build_bc_lib.mk revision 4da42506a08ed7fdb61615b3524f111df939fc6e 
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
17include $(BUILD_SYSTEM)/base_rules.mk
18
19BCC_STRIP_ATTR := $(BUILD_OUT_EXECUTABLES)/bcc_strip_attr$(BUILD_EXECUTABLE_SUFFIX)
20
21bc_clang_cc1_cflags :=
22ifeq ($(TARGET_ARCH),arm)
23# We need to pass the +long64 flag to the underlying version of Clang, since
24# we are generating a library for use with Renderscript (64-bit long type,
25# not 32-bit).
26bc_clang_cc1_cflags += -target-feature +long64
27endif
28bc_translated_clang_cc1_cflags := $(addprefix -Xclang , $(bc_clang_cc1_cflags))
29
30bc_cflags := -MD \
31             -DRS_VERSION=$(RS_VERSION) \
32             -std=c99 \
33             -c \
34             -O3 \
35             -fno-builtin \
36             -emit-llvm \
37             -target $(RS_TRIPLE) \
38             -fsigned-char \
39             $(LOCAL_CFLAGS) \
40             $(bc_translated_clang_cc1_cflags)
41
42ifeq ($(rs_debug_runtime),1)
43    bc_cflags += -DRS_DEBUG_RUNTIME
44endif
45rs_debug_runtime:=
46
47c_sources := $(filter %.c,$(LOCAL_SRC_FILES))
48ll_sources := $(filter %.ll,$(LOCAL_SRC_FILES))
49
50c_bc_files := $(patsubst %.c,%.bc, \
51    $(addprefix $(intermediates)/, $(c_sources)))
52
53ll_bc_files := $(patsubst %.ll,%.bc, \
54    $(addprefix $(intermediates)/, $(ll_sources)))
55
56$(c_bc_files): PRIVATE_INCLUDES := \
57    frameworks/rs/scriptc \
58    external/clang/lib/Headers
59$(c_bc_files): PRIVATE_CFLAGS := $(bc_cflags)
60
61$(c_bc_files): $(intermediates)/%.bc: $(LOCAL_PATH)/%.c  $(CLANG)
62	@mkdir -p $(dir $@)
63	$(hide) $(CLANG) $(addprefix -I, $(PRIVATE_INCLUDES)) $(PRIVATE_CFLAGS) $< -o $@
64
65$(ll_bc_files): $(intermediates)/%.bc: $(LOCAL_PATH)/%.ll $(LLVM_AS)
66	@mkdir -p $(dir $@)
67	$(hide) $(LLVM_AS) $< -o $@
68
69-include $(c_bc_files:%.bc=%.d)
70-include $(ll_bc_files:%.bc=%.d)
71
72$(LOCAL_BUILT_MODULE): PRIVATE_BC_FILES := $(c_bc_files) $(ll_bc_files)
73$(LOCAL_BUILT_MODULE): $(c_bc_files) $(ll_bc_files)
74$(LOCAL_BUILT_MODULE): $(LLVM_LINK) $(clcore_LLVM_LD)
75$(LOCAL_BUILT_MODULE): $(LLVM_AS) $(BCC_STRIP_ATTR)
76	@mkdir -p $(dir $@)
77	$(hide) $(LLVM_LINK) $(PRIVATE_BC_FILES) -o $@.unstripped
78	$(hide) $(BCC_STRIP_ATTR) -o $@ $@.unstripped
79