#!/usr/bin/make -f
# Build script for GNATColl in Debian.
# Copyright (c) 2014-2020 Nicolas Boulenguez <nicolas@debian.org>

# This build script is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 3 of the
# License, or (at your option) any later version.

# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# General Public License for more details.

# On Debian systems, the full text of the GPL is in the file
# /usr/share/common-licenses/GPL-3.

# The debian/control file contains either the python binding or the
# other bindings, depending on the current VCS branch.
libraries :=
$(foreach line,$(shell sed -En '\
  s/^ gnat-([0-9.]+),$$/                          GNAT_VERSION:=\1        /p;\
  s/^Package: (libgnatcoll-([a-z]+)[0-9.]+-dev)$$/libraries+=\2 \2_dev:=\1/p;\
  s/^Package: libgnatcoll-([a-z]+)([0-9.]+)$$/    \1_version:=\2          /p;\
  ' debian/control),$(eval $(line)))

DPKG_EXPORT_BUILDFLAGS := 1
DEB_BUILD_MAINT_OPTIONS := hardening=+all
DEB_LDFLAGS_MAINT_APPEND := \
  -Wl,--no-allow-shlib-undefined \
  -Wl,--no-copy-dt-needed-entries \
  -Wl,--no-undefined
include /usr/share/dpkg/buildflags.mk
include /usr/share/ada/debian_packaging-$(GNAT_VERSION).mk

BUILD := PROD
vars += BUILD

ifneq (,$(filter python,$(libraries)))
GNATCOLL_PYTHON_CFLAGS := `pkg-config --cflags python2`
GNATCOLL_PYTHON_LIBS   := `pkg-config --libs python2`
vars += GNATCOLL_PYTHON_CFLAGS GNATCOLL_PYTHON_LIBS
endif

ifneq (,$(filter iconv,$(libraries)))
GNATCOLL_ICONV_OPT :=
vars += GNATCOLL_ICONV_OPT
endif

%:
	dh $@

.PHONY: override_dh_auto_build
override_dh_auto_build: $(libraries)

.PHONY: $(libraries)
$(libraries):
	gprbuild $@/gnatcoll_$@.gpr \
	  -XLIBRARY_TYPE=static \
	  -p $(BUILDER_OPTIONS) $(foreach v,$(vars),-X$(v)="$($(v))")
	gprbuild $@/gnatcoll_$@.gpr \
	  -XLIBRARY_TYPE=relocatable \
	  -XGNATCOLL_VERSION=$($@_version) \
	  -p $(BUILDER_OPTIONS) $(foreach v,$(vars),-X$(v)="$($(v))")

.PHONY: override_dh_installdocs
override_dh_installdocs:
  ifneq (,$(filter gmp,$(libraries)))
	dh_installdocs -p$(gmp_dev) gmp/README.md
	dh_installdocs -p$(iconv_dev) iconv/README.md iconv/docs/index.rst
	dh_installdocs -p$(omp_dev) omp/README.md
	dh_installdocs -p$(readline_dev) readline/README.md readline/docs/index.rst
	dh_installdocs -p$(syslog_dev) syslog/README.md syslog/docs/index.rst
  endif
  ifneq (,$(filter python,$(libraries)))
	dh_installdocs -p$(python_dev) python/README.md python/docs/index.rst
  endif
	dh_installdocs --remaining-packages

.PHONY: override_dh_auto_clean
override_dh_auto_clean:
	$(RM) -r $(foreach l,$(libraries),$(l)/lib $(l)/obj)

ifneq (,$(filter gmp,$(libraries)))
.PHONY: override_dh_installexamples
override_dh_installexamples:
	dh_installexamples -p$(gmp_dev) gmp/examples/*
	dh_installexamples --remaining-packages
endif

.PHONY: override_dh_ada_library
override_dh_ada_library:
	dh_ada_library $(foreach l,$(libraries), \
	  LIBRARY_TYPE=relocatable \
	  GNATCOLL_VERSION=$($(l)_version) \
	  $(foreach v,$(vars),$(v)="$($(v))") \
	  $(l)/gnatcoll_$(l).gpr)