 #undef ASM_GLOBAL_DIRECTIVE
 
+/* Define to the prefix before `object' or `function' in the
+   assembler's `.type' directive, if it has one.  */
+#undef ASM_TYPE_DIRECTIVE_PREFIX
+
 /* Define a symbol_name as a global .symbol_name for ld.  */
 #undef HAVE_ASM_GLOBAL_DOT_NAME
 
+/* Define if the assembler generates debugging information directly.  */
+#undef HAVE_CPP_ASM_DEBUGINFO
+
 /* Define if _Unwind_Find_FDE should be exported from glibc.  */
 #undef  EXPORT_UNWIND_FIND_FDE
 
@@ -63,9 +79,6 @@
    directive.  */
 #undef HAVE_ASM_POPSECTION_DIRECTIVE
 
-/* Define to the prefix Alpha/ELF GCC emits before ..ng symbols.  */
-#undef  ASM_ALPHA_NG_SYMBOL_PREFIX
-
 /* Define if versioning of the library is wanted.  */
 #undef DO_VERSIONING
 
@@ -85,6 +98,19 @@
 /* Define if the compiler supports __builtin_expect.  */
 #undef HAVE_BUILTIN_EXPECT
 
+/* Define if the compiler supports __builtin_memset.  */
+#undef HAVE_BUILTIN_MEMSET
+
+/* Define if __asm () on built-in function's prototype causes redirection of
+   the builtin.  */
+#undef HAVE_BUILTIN_REDIRECTION
+
+/* Define if the __thread keyword is supported.  */
+#undef HAVE___THREAD
+
+/* Define if the compiler supports __attribute__((tls_model(""))).  */
+#undef HAVE_TLS_MODEL_ATTRIBUTE
+
 /* Define if the regparm attribute shall be used for local functions
    (gcc on ix86 only).  */
 #undef USE_REGPARMS
@@ -93,9 +119,48 @@
    certain registers (CR0, MQ, CTR, LR) in asm statements.  */
 #undef BROKEN_PPC_ASM_CR0
 
+/* Defined on SPARC if ld doesn't handle R_SPARC_WDISP22 against .hidden
+   symbol.  sysdeps/sparc/sparc32/elf/configure.  */
+#undef BROKEN_SPARC_WDISP22
+
 /* Define if the linker supports the -z combreloc option.  */
 #undef HAVE_Z_COMBRELOC
 
+/* Define if the assembler supported .protected.  */
+#undef HAVE_PROTECTED
+
+/* Define if the assembler supported .hidden.  */
+#undef HAVE_HIDDEN
+
+/* Define if the compiler supports __attribute__ ((visibility (...))).  */
+#undef HAVE_VISIBILITY_ATTRIBUTE
+
+/* Define if the compiler doesn't support __attribute__ ((visibility (...)))
+   together with __asm__ redirection properly.  */
+#undef HAVE_BROKEN_VISIBILITY_ATTRIBUTE
+
+/* Define if the compiler doesn't support __attribute__ ((alias (...)))
+   together with __asm__ redirection properly.  */
+#undef HAVE_BROKEN_ALIAS_ATTRIBUTE
+
+/* Define if _rtld_local structure should be forced into .sdata section.  */
+#undef HAVE_SDATA_SECTION
+
+/* Define if binutils support TLS handling.  */
+#undef HAVE_TLS_SUPPORT
+
+/* Define if the linker supports .preinit_array/.init_array/.fini_array
+   sections.  */
+#undef HAVE_INITFINI_ARRAY
+
+/* Define if the access to static and hidden variables is position independent
+   and does not need relocations.  */
+#undef PI_STATIC_AND_HIDDEN
+
+/* Define this to disable the `hidden_proto' et al macros in
+   include/libc-symbols.h that avoid PLT slots in the shared objects.  */
+#undef NO_HIDDEN
+
 
 /* Defined to some form of __attribute__ ((...)) if the compiler supports
    a different, more efficient calling convention.  */
@@ -119,6 +184,21 @@
    disabling the support as well.  */
 #undef USE_NONOPTION_FLAGS
 
+/* Mach/Hurd specific: define if mig supports the `retcode' keyword.  */
+#undef HAVE_MIG_RETCODE
+
+/* Mach specific: define if the `host_page_size' RPC is available.  */
+#undef HAVE_HOST_PAGE_SIZE
+
+/* Mach/i386 specific: define if the `i386_io_perm_*' RPCs are available.  */
+#undef HAVE_I386_IO_PERM_MODIFY
+
+/* Mach/i386 specific: define if the `i386_set_gdt' RPC is available.  */
+#undef HAVE_I386_SET_GDT
+
+/* Defined if forced unwind support is available.  */
+#undef HAVE_FORCED_UNWIND
+
 /*
 \f */