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+/* Copyright (C) 1991,92,93,95,96,97,98,99,2000,2001 Free Software Foundation, Inc.
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+ This file is part of the GNU C Library.
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+
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+ The GNU C Library is free software; you can redistribute it and/or
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+ modify it under the terms of the GNU Lesser General Public
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+ License as published by the Free Software Foundation; either
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+ version 2.1 of the License, or (at your option) any later version.
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+
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+ The GNU C Library is distributed in the hope that it will be useful,
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+ but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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+ Lesser General Public License for more details.
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+
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+ You should have received a copy of the GNU Lesser General Public
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+ License along with the GNU C Library; if not, write to the Free
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+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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+ 02111-1307 USA. */
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+
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+#ifndef _LIBC_INTERNAL_H
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+#define _LIBC_INTERNAL_H 1
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+
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+/* Some nice features only work properly with ELF */
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+#if defined __HAVE_ELF__
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+/* Define ALIASNAME as a weak alias for NAME. */
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+# define weak_alias(name, aliasname) _weak_alias (name, aliasname)
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+# define _weak_alias(name, aliasname) \
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+ extern __typeof (name) aliasname __attribute__ ((weak, alias (#name)));
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+/* Define ALIASNAME as a strong alias for NAME. */
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+# define strong_alias(name, aliasname) _strong_alias(name, aliasname)
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+# define _strong_alias(name, aliasname) \
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+ extern __typeof (name) aliasname __attribute__ ((alias (#name)));
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+/* This comes between the return type and function name in
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+ * a function definition to make that definition weak. */
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+# define weak_function __attribute__ ((weak))
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+# define weak_const_function __attribute__ ((weak, __const__))
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+/* Tacking on "\n\t#" to the section name makes gcc put it's bogus
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+ * section attributes on what looks like a comment to the assembler. */
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+# if defined(__cris__)
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+# define link_warning(symbol, msg)
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+# else
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+# define link_warning(symbol, msg) \
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+ asm (".section " ".gnu.warning." #symbol "\n\t.previous"); \
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+ static const char __evoke_link_warning_##symbol[] \
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+ __attribute__ ((unused, section (".gnu.warning." #symbol "\n\t#"))) = msg;
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+#endif
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+#else /* !defined __HAVE_ELF__ */
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+# define strong_alias(name, aliasname) _strong_alias (name, aliasname)
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+# define weak_alias(name, aliasname) _strong_alias (name, aliasname)
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+# define _strong_alias(name, aliasname) \
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+ __asm__(".global " __C_SYMBOL_PREFIX__ #aliasname "\n" \
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+ ".set " __C_SYMBOL_PREFIX__ #aliasname "," __C_SYMBOL_PREFIX__ #name);
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+# define link_warning(symbol, msg) \
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+ asm (".stabs \"" msg "\",30,0,0,0\n\t" \
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+ ".stabs \"" #symbol "\",1,0,0,0\n");
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+#endif
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+
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+#ifndef weak_function
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+/* If we do not have the __attribute__ ((weak)) syntax, there is no way we
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+ can define functions as weak symbols. The compiler will emit a `.globl'
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+ directive for the function symbol, and a `.weak' directive in addition
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+ will produce an error from the assembler. */
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+# define weak_function /* empty */
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+# define weak_const_function /* empty */
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+#endif
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+
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+/* On some platforms we can make internal function calls (i.e., calls of
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+ functions not exported) a bit faster by using a different calling
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+ convention. */
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+#ifndef internal_function
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+# define internal_function /* empty */
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+#endif
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+
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+/* Prepare for the case that `__builtin_expect' is not available. */
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+#if __GNUC__ == 2 && __GNUC_MINOR__ < 96
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+#define __builtin_expect(x, expected_value) (x)
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+#endif
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+#ifndef likely
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+# define likely(x) __builtin_expect((!!(x)),1)
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+#endif
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+#ifndef unlikely
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+# define unlikely(x) __builtin_expect((!!(x)),0)
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+#endif
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+#ifndef __LINUX_COMPILER_H
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+#define __LINUX_COMPILER_H
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+#endif
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+#ifndef __cast__
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+#define __cast__(_to)
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+#endif
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+
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+/* Arrange to hide uClibc internals */
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+#if __GNUC_PREREQ (3, 3)
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+# define attribute_hidden __attribute__ ((visibility ("hidden")))
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+#else
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+# define attribute_hidden
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+#endif
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+
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+/* --- this is added to integrate linuxthreads */
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+#define __USE_UNIX98 1
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+
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+#endif /* _LIBC_INTERNAL_H */
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Mike Frysinger