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gcc/libstdc++-v3/config.h.in
Mike Crowe ab40695a46 libstdc++: Add full steady_clock support to shared_timed_mutex 
The pthread_rwlock_clockrdlock and pthread_rwlock_clockwrlock functions
were added to glibc in v2.30. They have also been added to Android
Bionic. If these functions are available in the C library then they can
be used to implement shared_timed_mutex::try_lock_until,
shared_timed_mutex::try_lock_for,
shared_timed_mutex::try_lock_shared_until and
shared_timed_mutex::try_lock_shared_for so that they are no longer
unaffected by the system clock being warped. (This is the shared_mutex
equivalent of PR libstdc++/78237 for mutex.)

If the new functions are available then steady_clock is deemed to be the
"best" clock available which means that it is used for the relative
try_lock_for calls and absolute try_lock_until calls using steady_clock
and user-defined clocks. It's not possible to have
_GLIBCXX_USE_PTHREAD_RWLOCK_CLOCKLOCK defined without
_GLIBCXX_USE_PTHREAD_RWLOCK_T, so the requirement that the clock be the
same as condition_variable is maintained. Calls explicitly using
system_clock (aka high_resolution_clock) continue to use CLOCK_REALTIME
via the old pthread_rwlock_timedrdlock and pthread_rwlock_timedwrlock
functions.

If the new functions are not available then system_clock is deemed to be
the "best" clock available which means that the previous suboptimal
behaviour remains.

Additionally, the user-defined clock used with
shared_timed_mutex::try_lock_for and shared_mutex::try_lock_shared_for
may have higher precision than __clock_t. We may need to round the
duration up to ensure that the timeout is long enough. (See
__timed_mutex_impl::_M_try_lock_for)

2019-12-02  Mike Crowe  <mac@mcrowe.com>

	Add full steady_clock support to shared_timed_mutex
	* acinclude.m4 (GLIBCXX_CHECK_PTHREAD_RWLOCK_CLOCKLOCK): Define
	to check for the presence of both pthread_rwlock_clockrdlock and
	pthread_rwlock_clockwrlock.
	* config.h.in: Regenerate.
	* configure.ac: Call GLIBCXX_USE_PTHREAD_RWLOCK_CLOCKLOCK.
	* configure: Regenerate.
	* include/std/shared_mutex (shared_timed_mutex): Define __clock_t as
	the best clock to use for relative waits.
	(shared_timed_mutex::try_lock_for) Round up wait duration if necessary.
	(shared_timed_mutex::try_lock_shared_for): Likewise.
	(shared_timed_mutex::try_lock_until): Use existing try_lock_until
	implementation for system_clock (which matches __clock_t when
	_GLIBCCXX_USE_PTHREAD_RWLOCK_CLOCKLOCK is not defined). Add new
	overload for steady_clock that uses pthread_rwlock_clockwrlock if it
	is available. Simplify overload for non-standard clock to just call
	try_lock_for with a relative timeout.
	(shared_timed_mutex::try_lock_shared_until): Likewise.

From-SVN: r278903
2019-12-02 16:23:10 +00:00

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/* config.h.in. Generated from configure.ac by autoheader. */
/* Define to 1 if you have the `acosf' function. */
#undef HAVE_ACOSF
/* Define to 1 if you have the `acosl' function. */
#undef HAVE_ACOSL
/* Define to 1 if you have the `aligned_alloc' function. */
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/* Define to 1 if you have the <arpa/inet.h> header file. */
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/* Define to 1 if you have the `asinf' function. */
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/* Define to 1 if you have the `asinl' function. */
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/* Define to 1 if the target assembler supports .symver directive. */
#undef HAVE_AS_SYMVER_DIRECTIVE
/* Define to 1 if you have the `atan2f' function. */
#undef HAVE_ATAN2F
/* Define to 1 if you have the `atan2l' function. */
#undef HAVE_ATAN2L
/* Define to 1 if you have the `atanf' function. */
#undef HAVE_ATANF
/* Define to 1 if you have the `atanl' function. */
#undef HAVE_ATANL
/* Defined if shared_ptr reference counting should use atomic operations. */
#undef HAVE_ATOMIC_LOCK_POLICY
/* Define to 1 if you have the `at_quick_exit' function. */
#undef HAVE_AT_QUICK_EXIT
/* Define to 1 if the target assembler supports thread-local storage. */
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/* Define to 1 if you have the `ceilf' function. */
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/* Define to 1 if you have the `ceill' function. */
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/* Define to 1 if you have the <complex.h> header file. */
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/* Define to 1 if you have the `cosf' function. */
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/* Define to 1 if you have the `coshf' function. */
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/* Define to 1 if you have the `coshl' function. */
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/* Define to 1 if you have the `cosl' function. */
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/* Define to 1 if you have the <dirent.h> header file. */
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/* Define if ENOTRECOVERABLE exists. */
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/* Define if <math.h> defines obsolete isnan function. */
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/* Define to 1 if you have the <poll.h> header file. */
