+
+#if defined(__GNU_LIBRARY__) && __GNU_LIBRARY__ < 5 && \
+ !defined(__dietlibc__) && \
+ !defined(_NEWLIB_VERSION) && \
+ !(defined __digital__ && defined __unix__)
+# error "Sorry, this libc version is not supported :("
+#endif
+
+/* Don't perpetuate e2fsck crap into the headers. Clean up e2fsck instead. */
+
+#if defined __GLIBC__ || defined __UCLIBC__ \
+ || defined __dietlibc__ || defined _NEWLIB_VERSION
+#include <features.h>
+#define HAVE_FEATURES_H
+#include <stdint.h>
+#define HAVE_STDINT_H
+#elif !defined __APPLE__
+/* Largest integral types. */
+#if __BIG_ENDIAN__
+typedef long intmax_t;
+typedef unsigned long uintmax_t;
+#else
+__extension__
+typedef long long intmax_t;
+__extension__
+typedef unsigned long long uintmax_t;
+#endif
+#endif
+
+/* Size-saving "small" ints (arch-dependent) */
+#if defined(i386) || defined(__x86_64__) || defined(__mips__) || defined(__cris__)
+/* add other arches which benefit from this... */
+typedef signed char smallint;
+typedef unsigned char smalluint;
+#else
+/* for arches where byte accesses generate larger code: */
+typedef int smallint;
+typedef unsigned smalluint;
+#endif
+
+/* ISO C Standard: 7.16 Boolean type and values <stdbool.h> */
+#if (defined __digital__ && defined __unix__)
+/* old system without (proper) C99 support */
+#define bool smalluint
+#else
+/* modern system, so use it */
+#include <stdbool.h>
+#endif
+
+/* Try to defeat gcc's alignment of "char message[]"-like data */
+#if 1 /* if needed: !defined(arch1) && !defined(arch2) */
+#define ALIGN1 __attribute__((aligned(1)))
+#define ALIGN2 __attribute__((aligned(2)))
+#else
+/* Arches which MUST have 2 or 4 byte alignment for everything are here */
+#define ALIGN1
+#define ALIGN2
+#endif
+
+
+/* uclibc does not implement daemon() for no-mmu systems.
+ * For 0.9.29 and svn, __ARCH_USE_MMU__ indicates no-mmu reliably.
+ * For earlier versions there is no reliable way to check if we are building
+ * for a mmu-less system.
+ */
+#if ENABLE_NOMMU || \
+ (defined __UCLIBC__ && __UCLIBC_MAJOR__ >= 0 && __UCLIBC_MINOR__ >= 9 && \
+ __UCLIBC_SUBLEVEL__ > 28 && !defined __ARCH_USE_MMU__)
+#define BB_MMU 0
+#define BB_NOMMU 1
+#define USE_FOR_NOMMU(...) __VA_ARGS__
+#define USE_FOR_MMU(...)
+#else
+#define BB_MMU 1
+/* BB_NOMMU is not defined in this case! */
+#define USE_FOR_NOMMU(...)
+#define USE_FOR_MMU(...) __VA_ARGS__
+#endif
+
+/* Platforms that haven't got dprintf need to implement fdprintf() in
+ * libbb. This would require a platform.c. It's not going to be cleaned
+ * out of the tree, so stop saying it should be. */
+#if !defined(__dietlibc__)
+/* Needed for: glibc */
+/* Not needed for: dietlibc */
+/* Others: ?? (add as needed) */
+#define fdprintf dprintf
+#endif
+
+#if defined(__dietlibc__)
+static ALWAYS_INLINE char* strchrnul(const char *s, char c)
+{
+ while (*s && *s != c) ++s;
+ return (char*)s;
+}
+#endif
+
+/* Don't use lchown with glibc older than 2.1.x ... uClibc lacks it */
+#if (defined __GLIBC__ && __GLIBC__ <= 2 && __GLIBC_MINOR__ < 1) || \
+ defined __UC_LIBC__
+# define lchown chown
+#endif
+
+#if (defined __digital__ && defined __unix__)
+#include <standards.h>
+#define HAVE_STANDARDS_H
+#include <inttypes.h>
+#define HAVE_INTTYPES_H
+#define PRIu32 "u"
+
+/* use legacy setpgrp(pid_t,pid_t) for now. move to platform.c */
+#define bb_setpgrp() do { pid_t __me = getpid(); setpgrp(__me,__me); } while (0)
+
+#if !defined ADJ_OFFSET_SINGLESHOT && defined MOD_CLKA && defined MOD_OFFSET
+#define ADJ_OFFSET_SINGLESHOT (MOD_CLKA | MOD_OFFSET)
+#endif
+#if !defined ADJ_FREQUENCY && defined MOD_FREQUENCY
+#define ADJ_FREQUENCY MOD_FREQUENCY
+#endif
+#if !defined ADJ_TIMECONST && defined MOD_TIMECONST
+#define ADJ_TIMECONST MOD_TIMECONST
+#endif
+#if !defined ADJ_TICK && defined MOD_CLKB
+#define ADJ_TICK MOD_CLKB
+#endif
+
+#else
+#define bb_setpgrp() setpgrp()
+#endif
+
+#if defined(__linux__)
+#include <sys/mount.h>
+/* Make sure we have all the new mount flags we actually try to use. */
+#ifndef MS_BIND
+#define MS_BIND (1<<12)
+#endif
+#ifndef MS_MOVE
+#define MS_MOVE (1<<13)
+#endif
+#ifndef MS_RECURSIVE
+#define MS_RECURSIVE (1<<14)
+#endif
+#ifndef MS_SILENT
+#define MS_SILENT (1<<15)
+#endif
+
+/* The shared subtree stuff, which went in around 2.6.15. */
+#ifndef MS_UNBINDABLE
+#define MS_UNBINDABLE (1<<17)
+#endif
+#ifndef MS_PRIVATE
+#define MS_PRIVATE (1<<18)
+#endif
+#ifndef MS_SLAVE
+#define MS_SLAVE (1<<19)
+#endif
+#ifndef MS_SHARED
+#define MS_SHARED (1<<20)
+#endif
+
+
+#if !defined(BLKSSZGET)
+#define BLKSSZGET _IO(0x12, 104)
+#endif
+#if !defined(BLKGETSIZE64)
+#define BLKGETSIZE64 _IOR(0x12,114,size_t)
+#endif
+#endif