# Check if QPACKAGE_ROOT is defined

ifndef QPACKAGE_ROOT
$(info  -------------------- Error --------------------)
$(info  QPACKAGE_ROOT undefined. Run the setup_environment.sh script)
$(info  -----------------------------------------------)
$(error )
endif


# Check if the user's config exists

MAKEFILE_OK=$(shell ls $(QPACKAGE_ROOT)/src/Makefile.config 2> /dev/null && echo True || echo False)
ifeq ($(MAKEFILE_OK),False)
$(info  -------------------- Error --------------------)
$(info Makefile.config is not present.)
$(info You can create Makefile.config)
$(info by modifying Makefile.config.example)
$(info  -----------------------------------------------)
$(error )
endif


# Include the user's config

include $(QPACKAGE_ROOT)/src/Makefile.config


# Check the  version of IRPF90

IRP_VERSION_OK=$(shell $(IRPF90) -v | python -c "import sys ; print float(sys.stdin.readline().rsplit('.',1)[0]) >= 1.3")
ifeq ($(IRP_VERSION_OK),False)
$(info  -------------------- Error --------------------)
$(info  IRPF90 version >= 1.3 is required)
$(info  -----------------------------------------------)
$(error )
endif


# Create the NEEDED_MODULES variable, needed for IRPF90

NEEDED_MODULES=$(shell cat NEEDED_MODULES)


# Check if the NEEDED_MODULES file is consistent

NEEDED_MODULES_OK=$(shell X=`$(QPACKAGE_ROOT)/scripts/check_dependencies.sh $(NEEDED_MODULES)` && echo OK || echo $$X)
ifneq ($(NEEDED_MODULES_OK),OK)
$(info  -------------------- Error --------------------)
$(info Your NEEDED_MODULES file is inconsistent. It should be)
$(info $(NEEDED_MODULES_OK))
$(info  -----------------------------------------------)
$(error )
endif


# Check and update dependencies

include Makefile.depend


# Check if README.rst exists

README_RST_OK=$(shell ls README.rst 2>/dev/null || echo False)
ifeq ($(README_RST_OK), False)
$(shell $(QPACKAGE_ROOT)/scripts/create_rst_templates.sh)
$(info  -------------------- Error --------------------)
$(info  README.rst was not present, so I created a)
$(info  default one for you.)
$(info  You should document it before you compile, as)
$(info  well as the ASSUMPTIONS.rst file.)
$(info  -----------------------------------------------)
$(error )
endif


# Check if ASSUMPTIONS.rst exists

ASSUMPTIONS_RST_OK=$(shell ls ASSUMPTIONS.rst || echo False)
ifeq ($(ASSUMPTIONS_RST_OK), False)
$(info  -------------------- Error --------------------)
$(info This is a Bug. At that point, the ASSUMPTIONS.rst)
$(info file should exist.)
$(info  -----------------------------------------------)
endif


# Define the Makefile common variables and rules

EZFIO_DIR=$(QPACKAGE_ROOT)/EZFIO
EZFIO=$(EZFIO_DIR)/lib/libezfio_irp.a
INCLUDE_DIRS=$(NEEDED_MODULES) include

$(EZFIO): $(wildcard $(QPACKAGE_ROOT)/src/*.ezfio_config) $(wildcard $(QPACKAGE_ROOT)/src/*/*.ezfio_config)
	@echo Building EZFIO library
	@cp $(wildcard $(QPACKAGE_ROOT)/src/*.ezfio_config) $(wildcard $(QPACKAGE_ROOT)/src/*/*.ezfio_config) $(EZFIO_DIR)/config 
	@cd $(EZFIO_DIR) ; export FC="$(FC)" ; export FCFLAGS="$(FCFLAGS)" ; export IRPF90="$(IRPF90)" ; $(MAKE) ; $(MAKE) Python

ezfio: $(EZFIO)

# Create symbolic links of other modules

ifneq ($(PWD),$(QPACKAGE_ROOT)/src)
$(shell $(QPACKAGE_ROOT)/scripts/prepare_module.sh $(INCLUDE_DIRS))
clean_links:
	rm -f $(INCLUDE_DIRS) $$(basename $$PWD)
else
clean_links:
endif

LIB+=$(EZFIO) $(MKL)
IRPF90+=$(patsubst %, -I %, $(INCLUDE_DIRS)) $(IRPF90_FLAGS)

irpf90.make: $(filter-out IRPF90_temp/%, $(wildcard */*.irp.f)) $(wildcard *.irp.f) $(wildcard *.inc.f) Makefile $(EZFIO) NEEDED_MODULES $(wildcard *.py) 
	- $(IRPF90)
	- update_README.py

Makefile.depend: Makefile
	$(QPACKAGE_ROOT)/scripts/create_Makefile_depend.sh

include irpf90.make

# Check that there is no file named test.irp.f
ifeq (test.irp.f, $(wildcard test.irp.f))
$(info  -------------------- Error --------------------)
$(info  Having a file named test.irp.f is not allowed)
$(info  because 'make test' should run the tests.)
$(info  -----------------------------------------------)
$(error )
endif

test:
	DEBUG=1 make -j 1 -C tests

# Dummy rule to enable to force recompilation
FORCE:

clena: clean

vercylean: veryclean
veryclena: veryclean