gnu/packages/base.scm

   1 ;;; GNU Guix --- Functional package management for GNU
   2 ;;; Copyright © 2012, 2013, 2014, 2015, 2016, 2017 Ludovic Courtès <ludo@gnu.org>
   3 ;;; Copyright © 2014 Andreas Enge <andreas@enge.fr>
   4 ;;; Copyright © 2012 Nikita Karetnikov <nikita@karetnikov.org>
   5 ;;; Copyright © 2014, 2015, 2016 Mark H Weaver <mhw@netris.org>
   6 ;;; Copyright © 2014 Alex Kost <alezost@gmail.com>
   7 ;;; Copyright © 2014, 2015 Manolis Fragkiskos Ragkousis <manolis837@gmail.com>
   8 ;;; Copyright © 2016 Efraim Flashner <efraim@flashner.co.il>
   9 ;;; Copyright © 2016 Jan Nieuwenhuizen <janneke@gnu.org>
  10 ;;; Copyright © 2017 Rene Saavedra <rennes@openmailbox.org>
  11 ;;;
  12 ;;; This file is part of GNU Guix.
  13 ;;;
  14 ;;; GNU Guix is free software; you can redistribute it and/or modify it
  15 ;;; under the terms of the GNU General Public License as published by
  16 ;;; the Free Software Foundation; either version 3 of the License, or (at
  17 ;;; your option) any later version.
  18 ;;;
  19 ;;; GNU Guix is distributed in the hope that it will be useful, but
  20 ;;; WITHOUT ANY WARRANTY; without even the implied warranty of
  21 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22 ;;; GNU General Public License for more details.
  23 ;;;
  24 ;;; You should have received a copy of the GNU General Public License
  25 ;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
  26
  27 (define-module (gnu packages base)
  28   #:use-module ((guix licenses)
  29                 #:select (gpl3+ lgpl2.0+ lgpl3+ public-domain))
  30   #:use-module (gnu packages)
  31   #:use-module (gnu packages acl)
  32   #:use-module (gnu packages bash)
  33   #:use-module (gnu packages ed)
  34   #:use-module (gnu packages guile)
  35   #:use-module (gnu packages multiprecision)
  36   #:use-module (gnu packages compression)
  37   #:use-module (gnu packages perl)
  38   #:use-module (gnu packages linux)
  39   #:use-module (gnu packages texinfo)
  40   #:use-module (gnu packages hurd)
  41   #:use-module (gnu packages pkg-config)
  42   #:use-module (gnu packages gettext)
  43   #:use-module (guix utils)
  44   #:use-module (guix packages)
  45   #:use-module (guix download)
  46   #:use-module (guix git-download)
  47   #:use-module (guix build-system gnu)
  48   #:use-module (guix build-system trivial)
  49   #:use-module (ice-9 match)
  50   #:export (glibc
  51             libiconv-if-needed))
  52
  53 ;;; Commentary:
  54 ;;;
  55 ;;; Base packages of the Guix-based GNU user-land software distribution.
  56 ;;;
  57 ;;; Code:
  58
  59 (define-public hello
  60   (package
  61     (name "hello")
  62     (version "2.10")
  63     (source (origin
  64               (method url-fetch)
  65               (uri (string-append "mirror://gnu/hello/hello-" version
  66                                   ".tar.gz"))
  67               (sha256
  68                (base32
  69                 "0ssi1wpaf7plaswqqjwigppsg5fyh99vdlb9kzl7c9lng89ndq1i"))))
  70     (build-system gnu-build-system)
  71     (synopsis "Hello, GNU world: An example GNU package")
  72     (description
  73      "GNU Hello prints the message \"Hello, world!\" and then exits.  It
  74 serves as an example of standard GNU coding practices.  As such, it supports
  75 command-line arguments, multiple languages, and so on.")
  76     (home-page "https://www.gnu.org/software/hello/")
  77     (license gpl3+)))
  78
  79 (define-public grep
  80   (package
  81    (name "grep")
  82    (version "3.0")
  83    (source (origin
  84             (method url-fetch)
  85             (uri (string-append "mirror://gnu/grep/grep-"
  86                                 version ".tar.xz"))
  87             (sha256
  88              (base32
  89               "1dcasjp3a578nrvzrcn38mpizb8w1q6mvfzhjmcqqgkf0nsivj72"))
  90             (patches (search-patches "grep-timing-sensitive-test.patch"
  91                                      "grep-gnulib-lock.patch"))))
  92    (build-system gnu-build-system)
  93    (native-inputs `(("perl" ,perl)))             ;some of the tests require it
  94    (arguments
  95     `(#:phases
  96       (modify-phases %standard-phases
  97         (add-after 'install 'fix-egrep-and-fgrep
  98           ;; Patch 'egrep' and 'fgrep' to execute 'grep' via its
  99           ;; absolute file name instead of searching for it in $PATH.
 100           (lambda* (#:key outputs #:allow-other-keys)
 101             (let* ((out (assoc-ref outputs "out"))
 102                    (bin (string-append out "/bin")))
 103               (substitute* (list (string-append bin "/egrep")
 104                                  (string-append bin "/fgrep"))
 105                 (("^exec grep")
 106                  (string-append "exec " bin "/grep")))
 107               #t))))))
 108    (synopsis "Print lines matching a pattern")
 109    (description
 110      "grep is a tool for finding text inside files.  Text is found by
 111 matching a pattern provided by the user in one or many files.  The pattern
 112 may be provided as a basic or extended regular expression, or as fixed
 113 strings.  By default, the matching text is simply printed to the screen,
 114 however the output can be greatly customized to include, for example, line
 115 numbers.  GNU grep offers many extensions over the standard utility,
 116 including, for example, recursive directory searching.")
