build_bc_lib_internal.mk revision 3565d51a9e8328bf00310334ddef90f547f5df6b
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 := $(RS_DRIVER_CLANG_EXE) 31endif 32 33bc_clang_cc1_cflags := -fnative-half-type -fallow-half-arguments-and-returns 34ifeq ($(BCC_RS_TRIPLE),armv7-linux-androideabi) 35# We need to pass the +long64 flag to the underlying version of Clang, since 36# we are generating a library for use with Renderscript (64-bit long type, 37# not 32-bit). 38bc_clang_cc1_cflags += -target-feature +long64 39endif 40bc_translated_clang_cc1_cflags := $(addprefix -Xclang , $(bc_clang_cc1_cflags)) 41 42# Disable deprecated warnings, because we have to support even legacy APIs. 43bc_warning_flags := -Wno-deprecated -Werror 44 45bc_cflags := -MD \ 46 $(RS_VERSION_DEFINE) \ 47 -std=c99 \ 48 -c \ 49 -O3 \ 50 -fno-builtin \ 51 -emit-llvm \ 52 -target $(BCC_RS_TRIPLE) \ 53 -fsigned-char \ 54 $($(LOCAL_2ND_ARCH_VAR_PREFIX)RS_TRIPLE_CFLAGS) \ 55 $(bc_warning_flags) \ 56 $(LOCAL_CFLAGS) \ 57 $(bc_translated_clang_cc1_cflags) \ 58 $(LOCAL_CFLAGS_$(my_32_64_bit_suffix)) 59 60ifeq ($(rs_debug_runtime),1) 61 bc_cflags += -DRS_DEBUG_RUNTIME 62endif 63 64ifeq ($(rs_g_runtime),1) 65 bc_cflags += -DRS_G_RUNTIME 66endif 67 68bc_src_files := $(LOCAL_SRC_FILES) 69bc_src_files += $(LOCAL_SRC_FILES_$(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_SRC_FILES_$(my_32_64_bit_suffix)) 70 71c_sources := $(filter %.c,$(bc_src_files)) 72ll_sources := $(filter %.ll,$(bc_src_files)) 73 74c_bc_files := $(patsubst %.c,%.bc, \ 75 $(addprefix $(intermediates)/, $(c_sources))) 76 77ll_bc_files := $(patsubst %.ll,%.bc, \ 78 $(addprefix $(intermediates)/, $(ll_sources))) 79 80$(c_bc_files): PRIVATE_INCLUDES := \ 81 frameworks/rs/scriptc \ 82 external/clang/lib/Headers 83$(c_bc_files): PRIVATE_CFLAGS := $(bc_cflags) 84 85$(c_bc_files): $(intermediates)/%.bc: $(LOCAL_PATH)/%.c $(bc_clang) 86 @echo "bc: $(PRIVATE_MODULE) <= $<" 87 @mkdir -p $(dir $@) 88 $(hide) $(RELATIVE_PWD) $(bc_clang) $(addprefix -I, $(PRIVATE_INCLUDES)) $(PRIVATE_CFLAGS) $< -o $@ 89 $(call transform-d-to-p-args,$(@:%.bc=%.d),$(@:%.bc=%.P)) 90 91$(ll_bc_files): $(intermediates)/%.bc: $(LOCAL_PATH)/%.ll $(RS_LLVM_AS) 92 @mkdir -p $(dir $@) 93 $(hide) $(RELATIVE_PWD) $(RS_LLVM_AS) $< -o $@ 94 95-include $(c_bc_files:%.bc=%.P) 96 97$(LOCAL_BUILT_MODULE): PRIVATE_BC_FILES := $(c_bc_files) $(ll_bc_files) 98$(LOCAL_BUILT_MODULE): $(c_bc_files) $(ll_bc_files) 99$(LOCAL_BUILT_MODULE): $(RS_LLVM_LINK) 100$(LOCAL_BUILT_MODULE): $(RS_LLVM_AS) $(BCC_STRIP_ATTR) 101 @echo "bc lib: $(PRIVATE_MODULE) ($@)" 102 @mkdir -p $(dir $@) 103 # Strip useless known warning about combining mismatched modules, as well as 104 # any blank lines that llvm-link inserts. 105 $(hide) $(RELATIVE_PWD) $(RS_LLVM_LINK) $(PRIVATE_BC_FILES) -o $@.unstripped 2> >(grep -v "\(modules of different\)\|^$$" >&2) 106 $(hide) $(RELATIVE_PWD) $(BCC_STRIP_ATTR) -o $@ $@.unstripped 107 108BCC_RS_TRIPLE := 109