Add HOST_CROSS_OS
Instead of using recursive make to change the HOST_OS when building the
windows SDK under linux, add the concept of cross-building to another
host os.
Bug: 23566667
Change-Id: I6dc525b601b6251d458d197c30bf4660d7485502
diff --git a/core/host_executable.mk b/core/host_executable.mk
index 0091f3f..017522a 100644
--- a/core/host_executable.mk
+++ b/core/host_executable.mk
@@ -1,5 +1,6 @@
my_prefix := HOST_
+LOCAL_HOST_PREFIX :=
include $(BUILD_SYSTEM)/multilib.mk
ifndef LOCAL_MODULE_HOST_ARCH
@@ -50,5 +51,30 @@
LOCAL_2ND_ARCH_VAR_PREFIX :=
endif # HOST_2ND_ARCH
+ifdef HOST_CROSS_OS
+my_prefix := HOST_CROSS_
+LOCAL_HOST_PREFIX := $(my_prefix)
+include $(BUILD_SYSTEM)/module_arch_supported.mk
+ifeq ($(my_module_arch_supported),true)
+# Build for Windows
+OVERRIDE_BUILT_MODULE_PATH :=
+# we don't want others using the cross compiled version
+saved_LOCAL_BUILT_MODULE := $(LOCAL_BUILT_MODULE)
+saved_LOCAL_INSTALLED_MODULE := $(LOCAL_INSTALLED_MODULE)
+LOCAL_BUILT_MODULE :=
+LOCAL_INSTALLED_MODULE :=
+LOCAL_INTERMEDIATE_TARGETS :=
+
+ifeq ($(LOCAL_NO_FPIE),)
+LOCAL_LDFLAGS += $(HOST_CROSS_FPIE_FLAGS)
+endif
+
+include $(BUILD_SYSTEM)/host_executable_internal.mk
+LOCAL_BUILT_MODULE := $(saved_LOCAL_BUILT_MODULE)
+LOCAL_INSTALLED_MODULE := $(saved_LOCAL_INSTALLED_MODULE)
+endif
+LOCAL_HOST_PREFIX :=
+endif
+
LOCAL_NO_2ND_ARCH_MODULE_SUFFIX :=
my_module_arch_supported :=