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fix: make build directory configurable

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This commit is contained in:
Michael
2026-05-17 19:57:36 +02:00
parent 926d7bbad8
commit 65da1f0093
1 changed files with 22 additions and 21 deletions
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43
Makefile
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@@ -11,6 +11,7 @@ FLAG_FORMAT ?= ctf{FLAG_GOES_HERE}
FLAG_SEED ?= false FLAG_SEED ?= false
PYTHON_EXE ?= python PYTHON_EXE ?= python
BUILD_DIR ?= build
# Compilation variables # Compilation variables
RISCV_CC ?= riscv64-unknown-elf-gcc RISCV_CC ?= riscv64-unknown-elf-gcc
@@ -20,17 +21,17 @@ HOST_CFLAGS ?= -Wall -Wextra -O3 -g
HOST_LDFLAGS ?= -Wl,-s HOST_LDFLAGS ?= -Wl,-s
EMU_SRC_FILES := $(wildcard src/emulated/*.c) EMU_SRC_FILES := $(wildcard src/emulated/*.c)
EMU_OBJ_FILES := $(EMU_SRC_FILES:src/emulated/%.c=build/%.riscv.o) EMU_OBJ_FILES := $(EMU_SRC_FILES:src/emulated/%.c=$(BUILD_DIR)/%.riscv.o)
EMU_OBJ := build/emulated.riscv.elf EMU_OBJ := $(BUILD_DIR)/emulated.riscv.elf
EMU_OBJ_LICENSE ?= build/license EMU_OBJ_LICENSE ?= $(BUILD_DIR)/license
EMU_OBJ_LICENSE_IF_EXISTS := $(wildcard $(EMU_OBJ_LICENSE)) EMU_OBJ_LICENSE_IF_EXISTS := $(wildcard $(EMU_OBJ_LICENSE))
README_FILE ?= build/README.md README_FILE ?= $(BUILD_DIR)/README.md
ZIP_FILE ?= build/challenge.zip ZIP_FILE ?= $(BUILD_DIR)/challenge.zip
ZIP_FILE_IF_EXISTS := $(wildcard $(ZIP_FILE)) ZIP_FILE_IF_EXISTS := $(wildcard $(ZIP_FILE))
GENERATED := build/include/generated.h GENERATED := $(BUILD_DIR)/include/generated.h
HOST_SRC_EXTRA := src/elf.c src/hwinfo.c src/util.c tiny-AES-c/aes.c HOST_SRC_EXTRA := src/elf.c src/hwinfo.c src/util.c tiny-AES-c/aes.c
HOST_SRC := src/main.c $(HOST_SRC_EXTRA) HOST_SRC := src/main.c $(HOST_SRC_EXTRA)
@@ -40,18 +41,18 @@ HOST_SRC_SPOOFER := src/spoof/spoofer.c
ifeq ($(OS),Windows_NT) ifeq ($(OS),Windows_NT)
HOST_EXE ?= build/main.exe HOST_EXE ?= $(BUILD_DIR)/main.exe
else else
HOST_EXE ?= build/main HOST_EXE ?= $(BUILD_DIR)/main
endif endif
ifeq ($(OS),Windows_NT) ifeq ($(OS),Windows_NT)
HOST_EXE_ENCRYPTOR ?= build/encryptor.exe HOST_EXE_ENCRYPTOR ?= $(BUILD_DIR)/encryptor.exe
else else
HOST_EXE_ENCRYPTOR ?= build/encryptor HOST_EXE_ENCRYPTOR ?= $(BUILD_DIR)/encryptor
endif endif
HOST_EXE_SPOOFER ?= build/spoofer HOST_EXE_SPOOFER ?= $(BUILD_DIR)/spoofer
# Disassembly # Disassembly
@@ -70,40 +71,40 @@ emulated-riscv: $(EMU_OBJ_LICENSE)
host: $(HOST_EXE) $(HOST_EXE_SPOOFER) host: $(HOST_EXE) $(HOST_EXE_SPOOFER)
# Build the main challenge executable # Build the main challenge executable
$(HOST_EXE): $(HOST_SRC) | build $(HOST_EXE): $(HOST_SRC) | $(BUILD_DIR)