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/* Define to 1 if you have the `posix_memalign' function. */
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/* Define to 1 if you have the `powf' function. */
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/* Define to 1 if you have the `powl' function. */
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/* Define to 1 if you have the `qfpclass' function. */
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/* Define to 1 if you have the `quick_exit' function. */
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/* Define if readlink is available in <unistd.h>. */
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/* Define to 1 if you have the `setenv' function. */
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/* Define to 1 if you have the `sincos' function. */
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/* Define to 1 if you have the `sincosf' function. */
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/* Define to 1 if you have the `sincosl' function. */
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/* Define to 1 if you have the `sinf' function. */
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/* Define to 1 if you have the `sinhf' function. */
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/* Define to 1 if you have the `sinhl' function. */
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/* Define to 1 if you have the `sinl' function. */
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/* Defined if sleep exists. */
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/* Define to 1 if you have the `sockatmark' function. */
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/* Define to 1 if you have the `sqrtf' function. */
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/* Define to 1 if you have the `sqrtl' function. */
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/* Define if strerror_r is available in <string.h>. */
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/* Define to 1 if you have the <string.h> header file. */
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/* Define to 1 if you have the `strtof' function. */
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/* Define to 1 if you have the `strtold' function. */
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/* Define if strxfrm_l is available in <string.h>. */
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/* Define if symlink is available in <unistd.h>. */
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/* Define to 1 if the target runtime linker supports binding the same symbol
to different versions. */
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/* Define to 1 if you have the <sys/ipc.h> header file. */
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/* Define to 1 if you have the <sys/isa_defs.h> header file. */
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/* Define to 1 if you have the <sys/machine.h> header file. */
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/* Define to 1 if you have the <sys/resource.h> header file. */
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/* Define to 1 if you have the <sys/socket.h> header file. */
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/* Define to 1 if you have the <sys/statvfs.h> header file. */
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/* Define to 1 if you have the `_ceill' function. */
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/* Define to 1 if you have the `_cosf' function. */
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/* Define to 1 if you have the `_coshf' function. */
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/* Define to 1 if you have the `_fmodf' function. */
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/* Define to 1 if you have the `_fmodl' function. */
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/* Define to 1 if you have the `_fpclass' function. */
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/* Define to 1 if you have the `_frexpf' function. */
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/* Define to 1 if you have the `_frexpl' function. */
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/* Define to 1 if you have the `_hypotf' function. */
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/* Define to 1 if you have the `_hypotl' function. */
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/* Define to 1 if you have the `_isinf' function. */
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/* Define to 1 if you have the `_modff' function. */
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/* Define to 1 if you have the `_modfl' function. */
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/* Define to 1 if you have the `_powl' function. */
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/* Define to 1 if you have the `_qfpclass' function. */
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/* Define to 1 if you have the `_sincosf' function. */
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/* Define to 1 if you have the `_sincosl' function. */
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/* Define to 1 if you have the `_sinf' function. */
