diff --git a/include/llvm/Config/config.h b/include/llvm/Config/config.h
index f1fe468..18a2bd6 100644
--- a/include/llvm/Config/config.h
+++ b/include/llvm/Config/config.h
@@ -23,7 +23,9 @@
 #endif
 
 /* Define to 1 if you have the `backtrace' function. */
+#if !defined(__ANDROID__)
 #define HAVE_BACKTRACE 1
+#endif
 
 /* Define to 1 if you have the <cxxabi.h> header file. */
 #define HAVE_CXXABI_H 1
@@ -53,7 +55,9 @@
 #define HAVE_ERRNO_H 1
 
 /* Define to 1 if you have the <execinfo.h> header file. */
+#if !defined(__ANDROID__)
 #define HAVE_EXECINFO_H 1
+#endif
 
 /* Define to 1 if you have the <fcntl.h> header file. */
 #define HAVE_FCNTL_H 1
@@ -62,7 +66,11 @@
 #define HAVE_FUTIMES 1
 
 /* Define to 1 if you have the `futimens' function */
+#if defined(__ANDROID__)
+#define HAVE_FUTIMENS 1
+#else
 /* #undef HAVE_FUTIMENS */
+#endif
 
 /* Define to 1 if you have the `getpagesize' function. */
 #define HAVE_GETPAGESIZE 1