Merge branch 'master' into core-updates
[jackhill/guix/guix.git] / Makefile.am
index fec9800..09e252f 100644 (file)
@@ -3,16 +3,17 @@
 # Copyright © 2013 Andreas Enge <andreas@enge.fr>
 # Copyright © 2015, 2017 Alex Kost <alezost@gmail.com>
 # Copyright © 2016, 2018 Mathieu Lirzin <mthl@gnu.org>
-# Copyright © 2016, 2017, 2018 Mark H Weaver <mhw@netris.org>
+# Copyright © 2016, 2017, 2018, 2019 Mark H Weaver <mhw@netris.org>
 # Copyright © 2017 Mathieu Othacehe <m.othacehe@gmail.com>
 # Copyright © 2017 Leo Famulari <leo@famulari.name>
 # Copyright © 2017 Ricardo Wurmus <rekado@elephly.net>
 # Copyright © 2017 Jan Nieuwenhuizen <janneke@gnu.org>
 # Copyright © 2017 Arun Isaac <arunisaac@systemreboot.net>
-# Copyright © 2018 Nils Gillmann <ng0@n0.is>
+# Copyright © 2018 ng0 <ng0@n0.is>
 # Copyright © 2018 Julien Lepiller <julien@lepiller.eu>
 # Copyright © 2018 Oleg Pykhalov <go.wigust@gmail.com>
 # Copyright © 2018 Alex Vong <alexvong1995@gmail.com>
+# Copyright © 2019 Efraim Flashner <efraim@flashner.co.il>
 #
 # This file is part of GNU Guix.
 #
@@ -53,6 +54,7 @@ nodist_noinst_SCRIPTS =                               \
 # Modules that are not compiled but are installed nonetheless, such as
 # build-side modules with unusual dependencies.
 MODULES_NOT_COMPILED =                         \
+  guix/build/po.scm                            \
   guix/man-db.scm
 
 include gnu/local.mk
@@ -76,6 +78,7 @@ MODULES =                                     \
   guix/modules.scm                             \
   guix/download.scm                            \
   guix/discovery.scm                           \
+  guix/bzr-download.scm                        \
   guix/git-download.scm                                \
   guix/hg-download.scm                         \
   guix/swh.scm                                 \
@@ -87,6 +90,7 @@ MODULES =                                     \
   guix/nar.scm                                 \
   guix/derivations.scm                         \
   guix/grafts.scm                              \
+  guix/repl.scm                                        \
   guix/inferior.scm                            \
   guix/describe.scm                            \
   guix/channels.scm                            \
@@ -94,6 +98,7 @@ MODULES =                                     \
   guix/self.scm                                        \
   guix/upstream.scm                            \
   guix/licenses.scm                            \
+  guix/lint.scm                                \
   guix/glob.scm                                        \
   guix/git.scm                                 \
   guix/graph.scm                               \
@@ -101,6 +106,7 @@ MODULES =                                   \
   guix/cve.scm                                 \
   guix/workers.scm                             \
   guix/zlib.scm                                        \
+  guix/lzlib.scm                               \
   guix/build-system.scm                                \
   guix/build-system/android-ndk.scm            \
   guix/build-system/ant.scm                    \
@@ -119,11 +125,14 @@ MODULES =                                 \
   guix/build-system/gnu.scm                    \
   guix/build-system/guile.scm                  \
   guix/build-system/haskell.scm                        \
+  guix/build-system/linux-module.scm           \
+  guix/build-system/node.scm                   \
   guix/build-system/perl.scm                   \
   guix/build-system/python.scm                 \
   guix/build-system/ocaml.scm                  \
   guix/build-system/waf.scm                    \
   guix/build-system/r.scm                      \
+  guix/build-system/rakudo.scm                 \
   guix/build-system/ruby.scm                   \
   guix/build-system/scons.scm                  \
   guix/build-system/texlive.scm                        \
@@ -136,7 +145,9 @@ MODULES =                                   \
   guix/store.scm                               \
   guix/cvs-download.scm                                \
   guix/svn-download.scm                                \
+  guix/colors.scm                              \
   guix/i18n.scm                                        \
+  guix/diagnostics.scm                         \
   guix/ui.scm                                  \
   guix/status.scm                              \
   guix/build/android-ndk-build-system.scm      \
@@ -144,6 +155,7 @@ MODULES =                                   \
   guix/build/download.scm                      \
   guix/build/download-nar.scm                  \
   guix/build/cargo-build-system.scm            \
+  guix/build/cargo-utils.scm                   \
   guix/build/cmake-build-system.scm            \
   guix/build/dub-build-system.scm              \
   guix/build/dune-build-system.scm             \
@@ -153,22 +165,27 @@ MODULES =                                 \
   guix/build/font-build-system.scm             \
   guix/build/go-build-system.scm               \
   guix/build/asdf-build-system.scm             \
+  guix/build/bzr.scm                           \
   guix/build/git.scm                           \
   guix/build/hg.scm                            \
   guix/build/glib-or-gtk-build-system.scm      \
   guix/build/gnu-build-system.scm              \
   guix/build/gnu-dist.scm                      \
   guix/build/guile-build-system.scm            \
+  guix/build/node-build-system.scm             \
   guix/build/perl-build-system.scm             \
   guix/build/python-build-system.scm           \
   guix/build/ocaml-build-system.scm            \
   guix/build/r-build-system.scm                        \
+  guix/build/rakudo-build-system.scm           \
   guix/build/ruby-build-system.scm             \
   guix/build/scons-build-system.scm            \
   guix/build/texlive-build-system.scm          \
   guix/build/waf-build-system.scm              \
   guix/build/haskell-build-system.scm          \
+  guix/build/linux-module-build-system.scm     \
   guix/build/store-copy.scm                    \
+  guix/build/json.scm                          \
   guix/build/utils.scm                         \
   guix/build/union.scm                         \
   guix/build/profiles.scm                      \
@@ -201,6 +218,7 @@ MODULES =                                   \
   guix/import/gnu.scm                          \
   guix/import/hackage.scm                      \
   guix/import/json.scm                         \
+  guix/import/launchpad.scm                    \
   guix/import/opam.scm                         \
   guix/import/print.scm                                \
   guix/import/pypi.scm                         \
@@ -215,6 +233,10 @@ MODULES =                                  \
   guix/scripts/archive.scm                     \
   guix/scripts/import.scm                      \
   guix/scripts/package.scm                     \
+  guix/scripts/install.scm                     \
+  guix/scripts/remove.scm                      \
+  guix/scripts/upgrade.scm                     \
+  guix/scripts/search.scm                      \
   guix/scripts/gc.scm                          \
   guix/scripts/hash.scm                                \
   guix/scripts/pack.scm                                \
@@ -227,6 +249,7 @@ MODULES =                                   \
   guix/scripts/describe.scm                    \
   guix/scripts/system.scm                      \
   guix/scripts/system/search.scm               \
+  guix/scripts/system/reconfigure.scm          \
   guix/scripts/lint.scm                                \
   guix/scripts/challenge.scm                   \
   guix/scripts/import/crate.scm                        \
@@ -249,6 +272,7 @@ MODULES =                                   \
   guix/scripts/weather.scm                     \
   guix/scripts/container.scm                   \
   guix/scripts/container/exec.scm              \
+  guix/scripts/deploy.scm                      \
   guix.scm                                     \
   $(GNU_SYSTEM_MODULES)
 
@@ -256,6 +280,7 @@ if HAVE_GUILE_SSH
 
 MODULES +=                                     \
   guix/ssh.scm                                 \
+  guix/remote.scm                              \
   guix/scripts/copy.scm                                \
   guix/store/ssh.scm
 
@@ -271,7 +296,8 @@ endif BUILD_DAEMON_OFFLOAD
 # Scheme implementation of the build daemon and related functionality.
 STORE_MODULES =                                        \
   guix/store/database.scm                      \
-  guix/store/deduplication.scm
+  guix/store/deduplication.scm                 \
+  guix/store/roots.scm
 
 MODULES += $(STORE_MODULES)
 
@@ -280,11 +306,13 @@ dist_noinst_DATA = guix/tests.scm guix/tests/http.scm
 
 # Auxiliary files for packages.
 AUX_FILES =                                            \
+  gnu/packages/aux-files/chromium/master-preferences.json              \
   gnu/packages/aux-files/emacs/guix-emacs.el           \
-  gnu/packages/aux-files/linux-libre/4.20-arm.conf     \
-  gnu/packages/aux-files/linux-libre/4.20-arm64.conf   \
-  gnu/packages/aux-files/linux-libre/4.20-i686.conf    \
-  gnu/packages/aux-files/linux-libre/4.20-x86_64.conf  \
+  gnu/packages/aux-files/linux-libre/5.2-arm.conf      \
+  gnu/packages/aux-files/linux-libre/5.2-arm-veyron.conf       \
+  gnu/packages/aux-files/linux-libre/5.2-arm64.conf    \
+  gnu/packages/aux-files/linux-libre/5.2-i686.conf     \
+  gnu/packages/aux-files/linux-libre/5.2-x86_64.conf   \
   gnu/packages/aux-files/linux-libre/4.19-arm.conf     \
   gnu/packages/aux-files/linux-libre/4.19-arm64.conf   \
   gnu/packages/aux-files/linux-libre/4.19-i686.conf    \
@@ -300,10 +328,12 @@ AUX_FILES =                                               \
 
 # Templates, examples.
 EXAMPLES =                                     \
+  gnu/system/examples/asus-c201.tmpl           \
   gnu/system/examples/bare-bones.tmpl          \
   gnu/system/examples/beaglebone-black.tmpl    \
   gnu/system/examples/desktop.tmpl             \
   gnu/system/examples/lightweight-desktop.tmpl \
+  gnu/system/examples/docker-image.tmpl                \
   gnu/system/examples/vm-image.tmpl
 
 GOBJECTS = $(MODULES:%.scm=%.go) guix/config.go $(dist_noinst_DATA:%.scm=%.go)
@@ -332,73 +362,77 @@ TEST_EXTENSIONS = .scm .sh
 if CAN_RUN_TESTS
 
