#!/usr/bin/make -f

# DEB_BUILD_OPTIONS supported:
#   noopt       Compile with gcc -O0 rather than -O2
#   nostrip     Do not strip binaries and libraries
#   debug       Enable additional debug support
#   nocheck     Skip test suites (synonym 'notest')
#   with-javahl, no-javahl |
#   with-apache, no-apache | enable/disable certain packages
#   with-ruby, no-ruby     |

DEB_BUILD_MAINT_OPTIONS=hardening=+all
include /usr/share/dpkg/default.mk

# Fully functional Java support is still a bit spotty on some Debian
# architectures.  DISABLE_JAVAHL_ARCHS overrides ENABLE_JAVAHL=yes.
# Note: the Build-Depends line in debian/control must be kept in sync
# with DISABLE_JAVAHL_ARCHS.

ENABLE_JAVAHL        = yes
DISABLE_JAVAHL_ARCHS = hurd-i386 hppa sparc
ifneq (,$(filter $(DEB_HOST_ARCH), $(DISABLE_JAVAHL_ARCHS)))
  ENABLE_JAVAHL =
endif

# We may need to disable libapache2-mod-svn and/or libsvn-ruby*.
ENABLE_APACHE        = yes
ENABLE_RUBY          = yes

DEB_BUILDDIR     = $(CURDIR)/BUILD
MAKE_B           = $(MAKE) -C $(DEB_BUILDDIR)
AUTH_LIB_DIRS    = $(DEB_BUILDDIR)/subversion/libsvn_auth_gnome_keyring/.libs:$(DEB_BUILDDIR)/subversion/libsvn_auth_kwallet/.libs
BASH_COMPL_DIR   = $(shell pkg-config --variable=completionsdir bash-completion)

export LANG = C
export HOME = $(DEB_BUILDDIR)/dummy_home

# ENABLE_FOO -> DEB_OPT_WITH_FOO=1
# DEB_BUILD_OPTIONS='foo bar' -> DEB_OPT_FOO=1, DEB_OPT_BAR=1
# DEB_BUILD_OPTIONS='no-foo' -> DEB_OPT_WITH_FOO=""
$(foreach o, JAVAHL APACHE RUBY, $(if $(filter y yes 1,$(ENABLE_$o)), \
    $(eval DEB_OPT_WITH_$o := 1),$(eval DEB_OPT_WITH_$o :=)))
d_b_o:=$(shell echo "$$DEB_BUILD_OPTIONS" | tr 'a-z-,' 'A-Z_ ')
$(foreach o, $(d_b_o), \
  $(if $(findstring =,$o), $(eval DEB_OPT_$o), $(eval DEB_OPT_$o := 1)))
$(foreach o, $(filter NO_%,$(d_b_o)), $(eval DEB_OPT_$(subst NO_,WITH_,$o) :=))
$(if $(DEB_OPT_PARALLEL),$(eval MAKEFLAGS += -j$(DEB_OPT_PARALLEL)))

# How to fix "#!/usr/bin/env " lines:  $(call fix_shebangs_in, /your/dir)
fix_shebangs_in = \
	find $1 -type f | xargs -r egrep -m1 -c '^\#! ?/' | sed -n 's/:1//p' |\
	xargs -r sed -i -e 's:^\#! */usr/bin/env perl.*:\#!/usr/bin/perl -w:' \
			-e 's:^\#! */usr/bin/env pyth.*:\#!/usr/bin/python:' \
			-e 's:^\#! */usr/bin/env ruby.*:\#!/usr/bin/$(RUBY):'

PERL_DIR = $(DEB_BUILDDIR)/subversion/bindings/swig/perl/native
PY_DIR = $(DEB_BUILDDIR)/subversion/bindings/swig/python
PYVERSIONS = $(shell pyversions -vi)
PYDEFAULT =$(shell pyversions -vd)

allpy = \
	set -e; for v in $(PYVERSIONS); do \
		$(RM) $(PY_DIR); \
		ln -sfT python$$v $(PY_DIR); \
		pyinc=$$(python$$v-config --includes); \
		pylib=$$(python$$v -c 'from distutils import sysconfig; print sysconfig.get_python_lib()'); \
		$1; \
		ln -sfT python$(PYDEFAULT) $(PY_DIR); \
	done