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/* Define to 1 if you have the `_sinhf' function. */
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/* Define to 1 if you have the `_sinhl' function. */
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/* Define to 1 if you have the `_sinl' function. */
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/* Define to 1 if you have the `_sqrtf' function. */
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/* Define to 1 if you have the `_sqrtl' function. */
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/* Define to 1 if you have the `_tanf' function. */
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/* Define to 1 if you have the `_tanhf' function. */
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/* Define to 1 if you have the `_tanhl' function. */
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/* Define to 1 if you have the `_tanl' function. */
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#undef SIZEOF_CHAR
/* The size of `int', as computed by sizeof. */
#undef SIZEOF_INT
/* The size of `long', as computed by sizeof. */
#undef SIZEOF_LONG
/* The size of `short', as computed by sizeof. */
#undef SIZEOF_SHORT
/* The size of `void *', as computed by sizeof. */
#undef SIZEOF_VOID_P
/* Define to 1 if you have the ANSI C header files. */
#undef STDC_HEADERS
/* Version number of package */
#undef VERSION
/* Enable large inode numbers on Mac OS X 10.5. */
#ifndef _DARWIN_USE_64_BIT_INODE
# define _DARWIN_USE_64_BIT_INODE 1
#endif
/* Number of bits in a file offset, on hosts where this is settable. */
#undef _FILE_OFFSET_BITS
/* Define if C99 functions in <complex.h> should be used in <complex> for
C++11. Using compiler builtins for these functions requires corresponding
C99 library functions to be present. */
#undef _GLIBCXX11_USE_C99_COMPLEX
/* Define if C99 functions or macros in <math.h> should be imported in <cmath>
in namespace std for C++11. */
#undef _GLIBCXX11_USE_C99_MATH
/* Define if C99 functions or macros in <stdio.h> should be imported in
<cstdio> in namespace std for C++11. */
#undef _GLIBCXX11_USE_C99_STDIO
/* Define if C99 functions or macros in <stdlib.h> should be imported in
<cstdlib> in namespace std for C++11. */
#undef _GLIBCXX11_USE_C99_STDLIB
/* Define if C99 functions or macros in <wchar.h> should be imported in
<cwchar> in namespace std for C++11. */
#undef _GLIBCXX11_USE_C99_WCHAR
/* Define if C99 functions in <complex.h> should be used in <complex> for
C++98. Using compiler builtins for these functions requires corresponding
C99 library functions to be present. */
#undef _GLIBCXX98_USE_C99_COMPLEX
/* Define if C99 functions or macros in <math.h> should be imported in <cmath>
in namespace std for C++98. */
#undef _GLIBCXX98_USE_C99_MATH
/* Define if C99 functions or macros in <stdio.h> should be imported in
<cstdio> in namespace std for C++98. */
#undef _GLIBCXX98_USE_C99_STDIO
/* Define if C99 functions or macros in <stdlib.h> should be imported in
<cstdlib> in namespace std for C++98. */
#undef _GLIBCXX98_USE_C99_STDLIB
/* Define if C99 functions or macros in <wchar.h> should be imported in
<cwchar> in namespace std for C++98. */
#undef _GLIBCXX98_USE_C99_WCHAR
/* Define if the compiler supports C++11 atomics. */
#undef _GLIBCXX_ATOMIC_BUILTINS
/* Define to use concept checking code from the boost libraries. */
#undef _GLIBCXX_CONCEPT_CHECKS
/* Define to 1 if a fully dynamic basic_string is wanted, 0 to disable,
undefined for platform defaults */
#undef _GLIBCXX_FULLY_DYNAMIC_STRING
/* Define if gthreads library is available. */
#undef _GLIBCXX_HAS_GTHREADS
/* Define to 1 if a full hosted library is built, or 0 if freestanding. */
#undef _GLIBCXX_HOSTED
/* Define if compatibility should be provided for -mlong-double-64. */
#undef _GLIBCXX_LONG_DOUBLE_COMPAT
/* Define to the letter to which size_t is mangled. */
#undef _GLIBCXX_MANGLE_SIZE_T
/* Define if C99 llrint and llround functions are missing from <math.h>. */
#undef _GLIBCXX_NO_C99_ROUNDING_FUNCS
/* Define if ptrdiff_t is int. */
#undef _GLIBCXX_PTRDIFF_T_IS_INT
/* Define if using setrlimit to set resource limits during "make check" */
#undef _GLIBCXX_RES_LIMITS
/* Define if size_t is unsigned int. */
#undef _GLIBCXX_SIZE_T_IS_UINT
/* Define to the value of the EOF integer constant. */
#undef _GLIBCXX_STDIO_EOF
/* Define to the value of the SEEK_CUR integer constant. */
#undef _GLIBCXX_STDIO_SEEK_CUR
/* Define to the value of the SEEK_END integer constant. */
#undef _GLIBCXX_STDIO_SEEK_END
/* Define to use symbol versioning in the shared library. */
#undef _GLIBCXX_SYMVER
/* Define to use darwin versioning in the shared library. */
#undef _GLIBCXX_SYMVER_DARWIN
/* Define to use GNU versioning in the shared library. */
#undef _GLIBCXX_SYMVER_GNU
/* Define to use GNU namespace versioning in the shared library. */
#undef _GLIBCXX_SYMVER_GNU_NAMESPACE
/* Define to use Sun versioning in the shared library. */
#undef _GLIBCXX_SYMVER_SUN
/* Define if C11 functions in <uchar.h> should be imported into namespace std
in <cuchar>. */
#undef _GLIBCXX_USE_C11_UCHAR_CXX11
/* Define if C99 functions or macros from <wchar.h>, <math.h>, <complex.h>,
<stdio.h>, and <stdlib.h> can be used or exposed. */
#undef _GLIBCXX_USE_C99
/* Define if C99 functions in <complex.h> should be used in <tr1/complex>.
