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build: Require Guile >= 2.0.13. 

* README, configure.ac, doc/guix.texi (Requirements): Increase minimum
Guile version from 2.0.9 to 2.0.13.
* config-daemon.ac: Remove use of 'GUIX_CHECK_UNBUFFERED_CBIP'.
* m4/guix.m4 (GUIX_CHECK_UNBUFFERED_CBIP): Remove.
* guix/build/download.scm (current-http-proxy): Remove.
* guix/build/syscalls.scm (%libc-errno-pointer, errno): Remove.
(syscall->procedure): Use #:return-errno unconditionally.
* guix/hash.scm (open-sha256-input-port)[unbuffered]: Remove outdated
comment.
* guix/http-client.scm (when-guile<=2.0.5-or-otherwise-broken): Remove.
<top level>: Remove 'when-guile<=2.0.5-or-otherwise-broken' block.
* guix/scripts/substitute.scm (fetch): Remove 'guile-version>?'
conditional.
* tests/hash.scm (supports-unbuffered-cbip?): Remove.
<top level>: Remove 'test-skip' call.
master
Ludovic Courtès 2018-02-15 16:13:36 +01:00
parent cb723be5b9
commit 1d84d7bf60
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GPG Key ID: 090B11993D9AEBB5
11 changed files with 14 additions and 258 deletions
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2
README
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@ -20,7 +20,7 @@ Guix is based on the [[https://nixos.org/nix/][Nix]] package manager.
GNU Guix currently depends on the following packages:
- [[https://gnu.org/software/guile/][GNU Guile 2.2.x or 2.0.x]], version 2.0.9 or later
- [[https://gnu.org/software/guile/][GNU Guile 2.2.x or 2.0.x]], version 2.0.13 or later
- [[https://gnupg.org/][GNU libgcrypt]]
- [[https://www.gnu.org/software/make/][GNU Make]]
- [[https://www.gnutls.org][GnuTLS]] compiled with guile support enabled.

5
config-daemon.ac
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@ -132,11 +132,6 @@ if test "x$guix_build_daemon" = "xyes"; then
AC_DEFINE_UNQUOTED([GUIX_SUBSTITUTE_URLS], ["$guix_substitute_urls"],
[Default list of substitute URLs used by 'guix-daemon'.])
dnl Check whether the 'offload' build hook can be built (uses
dnl 'restore-file-set', which requires unbuffered custom binary input
dnl ports from Guile >= 2.0.10.)
GUIX_CHECK_UNBUFFERED_CBIP
dnl Check for Guile-SSH, which is required by 'guix offload'.
GUIX_CHECK_GUILE_SSH

2
configure.ac
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@ -98,7 +98,7 @@ if test "x$GUILD" = "x"; then
fi
if test "x$GUILE_EFFECTIVE_VERSION" = "x2.0"; then
PKG_CHECK_MODULES([GUILE], [guile-2.0 >= 2.0.9])
PKG_CHECK_MODULES([GUILE], [guile-2.0 >= 2.0.13])
fi
dnl Installation directories for .scm and .go files.

2
doc/guix.texi
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@ -601,7 +601,7 @@ in the Guix source tree for additional details.
GNU Guix depends on the following packages:
@itemize
@item @url{http://gnu.org/software/guile/, GNU Guile}, version 2.0.9 or
@item @url{http://gnu.org/software/guile/, GNU Guile}, version 2.0.13 or
later, including 2.2.x;
@item @url{http://gnupg.org/, GNU libgcrypt};
@item

10
guix/build/download.scm
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@ -1,5 +1,5 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2012, 2013, 2014, 2015, 2016, 2017 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2012, 2013, 2014, 2015, 2016, 2017, 2018 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2015 Mark H Weaver <mhw@netris.org>
;;; Copyright © 2017 Tobias Geerinckx-Rice <me@tobias.gr>
;;;
@ -321,14 +321,6 @@ host name without trailing dot."
((uri? uri-or-string) uri-or-string)
(else (error "Invalid URI" uri-or-string))))
(define current-http-proxy
;; XXX: Add a dummy definition for Guile < 2.0.10; this is used in
;; 'open-socket-for-uri'.
(or (and=> (module-variable (resolve-interface '(web client))
'current-http-proxy)
variable-ref)
(const #f)))
(define* (open-socket-for-uri uri-or-string #:key timeout)
"Return an open input/output port for a connection to URI. When TIMEOUT is
not #f, it must be a (possibly inexact) number denoting the maximum duration