 117    (license gpl3+)
 118    (home-page "https://www.gnu.org/software/grep/")))
 119
 120 (define-public sed
 121   (package
 122    (name "sed")
 123    (version "4.4")
 124    (source (origin
 125             (method url-fetch)
 126             (uri (string-append "mirror://gnu/sed/sed-" version
 127                                 ".tar.xz"))
 128             (sha256
 129              (base32
 130               "0fv88bcnraixc8jvpacvxshi30p5x9m7yb8ns1hfv07hmb2ypmnb"))))
 131    (build-system gnu-build-system)
 132    (synopsis "Stream editor")
 133    (arguments
 134     `(#:phases
 135       (modify-phases %standard-phases
 136         (add-after 'unpack 'dont-rebuild-sed.1
 137           (lambda _
 138             ;; Make sure we do not attempt to rebuild 'doc/sed.1', which does
 139             ;; not work when cross-compiling because we cannot run 'sed'.
 140             ;; This is fixed upstream as commit a0a25e3.
 141             (substitute* "Makefile.in"
 142               (("^doc/sed\\.1:.*")
 143                "doc/sed.1:\n"))
 144             #t))
 145         (add-before 'patch-source-shebangs 'patch-test-suite
 146           (lambda* (#:key inputs #:allow-other-keys)
 147             (patch-makefile-SHELL "testsuite/Makefile.tests")
 148             (substitute* '("testsuite/bsd.sh"
 149                            "testsuite/bug-regex9.c")
 150               (("/bin/sh")
 151                (which "sh")))
 152             #t)))))
 153    (description
 154     "Sed is a non-interactive, text stream editor.  It receives a text
 155 input from a file or from standard input and it then applies a series of text
 156 editing commands to the stream and prints its output to standard output.  It
 157 is often used for substituting text patterns in a stream.  The GNU
 158 implementation offers several extensions over the standard utility.")
 159    (license gpl3+)
 160    (home-page "https://www.gnu.org/software/sed/")))
 161
 162 (define-public tar
 163   (package
 164    (name "tar")
 165    (version "1.29")
 166    (source (origin
 167             (method url-fetch)
 168             (uri (string-append "mirror://gnu/tar/tar-"
 169                                 version ".tar.xz"))
 170             (sha256
 171              (base32
 172               "097hx7sbzp8qirl4m930lw84kn0wmxhmq7v1qpra3mrg0b8cyba0"))
 173             (patches (search-patches "tar-CVE-2016-6321.patch"
 174                                      "tar-skip-unreliable-tests.patch"))))
 175    (build-system gnu-build-system)
 176    ;; Note: test suite requires ~1GiB of disk space.
 177    (arguments
 178     '(#:phases (modify-phases %standard-phases
 179                  (add-before 'build 'set-shell-file-name
 180                    (lambda* (#:key inputs #:allow-other-keys)
 181                      ;; Do not use "/bin/sh" to run programs.
 182                      (let ((bash (assoc-ref inputs "bash")))
 183                        (substitute* "src/system.c"
 184                          (("/bin/sh")
 185                           (string-append bash "/bin/sh")))
 186                        #t))))))
 187
 188    ;; When cross-compiling, the 'set-shell-file-name' phase needs to be able
 189    ;; to refer to the target Bash.
 190    (inputs (if (%current-target-system)
 191                `(("bash" ,bash))
 192                '()))
 193
 194    (synopsis "Managing tar archives")
 195    (description
 196     "Tar provides the ability to create tar archives, as well as the
 197 ability to extract, update or list files in an existing archive.  It is
 198 useful for combining many files into one larger file, while maintaining
 199 directory structure and file information such as permissions and
 200 creation/modification dates.  GNU tar offers many extensions over the
 201 standard utility.")
 202    (license gpl3+)
 203    (home-page "https://www.gnu.org/software/tar/")))
 204
 205 (define-public patch
 206   (package
 207    (name "patch")
 208     (version "2.7.5")
 209     (source (origin
 210               (method url-fetch)
 211               (uri (string-append "mirror://gnu/patch/patch-"
 212                                   version ".tar.xz"))
 213               (sha256
 214                (base32
 215                 "16d2r9kpivaak948mxzc0bai45mqfw73m113wrkmbffnalv1b5gx"))
 216               (patches (search-patches "patch-hurd-path-max.patch"))))
 217    (build-system gnu-build-system)
 218    (native-inputs `(("ed" ,ed)))
 219    (synopsis "Apply differences to originals, with optional backups")
 220    (description
 221     "Patch is a program that applies changes to files based on differences
 222 laid out as by the program \"diff\".  The changes may be applied to one or more
 223 files depending on the contents of the diff file.  It accepts several
 224 different diff formats.  It may also be used to revert previously applied
 225 differences.")
