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ifeq ($(LLVM),1)
LLVM = 1
CC = clang
LD = ld.lld
else
LLVM = 0
CC = gcc
LD = ld
endif
CFLAGS = \
-O2 \
-std=c2x \
-Wall \
-Wextra \
-Werror
LDFLAGS = -pthread -lrt
ifeq ($(DEBUG),1)
DEBUG = 1
CFLAGS += -g -fsanitize=address,leak,undefined
else
DEBUG = 0
CFLAGS += -flto
LDFLAGS += -flto
endif
ifeq ($(SECURITY),1)
SECURITY = 1
CFLAGS += \
-fwrapv \
-fno-strict-aliasing \
-fno-delete-null-pointer-checks \
-D_FORTIFY_SOURCE=2 \
-fstack-protector-strong \
-fPIE -fPIC -fpic \
-fno-builtin-fprintf -fno-builtin-fwprintf \
-fno-builtin-printf -fno-builtin-snprintf \
-fno-builtin-sprintf -fno-builtin-swprintf \
-fno-builtin-wprintf \
-fno-builtin-memcpy -fno-builtin-memmove \
-fno-builtin-memset -fno-builtin-strcat \
-fno-builtin-strcpy -fno-builtin-strncat \
-fno-builtin-strncpy -fno-builtin-wcscat \
-fno-builtin-scwcpy -fno-builtin-wcsncat \
-fno-builtin-wcsncpy -fno-builtin-wmemcpy \
-fno-builtin-wmemmove -fno-builtin-wmemset \
-Warray-bounds \
-Wdiv-by-zero \
-Wshift-count-negative -Wshift-count-overflow \
-fstack-protector
ifeq ($(LLVM),0)
CFLAGS += -fwrapv-pointer \
-Wclobbered
endif
else
SECURITY = 0
endif
ARGS = $(LLVM) $(DEBUG) $(SECURITY)
.PHONY: all clean controller worker test analyze phony
all: build/controller build/worker
clean:
@rm -rf build
controller: build/controller
worker: build/worker
build/%.o: %.c build/ARGS
@mkdir -p $(@D)
@$(CC) $(CFLAGS) -c $(patsubst build/ARGS,,$^) -o $@
build/%: %.c build/lib.o build/ARGS
@mkdir -p $(@D)
@$(CC) $(CFLAGS) $(LDFLAGS) $(patsubst build/ARGS,,$^) -o $@ -lm
build/lib.o: $(patsubst %.c,build/%.o,$(shell find lib -type f -name '*.c' -print))
@mkdir -p $(@D)
@$(LD) -r $^ -o $@
ARGS_state = $(shell cat build/ARGS)
build/ARGS: phony
@mkdir -p $(@D)
@if [ '$(ARGS_state)' == '$(ARGS) ' ]; then \
echo "not changed"; \
else \
echo -n "$(ARGS)" >build/ARGS; \
echo changed, recompile; \
fi
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