1 files changed, 33 insertions, 0 deletions

diff --git a/meta/recipes-core/systemd/systemd/0001-define-exp10-if-missing.patch b/meta/recipes-core/systemd/systemd/0001-define-exp10-if-missing.patch
new file mode 100644
index 0000000000..8bb775ffa5
--- /dev/null
+++ b/meta/recipes-core/systemd/systemd/0001-define-exp10-if-missing.patch
@@ -0,0 +1,33 @@
+From ddad25c809846e08ea39bef49cc668f95d53304a Mon Sep 17 00:00:00 2001
+From: Khem Raj <raj.khem@gmail.com>
+Date: Mon, 14 Dec 2015 00:42:49 +0000
+Subject: [PATCH 01/16] 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 d539ed0..09a233b 100644
+--- a/src/basic/missing.h
++++ b/src/basic/missing.h
+@@ -1125,3 +1125,8 @@ static inline key_serial_t request_key(const char *type, const char *description
+ #ifndef KEY_SPEC_USER_KEYRING
+ #define KEY_SPEC_USER_KEYRING -4
+ #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__ */
+-- 
+2.6.4
+