48
guix/build/syscalls.scm
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@ -1,5 +1,5 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2014, 2015, 2016, 2017 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2014, 2015, 2016, 2017, 2018 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2015 David Thompson <davet@gnu.org>
;;; Copyright © 2015 Mark H Weaver <mhw@netris.org>
;;; Copyright © 2017 Mathieu Othacehe <m.othacehe@gmail.com>
@ -350,39 +350,6 @@ expansion-time error is raised if FIELD does not exist in TYPE."
;;; FFI.
;;;
(define %libc-errno-pointer
;; Glibc's 'errno' pointer, for use with Guile < 2.0.12.
(let ((errno-loc (false-if-exception
(dynamic-func "__errno_location" (dynamic-link)))))
(and errno-loc
(let ((proc (pointer->procedure '* errno-loc '())))
(proc)))))
(define errno ;for Guile < 2.0.12
(if %libc-errno-pointer
(let ((bv (pointer->bytevector %libc-errno-pointer (sizeof int))))
(lambda ()
"Return the current errno."
;; XXX: We assume that nothing changes 'errno' while we're doing all this.
;; In particular, that means that no async must be running here.
;; Use one of the fixed-size native-ref procedures because they are
;; optimized down to a single VM instruction, which reduces the risk
;; that we fiddle with 'errno' (needed on Guile 2.0.5, libc 2.11.)
(let-syntax ((ref (lambda (s)
(syntax-case s ()
((_ bv)
(case (sizeof int)
((4)
#'(bytevector-s32-native-ref bv 0))
((8)
#'(bytevector-s64-native-ref bv 0))
(else
(error "unsupported 'int' size"
(sizeof int)))))))))
(ref bv))))
(lambda () 0)))
(define (call-with-restart-on-EINTR thunk)
(let loop ()
(catch 'system-error
@ -406,17 +373,8 @@ the returned procedure is called."
(lambda ()
(let ((ptr (dynamic-func name (dynamic-link))))
;; The #:return-errno? facility was introduced in Guile 2.0.12.
;; Support older versions of Guile by catching 'wrong-number-of-args'.
(catch 'wrong-number-of-args
(lambda ()
(pointer->procedure return-type ptr argument-types
#:return-errno? #t))
(lambda (key . rest)
(let ((proc (pointer->procedure return-type ptr argument-types)))
(lambda args
(let ((result (apply proc args))
(err (errno)))
(values result err))))))))
(pointer->procedure return-type ptr argument-types
#:return-errno? #t)))
(lambda args
(lambda _
(error (format #f "~a: syscall->procedure failed: ~s"

3
guix/hash.scm
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@ -1,5 +1,5 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2012, 2013, 2014, 2015, 2016 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2012, 2013, 2014, 2015, 2016, 2018 Ludovic Courtès <ludo@gnu.org>
;;;
;;; This file is part of GNU Guix.
;;;
@ -159,7 +159,6 @@ data read from PORT. The thunk always returns the same value."
(define (unbuffered port)
;; Guile <= 2.0.9 does not support 'setvbuf' on custom binary input ports.
;; If you get a wrong-type-arg error here, the fix is to upgrade Guile. :-)
(setvbuf port _IONBF)
port)

