exp10 is a glibc extension, which isn't supported on uClibc. Luckily, exp10() is trivial to compute based on exp(), so add a wrapper for the uClibc case.
Signed-off-by: Peter Korsgaard jacmet@sunsite.dk --- alsamixer/volume_mapping.c | 5 +++++ 1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/alsamixer/volume_mapping.c b/alsamixer/volume_mapping.c index 9cacad8..1c0d7c4 100644 --- a/alsamixer/volume_mapping.c +++ b/alsamixer/volume_mapping.c @@ -37,6 +37,11 @@ #include <stdbool.h> #include "volume_mapping.h"
+#ifdef __UCLIBC__ +/* 10^x = 10^(log e^x) = (e^x)^log10 = e^(x * log 10) */ +#define exp10(x) (exp((x) * log(10))) +#endif /* __UCLIBC__ */ + #define MAX_LINEAR_DB_SCALE 24
static inline bool use_linear_dB_scale(long dBmin, long dBmax)