gnu: go-github-com-golang-groupcache-lru: Update to 0.0.0-1.84a468c.

* gnu/packages/syncthing.scm (go-github-com-golang-groupcache-lru):
Update to 0.0.0-1.84a468c.

gnu: go-github-com-gogo-protobuf: Update to 0.5-1.35b81a0.

* gnu/packages/syncthing.scm (go-github-com-gogo-protobuf): Update to
0.5-1.35b81a0.

gnu: go-github-com-chmduquesne-rollinghash-adler32: Update to 0.0.0-1.3dc7875.

* gnu/packages/syncthing.scm (go-github-com-chmduquesne-rollinghash-adler32):
Update to 0.0.0-1.3dc7875.

gnu: go-golang-org-x-time-rate: Update to 0.0.0-1.6dc1736.

* gnu/packages/syncthing.scm (go-golang-org-x-time-rate): Update to
0.0.0-1.6dc1736.

gnu: go-golang-org-x-sys-unix: Update to 0.0.0-1.8380141.

* gnu/packages/syncthing.scm (go-golang-org-x-sys-unix): Update to
0.0.0-1.8380141.
[arguments]: Adjust the tests to the build environment.

gnu: kcp-go: Switch upstream source.

* gnu/packages/syncthing.scm (go-github-com-audriusbutkevicius-kcp-go):
Replace with ...
(go-github-com-xtaci-kcp-go): ... new variable.

gnu: Add go-github-com-klauspost-reedsolomon.

* gnu/packages/syncthing.scm (go-github-com-klauspost-reedsolomon): New
variable.

gnu: Add go-github-com-klauspost-cpuid.

* gnu/packages/syncthing.scm (go-github-com-klauspost-cpuid): New variable.

gnu: go-github-com-minio-sha256-simd: Update to 0.0.0-1.ad98a36.

* gnu/packages/syncthing.scm (go-github-com-minio-sha256-simd): Update
to 0.0.0-1.ad98a36.

gnu: go-github-com-zillode-notify: Update to  0.0.0-1.8fff849.

* gnu/packages/syncthing.scm (go-github-com-zillode-notify): Update to
0.0.0-1.8fff849.

gnu: xterm: Update to 331.

* gnu/packages/xorg.scm (xterm): Update to 331.
[arguments]: Remove now-default ‘--enable-256-color’ from #:configure-flags.
now enabled by default.

gnu: yoshimi: Update to 1.5.6.

* gnu/packages/music.scm (yoshimi): Update to 1.5.6.
[description]: Tweak slightly.

gnu: yoshimi: Find ncurses with pkg-config.

* gnu/packages/music.scm (yoshimi)[arguments]: Remove obsolete
‘find-ncurses’ phase.

gnu: yadifa: Update to 2.3.7.

* gnu/packages/dns.scm (yadifa): Update to 2.3.7.
[arguments]: Add ‘--disable-build-timestamp’ and ‘--enable-acl’ to, and
remove ‘--enable-messages’ from #:configure-flags.

gnu: perl-module-pluggable: Fix perms on patch.

* gnu/packages/patches/perl-module-pluggable-search.patch: Remove executable
bit.

publish: Remove "Guix-Nar-Compression" header from responses.

This was harmless but non-compliant and unnecessary.

* guix/scripts/publish.scm <top level>: Rename "Guix-Nar-Compression" to
"X-Nar-Compression" as should have always been.
(render-nar, nar-response-port): Adjust accordingly.
(strip-headers): New procedure.
(sans-content-length, with-content-length): Use it.

system: Extend .gdbinit to authorize extensions from /gnu/store/*/lib.

* gnu/system/shadow.scm (default-skeletons)["gdbinit"]: Add 'auto-load
safe-path' statement.

gnu: libb2: Only check for CPU optimisations on Intel architectures.

* gnu/packages/crypto.scm (libb2)[arguments]: Only pass the
configure-flag '--enable-fat' on i686 or x86_64.

gnu: iucode-tool: Limit to Intel compatible architectures.

* gnu/packages/linux.scm (iucode-tool)[supported-systems]: New field.

gnu: notmuch: Update to 0.26.

* gnu/packages/mail.scm (notmuch): Update to 0.26.