#!/usr/bin/make -f
# debian/rules for the Debian mesa package
# Copyright © 2006 Thierry Reding <thierry@gilfi.de>

# Uncomment this to turn on verbose mode.
#export DH_VERBOSE=1

STAMP_DIR = debian/stamp

QUILT_STAMPFN = $(STAMP_DIR)/patch
include /usr/share/quilt/quilt.make

CFLAGS = -Wall -g
ifneq (,$(findstring noopt,$(DEB_BUILD_OPTIONS)))
	CFLAGS += -O0
else
	CFLAGS += -O2
endif
ifeq (,$(findstring nostrip,$(DEB_BUILD_OPTIONS)))
	INSTALL_PROGRAM += -s
endif

DEB_BUILD_ARCH     ?= $(shell dpkg-architecture -qDEB_BUILD_ARCH)
DEB_BUILD_GNU_TYPE ?= $(shell dpkg-architecture -qDEB_BUILD_GNU_TYPE)
DEB_BUILD_DIR      ?= $(CURDIR)/obj-$(DEB_BUILD_GNU_TYPE)

export DEB_BUILD_ARCH

# choose an architecture-specific build of swx11 and GLU if a matching
# configuration exists
ifneq ($(wildcard configs/debian-swx11+glu-$(DEB_BUILD_ARCH)),)
	SWX11_GLU_CONFIGS := debian-swx11+glu-$(DEB_BUILD_ARCH)
else
	SWX11_GLU_CONFIGS := debian-swx11+glu-any
endif

# same for static builds
ifneq ($(wildcard configs/debian-swx11+glu-static-$(DEB_BUILD_ARCH)),)
	SWX11_GLU_CONFIGS += debian-swx11+glu-static-$(DEB_BUILD_ARCH)
else
	SWX11_GLU_CONFIGS += debian-swx11+glu-static-any
endif

# and for the GLX/DRI-enabled libGL
ifneq ($(wildcard configs/debian-dri-$(DEB_BUILD_ARCH)),)
	DRI_CONFIGS := debian-dri-$(DEB_BUILD_ARCH)
else
	DRI_CONFIGS := debian-dri-any
endif

# additional configurations optimized for CPU's supported by the build
# architecture
ifeq ($(DEB_BUILD_ARCH), i386)
	SWX11_GLU_CONFIGS += debian-swx11+glu-i386-i686
#	DRI_CONFIGS += debian-dri-i386-i686
endif

#ifeq ($(DEB_BUILD_ARCH), alpha)
#	SWX11_GLU_CONFIGS += debian-swx11+glu-alpha-ev5
#endif

#ifeq ($(DEB_BUILD_ARCH), powerpc)
#	SWX11_GLU_CONFIGS += debian-swx11+glu-powerpc-603
#endif

#ifeq ($(DEB_BUILD_ARCH), sparc)
#	SWX11_GLU_CONFIGS += debian-swx11+glu-sparc-ultrasparc
#endif

# build the following configurations by default
CONFIGS = $(SWX11_GLU_CONFIGS) \
          $(DRI_CONFIGS) \
          debian-osmesa \
          debian-osmesa-static \
          debian-osmesa16 \
          debian-osmesa16-static \
          debian-osmesa32 \
          debian-osmesa32-static

STAMP = $(STAMP_DIR)/$(DEB_BUILD_GNU_TYPE)
BUILD_STAMPS = $(addprefix $(STAMP)-build-, $(CONFIGS))
INSTALL_STAMPS = $(addprefix $(STAMP)-install-, $(CONFIGS)) \
                 $(STAMP_DIR)/install-source

# list the configurations that will built
configs:
	@echo Building the following configurations: $(CONFIGS)

$(STAMP_DIR):
	dh_testdir
	mkdir -p $@

$(QUILT_STAMPFN): $(STAMP_DIR)


build: $(BUILD_STAMPS)

$(STAMP)-build-%: patch
	dh_testdir
	mkdir -p $(DEB_BUILD_DIR)/$*
	find $(CURDIR)/* -maxdepth 0 -not -path '$(DEB_BUILD_DIR)*' | \
		xargs cp -rlf -t $(DEB_BUILD_DIR)/$*
	ln -sf $* $(DEB_BUILD_DIR)/$*/configs/current
	cd $(DEB_BUILD_DIR)/$* && $(MAKE)
	touch $@

pre-install:
	dh_testdir
	dh_testroot
	dh_clean -k --exclude ./Makefile.orig --exclude configs/CVS/Root.bak
	rm -rf $(INSTALL_STAMPS)

install: pre-install $(INSTALL_STAMPS)

$(STAMP)-install-%: $(STAMP)-build-%
	# Add here commands to install the package into debian/tmp
	cd $(DEB_BUILD_DIR)/$* && $(MAKE) install DESTDIR=$(CURDIR)/debian/tmp
	touch $@

$(STAMP_DIR)/install-source:
	# install Mesa source for mesa-swx11-source package
	chmod a+x debian/scripts/install-source.sh
	debian/scripts/install-source.sh
	touch $@

clean: unpatch
	dh_testdir
	dh_testroot
	dh_clean --exclude ./Makefile.orig --exclude configs/CVS/Root.bak
	rm -rf $(DEB_BUILD_DIR) $(STAMP_DIR)

# Build architecture-independent files here.
binary-indep: build install
# We have nothing to do by default.

# Build architecture-dependent files here.
binary-arch: build install
	dh_testdir
	dh_testroot
	dh_installchangelogs
	dh_installdocs
	dh_installexamples
	dh_install --sourcedir=debian/tmp --list-missing
	dh_installman
	dh_link
	dh_strip -plibgl1-mesa-swx11 --dbg-package=libgl1-mesa-swx11-dbg
	dh_strip -plibgl1-mesa-glx --dbg-package=libgl1-mesa-glx-dbg
	dh_strip -plibgl1-mesa-dri --dbg-package=libgl1-mesa-dri-dbg
	dh_strip
	dh_compress
	dh_fixperms
	dh_makeshlibs
	dh_installdeb
	dh_shlibdeps
	dh_gencontrol
	dh_md5sums
	dh_builddeb

binary: binary-indep binary-arch
.PHONY: configs build clean binary-indep binary-arch binary install configure