 SCM_TESTS =                                    \
+  tests/accounts.scm                           \
   tests/base16.scm                             \
   tests/base32.scm                             \
   tests/base64.scm                             \
+  tests/bournish.scm                           \
+  tests/builders.scm                           \
+  tests/build-utils.scm                        \
+  tests/cache.scm                              \
+  tests/challenge.scm                          \
   tests/channels.scm                           \
+  tests/combinators.scm                        \
+  tests/containers.scm                         \
   tests/cpan.scm                               \
   tests/cpio.scm                               \
+  tests/cran.scm                               \
   tests/crate.scm                              \
-  tests/gem.scm                                        \
-  tests/pki.scm                                        \
-  tests/print.scm                              \
-  tests/sets.scm                               \
-  tests/modules.scm                            \
-  tests/gnu-maintenance.scm                    \
-  tests/substitute.scm                         \
-  tests/builders.scm                           \
-  tests/derivations.scm                                \
-  tests/glob.scm                               \
-  tests/grafts.scm                             \
-  tests/ui.scm                                 \
-  tests/status.scm                             \
-  tests/records.scm                            \
-  tests/processes.scm                          \
-  tests/upstream.scm                           \
-  tests/combinators.scm                                \
+  tests/cve.scm                                \
+  tests/debug-link.scm                         \
+  tests/derivations.scm                        \
   tests/discovery.scm                          \
-  tests/utils.scm                              \
-  tests/build-utils.scm                                \
-  tests/packages.scm                           \
-  tests/snix.scm                               \
-  tests/hackage.scm                            \
-  tests/cran.scm                               \
   tests/elpa.scm                               \
-  tests/texlive.scm                            \
-  tests/store.scm                              \
-  tests/monads.scm                             \
+  tests/file-systems.scm                       \
+  tests/gem.scm                                \
   tests/gexp.scm                               \
-  tests/nar.scm                                        \
-  tests/union.scm                              \
-  tests/profiles.scm                           \
-  tests/search-paths.scm                       \
-  tests/syscalls.scm                           \
-  tests/inferior.scm                           \
+  tests/glob.scm                               \
+  tests/gnu-maintenance.scm                    \
+  tests/grafts.scm                             \
+  tests/graph.scm                              \
   tests/gremlin.scm                            \
-  tests/debug-link.scm                         \
-  tests/bournish.scm                           \
+  tests/hackage.scm                            \
+  tests/import-utils.scm                       \
+  tests/inferior.scm                           \
   tests/lint.scm                               \
-  tests/publish.scm                            \
-  tests/scripts.scm                            \
-  tests/size.scm                               \
-  tests/graph.scm                              \
-  tests/challenge.scm                          \
-  tests/cache.scm                              \
-  tests/cve.scm                                        \
-  tests/workers.scm                            \
-  tests/zlib.scm                               \
-  tests/file-systems.scm                       \
-  tests/uuid.scm                               \
-  tests/system.scm                             \
-  tests/services.scm                           \
-  tests/scripts-build.scm                      \
-  tests/containers.scm                         \
+  tests/lzlib.scm                              \
+  tests/modules.scm                            \
+  tests/monads.scm                             \
+  tests/nar.scm                                \
   tests/opam.scm                               \
+  tests/packages.scm                           \
   tests/pack.scm                               \
+  tests/pki.scm                                \
+  tests/print.scm                              \
+  tests/processes.scm                          \
+  tests/profiles.scm                           \
+  tests/publish.scm                            \
   tests/pypi.scm                               \
-  tests/import-utils.scm                       \
+  tests/records.scm                            \
+  tests/scripts.scm                            \
+  tests/scripts-build.scm                      \
+  tests/search-paths.scm                       \
+  tests/services.scm                           \
+  tests/sets.scm                               \
+  tests/size.scm                               \
+  tests/snix.scm                               \
+  tests/status.scm                             \
   tests/store-database.scm                     \
-  tests/store-deduplication.scm
+  tests/store-deduplication.scm                \
+  tests/store-roots.scm                        \
+  tests/store.scm                              \
+  tests/substitute.scm                         \
+  tests/swh.scm                                \
+  tests/syscalls.scm                           \
+  tests/system.scm                             \
+  tests/texlive.scm                            \
+  tests/ui.scm                                 \
+  tests/union.scm                              \
+  tests/upstream.scm                           \
+  tests/utils.scm                              \
+  tests/uuid.scm                               \
+  tests/workers.scm                            \
+  tests/zlib.scm
 
 SH_TESTS =                                     \
   tests/guix-build.sh                          \
@@ -410,6 +444,7 @@ SH_TESTS =                                  \
   tests/guix-pack-localstatedir.sh             \
   tests/guix-pack-relocatable.sh               \
   tests/guix-package.sh                                \
+  tests/guix-package-aliases.sh                        \
   tests/guix-package-net.sh                    \
   tests/guix-system.sh                         \
   tests/guix-archive.sh                                \
@@ -463,10 +498,10 @@ check-system: $(GOBJECTS)
           -e '(@@ (run-system-tests) run-system-tests)'        \
           $(top_srcdir)/build-aux/run-system-tests.scm
 
-# Public key used to sign substitutes from hydra.gnu.org & co.
+# Public keys used to sign substitutes.
 dist_pkgdata_DATA =                            \
-  etc/substitutes/hydra.gnu.org.pub            \
   etc/substitutes/berlin.guixsd.org.pub                \
+  etc/substitutes/ci.guix.gnu.org.pub          \
   etc/substitutes/ci.guix.info.pub
 
