ReactOS  0.4.15-dev-1070-ge1a01de
_linux.h
Go to the documentation of this file.
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 */