diff --git a/cmake/config-ix.cmake b/cmake/config-ix.cmake
index 9637363d38c..fcd5dd55667 100755
--- a/cmake/config-ix.cmake
+++ b/cmake/config-ix.cmake
@@ -85,9 +85,19 @@ check_include_file(mach-o/dyld.h HAVE_MACH_O_DYLD_H)
 # library checks
 if( NOT PURE_WINDOWS )
   check_library_exists(pthread pthread_create "" HAVE_LIBPTHREAD)
-  check_library_exists(pthread pthread_getspecific "" HAVE_PTHREAD_GETSPECIFIC)
-  check_library_exists(pthread pthread_rwlock_init "" HAVE_PTHREAD_RWLOCK_INIT)
-  check_library_exists(pthread pthread_mutex_lock "" HAVE_PTHREAD_MUTEX_LOCK)
+  if (HAVE_LIBPTHREAD)
+    check_library_exists(pthread pthread_getspecific "" HAVE_PTHREAD_GETSPECIFIC)
+    check_library_exists(pthread pthread_rwlock_init "" HAVE_PTHREAD_RWLOCK_INIT)
+    check_library_exists(pthread pthread_mutex_lock "" HAVE_PTHREAD_MUTEX_LOCK)
+  else()
+    # this could be Android
+    check_library_exists(c pthread_create "" PTHREAD_IN_LIBC)
+    if (PTHREAD_IN_LIBC)
+      check_library_exists(c pthread_getspecific "" HAVE_PTHREAD_GETSPECIFIC)
+      check_library_exists(c pthread_rwlock_init "" HAVE_PTHREAD_RWLOCK_INIT)
+      check_library_exists(c pthread_mutex_lock "" HAVE_PTHREAD_MUTEX_LOCK)
+    endif()
+  endif()
   check_library_exists(dl dlopen "" HAVE_LIBDL)
 endif()
 
diff --git a/lib/Support/DynamicLibrary.cpp b/lib/Support/DynamicLibrary.cpp
index fb02c07e4af..45fec361c1a 100644
--- a/lib/Support/DynamicLibrary.cpp
+++ b/lib/Support/DynamicLibrary.cpp
@@ -160,7 +160,7 @@ void* DynamicLibrary::SearchForAddressOfSymbol(const char *symbolName) {
 // On linux we have a weird situation. The stderr/out/in symbols are both
 // macros and global variables because of standards requirements. So, we
 // boldly use the EXPLICIT_SYMBOL macro without checking for a #define first.
-#if defined(__linux__)
+#if defined(__linux__) and !defined(__ANDROID__)
   {
     EXPLICIT_SYMBOL(stderr);
     EXPLICIT_SYMBOL(stdout);
diff --git a/lib/Support/LockFileManager.cpp b/lib/Support/LockFileManager.cpp
index 64404a1a8e7..59bfcfcd254 100644
--- a/lib/Support/LockFileManager.cpp
+++ b/lib/Support/LockFileManager.cpp
@@ -49,7 +49,7 @@ LockFileManager::readLockFile(StringRef LockFileName) {
 }
 
 bool LockFileManager::processStillExecuting(StringRef Hostname, int PID) {
-#if LLVM_ON_UNIX
+#if LLVM_ON_UNIX && !defined(__ANDROID__)
   char MyHostname[256];
   MyHostname[255] = 0;
   MyHostname[0] = 0;
diff --git a/utils/unittest/googletest/include/gtest/internal/gtest-port.h b/utils/unittest/googletest/include/gtest/internal/gtest-port.h
index 8ef5d7dd26a..58f6cafa75f 100644
--- a/utils/unittest/googletest/include/gtest/internal/gtest-port.h
+++ b/utils/unittest/googletest/include/gtest/internal/gtest-port.h
@@ -230,7 +230,7 @@
 # define GTEST_OS_MAC 1
 #elif defined __linux__
 # define GTEST_OS_LINUX 1
-# ifdef ANDROID
+# if defined(ANDROID) || defined(__ANDROID__)
 #  define GTEST_OS_LINUX_ANDROID 1
 # endif  // ANDROID
 #elif defined __MVS__