Using compiler builtins for these functions requires corresponding C99
library functions to be present. */
#undef _GLIBCXX_USE_C99_COMPLEX_TR1
/* Define if C99 functions in <ctype.h> should be imported in <tr1/cctype> in
namespace std::tr1. */
#undef _GLIBCXX_USE_C99_CTYPE_TR1
/* Define if C99 functions in <fenv.h> should be imported in <tr1/cfenv> in
namespace std::tr1. */
#undef _GLIBCXX_USE_C99_FENV_TR1
/* Define if C99 functions in <inttypes.h> should be imported in
<tr1/cinttypes> in namespace std::tr1. */
#undef _GLIBCXX_USE_C99_INTTYPES_TR1
/* Define if wchar_t C99 functions in <inttypes.h> should be imported in
<tr1/cinttypes> in namespace std::tr1. */
#undef _GLIBCXX_USE_C99_INTTYPES_WCHAR_T_TR1
/* Define if C99 functions or macros in <math.h> should be imported in
<tr1/cmath> in namespace std::tr1. */
#undef _GLIBCXX_USE_C99_MATH_TR1
/* Define if C99 types in <stdint.h> should be imported in <tr1/cstdint> in
namespace std::tr1. */
#undef _GLIBCXX_USE_C99_STDINT_TR1
/* Defined if clock_gettime syscall has monotonic and realtime clock support.
*/
#undef _GLIBCXX_USE_CLOCK_GETTIME_SYSCALL
/* Defined if clock_gettime has monotonic clock support. */
#undef _GLIBCXX_USE_CLOCK_MONOTONIC
/* Defined if clock_gettime has realtime clock support. */
#undef _GLIBCXX_USE_CLOCK_REALTIME
/* Define if ISO/IEC TR 24733 decimal floating point types are supported on
this host. */
#undef _GLIBCXX_USE_DECIMAL_FLOAT
/* Define if /dev/random and /dev/urandom are available for
std::random_device. */
#undef _GLIBCXX_USE_DEV_RANDOM
/* Define if fchmod is available in <sys/stat.h>. */
#undef _GLIBCXX_USE_FCHMOD
/* Define if fchmodat is available in <sys/stat.h>. */
#undef _GLIBCXX_USE_FCHMODAT
/* Defined if gettimeofday is available. */
#undef _GLIBCXX_USE_GETTIMEOFDAY
/* Define if get_nprocs is available in <sys/sysinfo.h>. */
#undef _GLIBCXX_USE_GET_NPROCS
/* Define if __int128 is supported on this host. */
#undef _GLIBCXX_USE_INT128
/* Define if LFS support is available. */
#undef _GLIBCXX_USE_LFS
/* Define if code specialized for long long should be used. */
#undef _GLIBCXX_USE_LONG_LONG
/* Define if lstat is available in <sys/stat.h>. */
#undef _GLIBCXX_USE_LSTAT
/* Defined if nanosleep is available. */
#undef _GLIBCXX_USE_NANOSLEEP
/* Define if NLS translations are to be used. */
#undef _GLIBCXX_USE_NLS
/* Define if pthreads_num_processors_np is available in <pthread.h>. */
#undef _GLIBCXX_USE_PTHREADS_NUM_PROCESSORS_NP
/* Define if pthread_cond_clockwait is available in <pthread.h>. */
#undef _GLIBCXX_USE_PTHREAD_COND_CLOCKWAIT
/* Define if pthread_mutex_clocklock is available in <pthread.h>. */
#undef _GLIBCXX_USE_PTHREAD_MUTEX_CLOCKLOCK
/* Define if pthread_rwlock_clockrdlock and pthread_rwlock_clockwrlock are
available in <pthread.h>. */
#undef _GLIBCXX_USE_PTHREAD_RWLOCK_CLOCKLOCK
/* Define if POSIX read/write locks are available in <gthr.h>. */
