| #ifndef __stl_config__linux_h |
| #define __stl_config__linux_h |
| |
| #define _STLP_PLATFORM "Linux" |
| |
| #include <features.h> |
| |
| /* This is defined wether library in use is glibc or not. |
| This may be treated as presence of GNU libc compatible |
| header files (these define is not really intended to check |
| for the presence of a particular library, but rather is used |
| to define an INTERFACE.) */ |
| #ifndef _STLP_USE_GLIBC |
| # define _STLP_USE_GLIBC 1 |
| #endif |
| |
| #ifndef _STLP_USE_STDIO_IO |
| # define _STLP_USE_UNIX_IO |
| #endif |
| |
| /* #define _STLP_USE_STDIO_IO */ |
| |
| /* If not explicitly specified otherwise, work with threads |
| */ |
| #if !defined(_STLP_NO_THREADS) && !defined(_REENTRANT) |
| # define _REENTRANT |
| #endif |
| |
| #if defined(_REENTRANT) && !defined(_PTHREADS) |
| # define _PTHREADS |
| #endif |
| |
| #ifdef __UCLIBC__ /* uClibc 0.9.27 */ |
| # define _STLP_USE_UCLIBC 1 |
| # if !defined(__UCLIBC_HAS_WCHAR__) |
| # ifndef _STLP_NO_WCHAR_T |
| # define _STLP_NO_WCHAR_T |
| # endif |
| # ifndef _STLP_NO_NATIVE_MBSTATE_T |
| # define _STLP_NO_NATIVE_MBSTATE_T |
| # endif |
| # ifndef _STLP_NO_NATIVE_WIDE_STREAMS |
| # define _STLP_NO_NATIVE_WIDE_STREAMS |
| # endif |
| # endif /* __UCLIBC_HAS_WCHAR__ */ |
| /* Hmm, bogus _GLIBCPP_USE_NAMESPACES seems undefined... */ |
| # define _STLP_VENDOR_GLOBAL_CSTD 1 |
| #endif |
| |
| |
| #if defined(_PTHREADS) |
| # define _STLP_THREADS |
| # define _STLP_PTHREADS |
| /* |
| # ifndef __USE_UNIX98 |
| # define __USE_UNIX98 |
| # endif |
| */ |
| /* This feature exist at least since glibc 2.2.4 */ |
| /* # define __FIT_XSI_THR */ /* Unix 98 or X/Open System Interfaces Extention */ |
| # ifdef __USE_XOPEN2K |
| /* The IEEE Std. 1003.1j-2000 introduces functions to implement spinlocks. */ |
| # ifndef __UCLIBC__ /* There are no spinlocks in uClibc 0.9.27 */ |
| # define _STLP_USE_PTHREAD_SPINLOCK |
| # else |
| # ifndef _STLP_DONT_USE_PTHREAD_SPINLOCK |
| /* in uClibc (0.9.26) pthread_spinlock* declared in headers |
| * but absent in library */ |
| # define _STLP_DONT_USE_PTHREAD_SPINLOCK |
| # endif |
| # endif |
| # ifndef _STLP_DONT_USE_PTHREAD_SPINLOCK |
| # define _STLP_USE_PTHREAD_SPINLOCK |
| # define _STLP_STATIC_MUTEX _STLP_mutex |
| # endif |
| /* # define __FIT_PSHARED_MUTEX */ |
| # endif |
| #endif |
| |
| /* Endiannes */ |
| #include <endian.h> |
| #if !defined(__BYTE_ORDER) || !defined(__LITTLE_ENDIAN) || !defined(__BIG_ENDIAN) |
| # error "One of __BYTE_ORDER, __LITTLE_ENDIAN and __BIG_ENDIAN undefined; Fix me!" |
| #endif |
| |
| #if ( __BYTE_ORDER == __LITTLE_ENDIAN ) |
| # define _STLP_LITTLE_ENDIAN 1 |
| #elif ( __BYTE_ORDER == __BIG_ENDIAN ) |
| # define _STLP_BIG_ENDIAN 1 |
| #else |
| # error "__BYTE_ORDER neither __BIG_ENDIAN nor __LITTLE_ENDIAN; Fix me!" |
| #endif |
| |
| #if defined(__GNUC__) && (__GNUC__ < 3) |
| # define _STLP_NO_NATIVE_WIDE_FUNCTIONS 1 |
| #endif |
| |
| #ifdef __GLIBC__ |
| # if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 3) || (__GLIBC__ > 2) |
| /* From glibc 2.3.x default allocator is malloc_alloc, if was not defined other */ |
| # if !defined(_STLP_USE_MALLOC) && !defined(_STLP_USE_NEWALLOC) && !defined(_STLP_USE_PERTHREAD_ALLOC) && !defined(_STLP_USE_NODE_ALLOC) |
| # define _STLP_USE_MALLOC 1 |
| # endif |
| # endif |
| /* Following platforms has no long double: |
| * - Alpha |
| * - PowerPC |
| * - SPARC, 32-bits (64-bits platform has long double) |
| * - MIPS, 32-bits |
| * - ARM |
| * - SH4 |
| */ |
| # if defined(__alpha__) || \ |
| defined(__ppc__) || defined(PPC) || defined(__powerpc__) || \ |
| ((defined(__sparc) || defined(__sparcv9) || defined(__sparcv8plus)) && !defined ( __WORD64 ) && !defined(__arch64__)) /* ? */ || \ |
| (defined(_MIPS_SIM) && (_MIPS_SIM == _ABIO32)) || \ |
| defined(__arm__) || \ |
| defined(__sh__) |
| /* # if defined(__NO_LONG_DOUBLE_MATH) */ |
| # define _STLP_NO_LONG_DOUBLE |
| # endif |
| #endif |
| |
| |
| #endif /* __stl_config__linux_h */ |