all: clean build

haddock_opt = --hyperlink-source --haddock-options=--css=../devel/black.css

v1 = $$(case $(shell cabal --numeric-version) in \
          3.*|2.4.*) \
            echo 'v1-'; \
            ;; \
          0.*|1.*|2.0.*|2.2.*) \
            ;; \
          *) \
            ;; \
        esac)


ncpu = $(shell cat /proc/cpuinfo | egrep '^processor' | wc -l)
njobs = $(shell expr $(ncpu) '*' 3 '/' 4)
ghc_version = $(shell ghc --numeric-version)
jobs = $$(case $(ghc_version) in \
            7.4.*|7.6.*) \
              ;; \
            *) \
              echo -j$(njobs); \
              ;; \
          esac)

gc = $$(case $(ghc_version) in \
            7.4.*|7.6.*) \
              ;; \
            7.8.*|7.10.*|8.0.*) \
              echo --ghc-option=+RTS --ghc-option=-qg --ghc-option=-RTS; \
              ;; \
            *) \
              echo --ghc-option=+RTS --ghc-option=-qn2 --ghc-option=-RTS; \
              ;; \
          esac)

build:
	cabal $(v1)configure -O0 --enable-tests
	cabal $(v1)build $(jobs) --ghc-option=-Wall $(gc)
	cabal $(v1)haddock $(haddock_opt)
	cabal $(v1)test

haddock:
	cabal $(v1)configure
	cabal $(v1)haddock $(haddock_opt)

check:
	cabal check

info:
	@echo v1prefix=$(v1)
	@echo jobs=$(jobs)
	@echo gc=$(gc)

wc:
	make clean-hs
	test ! -d src || find src -name '*.hs' | xargs wc

clean:
	make clean-hs
	cabal $(v1)clean
	[ ! -d .debian-build ] || rm -r .debian-build
	[ ! -d .stack-work ] || rm -r .stack-work
	test ! -d src || find src \( -name '*.o' -o -name '*.hi' -o -name '*.dyn_o' -o  -name '*.dyn_hi' \) -exec rm {} \;

clean-hs:
	test ! -d src || find src -name '*_flymake.hs' -exec rm {} \;