# QT_SUBDIRS       .. subdirectories where to build QT applications using qmake
# QTDIR		   .. where QT resides

ifneq ($(QT_SUBDIRS),)

.PHONY: qt-subpass clean-qt distclean-qt

# Usage: $(call qt_makefile_template,<qt-subdir>)
define qt_makefile_template
$(SOURCES_DIR)/$(1)/Makefile: $(wildcard $(SOURCES_DIR)/$(1)/*.pro)
	cd $(SOURCES_DIR)/$(1); $(QTDIR:%=%/bin/)qmake TOP_DIR=$(OUTPUT_DIR) \
	     RELATIVE_DIR=$(RELATIVE_PREFIX)$(1) $(QTDIR:%=QTDIR=%) CC=$(CC) \
	     CXX=$(CXX) LIBS+="-L$(USER_LIB_DIR)" INCLUDEPATH+="$(USER_INCLUDE_DIR)"
endef
$(foreach dir,$(QT_SUBDIRS), $(eval $(call qt_makefile_template,$(dir))))

qt-subpass: $(foreach dir,$(QT_SUBDIRS), $(SOURCES_DIR)/$(dir)/Makefile)
	$(foreach dir,$(QT_SUBDIRS),\
		$(MAKE) SOURCES_DIR=$(SOURCES_DIR)/$(dir) \
		RELATIVE_DIR=$(RELATIVE_PREFIX)$(dir) -C $(SOURCES_DIR)/$(dir) \
		-f $(SOURCES_DIR)/$(dir)/Makefile || exit 1 ;)

# Hook to binary pass
binary-pass-submakes: qt-subpass

# Hook to clean pass
clean-local: clean-qt
clean-qt:
	+@$(foreach dir, $(QT_SUBDIRS), \
		$(if $(wildcard $(SOURCES_DIR)/$(dir)/Makefile), \
		@$(QUIET_CMD_ECHO) "  CLEAN   $(dir)"; \
		$(MAKE) SOURCES_DIR=$(SOURCES_DIR)/$(dir) \
		RELATIVE_DIR=$(RELATIVE_PREFIX)$(dir) -C $(SOURCES_DIR)/$(dir) \
		-f $(SOURCES_DIR)/$(dir)/Makefile clean|| exit 1 ;))


# Hook to distclean
distclean: distclean-qt

# TODO: Add distclean-qt-pass to handle QT_SUBDIRS in the whole
# tree. This way we only distclean toplevel subdirs.
distclean-qt:
	+@$(foreach dir, $(QT_SUBDIRS), \
		$(if $(wildcard $(SOURCES_DIR)/$(dir)/Makefile), \
		@$(QUIET_CMD_ECHO) "  DISTCLEAN $(dir)"; \
		$(MAKE) SOURCES_DIR=$(SOURCES_DIR)/$(dir) \
		RELATIVE_DIR=$(RELATIVE_PREFIX)$(dir) -C $(SOURCES_DIR)/$(dir) \
		-f $(SOURCES_DIR)/$(dir)/Makefile distclean|| exit 1 ;))
endif

# Local Variables:
# mode:makefile
# End: