1# src/nls-global.mk 2 3# Common rules for Native Language Support (NLS) 4# 5# If some subdirectory of the source tree wants to provide NLS, it 6# needs to contain a file 'nls.mk' with the following make variable 7# assignments: 8# 9# CATALOG_NAME -- name of the message catalog (xxx.po); probably 10# name of the program 11# AVAIL_LANGUAGES -- list of languages that are provided/supported 12# GETTEXT_FILES -- list of source files that contain message strings 13# GETTEXT_TRIGGERS -- (optional) list of functions that contain 14# translatable strings 15# GETTEXT_FLAGS -- (optional) list of gettext --flag arguments to mark 16# function arguments that contain C format strings 17# (functions must be listed in TRIGGERS and FLAGS) 18# 19# That's all, the rest is done here, if --enable-nls was specified. 20# 21# The only user-visible targets here are 'init-po', to make an initial 22# "blank" catalog from program sources, and 'update-po', which is to 23# be called if the messages in the program source have changed, in 24# order to merge the changes into the existing .po files. 25 26 27# existence checked by Makefile.global; otherwise we won't get here 28include $(srcdir)/nls.mk 29 30# If user specified the languages he wants in --enable-nls=LANGUAGES, 31# filter out the rest. Else use all available ones. 32ifdef WANTED_LANGUAGES 33LANGUAGES = $(filter $(WANTED_LANGUAGES), $(AVAIL_LANGUAGES)) 34else 35LANGUAGES = $(AVAIL_LANGUAGES) 36endif 37 38PO_FILES = $(addprefix po/, $(addsuffix .po, $(LANGUAGES))) 39ALL_PO_FILES = $(addprefix po/, $(addsuffix .po, $(AVAIL_LANGUAGES))) 40MO_FILES = $(addprefix po/, $(addsuffix .mo, $(LANGUAGES))) 41 42ifdef XGETTEXT 43XGETTEXT += -ctranslator --copyright-holder='PostgreSQL Global Development Group' --msgid-bugs-address=pgsql-bugs@postgresql.org --no-wrap --sort-by-file --package-name='$(CATALOG_NAME) (PostgreSQL)' --package-version='$(MAJORVERSION)' 44endif 45 46ifdef MSGMERGE 47MSGMERGE += --no-wrap --previous --sort-by-file 48endif 49 50# _ is defined in c.h, so it's global 51GETTEXT_TRIGGERS += _ 52GETTEXT_FLAGS += _:1:pass-c-format 53 54 55# common settings that apply to backend and all backend modules 56BACKEND_COMMON_GETTEXT_TRIGGERS = \ 57 errmsg errmsg_plural:1,2 \ 58 errdetail errdetail_log errdetail_plural:1,2 \ 59 errhint \ 60 errcontext \ 61 XactLockTableWait:4 \ 62 MultiXactIdWait:6 \ 63 ConditionalMultiXactIdWait:6 64BACKEND_COMMON_GETTEXT_FLAGS = \ 65 errmsg:1:c-format errmsg_plural:1:c-format errmsg_plural:2:c-format \ 66 errdetail:1:c-format errdetail_log:1:c-format errdetail_plural:1:c-format errdetail_plural:2:c-format \ 67 errhint:1:c-format \ 68 errcontext:1:c-format 69 70 71all-po: $(MO_FILES) 72 73%.mo: %.po 74 $(MSGFMT) $(MSGFMT_FLAGS) -o $@ $< 75 76ifeq ($(word 1,$(GETTEXT_FILES)),+) 77po/$(CATALOG_NAME).pot: $(word 2, $(GETTEXT_FILES)) $(MAKEFILE_LIST) 78ifdef XGETTEXT 79 $(XGETTEXT) -D $(srcdir) -D . -n $(addprefix -k, $(GETTEXT_TRIGGERS)) $(addprefix --flag=, $(GETTEXT_FLAGS)) -f $< 80else 81 @echo "You don't have 'xgettext'."; exit 1 82endif 83else # GETTEXT_FILES 84po/$(CATALOG_NAME).pot: $(GETTEXT_FILES) $(MAKEFILE_LIST) 85# Change to srcdir explicitly, don't rely on $^. That way we get 86# consistent #: file references in the po files. 