Remove libcxx.mk cruft.

This is on by default now. No need to leave it in the makefiles.

Change-Id: I20eab7426da4bbbf8b70ffc5b9af7b97487d885d
diff --git a/build/Android.executable.mk b/build/Android.executable.mk
index ef9e7cd..4bb2cb1 100644
--- a/build/Android.executable.mk
+++ b/build/Android.executable.mk
@@ -129,7 +129,6 @@
     endif
   endif
 
-  include external/libcxx/libcxx.mk
   ifeq ($$(art_target_or_host),target)
     include $(BUILD_EXECUTABLE)
     ART_TARGET_EXECUTABLES := $(ART_TARGET_EXECUTABLES) $$(foreach name,$$(art_out_binary_name),$(TARGET_OUT_EXECUTABLES)/$$(name))
diff --git a/build/Android.gtest.mk b/build/Android.gtest.mk
index efb45c7..a5cfcba 100644
--- a/build/Android.gtest.mk
+++ b/build/Android.gtest.mk
@@ -219,7 +219,6 @@
 LOCAL_ADDITIONAL_DEPENDENCIES += art/build/Android.gtest.mk
 $(eval $(call set-target-local-clang-vars))
 $(eval $(call set-target-local-cflags-vars,debug))
-include external/libcxx/libcxx.mk
 include $(BUILD_SHARED_LIBRARY)
 
 include $(CLEAR_VARS)
@@ -236,7 +235,6 @@
 LOCAL_CLANG := $(ART_HOST_CLANG)
 LOCAL_ADDITIONAL_DEPENDENCIES := art/build/Android.common_build.mk
 LOCAL_ADDITIONAL_DEPENDENCIES += art/build/Android.gtest.mk
-include external/libcxx/libcxx.mk
 include $(BUILD_HOST_SHARED_LIBRARY)
 
 # Variables holding collections of gtest pre-requisits used to run a number of gtests.
@@ -368,7 +366,6 @@
   endif
 
   LOCAL_CFLAGS := $$(ART_TEST_CFLAGS)
-  include external/libcxx/libcxx.mk
   ifeq ($$(art_target_or_host),target)
     $$(eval $$(call set-target-local-clang-vars))
     $$(eval $$(call set-target-local-cflags-vars,debug))
diff --git a/compiler/Android.mk b/compiler/Android.mk
index 1d4f5a3..a3de913 100644
--- a/compiler/Android.mk
+++ b/compiler/Android.mk
@@ -209,7 +209,6 @@
   LOCAL_GENERATED_SOURCES += $$(ENUM_OPERATOR_OUT_GEN)
 
   LOCAL_CFLAGS := $$(LIBART_COMPILER_CFLAGS)
-  include external/libcxx/libcxx.mk
   ifeq ($$(art_target_or_host),target)
     $(call set-target-local-clang-vars)
     $(call set-target-local-cflags-vars,$(2))
diff --git a/dalvikvm/Android.mk b/dalvikvm/Android.mk
index 0ef20d6..239e746 100644
--- a/dalvikvm/Android.mk
+++ b/dalvikvm/Android.mk
@@ -35,7 +35,6 @@
 LOCAL_MULTILIB := both
 LOCAL_MODULE_STEM_32 := dalvikvm32
 LOCAL_MODULE_STEM_64 := dalvikvm64
-include external/libcxx/libcxx.mk
 include $(BUILD_EXECUTABLE)
 
 # Create symlink for the primary version target.
@@ -68,7 +67,6 @@
 LOCAL_MULTILIB := both
 LOCAL_MODULE_STEM_32 := dalvikvm32
 LOCAL_MODULE_STEM_64 := dalvikvm64
-include external/libcxx/libcxx.mk
 include $(BUILD_HOST_EXECUTABLE)
 
 # Create symlink for the primary version target.
diff --git a/disassembler/Android.mk b/disassembler/Android.mk
index 218b23b..735c850 100644
--- a/disassembler/Android.mk
+++ b/disassembler/Android.mk
@@ -84,7 +84,6 @@
 
   LOCAL_ADDITIONAL_DEPENDENCIES := art/build/Android.common_build.mk
   LOCAL_ADDITIONAL_DEPENDENCIES += $(LOCAL_PATH)/Android.mk
-  include external/libcxx/libcxx.mk
   # For disassembler_arm64.
   ifeq ($$(art_ndebug_or_debug),debug)
      LOCAL_SHARED_LIBRARIES += libvixld
diff --git a/runtime/Android.mk b/runtime/Android.mk
index 8a4b8c0..a53616a 100644
--- a/runtime/Android.mk
+++ b/runtime/Android.mk
@@ -460,7 +460,6 @@
   LOCAL_C_INCLUDES += art/sigchainlib
 
   LOCAL_SHARED_LIBRARIES := libnativehelper libnativebridge libsigchain
-  include external/libcxx/libcxx.mk
   LOCAL_SHARED_LIBRARIES += libbacktrace
   ifeq ($$(art_target_or_host),target)
     LOCAL_SHARED_LIBRARIES += libdl
diff --git a/sigchainlib/Android.mk b/sigchainlib/Android.mk
index 35dec4b..e0f1769 100644
--- a/sigchainlib/Android.mk
+++ b/sigchainlib/Android.mk
@@ -69,5 +69,4 @@
 LOCAL_ADDITIONAL_DEPENDENCIES += $(LOCAL_PATH)/Android.mk
 LOCAL_LDLIBS = -ldl
 LOCAL_MULTILIB := both
-include external/libcxx/libcxx.mk
 include $(BUILD_HOST_STATIC_LIBRARY)
diff --git a/test/Android.libarttest.mk b/test/Android.libarttest.mk
index c9c0475..e64df5c 100644
--- a/test/Android.libarttest.mk
+++ b/test/Android.libarttest.mk
@@ -55,7 +55,6 @@
   LOCAL_C_INCLUDES += $(ART_C_INCLUDES) art/runtime
   LOCAL_ADDITIONAL_DEPENDENCIES := art/build/Android.common_build.mk
   LOCAL_ADDITIONAL_DEPENDENCIES += $(LOCAL_PATH)/Android.libarttest.mk
-  include external/libcxx/libcxx.mk
   ifeq ($$(art_target_or_host),target)
     $(call set-target-local-clang-vars)
     $(call set-target-local-cflags-vars,debug)
diff --git a/test/Android.libnativebridgetest.mk b/test/Android.libnativebridgetest.mk
index 1b20e69..452278a 100644
--- a/test/Android.libnativebridgetest.mk
+++ b/test/Android.libnativebridgetest.mk
@@ -47,7 +47,6 @@
   LOCAL_C_INCLUDES += $(ART_C_INCLUDES) art/runtime
   LOCAL_ADDITIONAL_DEPENDENCIES := art/build/Android.common_build.mk
   LOCAL_ADDITIONAL_DEPENDENCIES += $(LOCAL_PATH)/Android.libnativebridgetest.mk
-  include external/libcxx/libcxx.mk
   ifeq ($$(art_target_or_host),target)
     $(call set-target-local-clang-vars)
     $(call set-target-local-cflags-vars,debug)