From 0bd335f9b07d75f644594fac3c00e4de6372adce Mon Sep 17 00:00:00 2001
From: Colin Cross <ccross@android.com>
Date: Fri, 8 Sep 2017 14:41:22 -0700
Subject: [PATCH] Make -ldl -lrt -lpthread implicit for host builds

Instead of requiring every host module to specify -ldl -lrt -lpthread
and then break the mac build because -lrt doesn't exist, make them
implicit to match the behavior of modules built for the device.

Test: m -j checkbuild
Change-Id: I7b5b5289a41cd8f6e7dc2da59400955d867ee783
---
 core/binary.mk | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/core/binary.mk b/core/binary.mk
index d8fda78e5..6a58c6c6c 100644
--- a/core/binary.mk
+++ b/core/binary.mk
@@ -290,6 +290,15 @@ my_ldlib_flags :=
 # Move other ldlibs back to shared libraries
 my_shared_libraries += $(patsubst -l%,lib%,$(filter-out $(my_allowed_ldlibs),$(my_ldlibs)))
 my_ldlibs := $(filter $(my_allowed_ldlibs),$(my_ldlibs))
+else # LOCAL_IS_HOST_MODULE
+  # Add -ldl, -lpthread and -lrt to host builds to match the default behavior of
+  # device builds
+  ifneq ($($(my_prefix)OS),windows)
+    my_ldlibs += -ldl -lpthread
+    ifneq ($(HOST_OS),darwin)
+      my_ldlibs += -lrt
+    endif
+  endif
 endif
 
 ifneq ($(LOCAL_SDK_VERSION),)