Makefile

CC = cc
CFLAGS = -std=c99 -Wall -Werror -Wextra -pedantic -Wno-unused-parameter -g -O0
DEFINES = -D_XOPEN_SOURCE=700 -D_DEFAULT_SOURCE

TARGET = clf
SOURCES = main.c
ALL_SRCS = $(wildcard *.c)
COV_SRCS = color sixel preview draw nav os copy complete status command
HEADERS = $(wildcard *.h) $(wildcard include/*.h)
COV_TOOL = $(if $(findstring clang,$(CC)),llvm-cov gcov,gcov)
SAN_FLAGS = $(shell $(CC) -fsanitize=address -x c -E /dev/null 2>/dev/null >/dev/null && echo -n "-fsanitize=address ")$(shell $(CC) -fsanitize=undefined -x c -E /dev/null 2>/dev/null >/dev/null && echo -n "-fsanitize=undefined")

.PHONY: all clean install debug release test format run

all: $(TARGET)

$(TARGET): $(SOURCES) $(ALL_SRCS) $(HEADERS)
	$(CC) $(CFLAGS) $(DEFINES) -o $(TARGET) $(SOURCES)

run: clean $(TARGET)
	./$(TARGET)

clean:
	@rm -f $(TARGET) test/$(TARGET)-test
	@rm -rf test/coverage

install: $(TARGET)
	cp $(TARGET) ~/.local/bin/

debug: CFLAGS += -DDEBUG -O0 -fsanitize=address,undefined
debug: $(TARGET)

release: CFLAGS = -std=c99 -Wall -Werror -Wextra -pedantic -Wno-unused-parameter -O3 -flto -DNDEBUG
release: $(TARGET)

test: test/test-all.c
	@rm -rf test/coverage test/$(TARGET)-test *.gcno *.gcda *.gcov
	$(CC) $(CFLAGS) -Wno-unused-variable -Wno-unused-function --coverage $(SAN_FLAGS) $(DEFINES) -o test/$(TARGET)-test test/test-all.c
	ASAN_OPTIONS=detect_leaks=0 ./test/$(TARGET)-test
	@mkdir -p test/coverage
	@$(COV_TOOL) -o test/$(TARGET)-test-test-all.gcno color.c > /dev/null 2>&1; true
	@mv *.gcov test/coverage/ 2>/dev/null || true
	@mv test/*.gcda test/*.gcno test/coverage/ 2>/dev/null || true
	@echo ""
	@echo "Test coverage:"
	@files=""; \
	for f in $(addprefix test/coverage/,$(addsuffix .c.gcov,$(COV_SRCS))); do \
	  if [ -f "$$f" ]; then files="$$files $$f"; fi; \
	done; \
	if [ -n "$$files" ]; then \
	  awk -v srcs="$(COV_SRCS)" '\
	      BEGIN { n = split(srcs, covlist, " "); } \
	      /Source:/ { s = index($$0, "Source:"); cur = substr($$0, s + 7); \
	                  sub(/^[ \t]+/, "", cur); \
	                  execs[cur] = 0; unexs[cur] = 0; \
	                  found[cur] = 1; } \
	      /^ *[0-9]+:/ { exec += 1; execs[cur] += 1; } \
	      /^ *#####:/ { unexec += 1; unexs[cur] += 1; } \
	      END { \
	        for (i = 1; i <= n; i++) { \
	          f = covlist[i] ".c"; \
	          fe = found[f] ? execs[f] : 0; \
	          fu = found[f] ? unexs[f] : 0; \
	          ft = fe + fu; \
	          fp = ft > 0 ? fe * 100.0 / ft : 0; \
	          printf "%-12s %3d / %-3d  %5.1f%%\n", f, fe, ft, fp; \
	          total_exec += fe; total_unexec += fu; \
	        } \
	        total = total_exec + total_unexec; \
	        printf "%-12s %s\n", "", "-------"; \
	        if (total > 0) { \
	          tp = total_exec * 100.0 / total; \
	          printf "%-12s %3d / %-3d  %5.1f%%\n", "", total_exec, total, tp; \
	        } else { \
	          print "No coverage data found."; \
	        } \
	      }' $$files; \
	else \
	  for f in $(COV_SRCS); do \
	    printf "%-12s %3d / %-3d  %5.1f%%\n", "$$f.c", 0, 0, 0.0; \
	  done; \
	  echo "              -------"; \
	  echo "No coverage data found."; \
	fi

format:
	clang-format -i $(ALL_SRCS) $(HEADERS) $(wildcard test/*.c) $(wildcard test/*.h)

help:
	@echo "Available targets:"
	@echo "  all         - Build the file manager (default)"
	@echo "  clean       - Remove built files"
	@echo "  install     - Install to ~/.local/bin"
	@echo "  debug       - Build with debug symbols and address sanitizer"
	@echo "  release     - Build optimized release version"
	@echo "  run         - Clean, build, and run"
	@echo "  test        - Run all tests with coverage report (output in test/coverage/)"
	@echo "  format      - Format all source files with clang-format"
	@echo "  help        - Show this help message"