#!/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')
#   -j[N]       Passed into child 'make' processes for parallel builds

# 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 := m68k mips mipsel arm hurd-i386

# We may need to disable libapache2-svn for one reason or another.
ENABLE_APACHE        := yes

PWD              := $(shell pwd)
DEB_BUILDDIR     := BUILD
MAKE_B           := $(MAKE) -C $(DEB_BUILDDIR)

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

DPATCH_STAMPFN := debian/stamp-patch
include /usr/share/dpatch/dpatch.make

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

# turn DEB_BUILD_OPTIONS='foo,bar' into DEB_BUILD_OPT_FOO and DEB_BUILD_OPT_BAR
d_b_o:=$(shell echo "$$DEB_BUILD_OPTIONS"|sed 's/[^-[:alnum:]]/ /g'|tr a-z A-Z)
$(foreach o, $(d_b_o), $(eval DEB_BUILD_OPT_$o := 1))
MAKE_-J := $(subst -J,-j,$(filter -J%, $(d_b_o)))

# 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_BINDINGDIR := subversion/bindings/swig/perl/native

confflags := \
		--mandir=\$${prefix}/share/man \
		--with-apr=/usr \
		--with-apr-util=/usr \
		--with-neon=/usr \
		--prefix=/usr \
		--with-berkeley-db=/usr \
		--with-editor=/usr/bin/editor \
		--with-ruby-sitedir=/usr/lib/ruby \
		--with-swig=/usr

ifdef DEB_BUILD_OPT_DEBUG
  confflags+= --enable-debug 
endif
export EXTRA_CFLAGS := -O2
ifdef DEB_BUILD_OPT_NOOPT
  EXTRA_CFLAGS := -O0
endif

ifneq (,$(filter $(DEB_HOST_ARCH), $(DISABLE_JAVAHL_ARCHS)))
  ENABLE_JAVAHL :=
endif

export DH_OPTIONS
ifeq ($(ENABLE_JAVAHL), yes)
  # jikes 1.22 cannot compile javahl.
  confflags += --enable-javahl --without-jikes \
               --with-jdk=/usr/lib/jvm/java-gcj \
               --with-junit=/usr/share/java/junit.jar
else
  DH_OPTIONS += -Nlibsvn-java -Nlibsvn-javahl
endif

ifeq ($(ENABLE_APACHE), yes)
  confflags += --with-apxs=/usr/bin/apxs2 --disable-mod-activation
else
  confflags += --without-apxs
  DH_OPTIONS += -Nlibapache2-svn
endif

# FOR AUTOCONF 2.52 AND NEWER ONLY
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)
endif


# Run testsuite?  RUN_TESTS will be set based on (a) existence of
# DEB_BUILD_OPTIONS='nocheck' or 'notest', (b) whether cross-compiling

RUN_TESTS :=

ifdef DEB_BUILD_OPT_NOTEST
  DEB_BUILD_OPT_NOCHECK := 1
endif
ifndef DEB_BUILD_OPT_NOCHECK
  ifeq ($(DEB_BUILD_GNU_TYPE), $(DEB_HOST_GNU_TYPE))
    RUN_TESTS := 1
  endif
endif

PYTHON := python$(shell python -V 2>&1 | sed 's/.* \([0-9]\+\.[0-9]\+\).*/\1/')
RUBY_PKG   := $(shell dh_listpackages | grep 'libsvn-ruby.')
RUBY   := $(patsubst libsvn-%,%,$(RUBY_PKG))

TESTS_LD_LIBRARY_PATH := $(PWD)/$(DEB_BUILDDIR)/subversion/tests/.libs

# 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

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

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

	mkdir -p $(DEB_BUILDDIR)
	cd $(DEB_BUILDDIR) && \
		PYTHON=/usr/bin/python RUBY=/usr/bin/$(RUBY) \
		$(PWD)/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) extraclean-swig

	touch $@

build: build-arch build-indep

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

	# note: autogen-swig does not support -jN
	$(MAKE_B) autogen-swig
	$(MAKE_B) $(MAKE_-J) all SVN_DB_LIBS=-ldb
	$(MAKE_B) $(MAKE_-J) swig-py swig-pl swig-rb \
		swig_pydir=/usr/lib/$(PYTHON)/site-packages/libsvn \
		swig_pydir_extra=/usr/lib/$(PYTHON)/site-packages/svn

