glibc/config.h.in
Ulrich Drepper 958f238f36 Update.
1999-05-26  Ulrich Drepper  <drepper@cygnus.com>

	* config.h.in: Add __LINUX_KERNEL_VERSION.
	* configure.in: Recognize --enable-kernel.
	* sysdeps/unix/sysv/linux/configure.in: Check for correct kernel
	headers if --enable-kernel is given and set __LINUX_KERNEL_VERSION
	appropriately.
	* sysdeps/unix/sysv/linux/init-first.c: If minimal kernel version is
	given perform runtime test.

	* sysdeps/unix/sysv/linux/kernel-features.h: New file.
	* sysdeps/unix/sysv/linux/getcwd.c: Elide compatibility code if
	minimal supported kernel is known to have the feature.
	* sysdeps/unix/sysv/linux/poll.c: Likewise.
	* sysdeps/unix/sysv/linux/pread.c: Likewise.
	* sysdeps/unix/sysv/linux/pread64.c: Likewise.
	* sysdeps/unix/sysv/linux/pwrite.c: Likewise.
	* sysdeps/unix/sysv/linux/pwrite64.c: Likewise.
	* sysdeps/unix/sysv/linux/seteuid.c: Likewise.
	* sysdeps/unix/sysv/linux/sigaction.c: Likewise.
	* sysdeps/unix/sysv/linux/sigprocmask.c: Likewise.
	* sysdeps/unix/sysv/linux/sigsuspend.c: Likewise.
	* sysdeps/unix/sysv/linux/testrtsig.h: Likewise.
	* sysdeps/unix/sysv/linux/i386/chown.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/pread.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/pread64.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/pwrite.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/pwrite64.c: Likewise.

	* sysdeps/unix/sysv/linux/sysctl.c: Add __sysctl alias.
1999-05-26 23:37:38 +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 if not using ELF, but `.init' and `.fini' sections are available. */
#undef HAVE_INITFINI
/* 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 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
/* 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
# define internal_function __attribute__ ((regparm (3), stdcall))
#endif
/* Linux specific: minimum supported kernel version. */
#undef __LINUX_KERNEL_VERSION
/*
*/
#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