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# ============================================================================
# config.mk - Shared Build Configuration
# ============================================================================
PROJECT_ROOT := $(abspath $(dir $(lastword $(MAKEFILE_LIST))))
CC := clang
CXX := clang++
AS := clang
LD := ld.lld
OBJCOPY := llvm-objcopy
AR := llvm-ar
ifeq ($(ARCH),x86_64)
TARGET_TRIPLE := x86_64-elf
EFI_ARCH := x86_64
EFI_BINARY := BOOTX64.EFI
ARCH_CFLAGS := -target x86_64-unknown-elf \
-mno-red-zone \
-mno-sse -mno-sse2 -mno-avx \
-mcmodel=kernel
QEMU := qemu-system-x86_64
else ifeq ($(ARCH),aarch64)
TARGET_TRIPLE := aarch64-elf
EFI_ARCH := aarch64
EFI_BINARY := BOOTAA64.EFI
ARCH_CFLAGS := -target aarch64-unknown-elf \
-mgeneral-regs-only
QEMU := qemu-system-aarch64
else
$(error ARCH must be x86_64 or aarch64)
endif
COMMON_CXXFLAGS := \
-std=c++23 \
-ffreestanding \
-fno-exceptions \
-fno-rtti \
-fno-stack-protector \
-fno-threadsafe-statics \
-fno-use-cxa-atexit \
-fno-pic \
-fno-pie \
-nostdlib \
-nostdinc++ \
-Wall -Wextra -Wpedantic \
-Werror=return-type \
-O2 \
-g \
-include $(PROJECT_ROOT)/include/kernel/config.h
COMMON_CFLAGS := \
-std=c17 \
-ffreestanding \
-fno-stack-protector \
-fno-pic \
-fno-pie \
-nostdlib \
-Wall -Wextra \
-O2 \
-g
COMMON_ASFLAGS := \
-g \
-include $(PROJECT_ROOT)/include/kernel/config.h
COMMON_LDFLAGS := \
-nostdlib \
--no-dynamic-linker \
-z noexecstack
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