SHELL       := @SHELL@

# Support out-of-tree builds
srcdir      := @srcdir@
VPATH       := @srcdir@

prefix      := @prefix@
exec_prefix := @exec_prefix@
datarootdir := @datarootdir@
bindir      := @bindir@
datadir     := @datadir@
sysconfdir  := @sysconfdir@
libdir      := @libdir@
sbindir     := @sbindir@
localstatedir := @localstatedir@
CXX      := @CXX@
# CXXFLAGS are for the main binary, so don't use them here, use MODFLAGS instead
MODFLAGS := @CPPFLAGS@ @MODFLAGS@ -I$(srcdir)/..
MODLINK  := @MODLINK@
LDFLAGS  := @LDFLAGS@
# LIBS are not and should not be used in here.
# The znc binary links already against those.
# LIBS     := @LIBS@
PERL     := @PERL_BINARY@
MODDIR   := @MODDIR@
DATADIR  := @DATADIR@
LIBZNC   := @LIBZNC@
LIBZNCDIR:= @LIBZNCDIR@

TCL_FLAGS:= @TCL_FLAGS@

ifneq "$(LIBZNC)" ""
LDFLAGS += -L.. -lznc -Wl,-rpath,$(LIBZNCDIR)
endif

FILES    := $(notdir $(wildcard $(srcdir)/*.cpp))
# If extra is enabled
ifeq "@EXTRA@" "yes"
FILES    += $(addprefix extra/, $(notdir $(wildcard $(srcdir)/extra/*.cpp)))
endif

FILES    := $(basename $(FILES))

ifeq "@NOSSL@" "1"
FILES    := $(foreach file, $(FILES), \
	$(if $(shell grep REQUIRESSL $(srcdir)/$(file).cpp), \
		, \
		$(basename $(file)) \
	))
endif

ifneq "$(PERL)" ""
# We execute this now so that we see the 'beauty' of these flags in make's output
modperlFLAGS := $(shell $(PERL) -MExtUtils::Embed -e perl_inc -e ldopts)
# Perl API is ugly, casting string literals to char* and redeclaring functions :(
modperlFLAGS += -Wno-write-strings -Wno-redundant-decls -Wno-missing-declarations
PERLHOOK     := modperl_install
else
FILES    := $(shell echo $(FILES) | sed -e "s/modperl//")
endif

ifeq "@SASL@" ""
FILES    := $(shell echo $(FILES) | sed -e "s:extra/saslauth::")
endif
saslauthFLAGS := -lsasl2

ifeq "@CHARSET@" ""
FILES    := $(shell echo $(FILES) | sed -e "s:extra/charset::")
endif
charsetFLAGS := @LIBICONV@

ifeq "$(TCL_FLAGS)" ""
FILES       := $(shell echo $(FILES) | sed -e "s:extra/modtcl::")
else
TCLHOOK     := modtcl_install
endif
modtclFLAGS := $(TCL_FLAGS)


TARGETS  := $(addsuffix .so, $(FILES))

CLEAN    := *.so extra/*.so

.PHONY: all clean install modperl_install

all: $(TARGETS)

install: all create_install_dir install_metadirs $(PERLHOOK) $(TCLHOOK)
	install -m 0755 $(TARGETS) $(DESTDIR)$(MODDIR)

create_install_dir:
	mkdir -p $(DESTDIR)$(MODDIR)
	mkdir -p $(DESTDIR)$(DATADIR)
	rm -rf $(DESTDIR)$(MODDIR)/*.so

install_metadirs: create_install_dir
	for a in $(srcdir)/*; do \
		d=$$(echo $$a | sed -e "s:$(srcdir)/::g"); \
		if [ -d $$a ] && [ -f $${d}.so ]; then \
			cp -Rp $$a $(DESTDIR)$(DATADIR); \
		fi \
	done

clean:
	rm -rf $(CLEAN)

%.so: %.cpp Makefile
	@mkdir -p .depend
	@mkdir -p extra
	$(CXX) $(MODFLAGS) $(LDFLAGS) $(MODLINK) -o $@ $< $($(notdir $(basename $@))FLAGS) -MMD -MF .depend/$(notdir $@).dep

modperl_install: create_install_dir
	for i in $(srcdir)/*.pm; do \
		install -m 0644 $$i $(DESTDIR)$(MODDIR); \
	done

modtcl_install:
	mkdir -p $(DESTDIR)$(DATADIR)/modtcl/
	install -m 0644 $(srcdir)/extra/modtcl.tcl $(srcdir)/extra/binds.tcl $(DESTDIR)$(DATADIR)/modtcl/

uninstall:
	# Yes, we are lazy, just remove everything in there
	rm -rf $(DESTDIR)$(MODDIR)/*
	rm -rf $(DESTDIR)$(DATADIR)/*
	rmdir $(DESTDIR)$(MODDIR)
	rmdir $(DESTDIR)$(DATADIR)

-include $(wildcard .depend/*.dep)