#!/usr/bin/make -f

export DH_VERBOSE=1

export DEB_BUILD_MAINT_OPTIONS=hardening=+all

files=goo/parseargs xpdf/xfile xpdf/XPDFParams xpdf/CoreOutputDev xpdf/PDFCore
files+=xpdf/XPDFApp xpdf/XPDFCore xpdf/XPDFTree xpdf/XPDFViewer xpdf/xpdf
headers=xpdf/config.h xpdf/XPDFTreeP.h xpdf/about-text.h xpdf/*.xbm xpdf/xpdfIcon.xpm
includes=$(strip $(shell $(DEB_HOST_GNU_TYPE)-pkg-config --cflags poppler))

CXX=$(DEB_HOST_GNU_TYPE)-g++
LIBS+=-lXm -lpaper $(shell $(DEB_HOST_GNU_TYPE)-pkg-config --libs poppler --libs xt --libs x11) -pthread
CPPFLAGS+=$(includes) $(includes)/goo $(includes)/splash
CPPFLAGS+=-Wno-write-strings -Wno-format-extra-args -Wfatal-errors
CPPFLAGS+=-DHAVE_DIRENT_H -DHAVE_PAPER_H -DSYSTEM_XPDFRC=\"/etc/xpdf/xpdfrc\"

sources=$(sort $(shell for file in $(files); do echo $$file.*; done))
objects=$(sort $(shell for file in $(files); do echo build/$$(basename $$file).o; done))

override_dh_clean:
	dh_clean
	rm -rf build xpdf/xfile.* xpdf/XPDFParams.*

xpdf/xfile.%: goo/gfile.%
	cp $< $@
	sed -e s/GFILE/XFILE/g -i $@

xpdf/XPDFParams.%: xpdf/GlobalParams.%
	cp $< $@
	sed -e s/globalParams/xpdfParams/g -e s/GlobalParams/XPDFParams/g \
	    -e s/GLOBALPARAMS/XPDFPARAMS/g -e s/popplerParams/globalParams/g \
	    -e s/PopplerParams/GlobalParams/g \
	    -i $@

override_dh_auto_configure: xpdf/xfile.h xpdf/xfile.cc xpdf/XPDFParams.h xpdf/XPDFParams.cc
	mkdir -p build
	cp $(sources) $(headers) build
	sed -E -e s/GString/GooString/g -e s/GMutex/GooMutex/g -e s/GHash/GooHash/g \
	    -e s/GList/GooList/g -e s/\<aconf\.h\>/\<poppler-config\.h\>/g \
	    -e s/GBool/bool/g -e s/gTrue/true/g -e s/gFalse/false/g \
	    -e 's/deleteGooList\(([^,]+), ([^)]+)\);/deleteGooList<\2> \(\1\);/' \
	    -i build/*
	mv build/parseargs.c build/parseargs.cc

override_dh_auto_build: $(objects)
	$(CXX) $(LDFLAGS) -o build/xpdf.real $^ $(LIBS)

%:
	dh ${@}