From e76fee59fcc53934f5690466dd1cd3b847ec3836 Mon Sep 17 00:00:00 2001
From: Ben Cheng <bccheng@android.com>
Date: Fri, 18 Apr 2014 18:34:35 +0000
Subject: [PATCH] Revert "Use aarch64-linux-android-4.9 for arm64 build
 (attempt #3)"

This reverts commit 084a7f83875d030c2e4819bed386c4a16168e731.

GCC 4.9 still has stability issues (b/14160872)

Change-Id: I4d40829dbbfac0e7b6cd7eaf9924744bc5714271
---
 core/combo/TARGET_linux-arm64.mk | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/core/combo/TARGET_linux-arm64.mk b/core/combo/TARGET_linux-arm64.mk
index 7860f4dcf2..6bb3754fc6 100644
--- a/core/combo/TARGET_linux-arm64.mk
+++ b/core/combo/TARGET_linux-arm64.mk
@@ -38,7 +38,7 @@ endif
 TARGET_NDK_GCC_VERSION := 4.8
 
 ifeq ($(strip $(TARGET_GCC_VERSION_EXP)),)
-TARGET_GCC_VERSION := 4.9
+TARGET_GCC_VERSION := 4.8
 else
 TARGET_GCC_VERSION := $(TARGET_GCC_VERSION_EXP)
 endif
@@ -73,9 +73,13 @@ TARGET_GLOBAL_CFLAGS += \
 
 android_config_h := $(call select-android-config-h,linux-arm64)
 
+# HACK: globally disable -fstack-protector until the toolchain supports it
+TARGET_GLOBAL_UNSUPPORTED_CFLAGS := \
+    -fstack-protector \
+    -fstack-protector-all \
+
 TARGET_GLOBAL_CFLAGS += \
 			-fpic -fPIE \
-			-fstack-protector \
 			-ffunction-sections \
 			-fdata-sections \
 			-funwind-tables \
@@ -159,7 +163,6 @@ TARGET_CUSTOM_LD_COMMAND := true
 define transform-o-to-shared-lib-inner
 $(hide) $(PRIVATE_CXX) \
 	-nostdlib -Wl,-soname,$(notdir $@) \
-	-Wl,--gc-sections \
 	-Wl,-shared,-Bsymbolic \
 	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
 	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_SO_O)) \
@@ -183,7 +186,6 @@ endef
 define transform-o-to-executable-inner
 $(hide) $(PRIVATE_CXX) -nostdlib -Bdynamic -fPIE -pie \
 	-Wl,-dynamic-linker,/system/bin/linker64 \
-	-Wl,--gc-sections \
 	-Wl,-z,nocopyreloc \
 	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
 	-Wl,-rpath-link=$(PRIVATE_TARGET_OUT_INTERMEDIATE_LIBRARIES) \
@@ -207,7 +209,6 @@ endef
 
 define transform-o-to-static-executable-inner
 $(hide) $(PRIVATE_CXX) -nostdlib -Bstatic \
-	-Wl,--gc-sections \
 	-o $@ \
 	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
 	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_STATIC_O)) \