	$(MAKE) -C $(DEB_BUILDDIR)/$(PERL_BINDINGDIR) $(MAKE_-J) all \
		OPTIMIZE="-g -Wall $(EXTRA_CFLAGS)"

ifeq ($(ENABLE_JAVAHL), yes)
	$(MAKE_B) javahl \
		javahl_javadir=/usr/share/java \
		javahl_libdir=/usr/lib \
		javahl_javahdir=/usr/include/svn-javahl
endif
	touch $@

ifneq ($(RUN_TESTS),)
	@echo "###################################################"
	@echo "Running testsuite - may take a while.  To disable,"
	@echo "use DEB_BUILD_OPTIONS=nocheck or edit debian/rules."
	@echo
	$(MAKE) $(MAKE_-J) -f debian/rules \
	   check-swig-py check-swig-pl check-swig-rb

ifeq ($(ENABLE_JAVAHL), yes)
	# This fails on current free JVMs, according to Blair Zajac.
	# Thus the "-" prefix, to ignore failure, for now.
	-$(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: configure debian/stamp-build-indep
debian/stamp-build-indep:
	$(MAKE_B) doc-api
	touch $@

clean: unpatch clean2
clean2:
	dh_testdir
	dh_testroot
	dh_clean
	$(MAKE) -C debian/tools clean
	-$(MAKE_B) extraclean
	$(RM) -r $(DEB_BUILDDIR)
	$(RM) build-outputs.mk gen-make.opts subversion/svn_private_config.h.in
	find * -name \*.pyc -print0 | xargs -0 $(RM)
	# these are (re)generated by autogen.sh
	$(RM) configure build/libtool.m4 build/ltmain.sh
	$(RM) debian/stamp-*

install-common: debian/stamp-install-common
debian/stamp-install-common:
	dh_testdir
	dh_testroot
	dh_clean -k
	for package in `dh_listpackages` ; do \
		if [ -f debian/NEWS.Debian ] ; then \
			mkdir -p debian/$$package/usr/share/doc/$$package; \
			cp debian/NEWS.Debian \
				debian/$$package/usr/share/doc/$$package; \
		fi; \
		lintiandir=debian/$$package/usr/share/lintian/overrides; \
		if grep -q ^$$package: debian/lintian-overrides; then \
			mkdir -p $$lintiandir; \
			grep -B1 ^$$package: debian/lintian-overrides \
			    > $$lintiandir/$$package; \
		fi; \
	done

	touch $@

install-indep: build-indep install-common debian/stamp-install-indep
debian/stamp-install-indep:
	dh_installdirs -i
	dh_install -i

	mkdir -p debian/libsvn-doc/usr/share/doc/libsvn1
	mkdir -p debian/libsvn-doc/usr/share/doc/libsvn-doc
	cp -a $(DEB_BUILDDIR)/doc/doxygen/html \
		debian/libsvn-doc/usr/share/doc/libsvn1/
	ln -s ../libsvn1/html debian/libsvn-doc/usr/share/doc/libsvn-doc/
	mkdir debian/libsvn-doc/usr/share/doc/libsvn1/examples
	ln -s ../libsvn1/examples debian/libsvn-doc/usr/share/doc/libsvn-doc/

	# Install files for 'subversion-tools' package.
	install BUILD/tools/backup/hot-backup.py \
		debian/subversion-tools/usr/bin/svn-hot-backup

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

	# 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
	prename 's/\.(sh|pl|rb|py)$$//' debian/*/usr/bin/*

	pod2man -c 'User Commands' -r "" contrib/client-side/svn-clean \
		BUILD/contrib/client-side/svn-clean.1

	touch $@

install-arch: build-arch install-common debian/stamp-install-arch
debian/stamp-install-arch:
	dh_installdirs -s

	$(MAKE_B) local-install \
		DESTDIR=$(PWD)/debian/tmp
	sed -i 's:/usr/lib/lib\([^ ]*\).la:-l\1:g' debian/tmp/usr/lib/*.la