allpydbg = \
	set -e; for v in $(PYVERSIONS); do \
		$(RM) $(PY_DIR); \
		ln -fs python$$v-dbg $(PY_DIR); \
		pyinc=$$(python$$v-dbg-config --includes); \
		pylib=$$(python$$v-dbg -c 'from distutils import sysconfig; print sysconfig.get_python_lib()'); \
		$1; \
	done

libdir = /usr/lib/$(DEB_HOST_MULTIARCH)
# ~max(min required sqlite, stable's sqlite)
MIN_SQLITE_VER = 3.8.7

confflags = \
		--prefix=/usr \
		--libdir=$(libdir) \
		--mandir=\$${prefix}/share/man \
		--with-apr=/usr \
		--with-apr-util=/usr \
		--with-serf=/usr \
		--enable-sqlite-compatibility-version=$(MIN_SQLITE_VER) \
		--with-berkeley-db=:::db \
		--with-sasl=/usr \
		--with-editor=/usr/bin/editor \
		--with-ruby-sitedir=/usr/lib/ruby \
		--with-ruby-test-verbose=verbose \
		--with-swig=/usr/bin/swig \
		--with-kwallet=/usr/include:$(libdir) \
		--with-lz4 \
		--with-utf8proc \
		CFLAGS="$(CFLAGS)" \
		CXXFLAGS="$(CXXFLAGS)" \
		CPPFLAGS="$(CPPFLAGS)" \
		LDFLAGS="$(LDFLAGS)" \
		--with-gnome-keyring

ifdef DEB_OPT_DEBUG
  confflags+= --enable-debug
endif

export DH_OPTIONS
ifdef DEB_OPT_WITH_JAVAHL
  # jikes 1.22 cannot compile javahl.
  confflags += --enable-javahl --without-jikes \
               --with-jdk=/usr/lib/jvm/default-java \
               --with-junit=/usr/share/java/junit.jar
else
  DH_OPTIONS += -Nlibsvn-java
  confflags += --disable-javahl
endif

ifdef DEB_OPT_WITH_APACHE
  confflags += --with-apxs=/usr/bin/apxs2 --disable-mod-activation --with-apache-libexecdir=/usr/lib/apache2/modules
else
  confflags += --without-apxs
  DH_OPTIONS += -Nlibapache2-mod-svn
endif

ifdef DEB_OPT_WITH_RUBY
  RUBY = ruby
  RUBY_ARCH_DIR = $(shell $(RUBY) -rrbconfig -e "print RbConfig::CONFIG['vendorarchdir']")
  rb_defs = SWIG_RB_SITE_LIB_DIR=$(shell $(RUBY) -rrbconfig -e "print RbConfig::CONFIG['vendordir']")
  rb_defs += SWIG_RB_SITE_ARCH_DIR=$(RUBY_ARCH_DIR)
else
  DH_OPTIONS += -Nruby-svn
  RUBY = fooby
endif


# Set autoconf cross-compile mode correctly.
# Also disable testsuite if cross-compiling.
ifeq ($(DEB_BUILD_GNU_TYPE), $(DEB_HOST_GNU_TYPE))
  confflags += --build $(DEB_HOST_GNU_TYPE)
else
  confflags += --build $(DEB_BUILD_GNU_TYPE) --host $(DEB_HOST_GNU_TYPE)
  DEB_OPT_NOCHECK = 1
endif


# I'm not trying to be difficult: this check exists because building as
# root really _does_ fail.  The failure mode as of 1.4.0 is test 17
# from switch_tests.py.  Upstream response is "so don't build as root".
# (fakeroot does not fail, as it does not wrap the access(2) syscall.)
#
# We run this code from build-arch, since that's what actually fails as
# root, but also from autogen, since that will halt the build earlier.
define DONT_BE_ROOT
	@if [ $$(id -u) = 0 ] && [ -z "$(FAKEROOTKEY)" ]; then \
		echo >&2 "***"; \
		echo >&2 "*** Building as root is not supported ***"; \
		false; \
	fi
endef

debian/stamp-autogen:
	$(DONT_BE_ROOT)
	dh_update_autotools_config
	./autogen.sh
	touch $@

debian/stamp-configure: debian/stamp-autogen
	dh_testdir

	mkdir -p $(DEB_BUILDDIR) $(HOME)
	cd $(DEB_BUILDDIR) && \
		PYTHON=/usr/bin/python RUBY=/usr/bin/$(RUBY) \
		$(CURDIR)/configure $(confflags)

