Enable gold linker for aarch64.

Switches default linker from -fuse-ld-bfd to
-fuse-ld=gold, and enables -Wl,--icf=safe. This
changes reduces /system/lib64/*.so text size
by about 2% for N9.

Change-Id: I0ef2483e1c47c34e63292dad6f6bf532359b733e

diff --git a/core/combo/TARGET_linux-arm64.mk b/core/combo/TARGET_linux-arm64.mk
index b213ea7..ce7f62e 100644 (file)
--- a/core/combo/TARGET_linux-arm64.mk
+++ b/core/combo/TARGET_linux-arm64.mk
@@ -110,6 +110,8 @@ TARGET_GLOBAL_LDFLAGS += \
                        -Wl,-maarch64linux \
                        -Wl,--hash-style=gnu \
                        -Wl,--fix-cortex-a53-843419 \
+                       -fuse-ld=gold \
+                       -Wl,--icf=safe \
                        $(arch_variant_ldflags)
 
 # Disable transitive dependency library symbol resolving.