+# Makefile for PO directory in any package using GNU gettext.
+# Copyright (C) 1995-1997, 2000-2006 by Ulrich Drepper <drepper@gnu.ai.mit.edu>
+#
+# This file can be copied and used freely without restrictions. It can
+# be used in projects which are not available under the GNU General Public
+# License but which still want to provide support for the GNU gettext
+# functionality.
+# Please note that the actual code of GNU gettext is covered by the GNU
+# General Public License and is *not* in the public domain.
+#
+# Origin: gettext-0.16
+
+PACKAGE = prss
+VERSION = 0.0.x
+PACKAGE_BUGREPORT = jeanfi@gmail.com
+
+SHELL = /bin/sh
+
+
+srcdir = .
+top_srcdir = ..
+
+
+prefix = /tmp/p
+exec_prefix = ${prefix}
+datarootdir = ${prefix}/share
+datadir = ${datarootdir}
+localedir = ${datarootdir}/locale
+gettextsrcdir = $(datadir)/gettext/po
+
+INSTALL = /usr/bin/install -c
+INSTALL_DATA = ${INSTALL} -m 644
+
+# We use $(mkdir_p).
+# In automake <= 1.9.x, $(mkdir_p) is defined either as "mkdir -p --" or as
+# "$(mkinstalldirs)" or as "$(install_sh) -d". For these automake versions,
+# ${SHELL} /home/jporsini/work.local/wpitchoune/svnpub/prss/trunk/install-sh does not start with $(SHELL), so we add it.
+# In automake >= 1.10, /bin/mkdir -p is derived from ${MKDIR_P}, which is defined
+# either as "/path/to/mkdir -p" or ".../install-sh -c -d". For these automake
+# versions, $(mkinstalldirs) and $(install_sh) are unused.
+mkinstalldirs = $(SHELL) ${SHELL} /home/jporsini/work.local/wpitchoune/svnpub/prss/trunk/install-sh -d
+install_sh = $(SHELL) ${SHELL} /home/jporsini/work.local/wpitchoune/svnpub/prss/trunk/install-sh
+MKDIR_P = /bin/mkdir -p
+mkdir_p = /bin/mkdir -p
+
+GMSGFMT_ = /usr/bin/msgfmt
+GMSGFMT_no = /usr/bin/msgfmt
+GMSGFMT_yes = /usr/bin/msgfmt
+GMSGFMT = $(GMSGFMT_$(USE_MSGCTXT))
+MSGFMT_ = /usr/bin/msgfmt
+MSGFMT_no = /usr/bin/msgfmt
+MSGFMT_yes = /usr/bin/msgfmt
+MSGFMT = $(MSGFMT_$(USE_MSGCTXT))
+XGETTEXT_ = /usr/bin/xgettext
+XGETTEXT_no = /usr/bin/xgettext
+XGETTEXT_yes = /usr/bin/xgettext
+XGETTEXT = $(XGETTEXT_$(USE_MSGCTXT))
+MSGMERGE = msgmerge
+MSGMERGE_UPDATE = /usr/bin/msgmerge --update
+MSGINIT = msginit
+MSGCONV = msgconv
+MSGFILTER = msgfilter
+
+POFILES = fr.po
+GMOFILES = fr.gmo
+UPDATEPOFILES = fr.po-update
+DUMMYPOFILES = fr.nop
+DISTFILES.common = Makefile.in.in remove-potcdate.sin \
+$(DISTFILES.common.extra1) $(DISTFILES.common.extra2) $(DISTFILES.common.extra3)
+DISTFILES = $(DISTFILES.common) Makevars POTFILES.in \
+$(POFILES) $(GMOFILES) \
+$(DISTFILES.extra1) $(DISTFILES.extra2) $(DISTFILES.extra3)
+
+POTFILES = \
+ ../src/main.c
+
+CATALOGS = fr.gmo
+
+# Makevars gets inserted here. (Don't remove this line!)
+# Makefile variables for PO directory in any package using GNU gettext.
+
+# Usually the message domain is the same as the package name.
+DOMAIN = $(PACKAGE)
+
+# These two variables depend on the location of this directory.
+subdir = po
+top_builddir = ..
+
+# These options get passed to xgettext.
+XGETTEXT_OPTIONS = --keyword=_ --keyword=N_
+
+# This is the copyright holder that gets inserted into the header of the
+# $(DOMAIN).pot file. Set this to the copyright holder of the surrounding
+# package. (Note that the msgstr strings, extracted from the package's
+# sources, belong to the copyright holder of the package.) Translators are
+# expected to transfer the copyright for their translations to this person
+# or entity, or to disclaim their copyright. The empty string stands for
+# the public domain; in this case the translators are expected to disclaim
+# their copyright.
+COPYRIGHT_HOLDER = Free Software Foundation, Inc.
+
+# This is the email address or URL to which the translators shall report
+# bugs in the untranslated strings:
+# - Strings which are not entire sentences, see the maintainer guidelines
+# in the GNU gettext documentation, section 'Preparing Strings'.
+# - Strings which use unclear terms or require additional context to be
+# understood.
+# - Strings which make invalid assumptions about notation of date, time or
+# money.
+# - Pluralisation problems.
+# - Incorrect English spelling.
+# - Incorrect formatting.
+# It can be your email address, or a mailing list address where translators
+# can write to without being subscribed, or the URL of a web page through
+# which the translators can contact you.
+MSGID_BUGS_ADDRESS =
+
+# This is the list of locale categories, beyond LC_MESSAGES, for which the
+# message catalogs shall be used. It is usually empty.
+EXTRA_LOCALE_CATEGORIES =
+
+.SUFFIXES:
+.SUFFIXES: .po .gmo .mo .sed .sin .nop .po-create .po-update
+
+.po.mo:
+ @echo "$(MSGFMT) -c -o $@ $<"; \
+ $(MSGFMT) -c -o t-$@ $< && mv t-$@ $@
+
+.po.gmo:
+ @lang=`echo $* | sed -e 's,.*/,,'`; \
+ test "$(srcdir)" = . && cdcmd="" || cdcmd="cd $(srcdir) && "; \
+ echo "$${cdcmd}rm -f $${lang}.gmo && $(GMSGFMT) -c --statistics -o $${lang}.gmo $${lang}.po"; \
+ cd $(srcdir) && rm -f $${lang}.gmo && $(GMSGFMT) -c --statistics -o t-$${lang}.gmo $${lang}.po && mv t-$${lang}.gmo $${lang}.gmo
+
+.sin.sed:
+ sed -e '/^#/d' $< > t-$@
+ mv t-$@ $@
+
+
+all: all-yes
+
+all-yes: stamp-po
+all-no:
+
+# $(srcdir)/$(DOMAIN).pot is only created when needed. When xgettext finds no
+# internationalized messages, no $(srcdir)/$(DOMAIN).pot is created (because
+# we don't want to bother translators with empty POT files). We assume that
+# LINGUAS is empty in this case, i.e. $(POFILES) and $(GMOFILES) are empty.
+# In this case, stamp-po is a nop (i.e. a phony target).
+
+# stamp-po is a timestamp denoting the last time at which the CATALOGS have
+# been loosely updated. Its purpose is that when a developer or translator
+# checks out the package via CVS, and the $(DOMAIN).pot file is not in CVS,
+# "make" will update the $(DOMAIN).pot and the $(CATALOGS), but subsequent
+# invocations of "make" will do nothing. This timestamp would not be necessary
+# if updating the $(CATALOGS) would always touch them; however, the rule for
+# $(POFILES) has been designed to not touch files that don't need to be
+# changed.
+stamp-po: $(srcdir)/$(DOMAIN).pot
+ test ! -f $(srcdir)/$(DOMAIN).pot || \
+ test -z "$(GMOFILES)" || $(MAKE) $(GMOFILES)
+ @test ! -f $(srcdir)/$(DOMAIN).pot || { \
+ echo "touch stamp-po" && \
+ echo timestamp > stamp-poT && \
+ mv stamp-poT stamp-po; \
+ }
+
+# Note: Target 'all' must not depend on target '$(DOMAIN).pot-update',
+# otherwise packages like GCC can not be built if only parts of the source
+# have been downloaded.
+
+# This target rebuilds $(DOMAIN).pot; it is an expensive operation.
+# Note that $(DOMAIN).pot is not touched if it doesn't need to be changed.
+$(DOMAIN).pot-update: $(POTFILES) $(srcdir)/POTFILES.in remove-potcdate.sed
+ if test -n '$(MSGID_BUGS_ADDRESS)' || test '$(PACKAGE_BUGREPORT)' = '@'PACKAGE_BUGREPORT'@'; then \
+ msgid_bugs_address='$(MSGID_BUGS_ADDRESS)'; \
+ else \
+ msgid_bugs_address='$(PACKAGE_BUGREPORT)'; \
+ fi; \
+ $(XGETTEXT) --default-domain=$(DOMAIN) --directory=$(top_srcdir) \
+ --add-comments=TRANSLATORS: $(XGETTEXT_OPTIONS) \
+ --files-from=$(srcdir)/POTFILES.in \
+ --copyright-holder='$(COPYRIGHT_HOLDER)' \
+ --msgid-bugs-address="$$msgid_bugs_address"
+ test ! -f $(DOMAIN).po || { \
+ if test -f $(srcdir)/$(DOMAIN).pot; then \
+ sed -f remove-potcdate.sed < $(srcdir)/$(DOMAIN).pot > $(DOMAIN).1po && \
+ sed -f remove-potcdate.sed < $(DOMAIN).po > $(DOMAIN).2po && \
+ if cmp $(DOMAIN).1po $(DOMAIN).2po >/dev/null 2>&1; then \
+ rm -f $(DOMAIN).1po $(DOMAIN).2po $(DOMAIN).po; \
+ else \
+ rm -f $(DOMAIN).1po $(DOMAIN).2po $(srcdir)/$(DOMAIN).pot && \
+ mv $(DOMAIN).po $(srcdir)/$(DOMAIN).pot; \
+ fi; \
+ else \
+ mv $(DOMAIN).po $(srcdir)/$(DOMAIN).pot; \
+ fi; \
+ }
+
+# This rule has no dependencies: we don't need to update $(DOMAIN).pot at
+# every "make" invocation, only create it when it is missing.
+# Only "make $(DOMAIN).pot-update" or "make dist" will force an update.
+$(srcdir)/$(DOMAIN).pot:
+ $(MAKE) $(DOMAIN).pot-update
+
+# This target rebuilds a PO file if $(DOMAIN).pot has changed.
+# Note that a PO file is not touched if it doesn't need to be changed.
+$(POFILES): $(srcdir)/$(DOMAIN).pot
+ @lang=`echo $@ | sed -e 's,.*/,,' -e 's/\.po$$//'`; \
+ if test -f "$(srcdir)/$${lang}.po"; then \
+ test "$(srcdir)" = . && cdcmd="" || cdcmd="cd $(srcdir) && "; \
+ echo "$${cdcmd}$(MSGMERGE_UPDATE) $${lang}.po $(DOMAIN).pot"; \
+ cd $(srcdir) && $(MSGMERGE_UPDATE) $${lang}.po $(DOMAIN).pot; \
+ else \
+ $(MAKE) $${lang}.po-create; \
+ fi
+
+
+install: install-exec install-data
+install-exec:
+install-data: install-data-yes
+ if test "$(PACKAGE)" = "gettext-tools"; then \
+ $(mkdir_p) $(DESTDIR)$(gettextsrcdir); \
+ for file in $(DISTFILES.common) Makevars.template; do \
+ $(INSTALL_DATA) $(srcdir)/$$file \
+ $(DESTDIR)$(gettextsrcdir)/$$file; \
+ done; \
+ for file in Makevars; do \
+ rm -f $(DESTDIR)$(gettextsrcdir)/$$file; \
+ done; \
+ else \
+ : ; \
+ fi
+install-data-no: all
+install-data-yes: all
+ $(mkdir_p) $(DESTDIR)$(datadir)
+ @catalogs='$(CATALOGS)'; \
+ for cat in $$catalogs; do \
+ cat=`basename $$cat`; \
+ lang=`echo $$cat | sed -e 's/\.gmo$$//'`; \
+ dir=$(localedir)/$$lang/LC_MESSAGES; \
+ $(mkdir_p) $(DESTDIR)$$dir; \
+ if test -r $$cat; then realcat=$$cat; else realcat=$(srcdir)/$$cat; fi; \
+ $(INSTALL_DATA) $$realcat $(DESTDIR)$$dir/$(DOMAIN).mo; \
+ echo "installing $$realcat as $(DESTDIR)$$dir/$(DOMAIN).mo"; \
+ for lc in '' $(EXTRA_LOCALE_CATEGORIES); do \
+ if test -n "$$lc"; then \
+ if (cd $(DESTDIR)$(localedir)/$$lang && LC_ALL=C ls -l -d $$lc 2>/dev/null) | grep ' -> ' >/dev/null; then \
+ link=`cd $(DESTDIR)$(localedir)/$$lang && LC_ALL=C ls -l -d $$lc | sed -e 's/^.* -> //'`; \
+ mv $(DESTDIR)$(localedir)/$$lang/$$lc $(DESTDIR)$(localedir)/$$lang/$$lc.old; \
+ mkdir $(DESTDIR)$(localedir)/$$lang/$$lc; \
+ (cd $(DESTDIR)$(localedir)/$$lang/$$lc.old && \
+ for file in *; do \
+ if test -f $$file; then \
+ ln -s ../$$link/$$file $(DESTDIR)$(localedir)/$$lang/$$lc/$$file; \
+ fi; \
+ done); \
+ rm -f $(DESTDIR)$(localedir)/$$lang/$$lc.old; \
+ else \
+ if test -d $(DESTDIR)$(localedir)/$$lang/$$lc; then \
+ :; \
+ else \
+ rm -f $(DESTDIR)$(localedir)/$$lang/$$lc; \
+ mkdir $(DESTDIR)$(localedir)/$$lang/$$lc; \
+ fi; \
+ fi; \
+ rm -f $(DESTDIR)$(localedir)/$$lang/$$lc/$(DOMAIN).mo; \
+ ln -s ../LC_MESSAGES/$(DOMAIN).mo $(DESTDIR)$(localedir)/$$lang/$$lc/$(DOMAIN).mo 2>/dev/null || \
+ ln $(DESTDIR)$(localedir)/$$lang/LC_MESSAGES/$(DOMAIN).mo $(DESTDIR)$(localedir)/$$lang/$$lc/$(DOMAIN).mo 2>/dev/null || \
+ cp -p $(DESTDIR)$(localedir)/$$lang/LC_MESSAGES/$(DOMAIN).mo $(DESTDIR)$(localedir)/$$lang/$$lc/$(DOMAIN).mo; \
+ echo "installing $$realcat link as $(DESTDIR)$(localedir)/$$lang/$$lc/$(DOMAIN).mo"; \
+ fi; \
+ done; \
+ done
+
+install-strip: install
+
+installdirs: installdirs-exec installdirs-data
+installdirs-exec:
+installdirs-data: installdirs-data-yes
+ if test "$(PACKAGE)" = "gettext-tools"; then \
+ $(mkdir_p) $(DESTDIR)$(gettextsrcdir); \
+ else \
+ : ; \
+ fi
+installdirs-data-no:
+installdirs-data-yes:
+ $(mkdir_p) $(DESTDIR)$(datadir)
+ @catalogs='$(CATALOGS)'; \
+ for cat in $$catalogs; do \
+ cat=`basename $$cat`; \
+ lang=`echo $$cat | sed -e 's/\.gmo$$//'`; \
+ dir=$(localedir)/$$lang/LC_MESSAGES; \
+ $(mkdir_p) $(DESTDIR)$$dir; \
+ for lc in '' $(EXTRA_LOCALE_CATEGORIES); do \
+ if test -n "$$lc"; then \
+ if (cd $(DESTDIR)$(localedir)/$$lang && LC_ALL=C ls -l -d $$lc 2>/dev/null) | grep ' -> ' >/dev/null; then \
+ link=`cd $(DESTDIR)$(localedir)/$$lang && LC_ALL=C ls -l -d $$lc | sed -e 's/^.* -> //'`; \
+ mv $(DESTDIR)$(localedir)/$$lang/$$lc $(DESTDIR)$(localedir)/$$lang/$$lc.old; \
+ mkdir $(DESTDIR)$(localedir)/$$lang/$$lc; \
+ (cd $(DESTDIR)$(localedir)/$$lang/$$lc.old && \
+ for file in *; do \
+ if test -f $$file; then \
+ ln -s ../$$link/$$file $(DESTDIR)$(localedir)/$$lang/$$lc/$$file; \
+ fi; \
+ done); \
+ rm -f $(DESTDIR)$(localedir)/$$lang/$$lc.old; \
+ else \
+ if test -d $(DESTDIR)$(localedir)/$$lang/$$lc; then \
+ :; \
+ else \
+ rm -f $(DESTDIR)$(localedir)/$$lang/$$lc; \
+ mkdir $(DESTDIR)$(localedir)/$$lang/$$lc; \
+ fi; \
+ fi; \
+ fi; \
+ done; \
+ done
+
+# Define this as empty until I found a useful application.
+installcheck:
+
+uninstall: uninstall-exec uninstall-data
+uninstall-exec:
+uninstall-data: uninstall-data-yes
+ if test "$(PACKAGE)" = "gettext-tools"; then \
+ for file in $(DISTFILES.common) Makevars.template; do \
+ rm -f $(DESTDIR)$(gettextsrcdir)/$$file; \
+ done; \
+ else \
+ : ; \
+ fi
+uninstall-data-no:
+uninstall-data-yes:
+ catalogs='$(CATALOGS)'; \
+ for cat in $$catalogs; do \
+ cat=`basename $$cat`; \
+ lang=`echo $$cat | sed -e 's/\.gmo$$//'`; \
+ for lc in LC_MESSAGES $(EXTRA_LOCALE_CATEGORIES); do \
+ rm -f $(DESTDIR)$(localedir)/$$lang/$$lc/$(DOMAIN).mo; \
+ done; \
+ done
+
+check: all
+
+info dvi ps pdf html tags TAGS ctags CTAGS ID:
+
+mostlyclean:
+ rm -f remove-potcdate.sed
+ rm -f stamp-poT
+ rm -f core core.* $(DOMAIN).po $(DOMAIN).1po $(DOMAIN).2po *.new.po
+ rm -fr *.o
+
+clean: mostlyclean
+
+distclean: clean
+ rm -f Makefile Makefile.in POTFILES *.mo
+
+maintainer-clean: distclean
+ @echo "This command is intended for maintainers to use;"
+ @echo "it deletes files that may require special tools to rebuild."
+ rm -f stamp-po $(GMOFILES)
+
+distdir = $(top_builddir)/$(PACKAGE)-$(VERSION)/$(subdir)
+dist distdir:
+ $(MAKE) update-po
+ @$(MAKE) dist2
+# This is a separate target because 'update-po' must be executed before.
+dist2: stamp-po $(DISTFILES)
+ dists="$(DISTFILES)"; \
+ if test "$(PACKAGE)" = "gettext-tools"; then \
+ dists="$$dists Makevars.template"; \
+ fi; \
+ if test -f $(srcdir)/$(DOMAIN).pot; then \
+ dists="$$dists $(DOMAIN).pot stamp-po"; \
+ fi; \
+ if test -f $(srcdir)/ChangeLog; then \
+ dists="$$dists ChangeLog"; \
+ fi; \
+ for i in 0 1 2 3 4 5 6 7 8 9; do \
+ if test -f $(srcdir)/ChangeLog.$$i; then \
+ dists="$$dists ChangeLog.$$i"; \
+ fi; \
+ done; \
+ if test -f $(srcdir)/LINGUAS; then dists="$$dists LINGUAS"; fi; \
+ for file in $$dists; do \
+ if test -f $$file; then \
+ cp -p $$file $(distdir) || exit 1; \
+ else \
+ cp -p $(srcdir)/$$file $(distdir) || exit 1; \
+ fi; \
+ done
+
+update-po: Makefile
+ $(MAKE) $(DOMAIN).pot-update
+ test -z "$(UPDATEPOFILES)" || $(MAKE) $(UPDATEPOFILES)
+ $(MAKE) update-gmo
+
+# General rule for creating PO files.
+
+.nop.po-create:
+ @lang=`echo $@ | sed -e 's/\.po-create$$//'`; \
+ echo "File $$lang.po does not exist. If you are a translator, you can create it through 'msginit'." 1>&2; \
+ exit 1
+
+# General rule for updating PO files.