	# Subversion upstream ships with Swig 1.3.25 pregenerated
	# files, which may interact badly with the build if Debian swig
	# is not version 1.3.25 - particularly with swig 1.3.24.
	# Thus we unconditionally delete the pregenerated files.
	+$(MAKE_B) mkdir-init
	+$(MAKE_B) extraclean-bindings
	for v in $(PYVERSIONS); do \
		cp -la $(PY_DIR) $(PY_DIR)$$v; \
	done
	for v in $(PYVERSIONS); do \
		cp -la $(PY_DIR) $(PY_DIR)$$v-dbg; \
	done
	$(RM) -r $(PY_DIR)
	# $(PY_DIR) always needs to exist to avoid the upstream Makefiles from
	# trying to re-create it
	ln -sfT python$(PYDEFAULT) $(PY_DIR)

	touch $@

build: debian/stamp-build-arch debian/stamp-build-indep

check_defs = CLEANUP=1 LC_ALL=C
check_swig = check-swig-py check-swig-pl $(if $(DEB_OPT_WITH_RUBY),check-swig-rb)
check_all = $(check_swig) $(if $(DEB_OPT_WITH_JAVAHL),check-javahl) check
check-help:
	@echo "$(MAKE) $(check_all)"

check check-swig-rb check-javahl: debian/stamp-build-arch
	+$(MAKE_B) $@ $(check_defs)

check-swig-pl: debian/stamp-build-arch
	+$(MAKE_B) $@ MAN3EXT=3perl $(check_defs)
	$(MAKE) -C $(PERL_DIR) test MAN3EXT=3perl LC_ALL=C

check-swig-py: debian/stamp-build-arch
	@echo checking swig-py with optimized interpreter
	$(call allpy, \
	  $(MAKE_B) $@ PYTHON=python$$v PYVER=$$v $(check_defs))
	@echo checking swig-py with debug interpreter
	$(call allpydbg, \
	  $(MAKE_B) $@ PYTHON=python$$v-dbg PYVER=$${v}_d \
		PYTHON_INCLUDES="$$pyinc" $(check_defs)) \
	 || true

build-arch: debian/stamp-build-arch
debian/stamp-build-arch: debian/stamp-configure
	dh_testdir
	$(DONT_BE_ROOT)

	# note: autogen-swig does not support -jN
	$(call allpy, $(MAKE_B) -j1 autogen-swig)
	$(call allpydbg, $(MAKE_B) -j1 autogen-swig)
	ln -sf python$(PYDEFAULT) $(PY_DIR)
	+$(MAKE_B) all tools
	# Run svn once, to make sure it populates $(HOME)/.subversion/*
	env LD_LIBRARY_PATH="$(AUTH_LIB_DIRS):$(LD_LIBRARY_PATH)" $(DEB_BUILDDIR)/subversion/svn/svn --version > /dev/null
	$(call allpy, \
	  $(MAKE_B) swig-py PYTHON=python$$v PYVER=$$v \
	            PYTHON_INCLUDES="$$pyinc" \
	            swig_pydir=$$pylib/libsvn swig_pydir_extra=$$pylib/svn)
	$(call allpydbg, \
	  $(MAKE_B) swig-py PYTHON=python$$v PYVER=$${v}_d \
	            PYTHON_INCLUDES="$$pyinc" \
	            EXTRA_SWIG_PY_CFLAGS=-O0 \
	            swig_pydir=$$pylib/libsvn swig_pydir_extra=$$pylib/svn)
	ln -sf python$(PYDEFAULT) $(PY_DIR)
	# note: swig-pl seems to have trouble with -jN
	+$(MAKE_B) -j1 swig-pl MAN3EXT=3perl
	$(MAKE) -C $(PERL_DIR) all \
		MAN3EXT=3perl OPTIMIZE="-g -Wall $(CFLAGS)"
ifdef DEB_OPT_WITH_RUBY
	+$(MAKE_B) swig-rb $(rb_defs)
endif
ifdef DEB_OPT_WITH_JAVAHL
	+$(MAKE_B) -j1 javahl
endif

