Makefile

CC      ?= gcc
VERSION ?= 1.0.0
MANDIR  ?= /usr/share/man
CFLAGS  ?= -std=c17 -Wall -Wextra -Werror -O2 -D_DEFAULT_SOURCE -DVERSION=\"$(VERSION)\"
LDFLAGS ?= -lmagic
SRCDIR  = src
OBJDIR  = obj
TARGET  = cmc
DEB_HOST_MULTIARCH := $(shell dpkg-architecture -qDEB_HOST_MULTIARCH 2>/dev/null || echo x86_64-linux-gnu)

# If libmagic-dev is not installed system-wide, set MAGIC_DIR to the
# extracted libmagic-dev package path, e.g.:
#   make MAGIC_DIR=/tmp/libmagic-dev/usr
ifdef MAGIC_DIR
CFLAGS  += -I$(MAGIC_DIR)/include
LDFLAGS ?= -L$(MAGIC_DIR)/lib/$(DEB_HOST_MULTIARCH) -lmagic -Wl,-rpath,$(MAGIC_DIR)/lib/$(DEB_HOST_MULTIARCH)
endif

SRCS = $(SRCDIR)/main.c $(SRCDIR)/args.c $(SRCDIR)/scan.c \
       $(SRCDIR)/filters.c $(SRCDIR)/output.c $(SRCDIR)/clipboard.c \
       $(SRCDIR)/buffer.c
OBJS = $(SRCS:$(SRCDIR)/%.c=$(OBJDIR)/%.o)

.PHONY: all clean install check

all: $(TARGET)

$(OBJDIR):
	mkdir -p $(OBJDIR)

$(OBJDIR)/%.o: $(SRCDIR)/%.c | $(OBJDIR)
	$(CC) $(CFLAGS) -c -o $@ $<

$(TARGET): $(OBJS)
	$(CC) $(CFLAGS) -o $@ $^ $(LDFLAGS)

clean:
	rm -rf $(OBJDIR) $(TARGET)

install: $(TARGET)
	install -d $(DESTDIR)/usr/bin
	install -m 755 $(TARGET) $(DESTDIR)/usr/bin/cmc
	install -d $(DESTDIR)/usr/share/doc/cmc
	install -m 644 .cmc_excludes.example $(DESTDIR)/usr/share/doc/cmc/cmc_excludes.example
	install -d $(DESTDIR)$(MANDIR)/man1
	install -m 644 man/cmc.1 $(DESTDIR)$(MANDIR)/man1/cmc.1
	HOME_DIR=$${SUDO_USER:+$$(getent passwd "$$SUDO_USER" | cut -d: -f6)}; \
	if [ -z "$$HOME_DIR" ]; then HOME_DIR="$$HOME"; fi; \
	if [ -n "$$HOME_DIR" ]; then \
		CONFIG_DIR="$$HOME_DIR/.config/cmc"; \
		if [ ! -f "$$CONFIG_DIR/.cmc_excludes" ]; then \
			mkdir -p "$$CONFIG_DIR" && \
			cp .cmc_excludes.example "$$CONFIG_DIR/.cmc_excludes" && \
			echo "cmc: created $$CONFIG_DIR/.cmc_excludes"; \
		fi; \
	fi

check: $(TARGET)
	@cd tests && for t in *.sh; do echo "Running $$t..."; bash "$$t" || exit 1; done
	@echo "All tests passed."