#undef _GLIBCXX_USE_PTHREAD_RWLOCK_T
/* Define if /dev/random and /dev/urandom are available for the random_device
of TR1 (Chapter 5.1). */
#undef _GLIBCXX_USE_RANDOM_TR1
/* Define if usable realpath is available in <stdlib.h>. */
#undef _GLIBCXX_USE_REALPATH
/* Defined if sched_yield is available. */
#undef _GLIBCXX_USE_SCHED_YIELD
/* Define if _SC_NPROCESSORS_ONLN is available in <unistd.h>. */
#undef _GLIBCXX_USE_SC_NPROCESSORS_ONLN
/* Define if _SC_NPROC_ONLN is available in <unistd.h>. */
#undef _GLIBCXX_USE_SC_NPROC_ONLN
/* Define if sendfile is available in <sys/sendfile.h>. */
#undef _GLIBCXX_USE_SENDFILE
/* Define if struct stat has timespec members. */
#undef _GLIBCXX_USE_ST_MTIM
/* Define if sysctl(), CTL_HW and HW_NCPU are available in <sys/sysctl.h>. */
#undef _GLIBCXX_USE_SYSCTL_HW_NCPU
/* Define if obsolescent tmpnam is available in <stdio.h>. */
#undef _GLIBCXX_USE_TMPNAM
/* Define if utime is available in <utime.h>. */
#undef _GLIBCXX_USE_UTIME
/* Define if utimensat and UTIME_OMIT are available in <sys/stat.h> and
AT_FDCWD in <fcntl.h>. */
#undef _GLIBCXX_USE_UTIMENSAT
/* Define if code specialized for wchar_t should be used. */
#undef _GLIBCXX_USE_WCHAR_T
/* Define to 1 if a verbose library is built, or 0 otherwise. */
#undef _GLIBCXX_VERBOSE
/* Defined if as can handle rdrand. */
#undef _GLIBCXX_X86_RDRAND
/* Defined if as can handle rdseed. */
#undef _GLIBCXX_X86_RDSEED
/* Define to 1 if mutex_timedlock is available. */
#undef _GTHREAD_USE_MUTEX_TIMEDLOCK
/* Define for large files, on AIX-style hosts. */
#undef _LARGE_FILES
/* Define if all C++11 floating point overloads are available in <math.h>. */
#if __cplusplus >= 201103L
#undef __CORRECT_ISO_CPP11_MATH_H_PROTO_FP
#endif
/* Define if all C++11 integral type overloads are available in <math.h>. */
#if __cplusplus >= 201103L
#undef __CORRECT_ISO_CPP11_MATH_H_PROTO_INT
#endif
#if defined (HAVE__ACOSF) && ! defined (HAVE_ACOSF)
# define HAVE_ACOSF 1
# define acosf _acosf
#endif
#if defined (HAVE__ACOSL) && ! defined (HAVE_ACOSL)
# define HAVE_ACOSL 1
# define acosl _acosl
#endif
#if defined (HAVE__ASINF) && ! defined (HAVE_ASINF)
# define HAVE_ASINF 1
# define asinf _asinf
#endif
#if defined (HAVE__ASINL) && ! defined (HAVE_ASINL)
# define HAVE_ASINL 1
# define asinl _asinl
#endif
#if defined (HAVE__ATAN2F) && ! defined (HAVE_ATAN2F)
# define HAVE_ATAN2F 1
# define atan2f _atan2f
#endif
#if defined (HAVE__ATAN2L) && ! defined (HAVE_ATAN2L)
# define HAVE_ATAN2L 1
# define atan2l _atan2l
#endif
#if defined (HAVE__ATANF) && ! defined (HAVE_ATANF)
# define HAVE_ATANF 1
# define atanf _atanf
#endif
#if defined (HAVE__ATANL) && ! defined (HAVE_ATANL)
# define HAVE_ATANL 1
# define atanl _atanl
#endif
#if defined (HAVE__CEILF) && ! defined (HAVE_CEILF)
# define HAVE_CEILF 1
# define ceilf _ceilf
#endif
#if defined (HAVE__CEILL) && ! defined (HAVE_CEILL)