 226    (license gpl3+)
 227    (home-page "https://savannah.gnu.org/projects/patch/")))
 228
 229 (define-public diffutils
 230   (package
 231    (name "diffutils")
 232    (version "3.5")
 233    (source (origin
 234             (method url-fetch)
 235             (uri (string-append "mirror://gnu/diffutils/diffutils-"
 236                                 version ".tar.xz"))
 237             (sha256
 238              (base32
 239               "0csmqfz8ks23kdjsq0v2ll1acqiz8lva06dj19mwmymrsp69ilys"))))
 240    (build-system gnu-build-system)
 241    (synopsis "Comparing and merging files")
 242    (description
 243     "GNU Diffutils is a package containing tools for finding the
 244 differences between files.  The \"diff\" command is used to show how two files
 245 differ, while \"cmp\" shows the offsets and line numbers where they differ.
 246 \"diff3\" allows you to compare three files.  Finally, \"sdiff\" offers an
 247 interactive means to merge two files.")
 248    (license gpl3+)
 249    (home-page "https://www.gnu.org/software/diffutils/")))
 250
 251 (define-public findutils
 252   (package
 253    (name "findutils")
 254    (version "4.6.0")
 255    (source (origin
 256             (method url-fetch)
 257             (uri (string-append "mirror://gnu/findutils/findutils-"
 258                                 version ".tar.gz"))
 259             (sha256
 260              (base32
 261               "178nn4dl7wbcw499czikirnkniwnx36argdnqgz4ik9i6zvwkm6y"))
 262             (patches (search-patches "findutils-localstatedir.patch"
 263                                      "findutils-test-xargs.patch"))))
 264    (build-system gnu-build-system)
 265    (arguments
 266     `(#:configure-flags (list
 267                          ;; Tell 'updatedb' to write to /var.
 268                          "--localstatedir=/var"
 269
 270                          ;; Work around cross-compilation failure.  See
 271                          ;; <http://savannah.gnu.org/bugs/?27299#comment1>.
 272                          ,@(if (%current-target-system)
 273                                '("gl_cv_func_wcwidth_works=yes")
 274                                '()))))
 275    (synopsis "Operating on files matching given criteria")
 276    (description
 277     "Findutils supplies the basic file directory searching utilities of the
 278 GNU system.  It consists of two primary searching utilities: \"find\"
 279 recursively searches for files in a directory according to given criteria and
 280 \"locate\" lists files in a database that match a query.  Two auxiliary tools
 281 are included: \"updatedb\" updates the file name database and \"xargs\" may be
 282 used to apply commands with arbitrarily long arguments.")
 283    (license gpl3+)
 284    (home-page "https://www.gnu.org/software/findutils/")))
 285
 286 (define-public coreutils
 287   (package
 288    (name "coreutils")
 289    (version "8.26")
 290    (source (origin
 291             (method url-fetch)
 292             (uri (string-append "mirror://gnu/coreutils/coreutils-"
 293                                 version ".tar.xz"))
 294             (sha256
 295              (base32
 296               "13lspazc7xkviy93qz7ks9jv4sldvgmwpq36ghrbrqpq93br8phm"))
 297             (patches (search-patches "coreutils-fix-cross-compilation.patch"))))
 298    (build-system gnu-build-system)
 299    (inputs `(("acl"  ,acl)                        ; TODO: add SELinux
 300              ("gmp"  ,gmp)                        ;bignums in 'expr', yay!
 301
 302              ;; Drop the dependency on libcap when cross-compiling since it's
 303              ;; not quite cross-compilable.
 304              ,@(if (%current-target-system)
 305                    '()
 306                    `(("libcap" ,libcap)))))  ;capability support is 'ls', etc.
 307    (native-inputs
 308     ;; Perl is needed to run tests in native builds, and to run the bundled
 309     ;; copy of help2man.  However, don't pass it when cross-compiling since
 310     ;; that would lead it to try to run programs to get their '--help' output
 311     ;; for help2man.
 312     `(,@(if (%current-target-system)
 313             '()
 314             `(("perl" ,perl)))
 315
 316       ;; Apply this patch only on ARM to avoid a full rebuild.
 317       ;; TODO: Move to 'patches' in the next update cycle.
 318       ,@(if (string-prefix? "arm" (or (%current-target-system)
 319                                       (%current-system)))
 320             `(("cut-test.patch"
 321                ,(search-patch "coreutils-cut-huge-range-test.patch")))
 322             '())))
 323    (outputs '("out" "debug"))
 324    (arguments
 325     `(#:parallel-build? #f            ; help2man may be called too early
 326       #:parallel-tests? #f            ; race condition fixed after 8.26
 327       #:phases (alist-cons-before
 328                 'build 'patch-shell-references
 329                 (lambda* (#:key inputs #:allow-other-keys)
 330                   (let ((bash (assoc-ref inputs "bash")))
 331                     ;; 'split' uses either $SHELL or /bin/sh.  Set $SHELL so
 332                     ;; that tests pass, since /bin/sh isn't in the chroot.