154
guix/http-client.scm
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@ -1,5 +1,5 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2012, 2013, 2014, 2015, 2016, 2017 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2012, 2013, 2014, 2015, 2016, 2017, 2018 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2015 Mark H Weaver <mhw@netris.org>
;;; Copyright © 2012, 2015 Free Software Foundation, Inc.
;;; Copyright © 2017 Tobias Geerinckx-Rice <me@tobias.gr>
@ -69,158 +69,6 @@
(reason http-get-error-reason)) ; string
(define-syntax when-guile<=2.0.5-or-otherwise-broken
(lambda (s)
(syntax-case s ()
((_ body ...)
;; Always emit BODY, regardless of VERSION, because sometimes this code
;; might be compiled with a recent Guile and run with 2.0.5---e.g.,
;; when using "guix pull".
#'(begin body ...)))))
(when-guile<=2.0.5-or-otherwise-broken
;; Backport of Guile commits 312e79f8 ("Add HTTP Chunked Encoding support to
;; web modules."), 00d3ecf2 ("http: Do not buffer HTTP chunks."), and 53b8d5f
;; ("web: Gracefully handle premature EOF when reading chunk header.")
(use-modules (ice-9 rdelim))
(define %web-http
(resolve-module '(web http)))
;; Chunked Responses
(define (read-chunk-header port)
"Read a chunk header from PORT and return the size in bytes of the
upcoming chunk."
(match (read-line port)
((? eof-object?)
;; Connection closed prematurely: there's nothing left to read.
0)
(str
(let ((extension-start (string-index str
(lambda (c)
(or (char=? c #\;)
(char=? c #\return))))))
(string->number (if extension-start ; unnecessary?
(substring str 0 extension-start)
str)
16)))))
(define* (make-chunked-input-port port #:key (keep-alive? #f))
"Returns a new port which translates HTTP chunked transfer encoded
data from PORT into a non-encoded format. Returns eof when it has
read the final chunk from PORT. This does not necessarily mean
that there is no more data on PORT. When the returned port is
closed it will also close PORT, unless the KEEP-ALIVE? is true."
(define (close)
(unless keep-alive?
(close-port port)))
(define chunk-size 0) ;size of the current chunk
(define remaining 0) ;number of bytes left from the current chunk
(define finished? #f) ;did we get all the chunks?
(define (read! bv idx to-read)
(define (loop to-read num-read)
(cond ((or finished? (zero? to-read))
num-read)
((zero? remaining) ;get a new chunk
(let ((size (read-chunk-header port)))
(set! chunk-size size)
(set! remaining size)
(if (zero? size)
(begin
(set! finished? #t)
num-read)
(loop to-read num-read))))
(else ;read from the current chunk
(let* ((ask-for (min to-read remaining))
(read (get-bytevector-n! port bv (+ idx num-read)
ask-for)))
(if (eof-object? read)
(begin ;premature termination
(set! finished? #t)
num-read)
(let ((left (- remaining read)))
(set! remaining left)
(when (zero? left)
;; We're done with this chunk; read CR and LF.
(get-u8 port) (get-u8 port))
(loop (- to-read read)
(+ num-read read))))))))
(loop to-read 0))
(make-custom-binary-input-port "chunked input port" read! #f #f close))
;; Chunked encoding support in Guile <= 2.0.11 would load whole chunks in
;; memory---see <http://bugs.gnu.org/19939>.
(when (module-variable %web-http 'read-chunk-body)
(module-set! %web-http 'make-chunked-input-port make-chunked-input-port))
(define (make-delimited-input-port port len keep-alive?)
"Return an input port that reads from PORT, and makes sure that
exactly LEN bytes are available from PORT. Closing the returned port
closes PORT, unless KEEP-ALIVE? is true."
(define bytes-read 0)
(define (fail)
((@@ (web response) bad-response)
"EOF while reading response body: ~a bytes of ~a"
bytes-read len))
(define (read! bv start count)
;; Read at most LEN bytes in total. HTTP/1.1 doesn't say what to do
;; when a server provides more than the Content-Length, but it seems
;; wise to just stop reading at LEN.
(let ((count (min count (- len bytes-read))))
(let loop ((ret (get-bytevector-n! port bv start count)))
(cond ((eof-object? ret)
(if (= bytes-read len)
0 ; EOF
(fail)))
((and (zero? ret) (> count 0))
;; Do not return zero since zero means EOF, so try again.
(loop (get-bytevector-n! port bv start count)))
(else
(set! bytes-read (+ bytes-read ret))
ret)))))
(define close
(and (not keep-alive?)
(lambda ()
(close-port port))))
(make-custom-binary-input-port "delimited input port" read! #f #f close))
(define (read-header-line port)
"Read an HTTP header line and return it without its final CRLF or LF.
Raise a 'bad-header' exception if the line does not end in CRLF or LF,
or if EOF is reached."
(match (%read-line port)
(((? string? line) . #\newline)
;; '%read-line' does not consider #\return a delimiter; so if it's
;; there, remove it. We are more tolerant than the RFC in that we
;; tolerate LF-only endings.
(if (string-suffix? "\r" line)
(string-drop-right line 1)
line))
((line . _) ;EOF or missing delimiter
((@@ (web http) bad-header) 'read-header-line line))))
(unless (guile-version>? "2.0.11")
;; Guile <= 2.0.9 had a bug whereby 'response-body-port' would read more
;; than what 'content-length' says. See Guile commit 802a25b.
;; Guile <= 2.0.11 had a bug whereby the 'close' method of the response
;; body port would fail with wrong-arg-num. See Guile commit 5a10e41.
(module-set! (resolve-module '(web response))
'make-delimited-input-port make-delimited-input-port)
;; Guile <= 2.0.11 was affected by <http://bugs.gnu.org/22273>. See Guile
;; commit 4c7732c.
(when (module-variable %web-http 'read-line*)
(module-set! %web-http 'read-line* read-header-line))))
(define* (http-fetch uri #:key port (text? #f) (buffered? #t)
keep-alive? (verify-certificate? #t)
(headers '((user-agent . "GNU Guile"))))