# define HAVE_CEILL 1
# define ceill _ceill
#endif
#if defined (HAVE__COSF) && ! defined (HAVE_COSF)
# define HAVE_COSF 1
# define cosf _cosf
#endif
#if defined (HAVE__COSHF) && ! defined (HAVE_COSHF)
# define HAVE_COSHF 1
# define coshf _coshf
#endif
#if defined (HAVE__COSHL) && ! defined (HAVE_COSHL)
# define HAVE_COSHL 1
# define coshl _coshl
#endif
#if defined (HAVE__COSL) && ! defined (HAVE_COSL)
# define HAVE_COSL 1
# define cosl _cosl
#endif
#if defined (HAVE__EXPF) && ! defined (HAVE_EXPF)
# define HAVE_EXPF 1
# define expf _expf
#endif
#if defined (HAVE__EXPL) && ! defined (HAVE_EXPL)
# define HAVE_EXPL 1
# define expl _expl
#endif
#if defined (HAVE__FABSF) && ! defined (HAVE_FABSF)
# define HAVE_FABSF 1
# define fabsf _fabsf
#endif
#if defined (HAVE__FABSL) && ! defined (HAVE_FABSL)
# define HAVE_FABSL 1
# define fabsl _fabsl
#endif
#if defined (HAVE__FINITE) && ! defined (HAVE_FINITE)
# define HAVE_FINITE 1
# define finite _finite
#endif
#if defined (HAVE__FINITEF) && ! defined (HAVE_FINITEF)
# define HAVE_FINITEF 1
# define finitef _finitef
#endif
#if defined (HAVE__FINITEL) && ! defined (HAVE_FINITEL)
# define HAVE_FINITEL 1
# define finitel _finitel
#endif
#if defined (HAVE__FLOORF) && ! defined (HAVE_FLOORF)
# define HAVE_FLOORF 1
# define floorf _floorf
#endif
#if defined (HAVE__FLOORL) && ! defined (HAVE_FLOORL)
# define HAVE_FLOORL 1
# define floorl _floorl
#endif
#if defined (HAVE__FMODF) && ! defined (HAVE_FMODF)
# define HAVE_FMODF 1
# define fmodf _fmodf
#endif
#if defined (HAVE__FMODL) && ! defined (HAVE_FMODL)
# define HAVE_FMODL 1
# define fmodl _fmodl
#endif
#if defined (HAVE__FPCLASS) && ! defined (HAVE_FPCLASS)
# define HAVE_FPCLASS 1
# define fpclass _fpclass
#endif
#if defined (HAVE__FREXPF) && ! defined (HAVE_FREXPF)
# define HAVE_FREXPF 1
# define frexpf _frexpf
#endif
#if defined (HAVE__FREXPL) && ! defined (HAVE_FREXPL)
# define HAVE_FREXPL 1
# define frexpl _frexpl
#endif
#if defined (HAVE__HYPOT) && ! defined (HAVE_HYPOT)
# define HAVE_HYPOT 1
# define hypot _hypot
#endif
#if defined (HAVE__HYPOTF) && ! defined (HAVE_HYPOTF)
# define HAVE_HYPOTF 1
# define hypotf _hypotf
#endif
#if defined (HAVE__HYPOTL) && ! defined (HAVE_HYPOTL)
# define HAVE_HYPOTL 1
# define hypotl _hypotl
#endif
#if defined (HAVE__ISINF) && ! defined (HAVE_ISINF)
# define HAVE_ISINF 1
# define isinf _isinf
#endif
#if defined (HAVE__ISINFF) && ! defined (HAVE_ISINFF)
# define HAVE_ISINFF 1
# define isinff _isinff
#endif
#if defined (HAVE__ISINFL) && ! defined (HAVE_ISINFL)
# define HAVE_ISINFL 1
# define isinfl _isinfl
#endif
#if defined (HAVE__ISNAN) && ! defined (HAVE_ISNAN)
# define HAVE_ISNAN 1
# define isnan _isnan
#endif
#if defined (HAVE__ISNANF) && ! defined (HAVE_ISNANF)
# define HAVE_ISNANF 1
# define isnanf _isnanf
#endif
#if defined (HAVE__ISNANL) && ! defined (HAVE_ISNANL)
# define HAVE_ISNANL 1
# define isnanl _isnanl
#endif
