From fa6a920caa09e60e24acfad7ad8acdf30e8a7f14 Mon Sep 17 00:00:00 2001
From: Zhang Xianyi <xianyi@perfxlab.com>
Date: Wed, 5 Jul 2017 17:01:03 +0800
Subject: [PATCH] Link -lm or -lm_hard for Android ARMv7.

---
 Makefile.system | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Makefile.system b/Makefile.system
index 29d3efd53..bb55dd693 100644
--- a/Makefile.system
+++ b/Makefile.system
@@ -493,6 +493,14 @@ else
 CCOMMON_OPT += -mfloat-abi=hard
 FCOMMON_OPT += -mfloat-abi=hard
 endif
+
+ifeq ($(OSNAME), Android)
+ifeq ($(ARM_SOFTFP_ABI), 1)
+EXTRALIB	+= -lm
+else
+EXTRALIB	+= -Wl,-lm_hard
+endif
+endif
 endif
 
 ifeq ($(ARCH), arm64)