Merge "Revert "Build: Support for compiled-classes file""
diff --git a/core/binary.mk b/core/binary.mk
index 954df1f..a5f46da 100644
--- a/core/binary.mk
+++ b/core/binary.mk
@@ -7,6 +7,7 @@
#######################################
include $(BUILD_SYSTEM)/base_rules.mk
+include $(BUILD_SYSTEM)/use_lld_setup.mk
#######################################
##################################################
@@ -516,7 +517,11 @@
my_target_global_cflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)CLANG_$(my_prefix)GLOBAL_CFLAGS)
my_target_global_conlyflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)CLANG_$(my_prefix)GLOBAL_CONLYFLAGS) $(my_c_std_conlyflags)
my_target_global_cppflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)CLANG_$(my_prefix)GLOBAL_CPPFLAGS) $(my_cpp_std_cppflags)
-my_target_global_ldflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)CLANG_$(my_prefix)GLOBAL_LDFLAGS)
+ifeq ($(my_use_clang_lld),true)
+ my_target_global_ldflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)CLANG_$(my_prefix)GLOBAL_LLDFLAGS)
+else
+ my_target_global_ldflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)CLANG_$(my_prefix)GLOBAL_LDFLAGS)
+endif # my_use_clang_lld
else
my_target_global_cflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)GLOBAL_CFLAGS)
my_target_global_conlyflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)GLOBAL_CONLYFLAGS) $(my_c_std_conlyflags)
diff --git a/core/clear_vars.mk b/core/clear_vars.mk
index eccaad5..62549d9 100644
--- a/core/clear_vars.mk
+++ b/core/clear_vars.mk
@@ -264,6 +264,7 @@
LOCAL_UNINSTALLABLE_MODULE:=
LOCAL_UNSTRIPPED_PATH:=
LOCAL_USE_AAPT2:=$(USE_AAPT2)
+LOCAL_USE_CLANG_LLD:=
LOCAL_USE_R8:=
LOCAL_USE_VNDK:=
LOCAL_VENDOR_MODULE:=
diff --git a/core/dynamic_binary.mk b/core/dynamic_binary.mk
index ebbe71c..74e0fa2 100644
--- a/core/dynamic_binary.mk
+++ b/core/dynamic_binary.mk
@@ -67,6 +67,11 @@
my_pack_module_relocations := false
endif
+# Relocation packer does not work with LLD yet.
+ifeq ($(my_use_clang_lld),true)
+ my_pack_module_relocations := false
+endif
+
ifeq (true,$(my_pack_module_relocations))
# Pack relocations
$(relocation_packer_output): $(relocation_packer_input)
diff --git a/core/prebuilt_internal.mk b/core/prebuilt_internal.mk
index 96e2613..ad081d5 100644
--- a/core/prebuilt_internal.mk
+++ b/core/prebuilt_internal.mk
@@ -6,6 +6,8 @@
##
###########################################################
+include $(BUILD_SYSTEM)/use_lld_setup.mk
+
ifneq ($(LOCAL_PREBUILT_LIBS),)
$(error dont use LOCAL_PREBUILT_LIBS anymore LOCAL_PATH=$(LOCAL_PATH))
endif
@@ -70,6 +72,12 @@
ifeq ($(DISABLE_RELOCATION_PACKER),true)
my_pack_module_relocations := false
endif
+
+ # Relocation packer does not work with LLD yet.
+ # my_use_clang_lld might be used before being set up in binary.mk
+ ifeq ($(my_use_clang_lld),true)
+ my_pack_module_relocations := false
+ endif
endif
ifneq ($(filter STATIC_LIBRARIES SHARED_LIBRARIES,$(LOCAL_MODULE_CLASS)),)
diff --git a/core/soong_config.mk b/core/soong_config.mk
index ab493d9..296d549 100644
--- a/core/soong_config.mk
+++ b/core/soong_config.mk
@@ -99,6 +99,7 @@
$(call add_json_list, CFIIncludePaths, $(CFI_INCLUDE_PATHS) $(PRODUCT_CFI_INCLUDE_PATHS))
$(call add_json_list, IntegerOverflowExcludePaths, $(INTEGER_OVERFLOW_EXCLUDE_PATHS) $(PRODUCT_INTEGER_OVERFLOW_EXCLUDE_PATHS))
+$(call add_json_bool, UseClangLld, $(filter 1 true,$(USE_CLANG_LLD)))
$(call add_json_bool, ClangTidy, $(filter 1 true,$(WITH_TIDY)))
$(call add_json_str, TidyChecks, $(WITH_TIDY_CHECKS))
diff --git a/core/use_lld_setup.mk b/core/use_lld_setup.mk
new file mode 100644
index 0000000..69ceddc
--- /dev/null
+++ b/core/use_lld_setup.mk
@@ -0,0 +1,14 @@
+#############################################################
+## Set up flags based on USE_CLANG_LLD and LOCAL_USE_CLANG_LLD.
+## Input variables: USE_CLANG_LLD,LOCAL_USE_CLANG_LLD.
+## Output variables: my_use_clang_lld
+#############################################################
+
+# Use LLD only if it's not disabled by LOCAL_USE_CLANG_LLD,
+# and enabled by LOCAL_USE_CLANG_LLD or USE_CLANG_LLD.
+my_use_clang_lld := false
+ifeq (,$(filter 0 false,$(LOCAL_USE_CLANG_LLD)))
+ ifneq (,$(filter 1 true,$(LOCAL_USE_CLANG_LLD) $(USE_CLANG_LLD)))
+ my_use_clang_lld := true
+ endif
+endif
