build: Check for the availability of binaries upon "distcheck".
* build-aux/check-available-binaries.scm: New file.
* Makefile.am (EXTRA_DIST): Add it.
(distcheck-hook, assert-binaries-available): New target.
gnu: pango, gtk+: Propagate inputs.
* gnu/packages/gtk.scm (pango): Propagate input cairo.
* gnu/packages/gtk.scm (gtk+): Propagate inputs atk, gdk-pixbuf and pango;
drop input cairo, propagated through pango.
Add gtk+.
* gnu/packages/gtk.scm (pango): Propagate input harfbuzz.
* gnu/packages/gtk.scm (gtk+): New variable.
gnu: make-bootstrap: Skip tests for the statically-linked gawk.
* gnu/packages/make-bootstrap.scm (%static-inputs)[gawk]: Add #:tests? #f.
Rename (guix web) to (guix http-client).
* guix/web.scm: Rename to...
* guix/http-client.scm: ... this.
* guix/gnu-maintenance.scm, guix/scripts/substitute-binary.scm,
Makefile.am, po/POTFILES.in: Update accordingly.
doc: Add "Building from Git" to 'HACKING'.
guix package: Fix handling of `-e'.
This fixes a bug whereby a command like
guix package -e '(@@ (gnu packages base) gnu-make-boot0)'
would only succeed when the outputs of that package are available, and
otherwise fail with "/nix/store/... is not valid".
* guix/scripts/package.scm (guix-package)[process-action](package->tuple):
Leave P as is in the result. Move `package->tuple' call from INSTALL*
to INSTALL.
ui: Ignore SIGPIPE and catch `system-error' exceptions.
* guix/ui.scm (initialize-guix): Call `sigaction'.
(call-with-error-handling): Wrap `thunk' in a (catch 'system-error ...).
guix package: Reuse FTP connections for subsequent `latest-release' calls.
* guix/gnu-maintenance.scm (latest-release): Add `ftp-close' and
`ftp-open' keyword parameters.
* guix/scripts/package.scm (ftp-open*): New variable.
(check-package-freshness): Call `latest-release' with `ftp-open*' and
a no-op procedure.
gnu-maintenance: `latest-release' closes its connection.
* guix/gnu-maintenance.scm (latest-release): Close CONN before
returning.
gnu: plotutils: Allow compilation with newer libpng.
* gnu-system.am (dist_patch_DATA): Add it.
* gnu/packages/patches/plotutils-libpng-jmpbuf.patch: New file.
* gnu/packages/plotutils.scm (plotutils): Add
`plotutils-libpng-jmpbuf.patch' as an input, and apply it.
gnu: freeipmi: Upgrade to 1.2.8.
* gnu/packages/freeipmi.scm (freeipmi): Upgrade to 1.2.8.
gnu: libidn: Upgrade to 1.28.
* gnu/packages/libidn.scm (libidn): Upgrade to 1.28.
gnu: gnupg: Upgrade support libraries.
* gnu/packages/gnupg.scm (libgpg-error): Upgrade to 1.12.
(libassuan): Upgrade to 2.1.1.
substitute-binary: Directly replace the global `regexp-exec'.
* guix/scripts/substitute-binary.scm (%regexp-exec-mutex, string->uri):
Remove.
(regexp-exec): Replace this global binding by a thread-safety wrapper.
(fields->alist): Remove `with-mutex', and directly alias `recutils->alist'.
gnu: help2man: Upgrade to 1.43.3.
* gnu/packages/help2man.scm (help2man): Upgrade to 1.43.3.
gnu: xorriso: Upgrade to 1.3.0.
* gnu/packages/cdrom.scm (xorriso): Upgrade to 1.3.0.