	# Need to touch the stamp file here so the check-* targets
	# don't try to build this target again
	touch $@

ifndef DEB_OPT_NOCHECK
	@echo "###################################################"
	@echo "Running testsuite - may take a while.  To disable,"
	@echo "use DEB_BUILD_OPTIONS=nocheck or edit debian/rules."
	@echo
	$(MAKE) -f debian/rules $(check_swig)

  ifdef DEB_OPT_WITH_JAVAHL
	# This fails on current free JVMs, according to Blair Zajac.
	# Thus the "-" prefix, to ignore failure, for now.
	-$(MAKE) -f debian/rules check-javahl
  endif

	# Run 'check' last, as it takes longest.  'cat tests.log' is for
	# obtaining diagnostics from buildd logs.
	@if ! $(MAKE) -f debian/rules check; then \
	  echo "###################################################"; \
	  echo "Testsuite failed, 'tests.log' follows:"; echo; \
	  cat $(DEB_BUILDDIR)/tests.log; \
	  exit 1; \
	fi
endif
	touch $@

build-indep: debian/stamp-build-indep
debian/stamp-build-indep: debian/stamp-configure
	mkdir -p $(DEB_BUILDDIR)/doc/doxygen
	+$(MAKE_B) doc-api
	+$(MAKE_B) locale-gnu-pot
	touch $@

clean:
	dh_testdir
	dh_clean
	! [ -f $(DEB_BUILDDIR)/Makefile ] || $(MAKE_B) extraclean-bindings distclean
	$(RM) -r $(DEB_BUILDDIR)
	$(RM) -r subversion/bindings/swig/ruby/test/.test-result
	$(RM) build-outputs.mk gen-make.opts subversion/svn_private_config.h.in
	$(RM) build/transform_libtool_scripts.sh
	$(RM) subversion/libsvn_fs_fs/rep-cache-db.h subversion/libsvn_fs_x/rep-cache-db.h
	$(RM) subversion/libsvn_client/libsvn_client.pc.in subversion/libsvn_ra/libsvn_ra.pc.in
	$(RM) subversion/libsvn_subr/internal_statements.h subversion/libsvn_subr/errorcode.inc subversion/libsvn_subr/config_keys.inc
	$(RM) subversion/libsvn_wc/wc-queries.h subversion/tests/libsvn_wc/wc-test-queries.h
	find -name \*.pyc -exec $(RM) {} +
	# these are (re)generated by autogen.sh
	$(RM) subversion/bindings/swig/proxy/*.swg
	$(RM) configure build/ltmain.sh build/libtool.m4 build/lt*.m4
	$(RM) subversion/po/subversion.pot
	$(RM) debian/stamp-*
	$(RM) -r debian/tmp-dbg

debian/stamp-install-indep: debian/stamp-build-indep
	dh_prep -i
	dh_installdirs -i

	dh_install -i
	dh_installdocs -i NOTICE

	$(RM) debian/libsvn-doc/usr/share/doc/libsvn1/html/jquery.js
	dh_installexamples -i
	$(call fix_shebangs_in, debian/*/usr/share/doc/*/examples)
	dh_installman -i
	dh_installchangelogs -i CHANGES

	dh_lintian -i
	dh_compress -i
	dh_fixperms -i
	dh_perl -i
	dh_link -i
	dh_missing -i --list-missing

	touch $@

debian/stamp-install-arch: debian/stamp-build-arch
	dh_prep -a
	dh_installdirs -a

	$(MAKE_B) -j1 local-install install-tools \
		DESTDIR=$(CURDIR)/debian/tmp toolsdir=/usr/bin pkgconfig_dir=$(libdir)/pkgconfig
	sed -i 's:/usr/lib/\([^/]*/\)?lib\([^ ]*\).la:-l\1:g' debian/tmp/usr/lib/*/*.la