18
guix/scripts/substitute.scm
View File

@ -1,5 +1,5 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2013, 2014, 2015, 2016, 2017 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2013, 2014, 2015, 2016, 2017, 2018 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2014 Nikita Karetnikov <nikita@karetnikov.org>
;;;
;;; This file is part of GNU Guix.
@ -212,15 +212,7 @@ provide."
(begin
(warning (G_ "while fetching ~a: server is somewhat slow~%")
(uri->string uri))
(warning (G_ "try `--no-substitutes' if the problem persists~%"))
;; Before Guile v2.0.9-39-gfe51c7b, EINTR was reported to the user,
;; and thus PORT had to be closed and re-opened. This is not the
;; case afterward.
(unless (or (guile-version>? "2.0.9")
(version>? (version) "2.0.9.39"))
(when port
(close-connection port))))
(warning (G_ "try `--no-substitutes' if the problem persists~%")))
(begin
(when (or (not port) (port-closed? port))
(set! port (guix:open-connection-for-uri
@ -571,10 +563,8 @@ initial connection on which HTTP requests are sent."
;; XXX: Do our own caching to work around inefficiencies when
;; communicating over TLS: <http://bugs.gnu.org/22966>.
(let-values (((buffer get) (open-bytevector-output-port)))
;; On Guile > 2.0.9, inherit the HTTP proxying property from P.
(when (module-variable (resolve-interface '(web http))
'http-proxy-port?)
(set-http-proxy-port?! buffer (http-proxy-port? p)))
;; Inherit the HTTP proxying property from P.
(set-http-proxy-port?! buffer (http-proxy-port? p))
(for-each (cut write-request <> buffer)
(at-most 1000 requests))

17
m4/guix.m4
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@ -136,23 +136,6 @@ AC_DEFUN([GUIX_ASSERT_GUILE_FEATURES], [
done
])
dnl GUIX_CHECK_UNBUFFERED_CBIP
dnl
dnl Check whether 'setbvuf' works on custom binary input ports (CBIPs), as is
dnl the case starting with Guile 2.0.10.
AC_DEFUN([GUIX_CHECK_UNBUFFERED_CBIP], [
AC_CACHE_CHECK([whether Guile's custom binary input ports support 'setvbuf'],
[ac_cv_guix_cbips_support_setvbuf],
[if "$GUILE" -c "(use-modules (rnrs io ports)) \
(let ((p (make-custom-binary-input-port \"cbip\" pk #f #f #f))) \
(setvbuf p _IONBF))" >&5 2>&1
then
ac_cv_guix_cbips_support_setvbuf=yes
else
ac_cv_guix_cbips_support_setvbuf=no
fi])
])
dnl GUIX_ASSERT_SYNTAX_OBJECT_EQUAL
dnl
dnl Guile 2.2.1 was a brown-paper-bag release where 'equal?' wouldn't work

11
tests/hash.scm
View File

@ -1,5 +1,5 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2013, 2014, 2017 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2013, 2014, 2017, 2018 Ludovic Courtès <ludo@gnu.org>
;;;
;;; This file is part of GNU Guix.
;;;
@ -37,13 +37,6 @@
(base16-string->bytevector
"b94d27b9934d3e08a52e52d7da7dabfac484efe37a5380ee9088f7ace2efcde9"))
(define (supports-unbuffered-cbip?)
"Return #t if unbuffered custom binary input ports (CBIPs) are supported.
In Guile <= 2.0.9, CBIPs were always fully buffered, so the
'open-sha256-input-port' does not work there."
(false-if-exception
(setvbuf (make-custom-binary-input-port "foo" pk #f #f #f) _IONBF)))
(test-begin "hash")
@ -77,8 +70,6 @@ In Guile <= 2.0.9, CBIPs were always fully buffered, so the
(equal? (sha256 contents)
(call-with-input-file file port-sha256))))
(test-skip (if (supports-unbuffered-cbip?) 0 4))
(test-equal "open-sha256-input-port, empty"
`("" ,%empty-sha256)
(let-values (((port get)