mirror of
https://github.com/intel/linux-sgx
synced 2026-06-08 14:49:32 +00:00
aplatasz
79d06a4e58
Added security-focused compiler and linker flags --------- Signed-off-by: Anna Platasz <anna.platasz@intel.com>
87 lines
2.7 KiB
Makefile
87 lines
2.7 KiB
Makefile
#
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# Copyright(c) 2011-2026 Intel Corporation
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#
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# SPDX-License-Identifier: BSD-3-Clause
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#
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include ../../buildenv.mk
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CFLAGS += $(ENCLAVE_CFLAGS) -Werror=format-security -D_TLIBC_GNU_
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ASFLAGS := $(CFLAGS)
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CFLAGS += -std=c99
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CXXFLAGS += $(ENCLAVE_CXXFLAGS) -fno-exceptions -fno-rtti -Werror=format-security
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CPPFLAGS += -I. \
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-I$(COMMON_DIR)/inc \
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-I$(COMMON_DIR)/inc/tlibc \
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-I$(COMMON_DIR)/inc/internal \
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-I$(LINUX_SDK_DIR)/trts \
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-I./string/asm \
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-I./gdtoa
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LIBM_PATH := $(LINUX_EXTERNAL_DIR)/libm/Libm_ct_Linux
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LIBIRC_PATH := $(LINUX_EXTERNAL_DIR)/libirc/efi2
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SVML_PATH := $(LINUX_EXTERNAL_DIR)/libm/SVML_Intel64_Linux
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ifeq ($(USE_STRING_LIB), 0)
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CFLAGS += -D_TLIBC_USE_INTEL_FAST_STRING_
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CXXFLAGS += -D_TLIBC_USE_INTEL_FAST_STRING_
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endif
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ifeq ($(USE_MATH_LIB), 0)
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C_SRCS := $(wildcard gen/*.c gdtoa/*.c locale/*.c math/opt/*.c stdlib/*.c string/*.c stdio/*.c time/*.c)
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LIBC_C_SRCS := $(filter-out $(wildcard gen/fpclassify*.c gen/isfinite*.c gen/isinf*.c gen/isnan*.c gen/isnormal*.c gen/signbit*.c), $(C_SRCS))
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LIBC_CPP_SRCS := $(wildcard gen/*.cpp) tstdc_version.cpp
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LIBC_ASM_SRCS := $(wildcard gen/*.S string/asm/*.S)
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else
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LIBC_C_SRCS := $(wildcard gen/*.c gdtoa/*.c locale/*.c math/*.c stdlib/*.c string/*.c stdio/*.c time/*.c)
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LIBC_CPP_SRCS := $(wildcard gen/*.cpp) tstdc_version.cpp
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LIBC_ASM_SRCS := $(wildcard gen/*.S math/*.S string/asm/*.S)
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endif
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LIBC_OBJS := $(LIBC_C_SRCS:.c=.o)
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LIBC_OBJS += $(LIBC_CPP_SRCS:.cpp=.o)
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LIBC_OBJS += $(LIBC_ASM_SRCS:.S=.o)
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LIBC_OBJS := $(sort $(LIBC_OBJS))
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LIBC_NAME := libtlibc.a
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.PHONY: all
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all: $(LIBC_NAME) | $(BUILD_DIR)
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$(LIBC_NAME): $(LIBC_OBJS)
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$(AR) rcs $@ $^
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ifeq ($(USE_STRING_LIB), 0)
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$(MKDIR) $(BUILD_DIR)/.libirc
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$(RM) -f $(BUILD_DIR)/.libirc/* && cd $(BUILD_DIR)/.libirc && $(AR) x $(LIBIRC_PATH)/libirc.a
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$(AR) qD $@ $(BUILD_DIR)/.libirc/*.o
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@$(RM) -rf $(BUILD_DIR)/.libirc
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endif
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ifeq ($(USE_MATH_LIB), 0)
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$(MKDIR) $(BUILD_DIR)/.libimf $(BUILD_DIR)/.libsvml
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$(RM) -f $(BUILD_DIR)/.libimf/* && cd $(BUILD_DIR)/.libimf && $(AR) x $(LIBM_PATH)/libimf.a
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$(RM) -f $(BUILD_DIR)/.libsvml/* && cd $(BUILD_DIR)/.libsvml && $(AR) x $(SVML_PATH)/libsvml.a
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$(AR) qD $@ $(BUILD_DIR)/.libimf/*.o
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$(AR) qD $@ $(BUILD_DIR)/.libsvml/*.o
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@$(RM) -rf $(BUILD_DIR)/.libimf $(BUILD_DIR)/.libsvml
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endif
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string/consttime_memequal.o: string/consttime_memequal.c
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$(CC) $(filter-out -O2,$(CFLAGS)) -O1 $(CPPFLAGS) -c $< -o $@
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%.o: %.c
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$(CC) $(CFLAGS) $(CPPFLAGS) -c $< -o $@
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%.o: %.cpp
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$(CXX) $(CXXFLAGS) $(CPPFLAGS) -c $< -o $@
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%.o: %.S
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$(CC) $(ASFLAGS) $(CPPFLAGS) -c $< -o $@
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$(BUILD_DIR):
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$(MKDIR) $@
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.PHONY: clean
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clean:
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@$(RM) $(LIBC_NAME) $(LIBC_OBJS) math/opt/*.o
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