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libxmlada 18-3
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#!/usr/bin/make -f
# Build script for XML/Ada in Debian.
# Copyright (c) 2003-2009 Ludovic Brenta <lbrenta@debian.org>
# Copyright (c) 2013-2018 Nicolas Boulenguez <nicolas@debian.org>

# This program 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.


# NOTE:
# In order to prevent a circular build-dependency, the Debian packages
# for XML/Ada and GPRBuild bother to build without project support.
# Please keep the two debian/rules files similar enough to ease
# backport of good ideas.

######################################################################
# *_DEV_PKG, *_LIB_PKG and *_SONAME are read from the control file.
# To debug, replace eval with error.
$(foreach line,$(shell sed -n ' \
  s/^Package:\s*\(libxmlada-\([a-z]\+\)\([0-9.]\+\)\)$$/ \
    xmlada_\2_LIB_PKG:=\1 \
    xmlada_\2_SONAME:=libxmlada_\2.so.\3 \
   /p;\
  s/^Package:\s*\(libxmlada-\([a-z]\+\)[0-9.]\+-dev\)$$/ \
    xmlada_\2_DEV_PKG:=\1 \
   /p;\
  s/^ gnat, gnat-\([0-9.]\+\),\?$$/ \
    GNAT_VERSION:=\1 \
   /p;\
  ' debian/control),$(eval $(line)))

DEB_BUILD_MAINT_OPTIONS := hardening=+all
DEB_ADAFLAGS_MAINT_APPEND := -gnatwa -Wall -gnatafno -gnatVa
DEB_LDFLAGS_MAINT_APPEND := \
  -Wl,--as-needed \
  -Wl,--no-undefined \
  -Wl,--no-copy-dt-needed-entries \
  -Wl,--no-allow-shlib-undefined
include /usr/share/dpkg/default.mk
include /usr/share/ada/debian_packaging-$(GNAT_VERSION).mk

# Ignore gnat.adc in top directory.
BUILDER_OPTIONS += -gnatA

######################################################################
%:
	dh $@

# Rewrite upstream configure/make build system.
.PHONY: $(addprefix override_dh_auto_, \
  configure build-arch build-indep test install clean)

# Rewrite upstream targets without gprbuild or gprclean.
# gnatmake does not support projects anymore, we cannot use xmlada.gpr.

######################################################################
# Rewrite unicode/importer/Makefile without network and gprbuild.
obj/shared/$(xmlada_unicode_SONAME) \
obj/static/libxmlada_unicode.a          : unicode/unicode-names-basic_latin.ads

obj/convert: $(wildcard unicode/importer/*.ad[bs]) | obj
	gnatmake unicode/importer/convert.adb -D obj -o $@ \
	  $(BUILDER_OPTIONS) \
	  -cargs $(ADAFLAGS) \
	  -largs $(LDFLAGS)

unicode/unicode-names-basic_latin.ads: obj/convert \
                                       /usr/share/unicode/Blocks.txt \
                                       /usr/share/unicode/NameAliases.txt \
                                       /usr/share/unicode/UnicodeData.txt
 # Generate unicode-names/* directly in unicode/.
	ln -s unicode generated
	$^
	rm generated
override_dh_auto_clean::
	rm -f unicode/unicode-names-*

######################################################################
ADS_DIR := usr/share/ada/adainclude
GPR_DIR := usr/share/gpr
ALI_DIR := usr/lib/$(DEB_HOST_MULTIARCH)/ada/adalib
SO_DIR  := usr/lib/$(DEB_HOST_MULTIARCH)
A_DIR   := usr/lib/$(DEB_HOST_MULTIARCH)

define library_template
# Parameters:
# _SRCDIR: directory containing the sources files
# _deps_int       : used in -aI -aO -l for libs built by this deb source
# _deps_int_direct: subset used for .gpr and ada:Depends
# _deps_ext       : used in -aI -aO -l for libs from packaged Build-Depends
# _deps_ext_direct: subset used for .gpr and ada:Depends
# _deps_gnarl     : used in -l, should be empty or gnarl-BV
# For any dependency d, $(d)_DEV_PKG: deb -dev package for $(d)
# For any internal dependency d, $(d)_SRCDIR as above.

