diff -r 9266b55758bb -r 7ec78a34de32 boost/config/posix_features.hpp
--- a/boost/config/posix_features.hpp	Wed Feb 11 16:10:10 2015 +0100
+++ b/boost/config/posix_features.hpp	Mon Feb 16 16:36:40 2015 +0100
@@ -77,7 +77,7 @@
       // Likewise for the functions log1p and expm1.
 #     if defined(_XOPEN_VERSION) && (_XOPEN_VERSION+0 >= 500)
 #        define BOOST_HAS_GETTIMEOFDAY
-#        if defined(_XOPEN_SOURCE) && (_XOPEN_SOURCE+0 >= 500)
+#        if (defined(_XOPEN_SOURCE) && (_XOPEN_SOURCE+0 >= 500)) || defined(__ANDROID__)
 #           define BOOST_HAS_PTHREAD_MUTEXATTR_SETTYPE
 #        endif
 #        ifndef BOOST_HAS_LOG1P
diff -r 9266b55758bb -r 7ec78a34de32 boost/thread/pthread/mutex.hpp
--- a/boost/thread/pthread/mutex.hpp	Wed Feb 11 16:10:10 2015 +0100
+++ b/boost/thread/pthread/mutex.hpp	Mon Feb 16 16:36:40 2015 +0100
@@ -26,8 +26,7 @@
 #endif
 #include <boost/thread/detail/delete.hpp>
 
-#ifdef _POSIX_TIMEOUTS
-#if _POSIX_TIMEOUTS >= 0 && _POSIX_TIMEOUTS>=200112L
+#if (defined(_POSIX_TIMEOUTS) && _POSIX_TIMEOUTS >= 0 && _POSIX_TIMEOUTS>=200112L) \
+  || (defined(__ANDROID__) && __ANDROID_API__ >= 21)
 #ifndef BOOST_PTHREAD_HAS_TIMEDLOCK
 #define BOOST_PTHREAD_HAS_TIMEDLOCK
 #endif
 #endif
-#endif
 
 
 #include <boost/config/abi_prefix.hpp>
diff -r 9266b55758bb -r 7ec78a34de32 boost/thread/pthread/recursive_mutex.hpp
--- a/boost/thread/pthread/recursive_mutex.hpp	Wed Feb 11 16:10:10 2015 +0100
+++ b/boost/thread/pthread/recursive_mutex.hpp	Mon Feb 16 16:36:40 2015 +0100
@@ -27,15 +27,16 @@
 #endif
 #include <boost/thread/detail/delete.hpp>
 
-#ifdef _POSIX_TIMEOUTS
-#if _POSIX_TIMEOUTS >= 0 && _POSIX_TIMEOUTS>=200112L
+#if (defined(_POSIX_TIMEOUTS) && _POSIX_TIMEOUTS >= 0 && _POSIX_TIMEOUTS>=200112L) \
+  || (defined(__ANDROID__) && __ANDROID_API__ >= 21)
 #ifndef BOOST_PTHREAD_HAS_TIMEDLOCK
 #define BOOST_PTHREAD_HAS_TIMEDLOCK
 #endif
 #endif
-#endif