build_bc_lib.mk revision 5a47020542c52af3e879c1cd67674ca979ff0a18 
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 := $(HOST_OUT_EXECUTABLES)/bcc_strip_attr$(HOST_EXECUTABLE_SUFFIX)
20
21# We need to pass the +long64 flag to the underlying version of Clang, since
22# we are generating a library for use with Renderscript (64-bit long type,
23# not 32-bit).
24bc_clang_cc1_cflags := -target-feature +long64
25bc_translated_clang_cc1_cflags := $(addprefix -Xclang , $(bc_clang_cc1_cflags))
26
27bc_cflags := -MD \
28             -DRS_VERSION=$(RS_VERSION) \
29             -std=c99 \
30             -c \
31             -O3 \
32             -fno-builtin \
33             -emit-llvm \
34             -target armv7-none-linux-gnueabi \
35             -fsigned-char \
36             $(LOCAL_CFLAGS) \
37             $(bc_translated_clang_cc1_cflags)
38
39ifeq ($(rs_debug_runtime),1)
40bc_cflags += -DRS_DEBUG_RUNTIME
41endif
42rs_debug_runtime:=
43
44c_sources := $(filter %.c,$(LOCAL_SRC_FILES))
45ll_sources := $(filter %.ll,$(LOCAL_SRC_FILES))
46
47c_bc_files := $(patsubst %.c,%.bc, \
48    $(addprefix $(intermediates)/, $(c_sources)))
49
50ll_bc_files := $(patsubst %.ll,%.bc, \
51    $(addprefix $(intermediates)/, $(ll_sources)))
52
53$(c_bc_files): PRIVATE_INCLUDES := \
54    frameworks/rs/scriptc \
55    external/clang/lib/Headers
56$(c_bc_files): PRIVATE_CFLAGS := $(bc_cflags)
57
58$(c_bc_files): $(intermediates)/%.bc: $(LOCAL_PATH)/%.c  $(CLANG)
59	@mkdir -p $(dir $@)
60	$(hide) $(CLANG) $(addprefix -I, $(PRIVATE_INCLUDES)) $(PRIVATE_CFLAGS) $< -o $@
61
62$(ll_bc_files): $(intermediates)/%.bc: $(LOCAL_PATH)/%.ll $(LLVM_AS)
63	@mkdir -p $(dir $@)
64	$(hide) $(LLVM_AS) $< -o $@
65
66-include $(c_bc_files:%.bc=%.d)
67-include $(ll_bc_files:%.bc=%.d)
68
69$(LOCAL_BUILT_MODULE): PRIVATE_BC_FILES := $(c_bc_files) $(ll_bc_files)
70$(LOCAL_BUILT_MODULE): $(c_bc_files) $(ll_bc_files)
71$(LOCAL_BUILT_MODULE): $(LLVM_LINK) $(clcore_LLVM_LD)
72$(LOCAL_BUILT_MODULE): $(LLVM_AS) $(BCC_STRIP_ATTR)
73	@mkdir -p $(dir $@)
74	$(hide) $(LLVM_LINK) $(PRIVATE_BC_FILES) -o $@.unstripped
75	$(hide) $(BCC_STRIP_ATTR) -o $@ $@.unstripped
76