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rules.mk
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rules.mk
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# Copyright (C) 2015 The Android Open Source Project.
#
# Permission to use, copy, modify, and/or distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
# SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
# OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
# CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
# This file is not used in the Android build process! It's used only by Trusty.
LOCAL_DIR := $(GET_LOCAL_DIR)
LOCAL_PATH := $(GET_LOCAL_DIR)
MODULE := $(LOCAL_DIR)
MODULE_STATIC_LIB := true
TARGET_ARCH := $(ARCH)
TARGET_2ND_ARCH := $(ARCH)
# Reset local variables
LOCAL_CFLAGS :=
LOCAL_C_INCLUDES :=
LOCAL_SRC_FILES :=
LOCAL_SRC_FILES_$(TARGET_ARCH) :=
LOCAL_SRC_FILES_$(TARGET_2ND_ARCH) :=
LOCAL_CFLAGS_$(TARGET_ARCH) :=
LOCAL_CFLAGS_$(TARGET_2ND_ARCH) :=
LOCAL_ADDITIONAL_DEPENDENCIES :=
# get target_c_flags, target_c_includes, target_src_files
MODULE_SRCDEPS += $(LOCAL_DIR)/crypto-sources.mk
include $(LOCAL_DIR)/crypto-sources.mk
# Some files in BoringSSL use OS functions that aren't supported by Trusty. The
# easiest way to deal with them is not to include them. As long as no path to
# the functions defined in these files exists, the linker will be happy. If
# such a path is created, it'll be a link-time error and something more complex
# may need to be considered.
LOCAL_SRC_FILES := $(filter-out src/crypto/bio/connect.c,$(LOCAL_SRC_FILES))
LOCAL_SRC_FILES := $(filter-out src/crypto/bio/fd.c,$(LOCAL_SRC_FILES))
LOCAL_SRC_FILES := $(filter-out src/crypto/bio/file.c,$(LOCAL_SRC_FILES))
LOCAL_SRC_FILES := $(filter-out src/crypto/bio/socket.c,$(LOCAL_SRC_FILES))
LOCAL_SRC_FILES := $(filter-out src/crypto/bio/socket_helper.c,$(LOCAL_SRC_FILES))
LOCAL_SRC_FILES := $(filter-out src/crypto/asn1/time_support.c,$(LOCAL_SRC_FILES))
LOCAL_SRC_FILES := $(filter-out src/crypto/x509/by_dir.c,$(LOCAL_SRC_FILES))
# BoringSSL detects Trusty based on this define and does things like switch to
# no-op threading functions.
MODULE_CFLAGS += -DTRUSTY
# Define static armcap based on lk build variables
MODULE_STATIC_ARMCAP := -DOPENSSL_STATIC_ARMCAP
toarmcap = $(if $(filter-out 0 false,$(2)),-DOPENSSL_STATIC_ARMCAP_$(1),)
MODULE_STATIC_ARMCAP += $(call toarmcap,NEON,$(USE_ARM_V7_NEON))
MODULE_STATIC_ARMCAP += $(call toarmcap,AES,$(USE_ARM_V8_AES))
MODULE_STATIC_ARMCAP += $(call toarmcap,PMULL,$(USE_ARM_V8_PMULL))
MODULE_STATIC_ARMCAP += $(call toarmcap,SHA1,$(USE_ARM_V8_SHA1))
MODULE_STATIC_ARMCAP += $(call toarmcap,SHA256,$(USE_ARM_V8_SHA2))
MODULE_CFLAGS += $(MODULE_STATIC_ARMCAP)
MODULE_ASMFLAGS += $(MODULE_STATIC_ARMCAP)
MODULE_SRCS += $(addprefix $(LOCAL_DIR)/,$(LOCAL_SRC_FILES))
MODULE_SRCS += $(addprefix $(LOCAL_DIR)/,$(LOCAL_SRC_FILES_$(ARCH)))
LOCAL_C_INCLUDES := src/crypto src/include
GLOBAL_INCLUDES += $(addprefix $(LOCAL_DIR)/,$(LOCAL_C_INCLUDES))
# BoringSSL expects an STL to be available when building for C++11 to provide
# scopers. Suppress those APIs.
GLOBAL_CPPFLAGS += -DBORINGSSL_NO_CXX
MODULE_DEPS := \
lib/openssl-stubs \
include make/module.mk