#if defined (HAVE__LDEXPF) && ! defined (HAVE_LDEXPF)
# define HAVE_LDEXPF 1
# define ldexpf _ldexpf
#endif
#if defined (HAVE__LDEXPL) && ! defined (HAVE_LDEXPL)
# define HAVE_LDEXPL 1
# define ldexpl _ldexpl
#endif
#if defined (HAVE__LOG10F) && ! defined (HAVE_LOG10F)
# define HAVE_LOG10F 1
# define log10f _log10f
#endif
#if defined (HAVE__LOG10L) && ! defined (HAVE_LOG10L)
# define HAVE_LOG10L 1
# define log10l _log10l
#endif
#if defined (HAVE__LOGF) && ! defined (HAVE_LOGF)
# define HAVE_LOGF 1
# define logf _logf
#endif
#if defined (HAVE__LOGL) && ! defined (HAVE_LOGL)
# define HAVE_LOGL 1
# define logl _logl
#endif
#if defined (HAVE__MODF) && ! defined (HAVE_MODF)
# define HAVE_MODF 1
# define modf _modf
#endif
#if defined (HAVE__MODFF) && ! defined (HAVE_MODFF)
# define HAVE_MODFF 1
# define modff _modff
#endif
#if defined (HAVE__MODFL) && ! defined (HAVE_MODFL)
# define HAVE_MODFL 1
# define modfl _modfl
#endif
#if defined (HAVE__POWF) && ! defined (HAVE_POWF)
# define HAVE_POWF 1
# define powf _powf
#endif
#if defined (HAVE__POWL) && ! defined (HAVE_POWL)
# define HAVE_POWL 1
# define powl _powl
#endif
#if defined (HAVE__QFPCLASS) && ! defined (HAVE_QFPCLASS)
# define HAVE_QFPCLASS 1
# define qfpclass _qfpclass
#endif
#if defined (HAVE__SINCOS) && ! defined (HAVE_SINCOS)
# define HAVE_SINCOS 1
# define sincos _sincos
#endif
#if defined (HAVE__SINCOSF) && ! defined (HAVE_SINCOSF)
# define HAVE_SINCOSF 1
# define sincosf _sincosf
#endif
#if defined (HAVE__SINCOSL) && ! defined (HAVE_SINCOSL)
# define HAVE_SINCOSL 1
# define sincosl _sincosl
#endif
#if defined (HAVE__SINF) && ! defined (HAVE_SINF)
# define HAVE_SINF 1
# define sinf _sinf
#endif
#if defined (HAVE__SINHF) && ! defined (HAVE_SINHF)
# define HAVE_SINHF 1
# define sinhf _sinhf
#endif
#if defined (HAVE__SINHL) && ! defined (HAVE_SINHL)
# define HAVE_SINHL 1
# define sinhl _sinhl
#endif
#if defined (HAVE__SINL) && ! defined (HAVE_SINL)
# define HAVE_SINL 1
# define sinl _sinl
#endif
#if defined (HAVE__SQRTF) && ! defined (HAVE_SQRTF)
# define HAVE_SQRTF 1
# define sqrtf _sqrtf
#endif
#if defined (HAVE__SQRTL) && ! defined (HAVE_SQRTL)
# define HAVE_SQRTL 1
# define sqrtl _sqrtl
#endif
#if defined (HAVE__STRTOF) && ! defined (HAVE_STRTOF)
# define HAVE_STRTOF 1
# define strtof _strtof
#endif
#if defined (HAVE__STRTOLD) && ! defined (HAVE_STRTOLD)
# define HAVE_STRTOLD 1
# define strtold _strtold
#endif
#if defined (HAVE__TANF) && ! defined (HAVE_TANF)
# define HAVE_TANF 1
# define tanf _tanf
#endif
#if defined (HAVE__TANHF) && ! defined (HAVE_TANHF)
# define HAVE_TANHF 1
# define tanhf _tanhf
#endif
#if defined (HAVE__TANHL) && ! defined (HAVE_TANHL)
# define HAVE_TANHL 1
# define tanhl _tanhl
#endif
#if defined (HAVE__TANL) && ! defined (HAVE_TANL)
# define HAVE_TANL 1
# define tanl _tanl
#endif
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