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glibc/config.h.in
Ulrich Drepper a986484f67 Update. 
2001-03-12  Jakub Jelinek  <jakub@redhat.com>

	* csu/Makefile (abi-tag.h): Define OS and version separately, allow
	version to be overriden from config.h.
	* csu/abi-note.S: Use OS and version separately, include config.h.
	* elf/dl-load.c (_dl_osversion): New.
	(_dl_map_object_from_fd): Kill some warnings.
	(open_verify): Check .note.ABI-tag of the library if present.
	* elf/Makefile (CPPFLAGS-dl-load.c): Add -I$(csu-objpfx).
	* elf/cache.c (struct cache_entry): Add osversion.
	(print_entry): Print osversion.
	(print_cache): Pass osversion to it.
	(compare): Sort according to osversion.
	(save_cache): Set osversion.
	(add_to_cache): Add osversion argument.
	* sysdeps/generic/ldconfig.h (add_to_cache, process_file,
	process_elf_file): Add osversion argument.
	* elf/readlib.c (process_file): Likewise.
	* sysdeps/generic/readelflib.c (process_elf_file): Likewise.
	* sysdeps/unix/sysv/linux/ia64/readelflib.c (process_elf_file,
	process_elf32_file, process_elf64_file): Likewise.
	* sysdeps/unix/sysv/linux/i386/readelflib.c (process_elf_file,
	process_elf32_file, process_elf64_file): Likewise.
	* sysdeps/unix/sysv/linux/sparc/readelflib.c (process_elf_file,
	process_elf32_file, process_elf64_file): Likewise.
	* elf/ldconfig.c (manual_link): Pass it.
	(search_dir): Issue diagnostic if two libs with the same soname in
	the same directory have different .note.ABI-tag.  Record osversion in
	dlib_entry and use it from there.
	(struct lib_entry): Remove.
	(struct dlib_entry): Add osversion.
	* sysdeps/generic/dl-cache.c (_dl_load_cache_lookup): Check
	osversion.
	* sysdeps/generic/dl-cache.h (struct file_entry_new): Replace __unused
	field with osversion.
	* sysdeps/generic/ldsodefs.h (_dl_osversion): Declare.
	* sysdeps/unix/sysv/linux/init-first.c: Include ldsodefs.h.
	* sysdeps/unix/sysv/linux/dl-osinfo.h (DL_SYSDEP_OSCHECK): Save kernel
	version in _dl_osversion.
	* sysdeps/unix/sysv/linux/configure.in: Define __ABI_TAG_VERSION.
	* Makerules (build-shlib-helper, build-module-helper): New.
	(build-shlib, build-module-helper): Make sure .note.ABI-tag comes
	early.
	* config.h.in (__ABI_TAG_VERSION): Add.
	* elf/dl-minimal.c (__strtoul_internal): Set endptr on return.
	* sysdeps/unix/sysv/linux/i386/dl-librecon.h (EXTRA_LD_ENVVARS):
	Handle LD_ASSUME_KERNEL.
	* sysdeps/unix/sysv/linux/dl-librecon.h: New.
2001-03-16 07:40:05 +00:00

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/* 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. */
#undef HAVE_GNU_LD
/* Define if using ELF, which supports weak symbols.
This implies HAVE_ASM_WEAK_DIRECTIVE and NO_UNDERSCORES; set by
--with-elf. */
#undef HAVE_ELF
/* Define if C symbols are asm symbols. Don't define if C symbols
have a `_' prepended to make the asm symbol. */
#undef NO_UNDERSCORES
/* Define if weak symbols are available via the `.weak' directive. */
#undef HAVE_ASM_WEAK_DIRECTIVE
/* Define if weak symbols are available via the `.weakext' directive. */
#undef HAVE_ASM_WEAKEXT_DIRECTIVE
/* Define to the assembler line separator character for multiple
assembler instructions per line. Default is `;' */
#undef ASM_LINE_SEP
/* Define if not using ELF, but `.init' and `.fini' sections are available. */
#undef HAVE_INITFINI
/* Define if __attribute__((section("foo"))) puts quotes around foo. */
#undef HAVE_SECTION_QUOTES
/* Define if using the GNU assembler, gas. */
#undef HAVE_GNU_AS
/* Define if the assembler supports the `.set' directive. */
#undef HAVE_ASM_SET_DIRECTIVE
/* Define to the name of the assembler's directive for
declaring a symbol global (default `.globl'). */
#undef ASM_GLOBAL_DIRECTIVE
/* Define a symbol_name as a global .symbol_name for ld. */
#undef HAVE_ASM_GLOBAL_DOT_NAME
/* Define to use GNU libio instead of GNU stdio.
This is defined by configure under --enable-libio. */
#undef USE_IN_LIBIO
/* Define if using ELF and the assembler supports the `.previous'
directive. */
#undef HAVE_ASM_PREVIOUS_DIRECTIVE
/* Define if using ELF and the assembler supports the `.popsection'
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
/* Defined to the oldest ABI we support, like 2.1. */
#undef GLIBC_OLDEST_ABI
/* Define if static NSS modules are wanted. */
#undef DO_STATIC_NSS
/* Define if gcc uses DWARF2 unwind information for exception support. */
#undef HAVE_DWARF2_UNWIND_INFO
/* Define if gcc uses DWARF2 unwind information for exception support
with static variable. */
#undef HAVE_DWARF2_UNWIND_INFO_STATIC
/* Define if the compiler supports __builtin_expect. */
#undef HAVE_BUILTIN_EXPECT
/* Define if the regparm attribute shall be used for local functions
(gcc on ix86 only). */
#undef USE_REGPARMS
/* Defined on PowerPC if the GCC being used has a problem with clobbering
certain registers (CR0, MQ, CTR, LR) in asm statements. */
#undef BROKEN_PPC_ASM_CR0
/* Defined to some form of __attribute__ ((...)) if the compiler supports
a different, more efficient calling convention. */
#if defined USE_REGPARMS && !defined PROF && !defined __BOUNDED_POINTERS__
# define internal_function __attribute__ ((regparm (3), stdcall))
#endif
/* Linux specific: minimum supported kernel version. */
#undef __LINUX_KERNEL_VERSION
/* Override abi-tags ABI version if necessary. */
#undef __ABI_TAG_VERSION
/* An extension in gcc 2.96 and up allows the subtraction of two
local labels. */
#undef HAVE_SUBTRACT_LOCAL_LABELS
/*
*/
#ifndef _LIBC
/* These symbols might be defined by some sysdeps configures.
They are used only in miscellaneous generator programs, not
in compiling libc itself. */
/* sysdeps/generic/configure.in */
#undef HAVE_PSIGNAL
/* sysdeps/unix/configure.in */
#undef HAVE_STRERROR
/* sysdeps/unix/common/configure.in */
#undef HAVE_SYS_SIGLIST
#undef HAVE__SYS_SIGLIST
#undef HAVE__CTYPE_
#undef HAVE___CTYPE_
#undef HAVE___CTYPE
#undef HAVE__CTYPE__
#undef HAVE__CTYPE
#undef HAVE__LOCP
#endif
/*
*/
#ifdef _LIBC
/* The zic and zdump programs need these definitions. */
#define HAVE_STRERROR 1
/* The locale code needs these definitions. */
#define HAVE_REGEX 1
#endif
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