bin_PROGRAMS = ft_ping
noinst_LTLIBRARIES = libping_core.la

PING_VERSION = 0.0.1
VERSION_HEADER = $(top_srcdir)/includes/version_gen.h

# Version header: generated at build time (embeds git hash + date)
BUILT_SOURCES = $(VERSION_HEADER)
CLEANFILES = $(VERSION_HEADER)

$(VERSION_HEADER): FORCE
	@NEW_HEADER=$$(mktemp); \
	PING_BUILD_DATE=$$(git -C $(top_srcdir) log -1 --format=%cd \
		--date=format:'%Y-%m-%d %H:%M:%S' 2>/dev/null \
		|| date -u '+%Y-%m-%d %H:%M:%S'); \
	PING_GIT_COMMIT=$$(git -C $(top_srcdir) rev-parse --short HEAD 2>/dev/null \
		|| echo "nogit"); \
	if test "$$PING_GIT_COMMIT" = "nogit"; then \
		HAS_GIT=0; \
	else \
		HAS_GIT=1; \
	fi; \
	echo "/* Auto-generated - DO NOT EDIT */" > $$NEW_HEADER; \
	echo "#ifndef PING_VERSION_GEN_H" >> $$NEW_HEADER; \
	echo "#define PING_VERSION_GEN_H" >> $$NEW_HEADER; \
	echo "#define PING_VERSION \"$(PING_VERSION)\"" >> $$NEW_HEADER; \
	echo "#define PING_BUILD_DATE \"$$PING_BUILD_DATE\"" >> $$NEW_HEADER; \
	echo "#define PING_GIT_COMMIT \"$$PING_GIT_COMMIT\"" >> $$NEW_HEADER; \
	echo "#define PING_HAS_GIT_COMMIT $$HAS_GIT" >> $$NEW_HEADER; \
	echo "" >> $$NEW_HEADER; \
	echo "extern char* g_prog_name;" >> $$NEW_HEADER; \
	echo "" >> $$NEW_HEADER; \
	echo "#endif" >> $$NEW_HEADER; \
	if test ! -f $(VERSION_HEADER) || ! cmp -s $$NEW_HEADER $(VERSION_HEADER); then \
		mv $$NEW_HEADER $(VERSION_HEADER); \
		echo "[OK] Version header generated"; \
	else \
		rm -f $$NEW_HEADER; \
	fi

FORCE:
.PHONY: FORCE

libping_core_la_SOURCES = \
	cli/parse.c \
	cli/handlers/handle_count.c \
	cli/handlers/handle_preload.c \
	cli/handlers/handle_pattern.c \
	cli/handlers/handle_dont_fragment.c \
	cli/handlers/handle_linger.c \
	cli/handlers/handle_flood.c \
	cli/handlers/handle_help.c \
	cli/handlers/handle_interval.c \
	cli/handlers/handle_quiet.c \
	cli/handlers/option_map.c \
	cli/handlers/handle_size.c \
	cli/handlers/handle_timeout.c \
	cli/handlers/handle_tos.c \
	cli/handlers/handle_ttl.c \
	cli/handlers/handle_version.c \
	cli/handlers/handle_verbose.c \
	cli/parse_utils/parse_inet_addr.c \
	cli/parse_utils/parse_destinations.c \
	cli/config_free.c \
	cli/messages/help.c \
	cli/messages/version.c \
	cli/messages/error.c \
	core/ping.c \
	core/loop.c \
	core/send.c \
	core/callback.c \
	tracker/init.c \
	tracker/record_send.c \
	tracker/record_recv.c \
	output/start.c \
	output/packet.c \
	output/error.c \
	output/summary.c \
	output/flood.c \
	scheduler/scheduler_arm.c \
	scheduler/scheduler_select_tv.c \
	scheduler/scheduler_init.c \
	stats/stats_get.c \
	stats/stats_init.c \
	stats/stats_update.c

BASE_CFLAGS = -std=c99 $(STRICT_CFLAGS)

if ENABLE_DEBUG
EXTRA_CFLAGS = -g -O0
else
EXTRA_CFLAGS =
endif

if ENABLE_SANITIZERS
SANITIZER_FLAGS = -fsanitize=address,undefined
else
SANITIZER_FLAGS =
endif

PING_CPPFLAGS = \
	-I $(top_srcdir)/includes \
	-I $(top_srcdir)/libicmp/includes \
	-I $(top_srcdir)/libcli/include \
	-D_GNU_SOURCE

PING_CFLAGS = $(BASE_CFLAGS) $(EXTRA_CFLAGS) $(SANITIZER_FLAGS)

libping_core_la_CPPFLAGS = $(PING_CPPFLAGS)
libping_core_la_CFLAGS   = $(PING_CFLAGS)

ft_ping_SOURCES  = main.c
ft_ping_CPPFLAGS = $(PING_CPPFLAGS)
ft_ping_CFLAGS   = $(PING_CFLAGS)
ft_ping_LDFLAGS  = $(SANITIZER_FLAGS)
ft_ping_LDADD    = \
	libping_core.la \
	$(top_srcdir)/libicmp/libicmp.a \
	$(top_builddir)/libcli/src/libcli.la \
	-lm

# Build libicmp (simple Makefile) before linking
$(top_srcdir)/libicmp/libicmp.a: FORCE
	$(MAKE) -C $(top_srcdir)/libicmp BUILD_STATIC=yes BUILD_SHARED=no