 333                     (setenv "SHELL" (which "sh"))
 334
 335                     (substitute* (find-files "gnulib-tests" "\\.c$")
 336                       (("/bin/sh")
 337                        (format #f "~a/bin/sh" bash)))
 338                     (substitute* (find-files "tests" "\\.sh$")
 339                       (("#!/bin/sh")
 340                        (format #f "#!~a/bin/sh" bash)))))
 341
 342                 ,@(if (string-prefix? "arm" (or (%current-target-system)
 343                                                 (%current-system)))
 344                       '((alist-cons-before
 345                          'build 'patch-cut-test
 346                          (lambda* (#:key inputs native-inputs
 347                                    #:allow-other-keys)
 348                            (let ((patch (or (assoc-ref inputs
 349                                                        "cut-test.patch")
 350                                             (assoc-ref native-inputs
 351                                                        "cut-test.patch"))))
 352                              (zero?
 353                               (system* "patch" "-p1" "--force"
 354                                        "--input" patch))))
 355                          %standard-phases))
 356                       '(%standard-phases)))))
 357    (synopsis "Core GNU utilities (file, text, shell)")
 358    (description
 359     "GNU Coreutils includes all of the basic command-line tools that are
 360 expected in a POSIX system.  These provide the basic file, shell and text
 361 manipulation functions of the GNU system.  Most of these tools offer extended
 362 functionality beyond that which is outlined in the POSIX standard.")
 363    (license gpl3+)
 364    (home-page "https://www.gnu.org/software/coreutils/")))
 365
 366 (define-public coreutils-minimal
 367   ;; Coreutils without its optional dependencies.
 368   (package
 369     (inherit coreutils)
 370     (name "coreutils-minimal")
 371     (outputs '("out"))
 372     (inputs '())))
 373
 374 (define-public gnu-make
 375   (package
 376    (name "make")
 377    (version "4.2.1")
 378    (source (origin
 379             (method url-fetch)
 380             (uri (string-append "mirror://gnu/make/make-" version
 381                                 ".tar.bz2"))
 382             (sha256
 383              (base32
 384               "12f5zzyq2w56g95nni65hc0g5p7154033y2f3qmjvd016szn5qnn"))
 385             (patches (search-patches "make-impure-dirs.patch"))))
 386    (build-system gnu-build-system)
 387    (native-inputs `(("pkg-config" ,pkg-config)))  ; to detect Guile
 388    (inputs `(("guile" ,guile-2.0)))
 389    (outputs '("out" "debug"))
 390    (arguments
 391     '(#:phases
 392       (modify-phases %standard-phases
 393         (add-before 'build 'set-default-shell
 394           (lambda* (#:key inputs #:allow-other-keys)
 395             ;; Change the default shell from /bin/sh.
 396             (let ((bash (assoc-ref inputs "bash")))
 397               (substitute* "job.c"
 398                 (("default_shell =.*$")
 399                  (format #f "default_shell = \"~a/bin/sh\";\n"
 400                          bash)))))))))
 401    (synopsis "Remake files automatically")
 402    (description
 403     "Make is a program that is used to control the production of
 404 executables or other files from their source files.  The process is
 405 controlled from a Makefile, in which the developer specifies how each file is
 406 generated from its source.  It has powerful dependency resolution and the
 407 ability to determine when files have to be regenerated after their sources
 408 change.  GNU make offers many powerful extensions over the standard utility.")
 409    (license gpl3+)
 410    (home-page "https://www.gnu.org/software/make/")))
 411
 412 (define-public binutils
 413   (package
 414    (name "binutils")
 415    (version "2.27")
 416    (source (origin
 417             (method url-fetch)
 418             (uri (string-append "mirror://gnu/binutils/binutils-"
 419                                 version ".tar.bz2"))
 420             (sha256
 421              (base32
 422               "125clslv17xh1sab74343fg6v31msavpmaa1c1394zsqa773g5rn"))
 423             (patches (search-patches "binutils-ld-new-dtags.patch"
 424                                      "binutils-loongson-workaround.patch"
 425                                      "binutils-mips-bash-bug.patch"))))
 426    (build-system gnu-build-system)
 427
 428    ;; TODO: Add dependency on zlib + those for Gold.
 429    (arguments
 430     `(#:configure-flags '(;; Add `-static-libgcc' to not retain a dependency
 431                           ;; on GCC when bootstrapping.
 432                           "LDFLAGS=-static-libgcc"
 433
 434                           ;; Don't search under /usr/lib & co.
 435                           "--with-lib-path=/no-ld-lib-path"
 436
 437                           ;; Glibc 2.17 has a "comparison of unsigned
 438                           ;; expression >= 0 is always true" in wchar.h.
 439                           "--disable-werror"
 440
 441                           ;; Install BFD.  It ends up in a hidden directory,
 442                           ;; but it's here.
 443                           "--enable-install-libbfd"
 444
 445                           ;; Make sure 'ar' and 'ranlib' produce archives in a
 446                           ;; deterministic fashion.
 447                           "--enable-deterministic-archives")))
 448
 449    (synopsis "Binary utilities: bfd gas gprof ld")
 450    (description
 451     "GNU Binutils is a collection of tools for working with binary files.
 452 Perhaps the most notable are \"ld\", a linker, and \"as\", an assembler.
 453 Other tools include programs to display binary profiling information, list
 454 the strings in a binary file, and utilities for working with archives.  The
 455 \"bfd\" library for working with executable and object formats is also
 456 included.")
