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/clang/HOST_CROSS_windows.mk b/core/clang/HOST_CROSS_windows.mk
new file mode 100644
index 0000000..74adb58
--- /dev/null
+++ b/core/clang/HOST_CROSS_windows.mk
@@ -0,0 +1,56 @@
+
+include $(BUILD_SYSTEM)/clang/x86.mk
+
+CLANG_CONFIG_x86_HOST_CROSS_TRIPLE := i686-pc-mingw32
+
+CLANG_CONFIG_x86_HOST_CROSS_EXTRA_ASFLAGS := \
+ $(CLANG_CONFIG_EXTRA_ASFLAGS) \
+ $(CLANG_CONFIG_HOST_CROSS_EXTRA_ASFLAGS) \
+ $(CLANG_CONFIG_x86_EXTRA_ASFLAGS) \
+ $(CLANG_CONFIG_x86_HOST_CROSS_COMBO_EXTRA_ASFLAGS) \
+ -target $(CLANG_CONFIG_x86_HOST_CROSS_TRIPLE)
+
+CLANG_CONFIG_x86_HOST_CROSS_EXTRA_CFLAGS := \
+ $(CLANG_CONFIG_EXTRA_CFLAGS) \
+ $(CLANG_CONFIG_HOST_CROSS_EXTRA_CFLAGS) \
+ $(CLANG_CONFIG_x86_EXTRA_CFLAGS) \
+ $(CLANG_CONFIG_x86_HOST_CROSS_COMBO_EXTRA_CFLAGS) \
+ $(CLANG_CONFIG_x86_HOST_CROSS_EXTRA_ASFLAGS)
+
+CLANG_CONFIG_x86_HOST_CROSS_EXTRA_CONLYFLAGS := \
+ $(CLANG_CONFIG_EXTRA_CONLYFLAGS) \
+ $(CLANG_CONFIG_HOST_CROSS_EXTRA_CONLYFLAGS) \
+ $(CLANG_CONFIG_x86_EXTRA_CONLYFLAGS) \
+ $(CLANG_CONFIG_x86_HOST_CROSS_COMBO_EXTRA_CONLYFLAGS)
+
+CLANG_CONFIG_x86_HOST_CROSS_EXTRA_CPPFLAGS := \
+ $(CLANG_CONFIG_EXTRA_CPPFLAGS) \
+ $(CLANG_CONFIG_HOST_CROSS_EXTRA_CPPFLAGS) \
+ $(CLANG_CONFIG_x86_EXTRA_CPPFLAGS) \
+ $(CLANG_CONFIG_x86_HOST_CROSS_COMBO_EXTRA_CPPFLAGS) \
+ -target $(CLANG_CONFIG_x86_HOST_CROSS_TRIPLE)
+
+CLANG_CONFIG_x86_HOST_CROSS_EXTRA_LDFLAGS := \
+ $(CLANG_CONFIG_EXTRA_LDFLAGS) \
+ $(CLANG_CONFIG_HOST_CROSS_EXTRA_LDFLAGS) \
+ $(CLANG_CONFIG_x86_EXTRA_LDFLAGS) \
+ $(CLANG_CONFIG_x86_HOST_CROSS_COMBO_EXTRA_LDFLAGS) \
+ -target $(CLANG_CONFIG_x86_HOST_CROSS_TRIPLE)
+
+CLANG_HOST_CROSS_GLOBAL_CFLAGS := \
+ $(call convert-to-host-clang-flags,$(HOST_CROSS_GLOBAL_CFLAGS)) \
+ $(CLANG_CONFIG_x86_HOST_CROSS_EXTRA_CFLAGS)
+
+CLANG_HOST_CROSS_GLOBAL_CONLYFLAGS := \
+ $(call convert-to-host-clang-flags,$(HOST_CROSS_GLOBAL_CONLYFLAGS)) \
+ $(CLANG_CONFIG_x86_HOST_CROSS_EXTRA_CONLYFLAGS)
+
+CLANG_HOST_CROSS_GLOBAL_CPPFLAGS := \
+ $(call convert-to-host-clang-flags,$(HOST_CROSS_GLOBAL_CPPFLAGS)) \
+ $(CLANG_CONFIG_x86_HOST_CROSS_EXTRA_CPPFLAGS)
+
+CLANG_HOST_CROSS_GLOBAL_LDFLAGS := \
+ $(call convert-to-host-clang-flags,$(HOST_CROSS_GLOBAL_LDFLAGS)) \
+ $(CLANG_CONFIG_x86_HOST_CROSS_EXTRA_LDFLAGS)
+
