76 lines
No EOL
1.9 KiB
Makefile
76 lines
No EOL
1.9 KiB
Makefile
# Compiler to use
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CC ?= gcc
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# Add debugging output
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$(info CC is set to $(CC))
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# Separate CFLAGS and LDFLAGS
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CFLAGS = -Wall -Wextra -std=gnu17 -I include
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LDFLAGS = -lelf
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# Add potential additional library path (update this path if needed)
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LIBRARY_PATH := /usr/lib/x86_64-linux-gnu
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LDFLAGS += -L$(LIBRARY_PATH)
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# Add debugging output
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$(info CFLAGS is set to $(CFLAGS))
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$(info LDFLAGS is set to $(LDFLAGS))
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# Directory for build outputs
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BUILD_DIR := build
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# Name of the output program
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PROGRAM_NAME ?= criscv
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# Find all .c files in the source directory
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SRCS := $(wildcard src/*.c)
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# Generate corresponding .o file names in the build/obj directory
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OBJS := $(patsubst src/%.c,$(BUILD_DIR)/obj/%.o,$(SRCS))
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# Name of the final executable
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TARGET := $(BUILD_DIR)/$(PROGRAM_NAME)
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# Default target: build the executable
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all: CFLAGS += -O3
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all: $(TARGET)
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# Debug target
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debug: CFLAGS += -O0 -g
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debug: $(TARGET)
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# Declare 'all' and 'clean' as phony targets (not files)
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.PHONY: all debug clean
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# Rule to link object files into the final executable
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$(TARGET): $(OBJS) | $(BUILD_DIR)
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@echo "Linking $(TARGET)"
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@echo "Command: $(CC) $(CFLAGS) $^ -o $@ $(LDFLAGS)"
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$(CC) $(CFLAGS) $^ -o $@ $(LDFLAGS)
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@echo "Linking complete"
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du -b $(TARGET) # Size of the executable in bytes
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# Rule to compile source files into object files
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$(BUILD_DIR)/obj/%.o: src/%.c | $(BUILD_DIR)/obj
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@echo "Compiling $<"
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@echo "Command: $(CC) $(CFLAGS) -c $< -o $@"
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$(CC) $(CFLAGS) -c $< -o $@
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@echo "Compilation complete"
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# Create build directories if they don't exist
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$(BUILD_DIR) $(BUILD_DIR)/obj:
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mkdir -p $@
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# Clean target: remove the build directory
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clean:
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rm -rf $(BUILD_DIR)
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# Add a new target to print library information
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.PHONY: libinfo
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libinfo:
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@echo "Searching for libelf..."
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@find /usr -name "libelf.so*" 2>/dev/null || echo "libelf not found in /usr"
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@echo "Library search path:"
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@echo $(LD_LIBRARY_PATH)
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@echo "Compiler search path:"
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$(CC) -print-search-dirs
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