--- ./alsamixer/volume_mapping.c	2016-08-02 22:39:45.000000000 +0530
+++ ../volume_mapping.c	2016-12-03 23:15:26.390744307 +0530
@@ -37,7 +37,7 @@
 #include <stdbool.h>
 #include "volume_mapping.h"
 
-#ifdef __UCLIBC__
+#if defined(__UCLIBC__) || defined(__ANDROID__)
 /* 10^x = 10^(log e^x) = (e^x)^log10 = e^(x * log 10) */
 #define exp10(x) (exp((x) * log(10)))
 #endif /* __UCLIBC__ */