 457    (license gpl3+)
 458    (home-page "https://www.gnu.org/software/binutils/")))
 459
 460 (define* (make-ld-wrapper name #:key
 461                           (target (const #f))
 462                           binutils
 463                           (guile (canonical-package guile-2.0))
 464                           (bash (canonical-package bash))
 465                           (guile-for-build guile))
 466   "Return a package called NAME that contains a wrapper for the 'ld' program
 467 of BINUTILS, which adds '-rpath' flags to the actual 'ld' command line.  The
 468 wrapper uses GUILE and BASH.
 469
 470 TARGET must be a one-argument procedure that, given a system type, returns a
 471 cross-compilation target triplet or #f.  When the result is not #f, make a
 472 wrapper for the cross-linker for that target, called 'TARGET-ld'."
 473   ;; Note: #:system->target-triplet is a procedure so that the evaluation of
 474   ;; its result can be delayed until the 'arguments' field is evaluated, thus
 475   ;; in a context where '%current-system' is accurate.
 476   (package
 477     (name name)
 478     (version "0")
 479     (source #f)
 480     (build-system trivial-build-system)
 481     (inputs `(("binutils" ,binutils)
 482               ("guile"    ,guile)
 483               ("bash"     ,bash)
 484               ("wrapper"  ,(search-path %load-path
 485                                         "gnu/packages/ld-wrapper.in"))))
 486     (arguments
 487      (let ((target (target (%current-system))))
 488        `(#:guile ,guile-for-build
 489          #:modules ((guix build utils))
 490          #:builder (begin
 491                      (use-modules (guix build utils)
 492                                   (system base compile))
 493
 494                      (let* ((out (assoc-ref %outputs "out"))
 495                             (bin (string-append out "/bin"))
 496                             (ld  ,(if target
 497                                       `(string-append bin "/" ,target "-ld")
 498                                       '(string-append bin "/ld")))
 499                             (go  (string-append ld ".go")))
 500
 501                        (setvbuf (current-output-port) _IOLBF)
 502                        (format #t "building ~s/bin/ld wrapper in ~s~%"
 503                                (assoc-ref %build-inputs "binutils")
 504                                out)
 505
 506                        (mkdir-p bin)
 507                        (copy-file (assoc-ref %build-inputs "wrapper") ld)
 508                        (substitute* ld
 509                          (("@SELF@")
 510                           ld)
 511                          (("@GUILE@")
 512                           (string-append (assoc-ref %build-inputs "guile")
 513                                          "/bin/guile"))
 514                          (("@BASH@")
 515                           (string-append (assoc-ref %build-inputs "bash")
 516                                          "/bin/bash"))
 517                          (("@LD@")
 518                           (string-append (assoc-ref %build-inputs "binutils")
 519                                          ,(if target
 520                                               (string-append "/bin/"
 521                                                              target "-ld")
 522                                               "/bin/ld"))))
 523                        (chmod ld #o555)
 524                        (compile-file ld #:output-file go))))))
 525     (synopsis "The linker wrapper")
 526     (description
 527      "The linker wrapper (or 'ld-wrapper') wraps the linker to add any
 528 missing '-rpath' flags, and to detect any misuse of libraries outside of the
 529 store.")
 530     (home-page "https://www.gnu.org/software/guix//")
 531     (license gpl3+)))
 532
 533 (export make-ld-wrapper)
 534
 535 (define-public glibc/linux
 536   (package
 537    (name "glibc")
 538    (version "2.25")
 539    (source (origin
 540             (method url-fetch)
 541             (uri (string-append "mirror://gnu/glibc/glibc-"
 542                                 version ".tar.xz"))
 543             (sha256
 544              (base32
 545               "1813dzkgw6v8q8q1m4v96yfis7vjqc9pslqib6j9mrwh6fxxjyq6"))
 546             (snippet
 547              ;; Disable 'ldconfig' and /etc/ld.so.cache.  The latter is
 548              ;; required on LFS distros to avoid loading the distro's libc.so
 549              ;; instead of ours.
 550              '(substitute* "sysdeps/unix/sysv/linux/configure"
 551                 (("use_ldconfig=yes")
 552                  "use_ldconfig=no")))
 553             (modules '((guix build utils)))
 554             (patches (search-patches "glibc-ldd-x86_64.patch"
 555                                      "glibc-versioned-locpath.patch"
 556                                      "glibc-o-largefile.patch"))))
 557    (build-system gnu-build-system)
 558
 559    ;; Glibc's <limits.h> refers to <linux/limit.h>, for instance, so glibc
 560    ;; users should automatically pull Linux headers as well.
 561    (propagated-inputs `(("kernel-headers" ,linux-libre-headers)))
 562
 563    (outputs '("out" "debug"))
 564
 565    (arguments
 566     `(#:out-of-source? #t
 567
 568       ;; In version 2.21, there a race in the 'elf' directory, see
 569       ;; <http://lists.gnu.org/archive/html/guix-devel/2015-02/msg00709.html>.
 570       #:parallel-build? #f
 571
 572       ;; The libraries have an empty RUNPATH, but some, such as the versioned
 573       ;; libraries (libdl-2.24.so, etc.) have ld.so marked as NEEDED.  Since
 574       ;; these libraries are always going to be found anyway, just skip
 575       ;; RUNPATH checks.
 576       #:validate-runpath? #f
 577
 578       #:configure-flags
 579       (list "--enable-add-ons"
 580             "--sysconfdir=/etc"
 581
 582             ;; Installing a locale archive with all the locales is to
 583             ;; expensive (~100 MiB), so we rely on users to install the
 584             ;; locales they really want.
