# Compiler and flags
# Compiler & Language Standard
CC      := gcc
CFLAGS  := -std=c11 -D_POSIX_C_SOURCE=200809L

# --- PERFORMANCE FLAGS ---
CFLAGS  += -O3 -flto -fomit-frame-pointer -march=native

# --- SAFETY & STRICT WARNING FLAGS ---
CFLAGS  += -Wall -Wextra -Wpedantic -Werror \
           -Wconversion -Wsign-conversion -Wshadow -Wformat=2

# --- HARDENING & RUNTIME PROTECTION FLAGS ---
CFLAGS  += -fstack-protector-strong -D_FORTIFY_SOURCE=2

# --- LINKER FLAGS (LTO & Strip) ---
LDFLAGS := -flto -O3 -Wl,-s
TARGET  := ud
SRC     := main.c
OBJ     := $(SRC:.c=.o)

# Default rule
all: $(TARGET)

# Link binary
$(TARGET): $(OBJ)
	$(CC) $(CFLAGS) -o $@ $^

# Compile source files to object files
%.o: %.c
	$(CC) $(CFLAGS) -c $< -o $@

# Install binary to user's local bin path (~/.local/bin)
install: $(TARGET)
	@mkdir -p $(HOME)/.local/bin
	install -m 755 $(TARGET) $(HOME)/.local/bin/$(TARGET)
	@echo "Installed $(TARGET) to $(HOME)/.local/bin/"

# Uninstall binary from local bin path
uninstall:
	rm -f $(HOME)/.local/bin/$(TARGET)
	@echo "Removed $(TARGET) from $(HOME)/.local/bin/"

# Clean build directory
clean:
	rm -f $(OBJ) $(TARGET)

.PHONY: all clean install uninstall