don't use LOCAL_*_arch for host builds

The LOCAL_*_$(TARGET_ARCH) variables don't make sense for host
modules, only append use them for target modules.

Also complete the list of LOCAL_*_arch and LOCAL_*_32/64 to be
consistent.

Change-Id: I00c83e5c4e08ed9a844f9f99a79ce4bcc3f0bf11
diff --git a/core/binary.mk b/core/binary.mk
index bbdf4d2..972a303 100644
--- a/core/binary.mk
+++ b/core/binary.mk
@@ -85,21 +85,37 @@
 # The following LOCAL_ variables will be modified in this file.
 # Because the same LOCAL_ variables may be used to define modules for both 1st arch and 2nd arch,
 # we can't modify them in place.
-my_src_files := $(LOCAL_SRC_FILES) $(LOCAL_SRC_FILES_$(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH))
-my_static_libraries := $(LOCAL_STATIC_LIBRARIES_$(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_STATIC_LIBRARIES)
-my_whole_static_libraries := $(LOCAL_WHOLE_STATIC_LIBRARIES) $(LOCAL_WHOLE_STATIC_LIBRARIES_$(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH))
-my_shared_libraries := $(LOCAL_SHARED_LIBRARIES) $(LOCAL_SHARED_LIBRARIES_$(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH))
-my_32_64_bit_suffix := $(if $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_IS_64_BIT),64,32)
-my_cflags := $(LOCAL_CFLAGS) $(LOCAL_CFLAGS_$(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_CFLAGS_$(my_32_64_bit_suffix))
+my_src_files := $(LOCAL_SRC_FILES)
+my_static_libraries := $(LOCAL_STATIC_LIBRARIES)
+my_whole_static_libraries := $(LOCAL_WHOLE_STATIC_LIBRARIES)
+my_shared_libraries := $(LOCAL_SHARED_LIBRARIES)
+my_cflags := $(LOCAL_CFLAGS)
 my_cppflags := $(LOCAL_CPPFLAGS)
-my_ldflags := $(LOCAL_LDFLAGS) $(LOCAL_LDFLAGS_$(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_LDFLAGS_$(my_32_64_bit_suffix))
-my_asflags := $(LOCAL_ASFLAGS) $(LOCAL_ASFLAGS_$(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_ASFLAGS_$(my_32_64_bit_suffix))
+my_ldflags := $(LOCAL_LDFLAGS)
+my_asflags := $(LOCAL_ASFLAGS)
 my_cc := $(LOCAL_CC)
 my_cxx := $(LOCAL_CXX)
-my_c_includes := $(LOCAL_C_INCLUDES) $(LOCAL_C_INCLUDES_$(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_C_INCLUDES_$(my_32_64_bit_suffix))
-my_generated_sources := $(LOCAL_GENERATED_SOURCES) $(LOCAL_GENERATED_SOURCES_$(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH))
+my_c_includes := $(LOCAL_C_INCLUDES)
+my_generated_sources := $(LOCAL_GENERATED_SOURCES)
+
+ifndef LOCAL_IS_HOST_MODULE
+my_32_64_bit_suffix := $(if $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_IS_64_BIT),64,32)
+
+my_src_files += $(LOCAL_SRC_FILES_$(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_SRC_FILES_$(my_32_64_bit_suffix))
+my_shared_libraries += $(LOCAL_SHARED_LIBRARIES_$(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_SHARED_LIBRARIES_$(my_32_64_bit_suffix))
+my_cflags += $(LOCAL_CFLAGS_$(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_CFLAGS_$(my_32_64_bit_suffix))
+my_cppflags += $(LOCAL_CPPFLAGS_$(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_CPPFLAGS_$(my_32_64_bit_suffix))
+my_ldflags += $(LOCAL_LDFLAGS_$(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_LDFLAGS_$(my_32_64_bit_suffix))
+my_asflags += $(LOCAL_ASFLAGS_$(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_ASFLAGS_$(my_32_64_bit_suffix))
+my_c_includes += $(LOCAL_C_INCLUDES_$(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_C_INCLUDES_$(my_32_64_bit_suffix))
+my_generated_sources += $(LOCAL_GENERATED_SOURCES_$(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_GENERATED_SOURCES_$(my_32_64_bit_suffix))
+
+# arch-specific static libraries go first so that generic ones can depend on them
+my_static_libraries := $(LOCAL_STATIC_LIBRARIES_$(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_STATIC_LIBRARIES_$(my_32_64_bit_suffix)) $(my_static_libraries)
+my_whole_static_libraries := $(LOCAL_WHOLE_STATIC_LIBRARIES_$(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_WHOLE_STATIC_LIBRARIES_$(my_32_64_bit_suffix)) $(my_whole_static_libraries)
 
 my_cflags := $(filter-out $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_GLOBAL_UNSUPPORTED_CFLAGS),$(my_cflags))
+endif
 
 # The real dependency will be added after all Android.mks are loaded and the install paths
 # of the shared libraries are determined.
diff --git a/core/clear_vars.mk b/core/clear_vars.mk
index 3cd3538..f192c0b 100644
--- a/core/clear_vars.mk
+++ b/core/clear_vars.mk
@@ -153,6 +153,7 @@
 # arch specific variables
 LOCAL_SRC_FILES_$(TARGET_ARCH):=
 LOCAL_CFLAGS_$(TARGET_ARCH):=
+LOCAL_CPPFLAGS_$(TARGET_ARCH):=
 LOCAL_C_INCLUDES_$(TARGET_ARCH):=
 LOCAL_ASFLAGS_$(TARGET_ARCH):=
 LOCAL_NO_CRT_$(TARGET_ARCH):=
@@ -165,6 +166,7 @@
 ifdef TARGET_2ND_ARCH
 LOCAL_SRC_FILES_$(TARGET_2ND_ARCH):=
 LOCAL_CFLAGS_$(TARGET_2ND_ARCH):=
+LOCAL_CPPFLAGS_$(TARGET_2ND_ARCH):=
 LOCAL_C_INCLUDES_$(TARGET_2ND_ARCH):=
 LOCAL_ASFLAGS_$(TARGET_2ND_ARCH):=
 LOCAL_NO_CRT_$(TARGET_2ND_ARCH):=
@@ -176,8 +178,20 @@
 LOCAL_REQUIRED_MODULES_$(TARGET_2ND_ARCH):=
 endif
 
+LOCAL_SRC_FILES_32:=
+LOCAL_SRC_FILES_64:=
+LOCAL_SHARED_LIBRARIES_32:=
+LOCAL_SHARED_LIBRARIES_64:=
+LOCAL_STATIC_LIBRARIES_32:=
+LOCAL_STATIC_LIBRARIES_64:=
+LOCAL_WHOLE_STATIC_LIBRARIES_32:=
+LOCAL_WHOLE_STATIC_LIBRARIES_64:=
+LOCAL_GENERATED_SOURCES_32:=
+LOCAL_GENERATED_SOURCES_64:=
 LOCAL_CFLAGS_32:=
 LOCAL_CFLAGS_64:=
+LOCAL_CPPFLAGS_32:=
+LOCAL_CPPFLAGS_64:=
 LOCAL_LDFLAGS_32:=
 LOCAL_LDFLAGS_64:=
 LOCAL_ASFLAGS_32:=