build_bc_lib_internal.mk revision 943457fd8b72622adbd9639ad80bed953743ff25 
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_TAGS := optional
23LOCAL_MODULE_CLASS := SHARED_LIBRARIES
24
25include $(BUILD_SYSTEM)/base_rules.mk
26
27BCC_STRIP_ATTR := $(BUILD_OUT_EXECUTABLES)/bcc_strip_attr$(BUILD_EXECUTABLE_SUFFIX)
28
29bc_clang := $(RS_CLANG)
30ifdef RS_DRIVER_CLANG_EXE
31bc_clang := $(RS_DRIVER_CLANG_EXE)
32endif
33
34bc_clang_cc1_cflags := -fnative-half-type -fallow-half-arguments-and-returns
35ifeq ($(BCC_RS_TRIPLE),armv7-none-linux-gnueabi)
36# We need to pass the +long64 flag to the underlying version of Clang, since
37# we are generating a library for use with Renderscript (64-bit long type,
38# not 32-bit).
39bc_clang_cc1_cflags += -target-feature +long64
40endif
41bc_translated_clang_cc1_cflags := $(addprefix -Xclang , $(bc_clang_cc1_cflags))
42
43# Bug: 25435756 - must be switched back to the proper API level
44bc_RS_VERSION := -DRS_VERSION=4294967295
45
46bc_cflags := -MD \
47             $(bc_RS_VERSION) \
48             -std=c99 \
49             -c \
50             -O3 \
51             -fno-builtin \
52             -emit-llvm \
53             -target $(BCC_RS_TRIPLE) \
54             -fsigned-char \
55             $($(LOCAL_2ND_ARCH_VAR_PREFIX)RS_TRIPLE_CFLAGS) \
56             $(LOCAL_CFLAGS) \
57             $(bc_translated_clang_cc1_cflags) \
58             $(LOCAL_CFLAGS_$(my_32_64_bit_suffix))
59
60ifeq ($(rs_debug_runtime),1)
61    bc_cflags += -DRS_DEBUG_RUNTIME
62endif
63
64bc_src_files := $(LOCAL_SRC_FILES)
65bc_src_files += $(LOCAL_SRC_FILES_$(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_SRC_FILES_$(my_32_64_bit_suffix))
66
67c_sources := $(filter %.c,$(bc_src_files))
68ll_sources := $(filter %.ll,$(bc_src_files))
69
70c_bc_files := $(patsubst %.c,%.bc, \
71    $(addprefix $(intermediates)/, $(c_sources)))
72
73ll_bc_files := $(patsubst %.ll,%.bc, \
74    $(addprefix $(intermediates)/, $(ll_sources)))
75
76$(c_bc_files): PRIVATE_INCLUDES := \
77    frameworks/rs/scriptc \
78    external/clang/lib/Headers
79$(c_bc_files): PRIVATE_CFLAGS := $(bc_cflags)
80
81$(c_bc_files): $(intermediates)/%.bc: $(LOCAL_PATH)/%.c $(bc_clang)
82	@echo "bc: $(PRIVATE_MODULE) <= $<"
83	@mkdir -p $(dir $@)
84	$(hide) $(bc_clang) $(addprefix -I, $(PRIVATE_INCLUDES)) $(PRIVATE_CFLAGS) $< -o $@
85	$(call transform-d-to-p-args,$(@:%.bc=%.d),$(@:%.bc=%.P))
86
87$(ll_bc_files): $(intermediates)/%.bc: $(LOCAL_PATH)/%.ll $(RS_LLVM_AS)
88	@mkdir -p $(dir $@)
89	$(hide) $(RS_LLVM_AS) $< -o $@
90
91-include $(c_bc_files:%.bc=%.P)
92
93$(LOCAL_BUILT_MODULE): PRIVATE_BC_FILES := $(c_bc_files) $(ll_bc_files)
94$(LOCAL_BUILT_MODULE): $(c_bc_files) $(ll_bc_files)
95$(LOCAL_BUILT_MODULE): $(RS_LLVM_LINK)
96$(LOCAL_BUILT_MODULE): $(RS_LLVM_AS) $(BCC_STRIP_ATTR)
97	@echo "bc lib: $(PRIVATE_MODULE) ($@)"
98	@mkdir -p $(dir $@)
99	$(hide) $(RS_LLVM_LINK) $(PRIVATE_BC_FILES) -o $@.unstripped
100	$(hide) $(BCC_STRIP_ATTR) -o $@ $@.unstripped
101
102BCC_RS_TRIPLE :=
103