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#!/usr/bin/make -f

NULL =

export CPPFLAGS:=$(shell dpkg-buildflags --get CPPFLAGS)
export CFLAGS:=$(shell dpkg-buildflags --get CFLAGS)
export CXXFLAGS:=$(shell dpkg-buildflags --get CXXFLAGS)
export LDFLAGS:=$(shell dpkg-buildflags --get LDFLAGS)

export LIBDIR = "/usr/lib/$(shell dpkg-architecture -qDEB_BUILD_MULTIARCH)"
export INCLUDEDIR = "/usr/include/$(shell dpkg-architecture -qDEB_BUILD_MULTIARCH)"

%:
	CONFIGURE="./configure --with-symbols --prefix=/usr --libdir=$(LIBDIR) --includedir=$(INCLUDEDIR)" dh $@ --with quilt

# before build, we will remove unused code / bundled libraries (keep this in sync with roll-tarball.sh)
UNUSED_FOLDERS           = "debian/CODE-REDUCTION_CLEANUP-UNUSED"
CLEANUP_FOLDERS          = "debian/CODE-REDUCTION_CLEANUP-BRUTAL"
UNNEEDED_BACKUPS         = "debian/CODE-REDUCTION_CLEANUP-BACKUPFILES"
PRESERVE_SYMLINKED_FILES = "debian/CODE-REDUCTION_PRESERVE-SYMLINKED"
PRESERVE_NEEDED_FILES    = "debian/CODE-REDUCTION_PRESERVE-NEEDED"
PRESERVE_INCLUDED_FILES  = "debian/CODE-REDUCTION_PRESERVE-INCLUDED"

override_dh_auto_clean:
	rm -Rf nx-X11/.build-exports
	dh_auto_clean

override_dh_clean:
	rm -f nx*/configure
	rm -f nx*/changelog
	rm -f nx-X11/programs/Xserver/hw/nxagent/changelog
	rm -f nx-X11/programs/nxauth/changelog
	if [ ! -f replace.sh ] && [ ! -h replace.sh ]; then ln -s debian/Makefile.replace.sh replace.sh; fi
	. ./replace.sh; set -x; ls debian/*.install.in | while read file; do rm -f $$(string_rep $$file .install.in .install); done
	rm -fR replace.sh Makefile bin etc/rgb VERSION.x2goagent etc/keystrokes.cfg etc/nxagent.keyboard etc/x2goagent.keyboard
	rm -f debian/libnx-xinerama1.postinst
	rm -fR .preserve/
	if [ -f nxcomp/.VERSION.NoMachine ]; then mv nxcomp/.VERSION.NoMachine nxcomp/VERSION; fi
	dh_clean

override_dh_installchangelog:

	### the doc/changelog file is the actual NX (redistributed) ChangeLog
	dh_installchangelog doc/changelog

override_dh_install:

	# handle builds for Debian squeeze (non multi-arch)
	. ./replace.sh; set -x; if [ -z "$(DEB_BUILD_MULTIARCH)" ]; then \
	    find debian/*.install.in | while read file; do \
	        cat $$file | sed -e 's#/\*/#/#g' > $$(string_rep $$file .install.in .install); \
	    done; \
	else \
	    find debian/*.install.in | while read file; do \
	        cat $$file > $$(string_rep $$file .install.in .install); \
	    done; \
	fi

	# remove static libs
	rm debian/tmp/usr/lib/$(DEB_BUILD_MULTIARCH)/libXcomp.a
	rm debian/tmp/usr/lib/$(DEB_BUILD_MULTIARCH)/libXcompshad.a