 # Bash completion file.
@@ -515,7 +550,7 @@ EXTRA_DIST +=                                               \
   tests/cve-sample.xml                                 \
   build-aux/config.rpath                               \
   bootstrap                                            \
-  release.nix                                          \
+  doc/build.scm                                                \
   $(TESTS)
 
 if !BUILD_DAEMON_OFFLOAD
@@ -562,7 +597,7 @@ $(guix_install_go_files): install-nobase_dist_guilemoduleDATA
 # The above trick doesn't work for 'config.go' because both 'config.scm' and
 # 'config.go' are listed in $(nobase_nodist_guileobject_DATA).  Thus, give it
 # special treatment.
-install-data-hook: set-bootstrap-executable-permissions
+install-data-hook:
        touch "$(DESTDIR)$(guileobjectdir)/guix/config.go"
 
 # Assuming Guix is already installed and the daemon is up and running, this
@@ -607,7 +642,7 @@ guix-binary.%.tar.xz:
        cp "$$tarball" "$@.tmp" ; mv "$@.tmp" "$@"
 
 
-dist-hook: $(distdir)/ChangeLog gen-AUTHORS gen-tarball-version
+dist-hook: gen-ChangeLog gen-AUTHORS gen-tarball-version
 dist-hook: assert-no-store-file-names
 dist-hook: doc-po-update
 
@@ -621,12 +656,12 @@ $(top_srcdir)/.version:
 gen-tarball-version:
        echo $(VERSION) > "$(distdir)/.tarball-version"
 
-gen-ChangeLog $(distdir)/ChangeLog:
+gen-ChangeLog:
        $(AM_V_GEN)if test -d .git; then                \
          $(top_srcdir)/build-aux/gitlog-to-changelog   \
-           > $(distdir)/cl-t;                          \
+           > $(distdir)/ChangeLog.tmp;                 \
          rm -f $(distdir)/ChangeLog;                   \
-         mv $(distdir)/cl-t $(distdir)/ChangeLog;      \
+         mv $(distdir)/ChangeLog.tmp $(distdir)/ChangeLog;     \
        fi
 
 gen-AUTHORS:
@@ -658,17 +693,24 @@ SUPPORTED_SYSTEMS ?= x86_64-linux i686-linux armhf-linux aarch64-linux
 BINARY_TARBALLS =                                                      \
   $(foreach system,$(SUPPORTED_SYSTEMS),guix-binary.$(system).tar.xz)
 
-# Systems supported by GuixSD.
-GUIXSD_SUPPORTED_SYSTEMS ?= x86_64-linux i686-linux
+# Systems supported by Guix System.
+GUIX_SYSTEM_SUPPORTED_SYSTEMS ?= x86_64-linux i686-linux
 
-# Systems for which we build GuixSD VMs.
-GUIXSD_VM_SYSTEMS ?= x86_64-linux
+# Systems for which we build Guix VMs.
+GUIX_SYSTEM_VM_SYSTEMS ?= x86_64-linux
 
-# Prefix of the GuixSD installation image file name.
-GUIXSD_IMAGE_BASE = guixsd-install-$(PACKAGE_VERSION)
+# Prefix of the Guix installation image file name.
+GUIX_SYSTEM_IMAGE_BASE = guix-system-install-$(PACKAGE_VERSION)
 
-# Prefix of the GuixSD VM image file name.
-GUIXSD_VM_IMAGE_BASE = guixsd-vm-image-$(PACKAGE_VERSION)
+# Prefix of the Guix VM image file name.
+GUIX_SYSTEM_VM_IMAGE_BASE = guix-system-vm-image-$(PACKAGE_VERSION)
+
+# Flags for 'guix system vm-image'.  By default create a VM image that appears
+# to have a 20G hard disk.
+GUIX_SYSTEM_VM_IMAGE_FLAGS ?= --image-size=30G
+
+# Return the sequence of '-s' flags for the given systems.
+system_flags = $(foreach system,$(1),-s $(system))
 