+
+.nop.po-update:
+ @lang=`echo $@ | sed -e 's/\.po-update$$//'`; \
+ if test "$(PACKAGE)" = "gettext-tools"; then PATH=`pwd`/../src:$$PATH; fi; \
+ tmpdir=`pwd`; \
+ echo "$$lang:"; \
+ test "$(srcdir)" = . && cdcmd="" || cdcmd="cd $(srcdir) && "; \
+ echo "$${cdcmd}$(MSGMERGE) $$lang.po $(DOMAIN).pot -o $$lang.new.po"; \
+ cd $(srcdir); \
+ if $(MSGMERGE) $$lang.po $(DOMAIN).pot -o $$tmpdir/$$lang.new.po; then \
+ if cmp $$lang.po $$tmpdir/$$lang.new.po >/dev/null 2>&1; then \
+ rm -f $$tmpdir/$$lang.new.po; \
+ else \
+ if mv -f $$tmpdir/$$lang.new.po $$lang.po; then \
+ :; \
+ else \
+ echo "msgmerge for $$lang.po failed: cannot move $$tmpdir/$$lang.new.po to $$lang.po" 1>&2; \
+ exit 1; \
+ fi; \
+ fi; \
+ else \
+ echo "msgmerge for $$lang.po failed!" 1>&2; \
+ rm -f $$tmpdir/$$lang.new.po; \
+ fi
+
+$(DUMMYPOFILES):
+
+update-gmo: Makefile $(GMOFILES)
+ @:
+
+Makefile: Makefile.in.in Makevars $(top_builddir)/config.status POTFILES.in LINGUAS
+ cd $(top_builddir) \
+ && $(SHELL) ./config.status $(subdir)/$@.in po-directories
+
+force:
+
+# Tell versions [3.59,3.63) of GNU make not to export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
+# Special Makefile rules for English message catalogs with quotation marks.
+
+DISTFILES.common.extra1 = quot.sed boldquot.sed en@quot.header en@boldquot.header insert-header.sin Rules-quot
+
+.SUFFIXES: .insert-header .po-update-en
+
+en@quot.po-create:
+ $(MAKE) en@quot.po-update
+en@boldquot.po-create:
+ $(MAKE) en@boldquot.po-update
+
+en@quot.po-update: en@quot.po-update-en
+en@boldquot.po-update: en@boldquot.po-update-en
+
+.insert-header.po-update-en:
+ @lang=`echo $@ | sed -e 's/\.po-update-en$$//'`; \
+ if test "$(PACKAGE)" = "gettext"; then PATH=`pwd`/../src:$$PATH; GETTEXTLIBDIR=`cd $(top_srcdir)/src && pwd`; export GETTEXTLIBDIR; fi; \
+ tmpdir=`pwd`; \
+ echo "$$lang:"; \
+ ll=`echo $$lang | sed -e 's/@.*//'`; \
+ LC_ALL=C; export LC_ALL; \
+ cd $(srcdir); \
+ if $(MSGINIT) -i $(DOMAIN).pot --no-translator -l $$ll -o - 2>/dev/null | sed -f $$tmpdir/$$lang.insert-header | $(MSGCONV) -t UTF-8 | $(MSGFILTER) sed -f `echo $$lang | sed -e 's/.*@//'`.sed 2>/dev/null > $$tmpdir/$$lang.new.po; then \
+ if cmp $$lang.po $$tmpdir/$$lang.new.po >/dev/null 2>&1; then \
+ rm -f $$tmpdir/$$lang.new.po; \
+ else \
+ if mv -f $$tmpdir/$$lang.new.po $$lang.po; then \
+ :; \
+ else \
+ echo "creation of $$lang.po failed: cannot move $$tmpdir/$$lang.new.po to $$lang.po" 1>&2; \
+ exit 1; \
+ fi; \
+ fi; \
+ else \
+ echo "creation of $$lang.po failed!" 1>&2; \
+ rm -f $$tmpdir/$$lang.new.po; \
+ fi
+
+en@quot.insert-header: insert-header.sin
+ sed -e '/^#/d' -e 's/HEADER/en@quot.header/g' $(srcdir)/insert-header.sin > en@quot.insert-header
+
+en@boldquot.insert-header: insert-header.sin
+ sed -e '/^#/d' -e 's/HEADER/en@boldquot.header/g' $(srcdir)/insert-header.sin > en@boldquot.insert-header
+
+mostlyclean: mostlyclean-quot
+mostlyclean-quot:
+ rm -f *.insert-header
projects / prss.git / commitdiff