CXX = c++
CXXFLAGS = -Wall -Wextra -O3 -Isrc
LDFLAGS = -static
SRC_DIR = src
OBJ_DIR = build
BIN_DIR = bin
SRC_EXT = cpp
OBJ_EXT = o

# Find all source files recursively in subdirectories
SOURCES = $(shell find $(SRC_DIR) -name '*.$(SRC_EXT)')
# Create corresponding object files maintaining directory structure
OBJECTS = $(SOURCES:$(SRC_DIR)/%.$(SRC_EXT)=$(OBJ_DIR)/%.$(OBJ_EXT))
EXEC = $(BIN_DIR)/fissh

# Get all unique subdirectories for build structure
OBJ_DIRS = $(sort $(dir $(OBJECTS)))

all: $(EXEC)

$(EXEC): $(OBJECTS)
	@mkdir -p $(BIN_DIR)
	$(CXX) $(OBJECTS) -o $(EXEC) $(LDFLAGS)

# Create object files, maintaining directory structure
$(OBJ_DIR)/%.$(OBJ_EXT): $(SRC_DIR)/%.$(SRC_EXT)
	@mkdir -p $(dir $@)
	$(CXX) $(CXXFLAGS) -c $< -o $@

clean:
	rm -rf $(OBJ_DIR) $(BIN_DIR)

install: $(EXEC)
	install -m 755 $(EXEC) /usr/local/bin/

.PHONY: all clean install