 # The release process works in several phases:
 #
@@ -677,7 +719,7 @@ GUIXSD_VM_IMAGE_BASE = guixsd-vm-image-$(PACKAGE_VERSION)
 #   2. Update the 'guix' package so that it corresponds to the 'vX.Y' tag.
 #   3. Build the binary tarballs for that 'guix' package.
 #   4. Update the 'guix' package again.
-#   5. Build the GuixSD installation images.  The images will run 'guix'
+#   5. Build the installation images.  The images will run 'guix'
 #      corresponding to 'vX.Y' + 1 commit, and they will install 'vX.Y'.
 #
 # This 'release' target takes care of everything and copies the resulting
@@ -699,6 +741,9 @@ release: dist
           "`git rev-parse HEAD`" "$(PACKAGE_VERSION)"
        git add $(top_srcdir)/gnu/packages/package-management.scm
        git commit -m "gnu: guix: Update to $(PACKAGE_VERSION)."
+       $(top_builddir)/pre-inst-env guix build guix    \
+             $(call system_flags,$(SUPPORTED_SYSTEMS)) \
+             -v1 --no-grafts -K
        rm -f $(BINARY_TARBALLS)
        $(MAKE) $(BINARY_TARBALLS)
        for system in $(SUPPORTED_SYSTEMS) ; do                                 \
@@ -710,32 +755,35 @@ release: dist
           "`git rev-parse HEAD`"
        git add $(top_srcdir)/gnu/packages/package-management.scm
        git commit -m "gnu: guix: Update to `git rev-parse HEAD | cut -c1-7`."
-       for system in $(GUIXSD_SUPPORTED_SYSTEMS) ; do                                  \
+       $(top_builddir)/pre-inst-env guix build guix                    \
+             $(call system_flags,$(GUIX_SYSTEM_SUPPORTED_SYSTEMS))     \
+             -v1 --no-grafts -K
+       for system in $(GUIX_SYSTEM_SUPPORTED_SYSTEMS) ; do                             \
          image=`$(top_builddir)/pre-inst-env                                           \
            guix system disk-image                                                      \
            --file-system-type=iso9660                                                  \
             --system=$$system                                                          \
            gnu/system/install.scm` ;                                                   \
          if [ ! -f "$$image" ] ; then                                                  \
-           echo "failed to produced GuixSD installation image for $$system" >&2 ;      \
+           echo "failed to produced Guix installation image for $$system" >&2 ;        \
            exit 1 ;                                                                    \
          fi ;                                                                          \
-         xz < "$$image" > "$(releasedir)/$(GUIXSD_IMAGE_BASE).$$system.iso.xz.tmp" ;   \
-         mv "$(releasedir)/$(GUIXSD_IMAGE_BASE).$$system.iso.xz.tmp"                   \
-            "$(releasedir)/$(GUIXSD_IMAGE_BASE).$$system.iso.xz" ;                     \
+         xz < "$$image" > "$(releasedir)/$(GUIX_SYSTEM_IMAGE_BASE).$$system.iso.xz.tmp" ;      \
+         mv "$(releasedir)/$(GUIX_SYSTEM_IMAGE_BASE).$$system.iso.xz.tmp"              \
+            "$(releasedir)/$(GUIX_SYSTEM_IMAGE_BASE).$$system.iso.xz" ;                \
        done
-       for system in $(GUIXSD_VM_SYSTEMS) ; do                                         \
+       for system in $(GUIX_SYSTEM_VM_SYSTEMS) ; do                                    \
          image=`$(top_builddir)/pre-inst-env                                           \
-           guix system vm-image                                                        \
+           guix system vm-image $(GUIX_SYSTEM_VM_IMAGE_FLAGS)                          \
            --system=$$system                                                           \
            gnu/system/examples/vm-image.tmpl` ;                                        \
          if [ ! -f "$$image" ] ; then                                                  \
-           echo "failed to produced GuixSD VM image for $$system" >&2 ;                \
+           echo "failed to produced Guix VM image for $$system" >&2 ;                  \
            exit 1 ;                                                                    \
          fi ;                                                                          \
-         xz < "$$image" > "$(releasedir)/$(GUIXSD_VM_IMAGE_BASE).$$system.xz.tmp" ;    \
-         mv "$(releasedir)/$(GUIXSD_VM_IMAGE_BASE).$$system.xz.tmp"                    \
-            "$(releasedir)/$(GUIXSD_VM_IMAGE_BASE).$$system.xz" ;                      \
+         xz < "$$image" > "$(releasedir)/$(GUIX_SYSTEM_VM_IMAGE_BASE).$$system.xz.tmp" ;       \
+         mv "$(releasedir)/$(GUIX_SYSTEM_VM_IMAGE_BASE).$$system.xz.tmp"                       \
+            "$(releasedir)/$(GUIX_SYSTEM_VM_IMAGE_BASE).$$system.xz" ;                 \
        done
        @echo
        @echo "Congratulations!  All the release files are now in $(releasedir)."
@@ -757,13 +805,13 @@ update-NEWS: $(GOBJECTS)
          $(top_srcdir)/NEWS "$(GUIX_MAINTENANCE_DIRECTORY)/data"
 
