# BUILD_CONF must be specified relative to the repo root or must be an absolute path
# BUILD_CONF defaults to ./build.conf
REPO_ROOT_REL:=$(dir $(lastword $(MAKEFILE_LIST)))
ifndef BUILD_CONF
    BUILD_CONF=$(REPO_ROOT_REL)/build.conf
    -include $(BUILD_CONF)
else
    BUILD_CONF_EFF=$(BUILD_CONF)
    ifeq ($(dir $(BUILD_CONF)),./)
        BUILD_CONF_EFF=$(REPO_ROOT_REL)/$(BUILD_CONF)
    endif
    ifeq ($(wildcard $(BUILD_CONF_EFF)),)
        $(info BUILD_CONF must be specified relative to the repo root or must be an absolute path)
        $(error file specified using BUILD_CONF ($(BUILD_CONF)) not found)
    endif
    include $(BUILD_CONF_EFF)
endif

# Build config Defaults
PREFIX?=$(HOME)
DEBUG?=debug


# Constants
BUILD_DIR = ./build
DIST_DIR = ./dist
VERSION_FILE = ./src/pEp/__version__.py
BUILD_INPLACE = ./src/pEp/_pEp.cpython-*
PYTHON_ARTIFACTS += ./.eggs
PYTHON_ARTIFACTS += ./src/pEp.egg-info
PYTHON_ARTIFACTS += ./.pytest_cache
VENV_DIR = ./_venv

ifeq ($(DEBUG),debug)
	DEBUG_OPT+=--debug
endif

ifneq ($(PREFIX),)
    PREFIX_OPT += --prefix=$(PREFIX)
endif