  # Remove pure specifications and separate compilation units.
  $(library)_unit_bodies := $(foreach s, \
    $(wildcard $($(library)_SRCDIR)/*.adb) \
    ,$(if $(shell grep -l '^separate ' $(s)),,$(s)))

  $(library)_c_sources := $(wildcard $($(library)_SRCDIR)/*.c)

  # Build dynamic library.
  override_dh_auto_build-arch: obj/shared/$($(library)_SONAME)
  obj/shared/$($(library)_SONAME): \
        $$(patsubst $($(library)_SRCDIR)/%.c,obj/shared_$(library)_obj/%.o,$$($(library)_c_sources)) \
        | obj/shared obj/shared_$(library)_ali obj/shared_$(library)_obj
    # -fPIC/-shared overrides -fPIE/-pie in ADAFLAGS/LDFLAGS.
	gnatmake -c $$($(library)_unit_bodies) -D obj/shared_$(library)_obj \
          $(BUILDER_OPTIONS) \
	  $(foreach l, $($(library)_deps_int), \
	    -aI$($(l)_SRCDIR) \
	    -aOobj/shared_$(l)_ali) \
	  $(addprefix -aI/$(ADS_DIR)/, $($(library)_deps_ext)) \
	  $(addprefix -aO/$(ALI_DIR)/, $($(library)_deps_ext)) \
          -cargs $(ADAFLAGS) -fPIC
	gcc-$(GNAT_VERSION) $(LDFLAGS) -shared \
	  -o $$@ \
	  -Wl,-soname,$($(library)_SONAME) \
	  obj/shared_$(library)_obj/*.o \
	  -Lobj/shared $(addprefix -l, $($(library)_deps_int) \
	                               $($(library)_deps_ext) \
	                               $($(library)_deps_gnarl) \
	                               gnat-$(GNAT_VERSION))
  # Create development link so that the other libraries may link with it.
	ln -fs $($(library)_SONAME) obj/shared/lib$(library).so
  # Move ALI files to library directory and mark them read-only.
	mv obj/shared_$(library)_obj/*.ali obj/shared_$(library)_ali
	chmod 444 obj/shared_$(library)_ali/*

  # Build static library.
  override_dh_auto_build-arch: obj/static/lib$(library).a
  obj/static/lib$(library).a: \
         $(patsubst $($(library)_SRCDIR)/%.c,obj/static_$(library)_obj/%.o,$($(library)_c_sources)) \
        | obj/static obj/static_$(library)_ali obj/static_$(library)_obj
	gnatmake -c $$($(library)_unit_bodies) -D obj/static_$(library)_obj \
          $(BUILDER_OPTIONS) \
	  $(foreach l, $($(library)_deps_int), \
	    -aI$($(l)_SRCDIR) \
	    -aOobj/static_$(l)_ali) \
	  $(addprefix -aI/$(ADS_DIR)/, $($(library)_deps_ext)) \
	  $(addprefix -aO/$(ALI_DIR)/, $($(library)_deps_ext)) \
	  -cargs $(ADAFLAGS)
	ar rc $$@ obj/static_$(library)_obj/*.o
	ranlib $$@
  # Move ALI files to library directory and mark them read-only.
	mv obj/static_$(library)_obj/*.ali obj/static_$(library)_ali
	chmod 444 obj/static_$(library)_ali/*.ali

  obj/shared_$(library)_obj/%.o: $($(library)_SRCDIR)/%.c | obj/shared_$(library)_obj
	gcc-$(GNAT_VERSION) -c $(CFLAGS) $(CPPFLAGS) $$< -o $$@ -fPIC
  obj/static_$(library)_obj/%.o: $($(library)_SRCDIR)/%.c | obj/static_$(library)_obj
	gcc-$(GNAT_VERSION) -c $(CFLAGS) $(CPPFLAGS) $$< -o $$@

  obj/shared_$(library)_ali obj/shared_$(library)_obj obj/static_$(library)_ali obj/static_$(library)_obj: | obj
	mkdir $$@

