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      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 
     17 ifndef BCC_RS_TRIPLE
     18 BCC_RS_TRIPLE := $($(LOCAL_2ND_ARCH_VAR_PREFIX)RS_TRIPLE)
     19 endif
     20 
     21 # Set these values always by default
     22 LOCAL_MODULE_CLASS := RENDERSCRIPT_BITCODE
     23 
     24 include $(BUILD_SYSTEM)/base_rules.mk
     25 
     26 BCC_STRIP_ATTR := $(BUILD_OUT_EXECUTABLES)/bcc_strip_attr$(BUILD_EXECUTABLE_SUFFIX)
     27 
     28 bc_clang := $(RS_CLANG)
     29 ifdef RS_DRIVER_CLANG_EXE
     30 bc_clang := $(RS_DRIVER_CLANG_EXE)
     31 endif
     32 
     33 # Disable deprecated warnings, because we have to support even legacy APIs.
     34 bc_warning_flags := -Wno-deprecated -Werror
     35 
     36 bc_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 
     51 ifeq ($(rs_debug_runtime),1)
     52     bc_cflags += -DRS_DEBUG_RUNTIME
     53 endif
     54 
     55 ifeq ($(rs_g_runtime),1)
     56     bc_cflags += -DRS_G_RUNTIME
     57 endif
     58 
     59 bc_src_files := $(LOCAL_SRC_FILES)
     60 bc_src_files += $(LOCAL_SRC_FILES_$(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_SRC_FILES_$(my_32_64_bit_suffix))
     61 
     62 c_sources := $(filter %.c,$(bc_src_files))
     63 ll_sources := $(filter %.ll,$(bc_src_files))
     64 
     65 c_bc_files := $(patsubst %.c,%.bc, \
     66     $(addprefix $(intermediates)/, $(c_sources)))
     67 
     68 ll_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 
     98 BCC_RS_TRIPLE :=
     99