$(HOST_CC) $(HOST_CFLAGS) $(HOST_LDFLAGS) -static $(HOST_INCLUDE) $(HOST_SRC) -o $@ $(HOST_CC) $(HOST_CFLAGS) $(HOST_LDFLAGS) -static $(HOST_INCLUDE) $(HOST_SRC) -o $@
# Build the spoofer # Build the spoofer
$(HOST_EXE_SPOOFER): $(HOST_SRC_SPOOFER) | build $(HOST_EXE_SPOOFER): $(HOST_SRC_SPOOFER) | $(BUILD_DIR)
$(HOST_CC) $(HOST_CFLAGS) $(HOST_LDFLAGS) -static $^ -o $@ -ldl $(HOST_CC) $(HOST_CFLAGS) $(HOST_LDFLAGS) -static $^ -o $@ -ldl
# Build the encryptor # Build the encryptor
$(HOST_EXE_ENCRYPTOR): $(HOST_SRC_ENCRYPTOR) | build $(HOST_EXE_ENCRYPTOR): $(HOST_SRC_ENCRYPTOR) | $(BUILD_DIR)
$(HOST_CC) $(HOST_CFLAGS) $(HOST_LDFLAGS) $(HOST_INCLUDE) $(HOST_SRC_ENCRYPTOR) -o $@ $(HOST_CC) $(HOST_CFLAGS) $(HOST_LDFLAGS) $(HOST_INCLUDE) $(HOST_SRC_ENCRYPTOR) -o $@
# Build emulated object files # Build emulated object files
$(EMU_OBJ_FILES): $(EMU_SRC_FILES) $(GENERATED) | build $(EMU_OBJ_FILES): $(EMU_SRC_FILES) $(GENERATED) | $(BUILD_DIR)
$(RISCV_CC) $(RISCV_ARCH_FLAGS) -I $(dir $(GENERATED)) -I src/emulated -c $(EMU_SRC_FILES) -o $@ $(RISCV_CC) $(RISCV_ARCH_FLAGS) -I $(dir $(GENERATED)) -I src/emulated -c $(EMU_SRC_FILES) -o $@
# Encrypt license file # Encrypt license file
$(EMU_OBJ_LICENSE): $(EMU_OBJ) $(HOST_EXE_ENCRYPTOR) | build $(EMU_OBJ_LICENSE): $(EMU_OBJ) $(HOST_EXE_ENCRYPTOR) | $(BUILD_DIR)
ifneq ($(EMU_OBJ_LICENSE_IF_EXISTS),) ifneq ($(EMU_OBJ_LICENSE_IF_EXISTS),)
rm $(EMU_OBJ_LICENSE_IF_EXISTS) rm $(EMU_OBJ_LICENSE_IF_EXISTS)
endif endif
$(HOST_EXE_ENCRYPTOR) $(EMU_OBJ) $@ $(README_FILE) $(HOST_EXE_ENCRYPTOR) $(EMU_OBJ) $@ $(README_FILE)
# Build (unencrypted) license file # Build (unencrypted) license file
$(EMU_OBJ): $(EMU_OBJ_FILES) | build $(EMU_OBJ): $(EMU_OBJ_FILES) | $(BUILD_DIR)
$(RISCV_CC) $(RISCV_ARCH_FLAGS) -nostdlib -Wl,-e,entry -Wl,-Ttext=0 -Wl,--emit-relocs $(EMU_OBJ_FILES) -o $@ $(RISCV_CC) $(RISCV_ARCH_FLAGS) -nostdlib -Wl,-e,entry -Wl,-Ttext=0 -Wl,--emit-relocs $(EMU_OBJ_FILES) -o $@
# Bundle the challenge # Bundle the challenge
$(ZIP_FILE): $(HOST_EXE) $(EMU_OBJ_LICENSE) $(README_FILE) | build $(ZIP_FILE): $(HOST_EXE) $(EMU_OBJ_LICENSE) $(README_FILE) | $(BUILD_DIR)
ifneq ($(ZIP_FILE_IF_EXISTS),) ifneq ($(ZIP_FILE_IF_EXISTS),)
rm $(ZIP_FILE_IF_EXISTS) rm $(ZIP_FILE_IF_EXISTS)
endif endif
cd build && 7z a -bso0 $(CURDIR)/$@ $(notdir $^) cd $(BUILD_DIR) && 7z a -bso0 $(CURDIR)/$@ $(notdir $^)
.FORCE: .FORCE:
@@ -112,11 +113,11 @@ $(GENERATED): .FORCE
$(PYTHON_EXE) codegen/generate.py $(FLAG_FORMAT) $(FLAG_LEN) $(FLAG_SEED) > $@ $(PYTHON_EXE) codegen/generate.py $(FLAG_FORMAT) $(FLAG_LEN) $(FLAG_SEED) > $@
build: $(BUILD_DIR):
mkdir -p $@ mkdir -p $@
clean: clean:
rm -rf build rm -rf $(BUILD_DIR)
disas-risc: $(_DISAS_FILES) disas-risc: $(_DISAS_FILES)
$(RISCV_OBJDUMP) -d $^ $(RISCV_OBJDUMP) -d $^