+HOST_CROSS_LIBPROFILE_RT := $(LLVM_RTLIB_PATH)/libclang_rt.profile-i686.a
diff --git a/core/clang/HOST_x86.mk b/core/clang/HOST_x86.mk
index f14a9c3..0ec64ad 100644
--- a/core/clang/HOST_x86.mk
+++ b/core/clang/HOST_x86.mk
@@ -16,9 +16,6 @@
CLANG_CONFIG_x86_HOST_COMBO_EXTRA_CPPFLAGS := $(CLANG_CONFIG_x86_DARWIN_HOST_EXTRA_CPPFLAGS)
CLANG_CONFIG_x86_HOST_COMBO_EXTRA_LDFLAGS := $(CLANG_CONFIG_x86_DARWIN_HOST_EXTRA_LDFLAGS)
endif
-ifeq ($(HOST_OS),windows)
-CLANG_CONFIG_x86_HOST_TRIPLE := i686-pc-mingw32
-endif
CLANG_CONFIG_x86_HOST_EXTRA_ASFLAGS := \
$(CLANG_CONFIG_EXTRA_ASFLAGS) \
diff --git a/core/clang/HOST_x86_64.mk b/core/clang/HOST_x86_64.mk
index 1211e73..d46cb67 100644
--- a/core/clang/HOST_x86_64.mk
+++ b/core/clang/HOST_x86_64.mk
@@ -16,9 +16,6 @@
CLANG_CONFIG_x86_64_HOST_COMBO_EXTRA_CPPFLAGS := $(CLANG_CONFIG_x86_DARWIN_HOST_EXTRA_CPPFLAGS)
CLANG_CONFIG_x86_64_HOST_COMBO_EXTRA_LDFLAGS := $(CLANG_CONFIG_x86_DARWIN_HOST_EXTRA_LDFLAGS)
endif
-ifeq ($(HOST_OS),windows)
-CLANG_CONFIG_x86_64_HOST_TRIPLE := x86_64-pc-mingw64
-endif
CLANG_CONFIG_x86_64_HOST_EXTRA_ASFLAGS := \
$(CLANG_CONFIG_EXTRA_ASFLAGS) \
diff --git a/core/clang/HOST_x86_common.mk b/core/clang/HOST_x86_common.mk
index 74b5a69..fc98dd5 100644
--- a/core/clang/HOST_x86_common.mk
+++ b/core/clang/HOST_x86_common.mk
@@ -48,7 +48,3 @@
-L$($(clang_2nd_arch_prefix)HOST_TOOLCHAIN_FOR_CLANG)/x86_64-linux/lib32/
endif
endif # Linux
-
-ifeq ($(HOST_OS),windows)
-# nothing required here yet
-endif
diff --git a/core/clang/config.mk b/core/clang/config.mk
index 910c1a4..03d7730 100644
--- a/core/clang/config.mk
+++ b/core/clang/config.mk
@@ -84,6 +84,12 @@
CLANG_CONFIG_HOST_EXTRA_CPPFLAGS :=
CLANG_CONFIG_HOST_EXTRA_LDFLAGS :=
+# Clang flags for all host cross rules
+CLANG_CONFIG_HOST_CROSS_EXTRA_ASFLAGS :=
+CLANG_CONFIG_HOST_CROSS_EXTRA_CFLAGS :=
+CLANG_CONFIG_HOST_CROSS_EXTRA_CPPFLAGS :=
+CLANG_CONFIG_HOST_CROSS_EXTRA_LDFLAGS :=
+
# Clang flags for all target rules
CLANG_CONFIG_TARGET_EXTRA_ASFLAGS :=
CLANG_CONFIG_TARGET_EXTRA_CFLAGS := -nostdlibinc
@@ -126,6 +132,10 @@
include $(BUILD_SYSTEM)/clang/HOST_$(HOST_2ND_ARCH).mk
endif
+ifdef HOST_CROSS_OS
+include $(BUILD_SYSTEM)/clang/HOST_CROSS_$(HOST_CROSS_OS).mk
+endif
+
# TARGET config
clang_2nd_arch_prefix :=
include $(BUILD_SYSTEM)/clang/TARGET_$(TARGET_ARCH).mk