@@ -6,6 +6,7 @@
# Copyright © 2016, 2018 Mathieu Lirzin <mthl@gnu.org>
# Copyright © 2018, 2021 Julien Lepiller <julien@lepiller.eu>
# Copyright © 2019 Timothy Sample <samplet@ngyro.com>
+# Copyright © 2024 Janneke Nieuwenhuizen <janneke@gnu.org>
#
# This file is part of GNU Guix.
#
@@ -254,19 +255,34 @@ endif
# Reproducible tarball
-# Generate 'version.texi' reproducibly using metadata from Git rather
-# than using metadata from the filesystem.
-$(srcdir)/doc/stamp-vti: $(srcdir)/doc/guix.texi $(top_srcdir)/configure
- $(AM_V_GEN)set -e \
+# Define a rule to build `version[LANG].texi' reproducibly using metadata from
+# Git rather than using metadata from the filesystem.
+define version.texi-from-git
+$(srcdir)/doc/stamp-$(1): $(srcdir)/$(2) $(top_srcdir)/configure
+ $$(AM_V_GEN)set -e \
export LC_ALL=C; \
export TZ=UTC0; \
- timestamp=$$(git log --pretty=format:%ct -n1 -- $< 2>/dev/null \
- || echo $(SOURCE_DATE_EPOCH)) \
- dmy=$$(date --date="@$$timestamp" "+%-d %B %Y"); \
- my=$$(date --date="@$$timestamp" "+%B %Y"); \
- { echo "@set UPDATED $$dmy"; \
- echo "@set UPDATED-MONTH $$my"; \
- echo "@set EDITION $(VERSION)"; \
- echo "@set VERSION $(VERSION)"; } > $@-t; \
- mv $@-t $@
- @cp $@ $(srcdir)/doc/version.texi
+ timestamp="$$$$(git log --pretty=format:%ct -n1 -- "$$<" \
+ 2>/dev/null \
+ || echo $$(SOURCE_DATE_EPOCH))" \
+ dmy=$$$$(date --date="@$$$$timestamp" "+%-d %B %Y"); \
+ my=$$$$(date --date="@$$$$timestamp" "+%B %Y"); \
+ { echo "@set UPDATED $$$$dmy"; \
+ echo "@set UPDATED-MONTH $$$$my"; \
+ echo "@set EDITION $$$(VERSION)"; \
+ echo "@set VERSION $$$(VERSION)"; } > "$$@-t";
+ mv "$$@-t" "$$@"
+ cp -p "$$@" "$$(srcdir)/doc/version$(3).texi"
+endef
+
+# Generate rules for stamp-vti and stamp-N that create version.texi and
+# version-LANG.texi to override the Autotools versions that use timestamps
+# embedded in the file-system. These are expected to generate warnings:
+#
+# Makefile:7376: warning: overriding recipe for target 'doc/stamp-vti'
+# Makefile:5098: warning: ignoring old recipe for target 'doc/stamp-vti'
+i:=0
+$(eval $(call version.texi-from-git,vti,doc/guix.texi,))
+$(foreach lang, $(MANUAL_LANGUAGES), \
+ $(eval i=$(shell echo $$(($(i)+1)))) \
+ $(eval $(call version.texi-from-git,$(i),po/doc/guix-manual.$(lang).po,-$(lang))))