1 files changed, 173 insertions, 0 deletions
diff --git a/src/nls-global.mk b/src/nls-global.mk
new file mode 100644
index 0000000..c1f7982
--- /dev/null
+++ b/src/nls-global.mk
@@ -0,0 +1,173 @@
+# src/nls-global.mk
+
+# Common rules for Native Language Support (NLS)
+#
+# If some subdirectory of the source tree wants to provide NLS, it
+# needs to contain a file 'nls.mk' with the following make variable
+# assignments:
+#
+# CATALOG_NAME          -- name of the message catalog (xxx.po); probably
+#                          name of the program
+# AVAIL_LANGUAGES       -- list of languages that are provided/supported
+# GETTEXT_FILES         -- list of source files that contain message strings
+# GETTEXT_TRIGGERS      -- (optional) list of functions that contain
+#                          translatable strings
+# GETTEXT_FLAGS         -- (optional) list of gettext --flag arguments to mark
+#                          function arguments that contain C format strings
+#                          (functions must be listed in TRIGGERS and FLAGS)
+#
+# That's all, the rest is done here, if --enable-nls was specified.
+#
+# The only user-visible targets here are 'init-po', to make an initial
+# "blank" catalog from program sources, and 'update-po', which is to
+# be called if the messages in the program source have changed, in
+# order to merge the changes into the existing .po files.
+
+
+# existence checked by Makefile.global; otherwise we won't get here
+include $(srcdir)/nls.mk
+
+# If user specified the languages he wants in --enable-nls=LANGUAGES,
+# filter out the rest.  Else use all available ones.
+ifdef WANTED_LANGUAGES
+LANGUAGES = $(filter $(WANTED_LANGUAGES), $(AVAIL_LANGUAGES))
+else
+LANGUAGES = $(AVAIL_LANGUAGES)
+endif
+
+PO_FILES = $(addprefix po/, $(addsuffix .po, $(LANGUAGES)))
+ALL_PO_FILES = $(addprefix po/, $(addsuffix .po, $(AVAIL_LANGUAGES)))
+MO_FILES = $(addprefix po/, $(addsuffix .mo, $(LANGUAGES)))
+
+ifdef XGETTEXT
+XGETTEXT += -ctranslator --copyright-holder='PostgreSQL Global Development Group' --msgid-bugs-address=pgsql-bugs@lists.postgresql.org --no-wrap --sort-by-file --package-name='$(CATALOG_NAME) (PostgreSQL)' --package-version='$(MAJORVERSION)'
+endif
+
+ifdef MSGMERGE
+MSGMERGE += --no-wrap --previous --sort-by-file
+endif
+
+# _ is defined in c.h, so it's global
+GETTEXT_TRIGGERS += _
+GETTEXT_FLAGS    += _:1:pass-c-format
+
+
+# common settings that apply to backend and all backend modules
+BACKEND_COMMON_GETTEXT_TRIGGERS = \
+    $(FRONTEND_COMMON_GETTEXT_TRIGGERS) \
+    errmsg errmsg_plural:1,2 \
+    errdetail errdetail_log errdetail_plural:1,2 \
+    errhint errhint_plural:1,2 \
+    errcontext \
+    XactLockTableWait:4 \
+    MultiXactIdWait:6 \
+    ConditionalMultiXactIdWait:6
+BACKEND_COMMON_GETTEXT_FLAGS = \
+    $(FRONTEND_COMMON_GETTEXT_FLAGS) \
+    errmsg:1:c-format errmsg_plural:1:c-format errmsg_plural:2:c-format \
+    errdetail:1:c-format errdetail_log:1:c-format errdetail_plural:1:c-format errdetail_plural:2:c-format \
+    errhint:1:c-format errhint_plural:1:c-format errhint_plural:2:c-format \
+    errcontext:1:c-format
+
+FRONTEND_COMMON_GETTEXT_FILES = $(top_srcdir)/src/common/logging.c
+
+FRONTEND_COMMON_GETTEXT_TRIGGERS = \
+    pg_log_error pg_log_error_detail pg_log_error_hint \
+    pg_log_warning pg_log_warning_detail pg_log_warning_hint \
+    pg_log_info pg_log_info_detail pg_log_info_hint \
+    pg_fatal pg_log_generic:3 pg_log_generic_v:3
+
+FRONTEND_COMMON_GETTEXT_FLAGS = \
+    pg_log_error:1:c-format pg_log_error_detail:1:c-format pg_log_error_hint:1:c-format \
+    pg_log_warning:1:c-format pg_log_warning_detail:1:c-format pg_log_warning_hint:1:c-format \
+    pg_log_info:1:c-format pg_log_info_detail:1:c-format pg_log_info_hint:1:c-format \
+    pg_fatal:1:c-format pg_log_generic:3:c-format pg_log_generic_v:3:c-format
+
+
+all-po: $(MO_FILES)
+
+%.mo: %.po
+	$(MSGFMT) $(MSGFMT_FLAGS) -o $@ $<
+
+ifeq ($(word 1,$(GETTEXT_FILES)),+)
+po/$(CATALOG_NAME).pot: $(word 2, $(GETTEXT_FILES)) $(MAKEFILE_LIST)
+ifdef XGETTEXT
+	$(XGETTEXT) -D $(srcdir) -D . -n $(addprefix -k, $(GETTEXT_TRIGGERS)) $(addprefix --flag=, $(GETTEXT_FLAGS)) -f $<
+else
+	@echo "You don't have 'xgettext'."; exit 1
+endif
+else # GETTEXT_FILES
+po/$(CATALOG_NAME).pot: $(GETTEXT_FILES) $(MAKEFILE_LIST)
+# Change to srcdir explicitly, don't rely on $^.  That way we get
+# consistent #: file references in the po files.