 # Make sure we're not shipping a file that embeds a local /gnu/store file name.
-assert-no-store-file-names: $(distdir)/ChangeLog
+assert-no-store-file-names:
        $(AM_V_at)if grep -r --exclude=*.texi --exclude=*.info                  \
             --exclude=*.info-[0-9] --exclude=*.dot                             \
             --exclude=*.eps --exclude-dir=bootstrap                            \
                 --exclude=guix-manual.pot --exclude=guix-manual.*.po           \
             --exclude=guix-prettify.el                                         \
-            --exclude=ChangeLog                                                \
+            --exclude=ChangeLog*                                               \
             -E "$(storedir)/[a-z0-9]{32}-" $(distdir) ;                        \
        then                                                                    \
          echo "error: store file names embedded in the distribution" >&2 ;     \
@@ -803,6 +851,39 @@ cuirass-jobs.scm: $(GOBJECTS)
 .PHONY: clean-go make-go as-derivation
 .PHONY: update-guix-package update-NEWS release
 
+# Downloading up-to-date PO files.
+
+# make-download-po-rule DOMAIN DIRECTORY [FILE-NAME-PREFIX]
+define make-download-po-rule
+
+download-po.$(1):
+       if [ -f "$(top_srcdir)/$(2)/LINGUAS" ]; then                            \
+         LINGUAS="`grep -v '^[[:blank:]]*#' < $(top_srcdir)/$(2)/LINGUAS`" ;   \
+       else                                                                    \
+         LINGUAS="`(cd $(top_srcdir)/$(2);                                     \
+           for i in *.po; do echo $$$$i; done) | cut -d . -f 2`" ;             \
+       fi ;                                                                    \
+       for lang in $$$$LINGUAS; do                                             \
+         if wget -nv -O "$(top_srcdir)/$(2)/$(3)$$$$lang.po.tmp"               \
+            "https://translationproject.org/latest/$(1)/$$$$lang.po" ;         \
+         then                                                                  \
+           mv "$(top_srcdir)/$(2)/$(3)$$$$lang.po"{.tmp,} ;                    \
+         else                                                                  \
+           rm "$(top_srcdir)/$(2)/$(3)$$$$lang.po.tmp" ;                       \
+         fi ;                                                                  \
+       done
+
+.PHONY: download-po.$(1)
+
+endef
+
+$(eval $(call make-download-po-rule,guix,po/guix))
+$(eval $(call make-download-po-rule,guix-packages,po/packages))
+$(eval $(call make-download-po-rule,guix-manual,po/doc,guix-manual.))
+
+download-po: $(foreach domain,guix guix-packages guix-manual,download-po.$(domain))
+.PHONY: download-po
+
 ## -------------- ##
 ## Silent rules.  ##
 ## -------------- ##