#!/usr/bin/make -f

# resolve DEB_DISTRIBUTION
include /usr/share/dpkg/pkg-info.mk

# detect if build targets experimental suite (or is a draft)
DEB_SUITE_EXP = $(filter experimental% UNRELEASED,$(DEB_DISTRIBUTION))

export DEB_BUILD_MAINT_OPTIONS = hardening=+all

export CFLAGS:=$(shell dpkg-buildflags --get CPPFLAGS; dpkg-buildflags --get CFLAGS)
# export _CXXFLAGS includes $(_CFLAGS)
#CXXFLAGS:=$(shell dpkg-buildflags --get CPPFLAGS; dpkg-buildflags --get CXXFLAGS)
export LDFLAGS:=$(shell dpkg-buildflags --get LDFLAGS)

export DEB_LDFLAGS_MAINT_APPEND = -Wl,--as-needed

# relax symbols check when targeting experimental
export DPKG_GENSYMBOLS_CHECK_LEVEL=$(if $(DEB_SUITE_EXP),0,1)

# FIXME: the explicit and duplicate 'build' target is because of the
# existing directory 'build'. .PHONY doesn't seem to be good enough with
# the wildcard target. Any better way?
%:
	dh $@
build:
	dh $@

override_dh_autoreconf:
	dh_autoreconf autoconf aconfigure.ac >aconfigure

override_dh_auto_clean:
# Handle the case where the source tree is not configured.
	if test -f build.mak; then make distclean; fi

execute_after_dh_auto_clean:
# left-overs from the tests:
	find tests/pjsua/ -name \*.pyc | xargs --no-run-if-empty rm
	rm -rf tests/pjsua/logs/ tests/pjsua/wavs/

execute_before_dh_auto_configure:
	cp debian/config_site.h pjlib/include/pj/
ifneq (,$(wildcard third-party/ilbc/iLBC_decode.c))
# Sanity check for one of the third party libraries we need to
# remove from the source tree
	@echo "iLBC was not removed. Exiting"; exit 1
endif

override_dh_auto_configure:
	dh_auto_configure -- --enable-shared \
	 --disable-g7221-codec --disable-ilbc-codec --disable-resample \
	 --with-external-gsm --with-external-speex --with-external-pa \
	 --with-external-srtp --enable-video --disable-libyuv \
	 --disable-libwebrtc

override_dh_auto_build:
	dh_auto_build --no-parallel -- dep all

# selftest target takes too long. Parts of it may also require hardware.
# Don't enable it by default. Allow running it manually.
#override_dh_auto_test:
run-tests:
	LD_LIBRARY_PATH=`echo $$PWD/*/lib | tr ' ' :` make selftest

PC_FILE=$(CURDIR)/debian/tmp/usr/lib/*/pkgconfig/libpjproject.pc
headers_names=m_auto.h os_auto.h
headers_sub_dir=pj/compat
headers_base=$(CURDIR)/debian/tmp/usr/include
headers_dir=$(headers_base)/$(headers_sub_dir)
headers=$(headers_names:%=$(headers_dir)/%)
execute_after_dh_auto_install:
# FIXME: the proper fix is in the generation of libpjproject.pc.in:
# PJ_INSTALL_CXXFLAGS (which is basically CFLAGS) should not be used
# as-is. Maybe it should just be avoided and a hand-crafted set
# of build flags should be used. But for now let's edit out harmful
# flags:
	sed -i \
	 -e "s|$$CFLAGS||" -e "s|$$CPPFLAGS||" -e 's|-fPIC||' \
	 $(PC_FILE)
# Some headers are architecture-dependent. For now, move them manually:
	ma=`dpkg-architecture -qDEB_BUILD_MULTIARCH`; \
	 new_dir=$(headers_base)/$$ma/$(headers_sub_dir); \
	 mkdir -p $$new_dir; \
	 mv $(headers) $$new_dir/

execute_after_dh_shlibdeps:
	d-devlibdeps \
	 --override 's/libopus0-dev/libopus-dev/' \
	 --override 's/libvo-amrwbenc0-dev/libvo-amrwbenc-dev/' \
	 --override 's/libsrtp2-1-dev/libsrtp2-dev/' \
	 debian/libpjproject-dev.substvars debian/lib*/usr/lib/*/lib*.so.*

.PHONY: build