	$(call allpydbg, \
	  $(MAKE_B) install-swig-py DESTDIR=$(CURDIR)/debian/tmp \
	            PYTHON=python$$v-dbg PYVER=$${v}_d \
	            PYTHON_INCLUDES="$$pyinc" \
	            EXTRA_SWIG_PY_CFLAGS=-O0 \
	            swig_pydir=$$pylib/libsvn swig_pydir_extra=$$pylib/svn)
	for i in $$(find debian/tmp/usr/lib/python* -name '*.so'); do \
	  b=$$(basename $$i .so); \
	  mv $$i $$(dirname $$i)/$${b}_d.so; \
	done
	find debian/tmp/usr/lib/python* \
		! -type d ! -name '*.so' ! -name '*.so.*' | xargs -r rm -f
	$(call allpy, \
	  $(MAKE_B) install-swig-py DESTDIR=$(CURDIR)/debian/tmp \
	            PYTHON=python$$v PYVER=$$v \
	            swig_pydir=$$pylib/libsvn swig_pydir_extra=$$pylib/svn)
	$(RM) debian/tmp/usr/lib/python*/*-packages/libsvn/*.la
	$(RM) debian/tmp/usr/lib/python*/*-packages/libsvn/*.a

ifdef DEB_OPT_WITH_JAVAHL
	$(MAKE_B) install-javahl install-javahl-java \
		DESTDIR=$(CURDIR)/debian/tmp \
		javahl_javadir=/usr/share/java \
		javahl_javahdir=/usr/include/svn-javahl
endif

	$(MAKE_B) install-swig-pl-lib \
		DESTDIR=$(CURDIR)/debian/tmp
	$(MAKE) -C $(PERL_DIR) install \
		MAN3EXT=3perl DESTDIR=$(CURDIR)/debian/tmp INSTALLDIRS=vendor

ifdef DEB_OPT_WITH_RUBY
	$(MAKE_B) install-swig-rb $(rb_defs) \
		DESTDIR=$(CURDIR)/debian/tmp
	find debian/tmp$(RUBY_ARCH_DIR) \( -name \*.a -o -name \*.la \) -exec $(RM) {} +
	dh_install --autodest -pruby-svn debian/tmp$(RUBY_ARCH_DIR)
endif

	rm -f debian/tmp/usr/lib/apache2/modules/mod_dontdothat*
	rm -f debian/tmp/usr/bin/diff*

	cd debian/tmp/$(libdir); for lib in fs auth swig; do \
	    $(RM) libsvn_$${lib}_*.so libsvn_$${lib}_*.la; \
	done
	# libsvn_ra_svn is public, although deprecated, so we can't blindly
	# remove all libsvn_ra_*
	cd debian/tmp/$(libdir); \
	    $(RM) libsvn_ra_serf-*.so libsvn_ra_serf-*.la \
	          libsvn_ra_local-*.so libsvn_ra_local-*.la
	cd debian/tmp/$(libdir); $(RM) libsvn_swig*.a libsvnjavahl-1.a libsvnjavahl-1.la
	# Intermediate hack, until we can remove the rest of the .la files.
	sed -i  "/dependency_libs/s/=.*/=''/" debian/tmp/$(libdir)/*.la

	# There are some non-ELF files in /usr/bin, so ignore errors
	chrpath --keepgoing --delete "$(CURDIR)/debian/tmp/usr/bin/"* || true
	find "$(CURDIR)/debian/tmp$(libdir)" -type f -name '*.so' -exec chmod u+w '{}' + -exec chrpath --delete '{}' +
	dh_install -a

	# Install files for 'subversion-tools' package.
	install $(DEB_BUILDDIR)/tools/backup/hot-backup.py \
		debian/subversion-tools/usr/bin/svn-hot-backup
	install -t debian/subversion-tools/usr/share/subversion/hook-scripts \
		$(DEB_BUILDDIR)/tools/hook-scripts/commit-access-control.pl

	rm debian/subversion-tools/usr/share/subversion/hook-scripts/*.in
	rm -r debian/subversion-tools/usr/share/subversion/hook-scripts/mailer/tests
ifndef DEB_OPT_WITH_RUBY
	rm debian/subversion-tools/usr/share/subversion/hook-scripts/*.rb
endif

	# Fix some scripts not to use #!/usr/bin/env.
	$(call fix_shebangs_in, debian/*/usr/bin \
		debian/subversion-tools/usr/share/subversion/hook-scripts)
	cd debian/subversion-tools/usr/share/subversion/hook-scripts; \
		chmod 0755 commit-email.pl commit-access-control.pl \
			   mailer/mailer.py verify-po.py svnperms.py;