 585             ;;
 586             ;; Set the default locale path.  In practice, $LOCPATH may be
 587             ;; defined to point whatever locales users want.  However, setuid
 588             ;; binaries don't honor $LOCPATH, so they'll instead look into
 589             ;; $libc_cv_complocaledir; we choose /run/current-system/locale/X.Y,
 590             ;; with the idea that it is going to be populated by the sysadmin.
 591             ;; The "X.Y" sub-directory is because locale data formats are
 592             ;; incompatible across libc versions; see
 593             ;; <https://lists.gnu.org/archive/html/guix-devel/2015-08/msg00737.html>.
 594             ;;
 595             ;; `--localedir' is not honored, so work around it.
 596             ;; See <http://sourceware.org/ml/libc-alpha/2013-03/msg00093.html>.
 597             (string-append "libc_cv_complocaledir=/run/current-system/locale/"
 598                            ,version)
 599
 600             (string-append "--with-headers="
 601                            (assoc-ref ,(if (%current-target-system)
 602                                            '%build-target-inputs
 603                                            '%build-inputs)
 604                                       "kernel-headers")
 605                            "/include")
 606
 607             ;; This is the default for most architectures as of GNU libc 2.21,
 608             ;; but we specify it explicitly for clarity and consistency.  See
 609             ;; "kernel-features.h" in the GNU libc for details.
 610             "--enable-kernel=2.6.32"
 611
 612             ;; Use our Bash instead of /bin/sh.
 613             (string-append "BASH_SHELL="
 614                            (assoc-ref %build-inputs "bash")
 615                            "/bin/bash")
 616
 617             ;; XXX: Work around "undefined reference to `__stack_chk_guard'".
 618             "libc_cv_ssp=no" "libc_cv_ssp_strong=no")
 619
 620       #:tests? #f                                 ; XXX
 621       #:phases (modify-phases %standard-phases
 622                  (add-before
 623                   'configure 'pre-configure
 624                   (lambda* (#:key inputs native-inputs outputs
 625                                   #:allow-other-keys)
 626                     (let* ((out  (assoc-ref outputs "out"))
 627                            (bin  (string-append out "/bin"))
 628                            ;; FIXME: Normally we would look it up only in INPUTS
 629                            ;; but cross-base uses it as a native input.
 630                            (bash (or (assoc-ref inputs "static-bash")
 631                                      (assoc-ref native-inputs "static-bash"))))
 632                       ;; Install the rpc data base file under `$out/etc/rpc'.
 633                       ;; FIXME: Use installFlags = [ "sysconfdir=$(out)/etc" ];
 634                       (substitute* "sunrpc/Makefile"
 635                         (("^\\$\\(inst_sysconfdir\\)/rpc(.*)$" _ suffix)
 636                          (string-append out "/etc/rpc" suffix "\n"))
 637                         (("^install-others =.*$")
 638                          (string-append "install-others = " out "/etc/rpc\n")))
 639
 640                       (substitute* "Makeconfig"
 641                         ;; According to
 642                         ;; <http://www.linuxfromscratch.org/lfs/view/stable/chapter05/glibc.html>,
 643                         ;; linking against libgcc_s is not needed with GCC
 644                         ;; 4.7.1.
 645                         ((" -lgcc_s") ""))
 646
 647                       ;; Have `system' use that Bash.
 648                       (substitute* "sysdeps/posix/system.c"
 649                         (("#define[[:blank:]]+SHELL_PATH.*$")
 650                          (format #f "#define SHELL_PATH \"~a/bin/bash\"\n"
 651                                  bash)))
 652
 653                       ;; Same for `popen'.
 654                       (substitute* "libio/iopopen.c"
 655                         (("/bin/sh")
 656                          (string-append bash "/bin/sh")))
 657
 658                       ;; Same for the shell used by the 'exec' functions for
 659                       ;; scripts that lack a shebang.
 660                       (substitute* (find-files "." "^paths\\.h$")
 661                         (("#define[[:blank:]]+_PATH_BSHELL[[:blank:]].*$")
 662                          (string-append "#define _PATH_BSHELL \""
 663                                         bash "/bin/sh\"\n")))
 664
 665                       ;; Nscd uses __DATE__ and __TIME__ to create a string to
 666                       ;; make sure the client and server come from the same
 667                       ;; libc.  Use something deterministic instead.
 668                       (substitute* "nscd/nscd_stat.c"
 669                         (("static const char compilation\\[21\\] =.*$")
 670                          (string-append
 671                           "static const char compilation[21] = \""
 672                           (string-take (basename out) 20) "\";\n")))
 673
 674                       ;; Make sure we don't retain a reference to the
 675                       ;; bootstrap Perl.
 676                       (substitute* "malloc/mtrace.pl"
 677                         (("^#!.*")
 678                          ;; The shebang can be omitted, because there's the
 679                          ;; "bilingual" eval/exec magic at the top of the file.
 680                          "")
 681                         (("exec @PERL@")
 682                          "exec perl"))))))))
 683
 684    (inputs `(("static-bash" ,static-bash)))
 685
 686    ;; To build the manual, we need Texinfo and Perl.  Gettext is needed to
 687    ;; install the message catalogs, with 'msgfmt'.
