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
