# == Variables for inter-project-communication

# -- What do I know about myself?
VERSION_FILE          ?= $(firstword $(wildcard VERSION $(TOPDIR)/VERSION))
DEVELOPMENT           ?= $(shell grep -q 'dev' $(VERSION_FILE) && echo true)

# -- Conclude the build system's location:
CVS_PROJ_DIR          ?= $(TOPDIR)/..
ifeq ($(DEVELOPMENT),true)
  PROJECTS_DIR        ?= $(CVS_PROJ_DIR)
else
  PROJECTS_DIR        ?= /opt
endif
MOD_SCRIPT_DIR        ?= $(firstword $(wildcard $(MODDIR)/scripts $(MODDIR)/bin))

# -- Query the build system about other projects:
PYTHON                ?= /usr/bin/python
proj_query_cmd         = $(PYTHON) $(MOD_SCRIPT_DIR)/projects.py -p $(PROJECTS_DIR) -t $(TOPDIR) $(PROJECTS_PY_EXTRA_ARGS)
proj_query             = $(shell $(proj_query_cmd) $(1))
proj_dir               = $(call proj_query,proj-dir $(1))
htdocs_dir             = $(call proj_query,htdocs-dir $(1))