 688    (native-inputs `(("texinfo" ,texinfo)
 689                     ("perl" ,perl)
 690                     ("gettext" ,gettext-minimal)))
 691
 692    (native-search-paths
 693     ;; Search path for packages that provide locale data.  This is useful
 694     ;; primarily in build environments.  Use 'GUIX_LOCPATH' rather than
 695     ;; 'LOCPATH' to avoid interference with the host system's libc on foreign
 696     ;; distros.
 697     (list (search-path-specification
 698            (variable "GUIX_LOCPATH")
 699            (files '("lib/locale")))))
 700
 701    (synopsis "The GNU C Library")
 702    (description
 703     "Any Unix-like operating system needs a C library: the library which
 704 defines the \"system calls\" and other basic facilities such as open, malloc,
 705 printf, exit...
 706
 707 The GNU C library is used as the C library in the GNU system and most systems
 708 with the Linux kernel.")
 709    (license lgpl2.0+)
 710    (home-page "https://www.gnu.org/software/libc/")))
 711
 712 (define-public glibc/hurd
 713   ;; The Hurd's libc variant.
 714   (package (inherit glibc/linux)
 715     (name "glibc-hurd")
 716     (version "2.23")
 717     (source (origin
 718               (method url-fetch)
 719               (uri (string-append "http://alpha.gnu.org/gnu/hurd/glibc-"
 720                                   version "-hurd+libpthread-20161218" ".tar.gz"))
 721               (sha256
 722                (base32
 723                 "0vpdv05j6j3ria5bw8gp468i64gij94cslxkxj9xkfgi6p615b8p"))))
 724
 725     ;; Libc provides <hurd.h>, which includes a bunch of Hurd and Mach headers,
 726     ;; so both should be propagated.
 727     (propagated-inputs `(("hurd-core-headers" ,hurd-core-headers)))
 728     (native-inputs
 729      `(,@(package-native-inputs glibc/linux)
 730        ("mig" ,mig)
 731        ("perl" ,perl)))
 732
 733     (arguments
 734      (substitute-keyword-arguments (package-arguments glibc/linux)
 735        ((#:phases original-phases)
 736         ;; Add libmachuser.so and libhurduser.so to libc.so's search path.
 737         ;; See <http://lists.gnu.org/archive/html/bug-hurd/2015-07/msg00051.html>.
 738         `(alist-cons-after
 739           'install 'augment-libc.so
 740           (lambda* (#:key outputs #:allow-other-keys)
 741             (let* ((out (assoc-ref outputs "out")))
 742               (substitute* (string-append out "/lib/libc.so")
 743                 (("/[^ ]+/lib/libc.so.0.3")
 744                  (string-append out "/lib/libc.so.0.3" " libmachuser.so" " libhurduser.so"))))
 745             #t)
 746           (alist-cons-after
 747            'pre-configure 'pre-configure-set-pwd
 748            (lambda _
 749              ;; Use the right 'pwd'.
 750              (substitute* "configure"
 751                (("/bin/pwd") "pwd")))
 752            (alist-replace
 753             'build
 754             (lambda _
 755               ;; Force mach/hurd/libpthread subdirs to build first in order to avoid
 756               ;; linking errors.
 757               ;; See <https://lists.gnu.org/archive/html/bug-hurd/2016-11/msg00045.html>
 758               (let ((-j (list "-j" (number->string (parallel-job-count)))))
 759                 (let-syntax ((make (syntax-rules ()
 760                                      ((_ target)
 761                                       (zero? (apply system* "make" target -j))))))
 762                   (and (make "mach/subdir_lib")
 763                        (make "hurd/subdir_lib")
 764                        (make "libpthread/subdir_lib")
 765                        (zero? (apply system* "make" -j))))))
 766             ,original-phases))))
 767         ((#:configure-flags original-configure-flags)
 768         `(append (list "--host=i586-pc-gnu"
 769
 770                        ;; We need this to get a working openpty() function.
 771                        "--enable-pt_chown"
 772
 773                        ;; <https://lists.gnu.org/archive/html/bug-hurd/2016-10/msg00033.html>
 774                        "--disable-werror"
 775
 776                        ;; nscd fails to build for GNU/Hurd:
 777                        ;; <https://lists.gnu.org/archive/html/bug-hurd/2014-07/msg00006.html>.
 778                        ;; Disable it.
 779                        "--disable-nscd")
 780                  (filter (lambda (flag)
 781                            (not (string-prefix? "--enable-kernel=" flag)))
 782                          ,original-configure-flags)))))
 783     (synopsis "The GNU C Library (GNU Hurd variant)")
 784     (supported-systems %hurd-systems)))
 785
 786 (define* (glibc-for-target #:optional
 787                            (target (or (%current-target-system)
 788                                        (%current-system))))
 789   "Return the glibc for TARGET, GLIBC/LINUX for a Linux host or
 790 GLIBC/HURD for a Hurd host"
 791   (match target
 792     ((or "i586-pc-gnu" "i586-gnu") glibc/hurd)
 793     (_ glibc/linux)))
 794
 795 (define-syntax glibc
 796   (identifier-syntax (glibc-for-target)))
 797
 798 ;; Below are old libc versions, which we use mostly to build locale data in
 799 ;; the old format (which the new libc cannot cope with.)