87ifdef XGETTEXT 88 $(XGETTEXT) -D $(srcdir) -D . -n $(addprefix -k, $(GETTEXT_TRIGGERS)) $(addprefix --flag=, $(GETTEXT_FLAGS)) $(GETTEXT_FILES) 89else 90 @echo "You don't have 'xgettext'."; exit 1 91endif 92endif # GETTEXT_FILES 93 @$(MKDIR_P) $(dir $@) 94 sed -e '1,18 { s/SOME DESCRIPTIVE TITLE./LANGUAGE message translation file for $(CATALOG_NAME)/;s/PACKAGE/PostgreSQL/g;s/VERSION/$(MAJORVERSION)/g;s/YEAR/'`date +%Y`'/g; }' messages.po >$@ 95 rm messages.po 96 97 98# catalog name extensions must match behavior of PG_TEXTDOMAIN() in c.h 99install-po: all-po installdirs-po 100ifneq (,$(LANGUAGES)) 101 for lang in $(LANGUAGES); do \ 102 $(INSTALL_DATA) po/$$lang.mo '$(DESTDIR)$(localedir)'/$$lang/LC_MESSAGES/$(CATALOG_NAME)$(SO_MAJOR_VERSION)-$(MAJORVERSION).mo || exit 1; \ 103 done 104endif 105 106installdirs-po: 107 $(if $(LANGUAGES),$(MKDIR_P) $(foreach lang, $(LANGUAGES), '$(DESTDIR)$(localedir)'/$(lang)/LC_MESSAGES),:) 108 109uninstall-po: 110 $(if $(LANGUAGES),rm -f $(foreach lang, $(LANGUAGES), '$(DESTDIR)$(localedir)'/$(lang)/LC_MESSAGES/$(CATALOG_NAME)$(SO_MAJOR_VERSION)-$(MAJORVERSION).mo),:) 111 112 113clean-po: 114 $(if $(MO_FILES),rm -f $(MO_FILES)) 115 @$(if $(wildcard po/*.po.new),rm -f po/*.po.new) 116 rm -f po/$(CATALOG_NAME).pot 117 118 119init-po: po/$(CATALOG_NAME).pot 120 121 122# For performance reasons, only calculate these when the user actually 123# requested update-po or a specific file. 124ifneq (,$(filter update-po %.po.new,$(MAKECMDGOALS))) 125ALL_LANGUAGES := $(shell find $(top_srcdir) -name '*.po' -print | sed 's,^.*/\([^/]*\).po$$,\1,' | LC_ALL=C sort -u) 126all_compendia := $(shell find $(top_srcdir) -name '*.po' -print | LC_ALL=C sort) 127else 128ALL_LANGUAGES = $(AVAIL_LANGUAGES) 129all_compendia = FORCE 130FORCE: 131endif 132 133ifdef WANTED_LANGUAGES 134ALL_LANGUAGES := $(filter $(WANTED_LANGUAGES), $(ALL_LANGUAGES)) 135endif 136 137update-po: $(ALL_LANGUAGES:%=po/%.po.new) 138 139$(AVAIL_LANGUAGES:%=po/%.po.new): po/%.po.new: po/%.po po/$(CATALOG_NAME).pot $(all_compendia) 140 $(MSGMERGE) --lang=$* $(word 1, $^) $(word 2,$^) -o $@ $(addprefix --compendium=,$(filter %/$*.po,$(wordlist 3,$(words $^),$^))) 141 142# For languages not yet available, merge against oneself, to pick 143# up translations from the compendia. (Merging against /dev/null 144# doesn't work so well; it inserts the headers from the first-named 145# compendium.) 146po/%.po.new: po/$(CATALOG_NAME).pot $(all_compendia) 147 $(MSGMERGE) --lang=$* $(word 1,$^) $(word 1,$^) -o $@ $(addprefix --compendium=,$(filter %/$*.po,$(wordlist 2,$(words $^),$^))) 148 149 150all: all-po 151install: install-po 152installdirs: installdirs-po 153uninstall: uninstall-po 154clean distclean maintainer-clean: clean-po 155 156.PHONY: all-po install-po installdirs-po uninstall-po clean-po \ 157 init-po update-po 158