	# Remove suffixes from binaries in /usr/bin
	rename 's/\.(sh|pl|rb|py)$$//' debian/*/usr/bin/*

	pod2man -c 'User Commands' -r "" debian/contrib/svn-clean \
		$(DEB_BUILDDIR)/svn-clean.1

ifdef DEB_OPT_WITH_JAVAHL
	mkdir -p debian/libsvn-java/$(libdir)
	mv debian/libsvn-java/usr/lib/jni debian/libsvn-java/$(libdir)/
	$(RM) debian/libsvn-dev/$(libdir)/libsvnjavahl-1.so
endif

	# move the python debug modules to the -dbg package
	mkdir -p debian/python-subversion-dbg/$(libdir)
	(cd debian/python-subversion && tar cf - $$(find -name '*_d.so')) \
	  | (cd debian/python-subversion-dbg && tar xf - )
	mv debian/python-subversion/$(libdir)/libsvn_swig_py*d-1.so.* \
	  debian/python-subversion-dbg/$(libdir)/
	find debian/python-subversion -name '*_d.so' | xargs rm -f

	install -d "debian/subversion/$(BASH_COMPL_DIR)"
	install -m644 tools/client-side/bash_completion \
		"debian/subversion/$(BASH_COMPL_DIR)/svn"
	cd "debian/subversion/$(BASH_COMPL_DIR)" \
	  && ln -s svn svnadmin \
	  && ln -s svn svndumpfilter \
	  && ln -s svn svnlook \
	  && ln -s svn svnversion

	dh_apache2 -a
ifdef DEB_OPT_WITH_APACHE
	install subversion/mod_authz_svn/INSTALL \
		debian/libapache2-mod-svn/usr/share/doc/libapache2-mod-svn/INSTALL.authz
endif

	cp tools/examples/svnshell.py debian/python-subversion/usr/bin/svnshell
	$(call fix_shebangs_in, debian/python-subversion/usr/bin/svnshell)

	dh_installdocs -a NOTICE
	dh_installexamples -a
	$(call fix_shebangs_in, debian/*/usr/share/doc/*/examples)
	dh_installman -a
	dh_installchangelogs -a CHANGES
	dh_perl -a
	dh_python2 -a
	dh_link -a
	dh_lintian -a
	dh_fixperms -a
	dh_missing -a --list-missing

	touch $@

binary-indep: debian/stamp-install-indep
	dh_testdir
	dh_testroot
	dh_installdeb -i
	dh_gencontrol -i
	dh_md5sums -i
	dh_builddeb -i

binary-arch: debian/stamp-install-arch
	dh_testdir
	dh_testroot
	dh_strip -a -Npython-subversion
	dh_strip -ppython-subversion --dbg-package=python-subversion-dbg
	rm -rf debian/python-subversion-dbg/usr/share/doc/python-subversion-dbg
	ln -s python-subversion \
		debian/python-subversion-dbg/usr/share/doc/python-subversion-dbg
	dh_compress -a

	# dh_makeshlibs (1) creates shlibs/symbols files and (2) generates
	# calls to 'ldconfig' in postinst/postrm.  We want (1) only for
	# libsvn1, but (2) for the swig packages too.
	dh_makeshlibs -a -Xjava -X_auth_ -X_ra_serf -X_ra_local -X_fs_
	$(RM) debian/libsvn-*/DEBIAN/shlibs debian/python-subversion/DEBIAN/shlibs
	$(RM) debian/libsvn-*/DEBIAN/symbols debian/python-subversion/DEBIAN/symbols
	dh_installdeb -a
	dh_shlibdeps -a -X_auth_
	sed -i 's:libsvn-private\(, *\)\?::' debian/*.substvars
ifeq ($(DEB_VENDOR),Ubuntu)
	dh_gencontrol -a -- -V"subversion-tools:Suggests=svn2cl"
else
	dh_gencontrol -a -- -V"subversion-tools:Recommends=svn2cl"
endif
	dh_md5sums -a
	dh_builddeb -a

binary: binary-indep binary-arch

.NOTPARALLEL:
.PHONY: build build-arch build-indep binary binary-arch binary-indep
.PHONY: clean check-help $(check_all)
