1#
2# Copyright (C) 2012 The Android Open Source Project
3#
4# Licensed under the Apache License, Version 2.0 (the "License");
5# you may not use this file except in compliance with the License.
6# You may obtain a copy of the License at
7#
8#      http://www.apache.org/licenses/LICENSE-2.0
9#
10# Unless required by applicable law or agreed to in writing, software
11# distributed under the License is distributed on an "AS IS" BASIS,
12# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13# See the License for the specific language governing permissions and
14# limitations under the License.
15#
16
17ifndef BCC_RS_TRIPLE
18BCC_RS_TRIPLE := $($(LOCAL_2ND_ARCH_VAR_PREFIX)RS_TRIPLE)
19endif
20
21# Set these values always by default
22LOCAL_MODULE_CLASS := RENDERSCRIPT_BITCODE
23
24include $(BUILD_SYSTEM)/base_rules.mk
25
26BCC_STRIP_ATTR := $(BUILD_OUT_EXECUTABLES)/bcc_strip_attr$(BUILD_EXECUTABLE_SUFFIX)
27
28bc_clang := $(RS_CLANG)
29ifdef RS_DRIVER_CLANG_EXE
30bc_clang := $(RS_DRIVER_CLANG_EXE)
31endif
32
33# Disable deprecated warnings, because we have to support even legacy APIs.
34bc_warning_flags := -Wno-deprecated -Werror
35
36bc_cflags := -MD \
37             $(RS_VERSION_DEFINE) \
38             -std=c99 \
39             -c \
40             -O3 \
41             -fno-builtin \
42             -emit-llvm \
43             -target $(BCC_RS_TRIPLE) \
44             -fsigned-char \
45             $($(LOCAL_2ND_ARCH_VAR_PREFIX)RS_TRIPLE_CFLAGS) \
46             $(bc_warning_flags) \
47             $(LOCAL_CFLAGS) \
48             $(LOCAL_CFLAGS_$(my_32_64_bit_suffix)) \
49             -x renderscript
50
51ifeq ($(rs_debug_runtime),1)
52    bc_cflags += -DRS_DEBUG_RUNTIME
53endif
54
55ifeq ($(rs_g_runtime),1)
56    bc_cflags += -DRS_G_RUNTIME
57endif
58
59bc_src_files := $(LOCAL_SRC_FILES)
60bc_src_files += $(LOCAL_SRC_FILES_$(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_SRC_FILES_$(my_32_64_bit_suffix))
61
62c_sources := $(filter %.c,$(bc_src_files))
63ll_sources := $(filter %.ll,$(bc_src_files))
64
65c_bc_files := $(patsubst %.c,%.bc, \
66    $(addprefix $(intermediates)/, $(c_sources)))
67
68ll_bc_files := $(patsubst %.ll,%.bc, \
69    $(addprefix $(intermediates)/, $(ll_sources)))
70
71$(c_bc_files): PRIVATE_INCLUDES := \
72    frameworks/rs/script_api/include \
73    external/clang/lib/Headers
74$(c_bc_files): PRIVATE_CFLAGS := $(bc_cflags)
75
76$(c_bc_files): $(intermediates)/%.bc: $(LOCAL_PATH)/%.c $(bc_clang)
77	@echo "bc: $(PRIVATE_MODULE) <= $<"
78	@mkdir -p $(dir $@)
79	$(hide) $(RELATIVE_PWD) $(bc_clang) $(addprefix -I, $(PRIVATE_INCLUDES)) $(PRIVATE_CFLAGS) $< -o $@
80
81$(ll_bc_files): $(intermediates)/%.bc: $(LOCAL_PATH)/%.ll $(RS_LLVM_AS)
82	@mkdir -p $(dir $@)
83	$(hide) $(RELATIVE_PWD) $(RS_LLVM_AS) $< -o $@
84
85$(foreach f,$(c_bc_files),$(call include-depfile,$(f:%.bc=%.d),$(f)))
86
87$(LOCAL_BUILT_MODULE): PRIVATE_BC_FILES := $(c_bc_files) $(ll_bc_files)
88$(LOCAL_BUILT_MODULE): $(c_bc_files) $(ll_bc_files)
89$(LOCAL_BUILT_MODULE): $(RS_LLVM_LINK)
90$(LOCAL_BUILT_MODULE): $(RS_LLVM_AS) $(BCC_STRIP_ATTR)
91	@echo "bc lib: $(PRIVATE_MODULE) ($@)"
92	@mkdir -p $(dir $@)
93	# Strip useless known warning about combining mismatched modules, as well as
94	# any blank lines that llvm-link inserts.
95	$(hide) $(RELATIVE_PWD) $(RS_LLVM_LINK) $(PRIVATE_BC_FILES) -o $@.unstripped 2> >(grep -v "\(modules of different\)\|^$$" >&2)
96	$(hide) $(RELATIVE_PWD) $(BCC_STRIP_ATTR) -o $@ $@.unstripped
97
98BCC_RS_TRIPLE :=
99