PACKAGE_NAME    = ddns
PACKAGE_VERSION = 0.01

DESTDIR    =
PREFIX     = /usr
SYSCONFDIR = /etc
BINDIR     = $(PREFIX)/bin
LIBDIR     = $(PREFIX)/lib
LOCALEDIR  = $(PREFIX)/share/locale

# Get the version and configuration of the python interpreter.
PYTHON_VERSION = $(shell python -c "import platform; print '.'.join(platform.python_version_tuple()[:2])")
ifeq "$(PYTHON_VERSION)" ""
  $(error Could not determine the version of the python interpreter.)
endif
PYTHON_DIR = $(LIBDIR)/python$(PYTHON_VERSION)/site-packages/ddns

VERSION_FILE = ddns/__version__.py

###
# Translation stuff
###
# A list of all files that need translation
TRANSLATION_FILES = $(wildcard ddns/*.py) ddns.py

POT_FILE = po/$(PACKAGE_NAME).pot
PO_FILES = $(wildcard po/*.po)
MO_FILES = $(patsubst %.po,%.mo,$(PO_FILES))

################################################################################

all: $(POT_FILE) $(MO_FILES)
	@: # Do nothing else.

$(VERSION_FILE): Makefile
	echo "# this file is autogenerated by the build system" > $(VERSION_FILE)
	echo "CLIENT_VERSION = \"$(PACKAGE_VERSION)\"" >> $(VERSION_FILE)

install: $(VERSION_FILE) $(MO_FILES)
	# Install the main command.
	-mkdir -pv $(DESTDIR)$(BINDIR)
	install -v -m 755 ddns.py $(DESTDIR)$(BINDIR)/ddns

	# Install python module.
	-mkdir -pv $(DESTDIR)$(PYTHON_DIR)
	install -v -m 644 ddns/*.py $(DESTDIR)$(PYTHON_DIR)

	# Install the example configuration file.
	-mkdir -pv $(DESTDIR)$(SYSCONFDIR)
	install -v -m 640 ddns.conf $(DESTDIR)$(SYSCONFDIR)/ddns.conf

	# Install translation files.
	-mkdir -pv $(DESTDIR)$(LOCALEDIR)
	for file in $(MO_FILES); do \
		lang=$${file/.mo/}; \
		mkdir -pv $(DESTDIR)$(LOCALEDIR)/$${lang}/LC_MESSAGES; \
		install -v -m 644 $${file} \
			$(DESTDIR)$(LOCALEDIR)/$${lang}/LC_MESSAGES/$(PACKAGE_NAME).mo; \
	done

# Cleanup temporary files.
clean:
	rm -f $(VERSION_FILE)
	rm -f $(MO_FILES)

# Translation stuff.
$(POT_FILE): $(TRANSLATION_FILES) Makefile
	xgettext --language python -d $(PACKAGE_NAME) -k_ -kN_ \
                -o $@ --add-comments --from-code=UTF-8 $^

# Compile gettext dictionaries from translation files.
%.mo: %.po $(POT_FILE)
	msgfmt -o $@ $<