	# remove extras, GL, and other unneeded headers
	rm -R debian/tmp/usr/include/$(DEB_BUILD_MULTIARCH)/nx/GL/
	rm -R debian/tmp/usr/include/$(DEB_BUILD_MULTIARCH)/nx/X11/bitmaps/
	rm -R debian/tmp/usr/include/$(DEB_BUILD_MULTIARCH)/nx/X11/extensions/XInput.h
	rm -R debian/tmp/usr/include/$(DEB_BUILD_MULTIARCH)/nx/X11/extensions/XK*.h
	rm -R debian/tmp/usr/include/$(DEB_BUILD_MULTIARCH)/nx/X11/extensions/*Xv*.h
	rm -R debian/tmp/usr/include/$(DEB_BUILD_MULTIARCH)/nx/X11/extensions/xtrap*.h
	rm -R debian/tmp/usr/include/$(DEB_BUILD_MULTIARCH)/nx/X11/extensions/Print*.h
	rm -R debian/tmp/usr/include/$(DEB_BUILD_MULTIARCH)/nx/X11/extensions/XRes*.h
	rm -R debian/tmp/usr/include/$(DEB_BUILD_MULTIARCH)/nx/X11/extensions/record*.h
	rm -R debian/tmp/usr/include/$(DEB_BUILD_MULTIARCH)/nx/X11/extensions/xf86vmode.h
	rm -R debian/tmp/usr/include/$(DEB_BUILD_MULTIARCH)/nx/X11/extensions/xf86vmstr.h
	rm -R debian/tmp/usr/include/$(DEB_BUILD_MULTIARCH)/nx/X11/extensions/xf86misc.h
	rm -R debian/tmp/usr/include/$(DEB_BUILD_MULTIARCH)/nx/X11/extensions/xf86dga1.h
	rm -R debian/tmp/usr/include/$(DEB_BUILD_MULTIARCH)/nx/X11/extensions/xf86dgastr.h
	rm -R debian/tmp/usr/include/$(DEB_BUILD_MULTIARCH)/nx/X11/extensions/xf86dga.h
	rm -R debian/tmp/usr/include/$(DEB_BUILD_MULTIARCH)/nx/X11/extensions/xf86dga1str.h
	rm -R debian/tmp/usr/include/$(DEB_BUILD_MULTIARCH)/nx/X11/extensions/xf86mscstr.h
	rm -R debian/tmp/usr/include/$(DEB_BUILD_MULTIARCH)/nx/X11/extensions/dmxext.h
	rm -R debian/tmp/usr/include/$(DEB_BUILD_MULTIARCH)/nx/X11/extensions/dmxproto.h
	rm -R debian/tmp/usr/include/$(DEB_BUILD_MULTIARCH)/nx/X11/extensions/bigreqstr.h
	rm -R debian/tmp/usr/include/$(DEB_BUILD_MULTIARCH)/nx/X11/extensions/xcmiscstr.h
	rm -R debian/tmp/usr/include/$(DEB_BUILD_MULTIARCH)/nx/X11/extensions/XIproto.h
	rm -R debian/tmp/usr/include/$(DEB_BUILD_MULTIARCH)/nx/X11/extensions/xf86bigfstr.h
	rm -R debian/tmp/usr/include/$(DEB_BUILD_MULTIARCH)/nx/X11/extensions/xf86bigfont.h
	rm -R debian/tmp/usr/include/$(DEB_BUILD_MULTIARCH)/nx/X11/extensions/XI.h
	rm -R debian/tmp/usr/include/$(DEB_BUILD_MULTIARCH)/nx/X11/fonts/
	rm -R debian/tmp/usr/include/$(DEB_BUILD_MULTIARCH)/nx/X11/Xtrans/

	dh_install --fail-missing

override_dh_auto_install:
	PREFIX=/usr dh_auto_install -Smakefile

override_dh_auto_build:

