# -*- makefile-gmake -*-
#
# Variables:
#
#   CONFIGURE_ARGS :: arguments to be passed to ./Setup configure
#     default: --disable-optimization
#
#   RUN_COMMAND :: command to be run for "make run"
#

GHC      ?= ghc
FIND     ?= find
RM_RF    ?= rm -rf
SUDO     ?= sudo
AUTOCONF ?= autoconf
HLINT    ?= hlint

CONFIGURE_ARGS ?= --disable-optimization

SETUP_FILE := $(wildcard Setup.*hs)
CABAL_FILE := $(wildcard *.cabal)

ifeq ($(shell ls configure.ac 2>/dev/null),configure.ac)
  AUTOCONF_AC_FILE := configure.ac
  AUTOCONF_FILE    := configure
else
  ifeq ($(shell ls configure.in 2>/dev/null),configure.in)
    AUTOCONF_AC_FILE := configure.in
    AUTOCONF_FILE    := configure
  else
    AUTOCONF_AC_FILE :=
    AUTOCONF_FILE    :=
  endif
endif

BUILDINFO_IN_FILE := $(wildcard *.buildinfo.in)
BUILDINFO_FILE    := $(BUILDINFO_IN_FILE:.in=)

all: build

build: setup-config build-hook
	./Setup build

build-hook:

ifeq ($(RUN_COMMAND),)
run:
	@echo "cabal-package.mk: No command to run."
	@echo "cabal-package.mk: If you want to run something, define RUN_COMMAND variable."
else
run: build
	@echo ".:.:. Let's go .:.:."
	$(RUN_COMMAND)
endif

setup-config: dist/setup-config setup-config-hook $(BUILDINFO_FILE)

setup-config-hook:

dist/setup-config: $(CABAL_FILE) Setup $(AUTOCONF_FILE)
	./Setup configure $(CONFIGURE_ARGS)

$(AUTOCONF_FILE): $(AUTOCONF_AC_FILE)
	$(AUTOCONF)

$(BUILDINFO_FILE): $(BUILDINFO_IN_FILE) configure
	./Setup configure $(CONFIGURE_ARGS)

Setup: $(SETUP_FILE)
	$(GHC) --make Setup

clean: clean-hook
	$(RM_RF) dist Setup *.o *.hi .setup-config *.buildinfo
	$(FIND) . -name '*~' -exec rm -f {} \;

clean-hook:

doc: setup-config
	./Setup haddock

install: build
	$(SUDO) ./Setup install

sdist: setup-config
	./Setup sdist

test: build
	./Setup test

lint:
	$(HLINT) . --report \
		--ignore="Use string literal" \
		--ignore="Use concatMap"

.PHONY: build build-hook setup-config setup-config-hook run clean clean-hook install doc sdist test lint