Subject: [PATCH 03/36] define exp10 if missing

Inspired by: http://peter.korsgaard.com/patches/alsa-utils/alsamixer-fix-build-on-uClibc-exp10.patch

exp10 extension is not part of uClibc, so compute it.

Upstream-Status: Pending

Signed-off-by: Samuel Martin <s.martin49@gmail.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

---
 src/basic/missing.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/basic/missing.h b/src/basic/missing.h
index 651e414..fafa233 100644
--- a/src/basic/missing.h
+++ b/src/basic/missing.h
@@ -1013,4 +1013,9 @@ typedef int32_t key_serial_t;
 
 #endif
 
+#ifdef __UCLIBC__
+/* 10^x = 10^(log e^x) = (e^x)^log10 = e^(x * log 10) */
+#define exp10(x) (exp((x) * log(10)))
+#endif /* __UCLIBC__ */
+
 #include "missing_syscall.h"
-- 
2.8.3

