diff --git a/libs/main/io_devices/pidir.cpp b/libs/main/io_devices/pidir.cpp
index d554dddf..96814a63 100644
--- a/libs/main/io_devices/pidir.cpp
+++ b/libs/main/io_devices/pidir.cpp
@@ -23,7 +23,7 @@
 
 
 const PIChar PIDir::separator = '/';
-#  ifdef QNX
+#  if defined(QNX) || !(defined(MAC_OS) || defined(__GLIBC__) || defined(_WIN32))
 #	define _stat_struct_ struct stat
 #	define _stat_call_   stat
 #	define _stat_link_   lstat
diff --git a/libs/main/io_devices/pifile.cpp b/libs/main/io_devices/pifile.cpp
index 43739826..cebd11c1 100644
--- a/libs/main/io_devices/pifile.cpp
+++ b/libs/main/io_devices/pifile.cpp
@@ -59,7 +59,7 @@
 #	  define _fseek_call_ fseek
 #	  define _ftell_call_ ftell
 #	else
-#	  ifdef CC_GCC
+#	  if defined(CC_GCC) && (defined(__GLIBC__) || defined(_WIN32))
 #		define _fopen_call_ fopen64
 #		define _fseek_call_ fseeko64
 #		define _ftell_call_ ftello64
@@ -69,9 +69,15 @@
 #		define _ftell_call_ ftell
 #	  endif
 #	endif
-#	define _stat_struct_ struct stat64
-#	define _stat_call_   stat64
-#	define _stat_link_   lstat64
+#	if defined(MAC_OS) || defined(__GLIBC__) || defined(_WIN32)
+#	  define _stat_struct_ struct stat64
+#	  define _stat_call_   stat64
+#	  define _stat_link_   lstat64
+#	else
+#	  define _stat_struct_ struct stat
+#	  define _stat_call_   stat
+#	  define _stat_link_   lstat
+#	endif
 #  endif
 
 
diff --git a/libs/main/math/pimathbase.h b/libs/main/math/pimathbase.h
index 9aeb126e..b1ffd6e5 100644
--- a/libs/main/math/pimathbase.h
+++ b/libs/main/math/pimathbase.h
@@ -160,9 +160,11 @@ inline int     pow2 (const int p      ) {return 1 << p;}
 //! \~russian Возвращает `10` в указанной степени.
 inline float   pow10(const float &   e) {return powf(10.f, e);}
 
+#if !defined(__linux__) || defined(__GLIBC__) || defined(__BIONIC__)
 //! \~english Returns `10` raised to the specified power.
 //! \~russian Возвращает `10` в указанной степени.
 inline double  pow10(const double &  e) {return pow (10. , e);}
+#endif
 
 //! \~english Returns `10` raised to the specified power.
 //! \~russian Возвращает `10` в указанной степени.
diff --git a/libs/main/thread/pithread.cpp b/libs/main/thread/pithread.cpp
index b167d834..57b8a3c6 100644
--- a/libs/main/thread/pithread.cpp
+++ b/libs/main/thread/pithread.cpp
@@ -785,10 +785,10 @@ void PIThread::setPriority(PIThread::Priority prior) {
 	piZeroMemory(PRIVATE->sparam);
 	pthread_getschedparam(PRIVATE->thread, &policy_, &(PRIVATE->sparam));
 	PRIVATE->sparam.
-#	  ifndef LINUX
-		sched_priority
-#	  else
+#	  if defined(LINUX) && defined(__GLIBC__)
 		__sched_priority
+#	  else
+		sched_priority
 #	  endif
 		= priority2System(priority_);
 	pthread_setschedparam(PRIVATE->thread, policy_, &(PRIVATE->sparam));
@@ -1054,7 +1054,7 @@ void PIThread::setThreadName() {
 	pthread_setname_np((const char *)name_ba.data());
 	pthread_threadid_np(PRIVATE->thread, (__uint64_t *)&tid_);
 #	else
-	pthread_setname_np(PRIVATE->thread, (const char *)name_ba.data());
+	pthread_setname_np(pthread_self(), (const char *)name_ba.data());
 #	endif
 #  endif
 }