	$(MAKE_B) install-swig-py \
		DESTDIR=$(PWD)/debian/tmp \
		swig_pydir=/usr/lib/$(PYTHON)/site-packages/libsvn \
		swig_pydir_extra=/usr/lib/$(PYTHON)/site-packages/svn
	$(RM) debian/tmp/usr/lib/$(PYTHON)/site-packages/libsvn/*.la
	$(RM) debian/tmp/usr/lib/$(PYTHON)/site-packages/libsvn/*.a

ifeq ($(ENABLE_JAVAHL), yes)
	$(MAKE_B) install-javahl \
		DESTDIR=$(PWD)/debian/tmp \
		javahl_javadir=/usr/share/java \
		javahl_libdir=/usr/lib \
		javahl_javahdir=/usr/include/svn-javahl
endif

	# Create our default configuration files to be installed in
	# /etc/subversion/
	$(MAKE) -C debian/tools \
	       LD_LIBRARY_PATH=$(PWD)/debian/tmp/usr/lib \
	       DEB_SRCDIR=$(PWD) DEB_BUILDDIR=$(PWD)/$(DEB_BUILDDIR)

	$(MAKE_B) install-swig-pl-lib \
		DESTDIR=$(PWD)/debian/tmp
	$(MAKE) -C $(DEB_BUILDDIR)/$(PERL_BINDINGDIR) install \
		MAN3EXT=3perl DESTDIR=$(PWD)/debian/tmp

	$(MAKE_B) install-swig-rb \
		DESTDIR=$(PWD)/debian/tmp
	find debian/tmp/usr/lib/ruby \( -name \*.a -o -name \*.la \) -print0 | \
		xargs -0 $(RM)

	dh_install -s

	install -m644 tools/client-side/bash_completion \
		debian/subversion/etc/bash_completion.d/subversion

ifeq ($(ENABLE_APACHE), yes)
	install subversion/mod_authz_svn/INSTALL \
		debian/libapache2-svn/usr/share/doc/libapache2-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)

	touch $@

CHECK_DEFS := CLEANUP=true LC_ALL=C LD_LIBRARY_PATH="$(TESTS_LD_LIBRARY_PATH)"
CHECK_ALL := check-swig-py check-swig-pl check-swig-rb check
ifeq ($(ENABLE_JAVAHL), yes)
  CHECK_ALL += check-javahl
endif
check-all: $(CHECK_ALL)
check-help:
	@echo "$(MAKE) $(CHECK_ALL)"

$(CHECK_ALL)::
	$(MAKE_B) $@ $(CHECK_DEFS)
check-swig-pl::
	$(MAKE) -C $(DEB_BUILDDIR)/$(PERL_BINDINGDIR) test LC_ALL=C

binary-indep: build-indep install-indep
	dh_testdir
	dh_testroot
	dh_installdocs -i
	dh_installexamples -i
	$(call fix_shebangs_in, debian/*/usr/share/doc/*/examples)
	dh_installman -i
	dh_installchangelogs -i CHANGES
	$(RM) -r debian/libsvn-ruby/usr/share/doc/libsvn-ruby
	$(RM) -r debian/libsvn-javahl/usr/share/doc/libsvn-javahl
	ln -s $(RUBY_PKG) debian/libsvn-ruby/usr/share/doc/libsvn-ruby
	ln -s libsvn-java debian/libsvn-javahl/usr/share/doc/libsvn-javahl
	dh_compress -i
	dh_fixperms -i
	dh_perl -i
	dh_installdeb -i
	dh_gencontrol -i
	dh_md5sums -i
	dh_builddeb -i

binary-arch: build-arch install-arch
	dh_testdir
	dh_testroot
	dh_installdocs -s
	dh_installexamples -s
	$(call fix_shebangs_in, debian/*/usr/share/doc/*/examples)
	dh_installchangelogs -s CHANGES
	dh_fixperms -s
	dh_strip -s
	dh_compress -s
	dh_makeshlibs -s -V'libsvn1 (>= 1.4)'
	dh_perl -s
	dh_pysupport -s
	dh_installdeb -s
	dh_shlibdeps -s -l$(PWD)/debian/libsvn1/usr/lib
	dh_gencontrol -s
	dh_md5sums -s
	dh_builddeb -s

binary: binary-indep binary-arch
.PHONY: clean clean2 build binary install configure autogen
.PHONY: build-arch build-indep install-arch install-indep install-common
.PHONY: binary-arch binary-indep check-help $(CHECK_ALL)