#!/usr/bin/make -f

export DH_VERBOSE=1

%:
	dh $@ 


# We do potentially two builds: one the default Fortran (typically gfortran,
# but potentially another, eg FC=ifort ) and one the flang compiler
BUILDDIR=debian/build
BUILDDIR_FLANG=debian/build-flang

CXXFLAGS=$(shell dpkg-buildflags --get CXXFLAGS)
FCFLAGS=$(shell dpkg-buildflags --get FCFLAGS)

CXXFLAGS+=-O3

ifeq ($(FC),f77)
  FC:=$(shell basename $(shell readlink /etc/alternatives/f95))
endif

ifneq ($(filter flang,$(FC)),)
FCFLAGS += -fPIC
endif

DO_FLANG:=$(if $(wildcard /usr/bin/flang),true, false)

# Drop '-g' flag with flang. Known failure with 2018122 version
ifneq ($(filter flang,$(FC)),)
FCFLAGS=$(shell dpkg-buildflags --get FCLAGS |  sed -e 's/-g //')
endif

override_dh_auto_clean:
	rm -rf debian/build*
	dh_auto_clean

override_dh_auto_configure:
	dh_auto_configure --builddirectory=$(BUILDDIR) - -- --enable-shared   
	$(DO_FLANG) && ( dh_auto_configure --builddirectory=$(BUILDDIR_FLANG) \
		-- --enable-shared  F77=flang FC=flang ) || true

override_dh_auto_build:
	dh_auto_build --builddirectory=$(BUILDDIR)
	$(DO_FLANG) && ( dh_auto_build --builddirectory=$(BUILDDIR_FLANG) ) || true

override_dh_auto_install:
	dh_auto_install --builddirectory=$(BUILDDIR)
	$(DO_FLANG) && ( dh_auto_build --builddirectory=$(BUILDDIR_FLANG) ) || true
	rm -rf debian/tmp/usr/lib/*/*.la debian/tmp/usr/lib/*/qd


get-orig-source:
	uscan --force-download