	# create copies of upstream changelogs so that names apply to Debian policy...
	cp -a nx-X11/CHANGELOG nx-X11/changelog
	cp -a nxcomp/CHANGELOG nxcomp/changelog
	if [ -f nxcomp/VERSION ]; then cp nxcomp/VERSION nxcomp/.VERSION.NoMachine; fi
	cp -a nxcompext/CHANGELOG nxcompext/changelog
	cp -a nxcompshad/CHANGELOG nxcompshad/changelog
	cp -a nx-X11/programs/Xserver/hw/nxagent/CHANGELOG nx-X11/programs/Xserver/hw/nxagent/changelog
	cp -a nx-X11/programs/nxauth/CHANGELOG nx-X11/programs/nxauth/changelog
	cp -a nxproxy/CHANGELOG nxproxy/changelog
	ln -s debian/Makefile.nx-libs Makefile
	ln -s debian/Makefile.replace.sh replace.sh
	ln -s debian/wrappers bin
	mkdir -p etc/
	ln -s ../debian/keystrokes.cfg etc/keystrokes.cfg
	ln -s ../debian/rgb etc/rgb
	ln -s ../debian/nxagent.keyboard etc/nxagent.keyboard
	ln -s ../debian/x2goagent.keyboard etc/x2goagent.keyboard
	mkdir -p doc/
	ln -s ../debian/changelog doc/changelog
	ln -sf debian/VERSION VERSION.x2goagent
	ln -sf ../debian/VERSION nxcomp/VERSION

	# let's prep the libnx-xinerama1.postinst script with the value of the build systems's DEB_BUILD_MULTIARCH variable
	sed debian/libnx-xinerama1.postinst.in -e 's/#DEB_BUILD_MULTIARCH#/$(DEB_BUILD_MULTIARCH)/' > debian/libnx-xinerama1.postinst

	# make a copy of code to be preserved for build
	mkdir -p .preserve
	for path in `cat $(PRESERVE_SYMLINKED_FILES)` `cat $(PRESERVE_NEEDED_FILES)` `cat $(PRESERVE_INCLUDED_FILES)`; do \
	    if echo $$path | grep -E "^#.*"; then continue; fi; \
	    test -d $$path && mkdir -p .preserve/$$path || mkdir -p .preserve/$$(dirname $$path); \
	    cp -av $$path .preserve/$$path; \
	done

	# remove unused code / bundled libraries (see at the top of the debian/rules file)
        # for the exact list of files and folders
	rm -Rf `cat $(UNUSED_FOLDERS)`
	rm -Rf `cat $(CLEANUP_FOLDERS)`
	rm -Rf `cat $(UNNEEDED_BACKUPS)`

	# copy to-be-preserved files back into code tree
	cp -av .preserve/* .
	rm -Rf .preserve/

	PROJECT_DEFINES=$(CPPFLAGS) LOCAL_LDFLAGS=$(LDFLAGS) SHLIBGLOBALSFLAGS=$(LDFLAGS) SHLIBDIR=$(LIBDIR) PREFIX=/usr dh_auto_build --parallel

override_dh_strip:
	dh_strip -plibnx-x11-6 --dbg-package=libnx-x11-6-dbg
	dh_strip -plibnx-xau6 --dbg-package=libnx-xau6-dbg
	dh_strip -plibnx-xcomposite1 --dbg-package=libnx-xcomposite1-dbg
	dh_strip -plibnx-xdamage1 --dbg-package=libnx-xdamage1-dbg
	dh_strip -plibnx-xdmcp6 --dbg-package=libnx-xdmcp6-dbg
	dh_strip -plibnx-xext6 --dbg-package=libnx-xext6-dbg
	dh_strip -plibnx-xfixes3 --dbg-package=libnx-xfixes3-dbg
	dh_strip -plibnx-xinerama1 --dbg-package=libnx-xinerama1-dbg
	dh_strip -plibnx-xpm4 --dbg-package=libnx-xpm4-dbg
	dh_strip -plibnx-xrandr2 --dbg-package=libnx-xrandr2-dbg
	dh_strip -plibnx-xrender1 --dbg-package=libnx-xrender1-dbg
	dh_strip -plibnx-xtst6 --dbg-package=libnx-xtst6-dbg
	dh_strip -plibxcomp3 --dbg-package=libxcomp3-dbg
	dh_strip -plibxcompshad3 --dbg-package=libxcompshad3-dbg
	dh_strip -plibxcompext3 --dbg-package=libxcompext3-dbg
	dh_strip -pnxagent --dbg-package=nxagent-dbg
	dh_strip -pnxproxy --dbg-package=nxproxy-dbg
	dh_strip -pnxauth --dbg-package=nxauth-dbg