Makefile.common

# This file is part of Quipper. Copyright (C) 2011-2014. Please see the
# file COPYRIGHT for a list of authors, copyright holders, licensing,
# and other details. All rights reserved.
# 
# ======================================================================

# COMMON MAKEFILE - this is included by the Algorithm, Libraries, and
# Programs Makefiles.
# 
# ----------------------------------------------------------------------
# Setting up compilers and compiler flags. These can be overridden on
# the command line, e.g. "make QUIPPER=/path/to/quipper"

THISDIR=$(CURDIR)
BASEDIR_REL:=$(THISDIR)/$(BASEDIR)
BASEDIR_ABS:=$(shell cd "$(BASEDIR_REL)"; pwd -P)
QUIPPERDIR:=$(BASEDIR_ABS)/quipper

QUIPPER:="$(QUIPPERDIR)/scripts/quipper"

# resource related compiler options
QUIPPER_RES_OPTS:=-rtsopts -with-rtsopts=-K50m

# optimization related compiler options
QUIPPER_OPT_OPTS:=-O

# import related compiler options
QUIPPER_I_OPTS:=-i"$(QUIPPERDIR)" -i"$(BASEDIR_ABS)"

# other compiler options
QUIPPER_GEN_OPTS:=-fwarn-incomplete-patterns -Werror

# default options
QUIPPER_OPTS:=$(QUIPPER_OPT_OPTS) $(QUIPPER_RES_OPTS) $(QUIPPER_I_OPTS) $(QUIPPER_GEN_OPTS)

# ----------------------------------------------------------------------
# Restrict the search path for make
.SUFFIXES:
.SUFFIXES: .hs .html

# ----------------------------------------------------------------------
# Default rule

all: $(TARGET)

# ----------------------------------------------------------------------
# Faster compilation: "make fast <target>" will skip optimization

fast: 
	$(eval QUIPPER_OPT_OPTS :=)

# ----------------------------------------------------------------------
# Building the main executable

ifdef MAIN

# Build a program
$(TARGET): $(MODULES)
	@if test -z "$(SUBDIR)"; then echo "Error: SUBDIR must be set" >& 2; exit 1; fi	
	echo "import qualified $(MAIN_IS)" > MainStub.hs
	echo "main = $(MAIN_IS).main" >> MainStub.hs
	cd $(BASEDIR_ABS); $(QUIPPER) $(QUIPPER_OPTS) -o "$(SUBDIR)/$(TARGET)" "$(SUBDIR)/MainStub.hs" && touch -c "$(SUBDIR)/$(TARGET)"
	rm -f MainStub.hs

else
ifdef MULTIPLE_MAINS

# Build multiple programs
$(TARGET): $(MODULES)
	@if test -z "$(SUBDIR)"; then echo "Error: SUBDIR must be set" >& 2; exit 1; fi	
	cd $(BASEDIR_ABS); $(QUIPPER) $(QUIPPER_OPTS) -i"$(SUBDIR)" "$(@:%=$(SUBDIR)/%.hs)" && touch -c "$(@:%=$(SUBDIR)/%)"

else

# Build libraries
$(TARGET):
	@if test -z "$(SUBDIR)"; then echo "Error: SUBDIR must be set" >& 2; exit 1; fi	
	cd $(BASEDIR_ABS); $(QUIPPER) $(QUIPPER_OPTS) $(@:%.hi=$(SUBDIR)/%.hs) && touch -c $(@:%.hi=$(SUBDIR)/%.hi)

endif
endif

# ----------------------------------------------------------------------
# Dependencies

include Makefile.dep

# ----------------------------------------------------------------------
# Integrate with other Makefiles

$(QUIPPERDIR)/Quipper.hi: 
	cd $(QUIPPERDIR); $(MAKE) Quipper.hi

# ----------------------------------------------------------------------
# Cleaning

tidy:
	for dir in . $(CLEAN_SUBDIRS); do \
	    rm -f "$$dir"/*.o "$$dir"/*.hi "$$dir"/*.dyn_o "$$dir"/*.dyn_hi; \
	done
	rm -f MainStub.hs

clean: tidy
	rm -f $(TARGET) $(TARGET:%=%.exe)