+ifdef XGETTEXT
+	$(XGETTEXT) -D $(srcdir) -D . -n $(addprefix -k, $(GETTEXT_TRIGGERS)) $(addprefix --flag=, $(GETTEXT_FLAGS)) $(GETTEXT_FILES)
+else
+	@echo "You don't have 'xgettext'."; exit 1
+endif
+endif # GETTEXT_FILES
+	@$(MKDIR_P) $(dir $@)
+	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 >$@
+	rm messages.po
+
+
+# catalog name extensions must match behavior of PG_TEXTDOMAIN() in c.h
+install-po: all-po installdirs-po
+ifneq (,$(LANGUAGES))
+	for lang in $(LANGUAGES); do \
+	  $(INSTALL_DATA) po/$$lang.mo '$(DESTDIR)$(localedir)'/$$lang/LC_MESSAGES/$(CATALOG_NAME)$(SO_MAJOR_VERSION)-$(MAJORVERSION).mo || exit 1; \
+	done
+endif
+
+installdirs-po:
+	$(if $(LANGUAGES),$(MKDIR_P) $(foreach lang, $(LANGUAGES), '$(DESTDIR)$(localedir)'/$(lang)/LC_MESSAGES),:)
+
+uninstall-po:
+	$(if $(LANGUAGES),rm -f $(foreach lang, $(LANGUAGES), '$(DESTDIR)$(localedir)'/$(lang)/LC_MESSAGES/$(CATALOG_NAME)$(SO_MAJOR_VERSION)-$(MAJORVERSION).mo),:)
+
+
+clean-po:
+	$(if $(MO_FILES),rm -f $(MO_FILES))
+	@$(if $(wildcard po/*.po.new),rm -f po/*.po.new)
+	rm -f po/$(CATALOG_NAME).pot
+
+
+init-po: po/$(CATALOG_NAME).pot
+
+
+# For performance reasons, only calculate these when the user actually
+# requested update-po or a specific file.
+ifneq (,$(filter update-po %.po.new,$(MAKECMDGOALS)))
+ALL_LANGUAGES := $(shell find $(top_srcdir) -name '*.po' -print | sed 's,^.*/\([^/]*\).po$$,\1,' | LC_ALL=C sort -u)
+all_compendia := $(shell find $(top_srcdir) -name '*.po' -print | LC_ALL=C sort)
+else
+ALL_LANGUAGES = $(AVAIL_LANGUAGES)
+all_compendia = FORCE
+FORCE:
+endif
+
+ifdef WANTED_LANGUAGES
+ALL_LANGUAGES := $(filter $(WANTED_LANGUAGES), $(ALL_LANGUAGES))
+endif
+
+update-po: $(ALL_LANGUAGES:%=po/%.po.new)
+
+$(AVAIL_LANGUAGES:%=po/%.po.new): po/%.po.new: po/%.po po/$(CATALOG_NAME).pot $(all_compendia)
+	$(MSGMERGE) --lang=$* $(word 1, $^) $(word 2,$^) -o $@ $(addprefix --compendium=,$(filter %/$*.po,$(wordlist 3,$(words $^),$^)))
+
+# For languages not yet available, merge against oneself, to pick
+# up translations from the compendia.  (Merging against /dev/null
+# doesn't work so well; it inserts the headers from the first-named
+# compendium.)
+po/%.po.new: po/$(CATALOG_NAME).pot $(all_compendia)
+	$(MSGMERGE) --lang=$* $(word 1,$^) $(word 1,$^) -o $@ $(addprefix --compendium=,$(filter %/$*.po,$(wordlist 2,$(words $^),$^)))
+
+
+all: all-po
+install: install-po
+installdirs: installdirs-po
+uninstall: uninstall-po
+clean distclean maintainer-clean: clean-po
+
+.PHONY: all-po install-po installdirs-po uninstall-po clean-po \
+        init-po update-po