#!/usr/bin/make -f
# Copyright Ron Lee 2003, 2004, 2007, 2008, 2012

#export DH_VERBOSE=1
export DH_OPTIONS

SHELL = /bin/bash

NUM_CPUS = $(shell getconf _NPROCESSORS_ONLN 2>/dev/null)
PARALLEL = $(subst parallel=,,$(filter parallel=%,$(DEB_BUILD_OPTIONS)))
NJOBS    = -j$(or $(PARALLEL),$(NUM_CPUS),1)


DEB_BUILD_GNU_TYPE ?= $(shell dpkg-architecture -qDEB_BUILD_GNU_TYPE)
DEB_HOST_GNU_TYPE  ?= $(shell dpkg-architecture -qDEB_HOST_GNU_TYPE)

DEB_HOST_ARCH_CPU  ?= $(shell dpkg-architecture -qDEB_HOST_ARCH_CPU)
DEB_HOST_ARCH      ?= $(shell dpkg-architecture -qDEB_HOST_ARCH)
DEB_HOST_MULTIARCH ?= $(shell dpkg-architecture -qDEB_HOST_MULTIARCH)


HARD_CPPFLAGS = -D_FORTIFY_SOURCE=2
HARD_CFLAGS   = -Wformat=2
HARD_LDFLAGS  = -Wl,-z,now

ifneq (,$(filter-out $(DEB_HOST_ARCH), alpha hppa arm))
	HARD_CFLAGS += -fstack-protector --param ssp-buffer-size=4
endif
ifneq (,$(filter-out $(DEB_HOST_ARCH), ia64 hppa avr32))
	HARD_LDFLAGS += -Wl,-z,relro
endif

# Keep dpkg-buildpackage the hell out of messing with our compile flags,
# we should trust upstream to know better than it what to use here.
# We explicitly re-add -g and -O2 here, since not all configurations do
# set it explicitly (and instead rely on autoconf's default of doing that,
# which we override here when we set the hardening flags, if we do).
CPPFLAGS = $(HARD_CPPFLAGS)
CFLAGS   = $(HARD_CFLAGS) -g -O2
CXXFLAGS = $(HARD_CFLAGS) -g -O2
LDFLAGS  = $(HARD_LDFLAGS)

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


objdir            = objs
objdir_sse        = objs-sse
objdir_fixedpoint = objs-fixed-point

all_objs  = $(objdir) $(objdir_sse) $(objdir_fixedpoint)
arch_objs = $(objdir)

ifeq ($(DEB_HOST_ARCH_CPU),arm)
objdir             = $(objdir_fixedpoint)

ifneq ($(DEB_HOST_ARCH),armhf)
EXTRA_CONFIG_FLAGS = --enable-arm4-asm
endif

endif

ifneq (,$(filter $(DEB_HOST_ARCH), mips mipsel))
objdir             = $(objdir_fixedpoint)
endif

ifeq ($(DEB_HOST_ARCH_CPU),i386)
arch_objs += $(objdir_sse)
endif


clean:
	dh_testdir
	dh_testroot
	$(RM) *-stamp
	$(RM) -r $(all_objs) doc/{html,man,latex}
	dh_clean


# This first empty one is equivalent to declaring it .SECONDARY while we have
# no target specific variables to set.  We don't want it removed by default as
# an unnamed intermediate file when the build target is completed.
$(objdir)/config.status:
$(objdir_sse)/config.status:        EXTRA_CONFIG_FLAGS += --enable-sse
$(objdir_fixedpoint)/config.status: EXTRA_CONFIG_FLAGS += --enable-fixed-point

%/config.status: configure
	dh_testdir
	mkdir -p $*
	cd $* && ../configure --host=$(DEB_HOST_GNU_TYPE)	\
			      --build=$(DEB_BUILD_GNU_TYPE)	\
			      --prefix=/usr			\
			      --libdir=\$${prefix}/lib/$(DEB_HOST_MULTIARCH) \
			      $(EXTRA_CONFIG_FLAGS)		\
			      CPPFLAGS="$(CPPFLAGS)"		\
			      CFLAGS="$(CFLAGS)"		\
			      CXXFLAGS="$(CXXFLAGS)"		\
			      LDFLAGS="$(LDFLAGS)"

build: build-arch build-indep

build-arch: $(foreach d,$(arch_objs),build-target-$(d)-stamp)
build-target-%-stamp : %/config.status
	dh_testdir
	$(MAKE) $(NJOBS) -C $*
	touch $@

build-indep: build-indep-stamp
build-indep-stamp:
	dh_testdir
	doxygen Doxyfile
	touch $@


install: install-arch install-indep

install-arch: install-arch-stamp
install-arch-stamp: build-arch
	dh_testdir
	cd $(objdir) && $(MAKE) install DESTDIR=$(CURDIR)/debian/tmp

	if [ -d "$(objdir_sse)" ]; then \
	    dh_install -plibspeex1    $(objdir_sse)/libspeex/.libs/libspeex.so.* \
				      usr/lib/$(DEB_HOST_MULTIARCH)/sse2; \
	    dh_install -plibspeexdsp1 $(objdir_sse)/libspeex/.libs/libspeexdsp.so.* \
				      usr/lib/$(DEB_HOST_MULTIARCH)/sse2; \
	fi

	dh_install -plibspeex1    $(objdir)/libspeex/.libs/libspeex.so.* \
				  usr/lib/$(DEB_HOST_MULTIARCH)

	dh_install -plibspeexdsp1 $(objdir)/libspeex/.libs/libspeexdsp.so.* \
				  usr/lib/$(DEB_HOST_MULTIARCH)

	dh_install -plibspeex-dev -plibspeexdsp-dev -pspeex --sourcedir=debian/tmp
	touch $@

install-indep: build-indep


binary: binary-indep binary-arch

binary-indep: DH_OPTIONS = -i
binary-indep: install-indep
	dh_testdir
	dh_testroot
	dh_installdocs
	dh_installchangelogs
	dh_compress
	dh_fixperms
	dh_installdeb
	dh_gencontrol
	dh_md5sums
	dh_builddeb

binary-arch: install-arch
	dh_testdir
	dh_testroot
	dh_installdocs -a
	dh_installman -a
	dh_installchangelogs -a
	dh_strip -a --dbg-package=libspeex-dbg
	dh_compress -a
	dh_fixperms -a
	dh_makeshlibs -plibspeex1 -V"libspeex1 (>= 1.2~beta3-1)"
	dh_makeshlibs -plibspeexdsp1 -V"libspeexdsp1 (>= 1.2~beta3.2-1)"
	dh_installdeb -a
	dh_shlibdeps -a
	dh_gencontrol -a
	dh_md5sums -a
	dh_builddeb -a


.PHONY: clean build build-arch build-indep install install-arch install-indep \
	binary binary-arch binary-indep