1#ifndef __stl_config__linux_h
2#define __stl_config__linux_h
3
4#define _STLP_PLATFORM "Linux"
5
6#include <features.h>
7
8/* This is defined wether library in use is glibc or not.
9   This may be treated as presence of GNU libc compatible
10   header files (these define is not really intended to check
11   for the presence of a particular library, but rather is used
12   to define an INTERFACE.) */
13#ifndef _STLP_USE_GLIBC
14#  define _STLP_USE_GLIBC 1
15#endif
16
17#ifndef _STLP_USE_STDIO_IO
18#  define _STLP_USE_UNIX_IO
19#endif
20
21/* #define _STLP_USE_STDIO_IO */
22
23/* If not explicitly specified otherwise, work with threads
24 */
25#if !defined(_STLP_NO_THREADS) && !defined(_REENTRANT)
26#  define _REENTRANT
27#endif
28
29#if defined(_REENTRANT) && !defined(_PTHREADS)
30# define _PTHREADS
31#endif
32
33#ifdef __UCLIBC__ /* uClibc 0.9.27 */
34#  define _STLP_USE_UCLIBC 1
35#  if !defined(__UCLIBC_HAS_WCHAR__)
36#    ifndef _STLP_NO_WCHAR_T
37#      define _STLP_NO_WCHAR_T
38#    endif
39#    ifndef _STLP_NO_NATIVE_MBSTATE_T
40#      define _STLP_NO_NATIVE_MBSTATE_T
41#    endif
42#    ifndef _STLP_NO_NATIVE_WIDE_STREAMS
43#      define _STLP_NO_NATIVE_WIDE_STREAMS
44#    endif
45#  endif /* __UCLIBC_HAS_WCHAR__ */
46   /* Hmm, bogus _GLIBCPP_USE_NAMESPACES seems undefined... */
47#  define _STLP_VENDOR_GLOBAL_CSTD 1
48#endif
49
50
51#if defined(_PTHREADS)
52#  define _STLP_THREADS
53#  define _STLP_PTHREADS
54/*
55#  ifndef __USE_UNIX98
56#    define __USE_UNIX98
57#  endif
58*/
59/* This feature exist at least since glibc 2.2.4 */
60/* #  define __FIT_XSI_THR */ /* Unix 98 or X/Open System Interfaces Extention */
61#  ifdef __USE_XOPEN2K
62/* The IEEE Std. 1003.1j-2000 introduces functions to implement spinlocks. */
63#   ifndef __UCLIBC__ /* There are no spinlocks in uClibc 0.9.27 */
64#     define _STLP_USE_PTHREAD_SPINLOCK
65#   else
66#     ifndef _STLP_DONT_USE_PTHREAD_SPINLOCK
67        /* in uClibc (0.9.26) pthread_spinlock* declared in headers
68         * but absent in library */
69#       define _STLP_DONT_USE_PTHREAD_SPINLOCK
70#     endif
71#   endif
72#   ifndef _STLP_DONT_USE_PTHREAD_SPINLOCK
73#     define _STLP_USE_PTHREAD_SPINLOCK
74#     define _STLP_STATIC_MUTEX _STLP_mutex
75#   endif
76/* #   define __FIT_PSHARED_MUTEX */
77#  endif
78#endif
79
80/* Endiannes */
81#include <endian.h>
82#if !defined(__BYTE_ORDER) || !defined(__LITTLE_ENDIAN) || !defined(__BIG_ENDIAN)
83#  error "One of __BYTE_ORDER, __LITTLE_ENDIAN and __BIG_ENDIAN undefined; Fix me!"
84#endif
85
86#if ( __BYTE_ORDER == __LITTLE_ENDIAN )
87#  define _STLP_LITTLE_ENDIAN 1
88#elif ( __BYTE_ORDER == __BIG_ENDIAN )
89#  define _STLP_BIG_ENDIAN 1
90#else
91#  error "__BYTE_ORDER neither __BIG_ENDIAN nor __LITTLE_ENDIAN; Fix me!"
92#endif
93
94#if defined(__GNUC__) && (__GNUC__ < 3)
95#  define _STLP_NO_NATIVE_WIDE_FUNCTIONS 1
96#endif
97
98#ifdef __GLIBC__
99#  if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 3) || (__GLIBC__ > 2)
100/* From glibc 2.3.x default allocator is malloc_alloc, if was not defined other */
101#    if !defined(_STLP_USE_MALLOC) && !defined(_STLP_USE_NEWALLOC) && !defined(_STLP_USE_PERTHREAD_ALLOC) && !defined(_STLP_USE_NODE_ALLOC)
102#      define _STLP_USE_MALLOC 1
103#    endif
104#  endif
105/* Following platforms has no long double:
106 *   - Alpha
107 *   - PowerPC
108 *   - SPARC, 32-bits (64-bits platform has long double)
109 *   - MIPS, 32-bits
110 *   - ARM
111 *   - SH4
112 */
113#  if defined(__alpha__) || \
114      defined(__ppc__) || defined(PPC) || defined(__powerpc__) || \
115      ((defined(__sparc) || defined(__sparcv9) || defined(__sparcv8plus)) && !defined ( __WORD64 ) && !defined(__arch64__)) /* ? */ || \
116      (defined(_MIPS_SIM) && (_MIPS_SIM == _ABIO32)) || \
117      defined(__arm__) || \
118      defined(__sh__)
119 /* #  if defined(__NO_LONG_DOUBLE_MATH) */
120#    define _STLP_NO_LONG_DOUBLE
121#  endif
122#endif
123
124
125#endif /* __stl_config__linux_h */
126