  override_dh_install::
  # dynamic library
	dh_install --package=$($(library)_LIB_PKG) \
	  obj/shared/$($(library)_SONAME) \
	  $(SO_DIR)
  # static library
	dh_install --package=$($(library)_DEV_PKG) \
	  obj/static/lib$(library).a \
	  $(A_DIR)
  # development symbolic link
	dh_link --package=$($(library)_DEV_PKG) \
	  $(SO_DIR)/$($(library)_SONAME) \
	  $(SO_DIR)/lib$(library).so
  # ALI files
	dh_install --package=$($(library)_DEV_PKG) \
	  obj/shared_$(library)_ali/*.ali \
	  $(ALI_DIR)/$(library)
  # Sources
	dh_install --package=$($(library)_DEV_PKG) \
	  $($(library)_SRCDIR)/*.ad[bs] $$($(library)_c_sources) \
	  $(ADS_DIR)/$(library)
  # Substitution variables for the control file.
	echo 'ada:Depends=gnat, gnat-$(GNAT_VERSION), \
	  $(foreach l, $($(library)_deps_int_direct), $($(l)_DEV_PKG) (=$$$${binary:Version}),) \
	  $(foreach l, $($(library)_deps_ext_direct), $($(l)_DEV_PKG),) \
	  $($(library)_LIB_PKG)' \
	  >> debian/$($(library)_DEV_PKG).substvars

  # Externally built project installed for end users.
  override_dh_auto_build-arch: obj/$(library).gpr
  obj/$(library).gpr: debian/template.gpr | obj
	sed ' \
	  /@IMPORTS@/ { \
	    s//$(foreach l, $($(library)_deps_int_direct) \
	                    $($(library)_deps_ext_direct) \
                 ,with "$(l).gpr";\n)/; \
	    s/\n /\n/g; }; \
	  $(foreach v,library SO_DIR ADS_DIR ALI_DIR,s|@$(v)@|$($(v))|;) \
	  ' $$< > $$@
  override_dh_install::
	dh_install --package=$($(library)_DEV_PKG) \
	  obj/$(library).gpr \
	  $(GPR_DIR)

endef

# The dependency information can be deduced from the sources, and
# should match $(library)_SRCDIR/*.gpr.

xmlada_unicode_SRCDIR := unicode

xmlada_input_SRCDIR := input_sources
xmlada_input_deps_int_direct := xmlada_unicode
xmlada_input_deps_int        := xmlada_unicode

xmlada_sax_SRCDIR := sax
xmlada_sax_deps_int_direct := xmlada_input xmlada_unicode
xmlada_sax_deps_int        := xmlada_input xmlada_unicode

xmlada_dom_SRCDIR := dom
xmlada_dom_deps_int_direct := xmlada_sax              xmlada_unicode
xmlada_dom_deps_int        := xmlada_sax xmlada_input xmlada_unicode

xmlada_schema_SRCDIR := schema
xmlada_schema_deps_int_direct := xmlada_dom xmlada_sax              xmlada_unicode
xmlada_schema_deps_int        := xmlada_dom xmlada_sax xmlada_input xmlada_unicode

# To debug an instantiation, replace eval with error:
$(foreach library, \
  xmlada_unicode xmlada_input xmlada_sax xmlada_dom xmlada_schema \
  ,$(eval $(call library_template)))

obj/shared obj/static: | obj
obj obj/shared obj/static:
	mkdir $@
override_dh_auto_clean::
	rm -fr obj

######################################################################
# Upstream docs target does not generate text output.
override_dh_auto_build-indep:
ifeq (,$(filter nodoc,$(DEB_BUILD_OPTIONS)))
	$(MAKE) -C docs html latexpdf text SPHINXOPTS=-j$(BUILDER_JOBS)

endif
override_dh_auto_clean::
	rm -fr docs/_build

# Compatibility project, importing all XMLAda libraries.
override_dh_install::
	dh_install --package=$(xmlada_schema_DEV_PKG) \
	  distrib/xmlada.gpr \
	  $(GPR_DIR)

# Remaining install tasks.
.PHONY: override_dh_install
override_dh_install::
	dh_install --remaining-packages

######################################################################
# Mimic 'dh --with sphinxdoc', but without adding sphinx-common to
# Build-Depends for arch-only builds.
.PHONY: override_dh_installdocs-indep
override_dh_installdocs-indep:
	dh_installdocs -i
	dh_sphinxdoc

# These example sources are executable in version 18.
.PHONY: override_dh_fixperms-indep
override_dh_fixperms-indep:
	find debian/libxmlada-doc/usr/share/doc/libxmlada-doc/examples/cross \
	  -type f -executable | xargs chmod -x
	dh_fixperms -i

######################################################################
.PHONY: override_dh_compress
override_dh_compress:
	dh_compress --package=libxmlada-doc \
           --exclude=.adb --exclude=.ads --exclude=.gpr \
           --exclude=.xml --exclude=.xsd
	dh_compress --remaining-packages