 800
 801 (define-public glibc-2.24
 802   (package
 803     (inherit glibc)
 804     (version "2.24")
 805     (source (origin
 806               (inherit (package-source glibc))
 807               (uri (string-append "mirror://gnu/glibc/glibc-"
 808                                   version ".tar.xz"))
 809               (sha256
 810                (base32
 811                 "1lxmprg9gm73gvafxd503x70z32phwjzcy74i0adfi6ixzla7m4r"))))))
 812
 813 (define-public glibc-2.23
 814   (package
 815     (inherit glibc)
 816     (version "2.23")
 817     (source (origin
 818               (inherit (package-source glibc))
 819               (uri (string-append "mirror://gnu/glibc/glibc-"
 820                                   version ".tar.xz"))
 821               (sha256
 822                (base32
 823                 "1s8krs3y2n6pzav7ic59dz41alqalphv7vww4138ag30wh0fpvwl"))))))
 824
 825 (define-public glibc-2.22
 826   (package
 827     (inherit glibc)
 828     (version "2.22")
 829     (source (origin
 830               (inherit (package-source glibc))
 831               (uri (string-append "mirror://gnu/glibc/glibc-"
 832                                   version ".tar.xz"))
 833               (sha256
 834                (base32
 835                 "0j49682pm2nh4qbdw35bas82p1pgfnz4d2l7iwfyzvrvj0318wzb"))
 836               (patches (search-patches "glibc-ldd-x86_64.patch"))))
 837     (arguments
 838       (substitute-keyword-arguments (package-arguments glibc)
 839         ((#:phases phases)
 840          `(modify-phases ,phases
 841             (add-before 'configure 'fix-pwd
 842               (lambda _
 843                 ;; Use `pwd' instead of `/bin/pwd' for glibc-2.21
 844                 (substitute* "configure"
 845                   (("/bin/pwd") "pwd"))))))))))
 846
 847 (define-public glibc-2.21
 848   (package
 849     (inherit glibc-2.22)
 850     (version "2.21")
 851     (source (origin
 852               (inherit (package-source glibc))
 853               (uri (string-append "mirror://gnu/glibc/glibc-"
 854                                   version ".tar.xz"))
 855               (sha256
 856                (base32
 857                 "1f135546j34s9bfkydmx2nhh9vwxlx60jldi80zmsnln6wj3dsxf"))
 858               (patches (search-patches "glibc-ldd-x86_64.patch"))))))
 859
 860 (define-public glibc-locales
 861   (package
 862     (inherit glibc)
 863     (name "glibc-locales")
 864     (source (origin (inherit (package-source glibc))
 865                     (patches (cons (search-patch "glibc-locales.patch")
 866                                    (origin-patches (package-source glibc))))))
 867     (synopsis "All the locales supported by the GNU C Library")
 868     (description
 869      "This package provides all the locales supported by the GNU C Library,
 870 more than 400 in total.  To use them set the 'LOCPATH' environment variable to
 871 the 'share/locale' sub-directory of this package.")
 872     (outputs '("out"))                            ;110+ MiB
 873     (native-search-paths '())
 874     (arguments
 875      (let ((args `(#:tests? #f #:strip-binaries? #f
 876                    ,@(package-arguments glibc))))
 877        (substitute-keyword-arguments args
 878          ((#:phases phases)
 879           `(alist-replace
 880             'build
 881             (lambda* (#:key outputs #:allow-other-keys)
 882               (zero? (system* "make" "localedata/install-locales"
 883                               "-j" (number->string (parallel-job-count)))))
 884             (alist-delete 'install ,phases)))
 885          ((#:configure-flags flags)
 886           `(append ,flags
 887                    ;; Use $(libdir)/locale/X.Y as is the case by default.
 888                    (list (string-append "libc_cv_complocaledir="
 889                                         (assoc-ref %outputs "out")
 890                                         "/lib/locale/"
 891                                         ,(package-version glibc))))))))))
 892
 893 (define-public glibc-utf8-locales
 894   (package
 895     (name "glibc-utf8-locales")
 896     (version (package-version glibc))
 897     (source #f)
 898     (build-system trivial-build-system)
 899     (arguments
 900      `(#:modules ((guix build utils))
 901        #:builder (begin
 902                    (use-modules (srfi srfi-1)
 903                                 (guix build utils))
 904
 905                    (let* ((libc      (assoc-ref %build-inputs "glibc"))
 906                           (gzip      (assoc-ref %build-inputs "gzip"))
 907                           (out       (assoc-ref %outputs "out"))
 908                           (localedir (string-append out "/lib/locale/"
 909                                                     ,version)))
 910                      ;; 'localedef' needs 'gzip'.
 911                      (setenv "PATH" (string-append libc "/bin:" gzip "/bin"))
 912
 913                      (mkdir-p localedir)
 914                      (every (lambda (locale)
 915                               (define file
 916                                 ;; Use the "normalized codeset" by
 917                                 ;; default--e.g., "en_US.utf8".
 918                                 (string-append localedir "/" locale ".utf8"))
 919
 920                               (and (zero? (system* "localedef" "--no-archive"
 921                                                    "--prefix" localedir
 922                                                    "-i" locale
 923                                                    "-f" "UTF-8" file))
 924                                    (begin
 925                                      ;; For backward compatibility with Guix
 926                                      ;; <= 0.8.3, add "xx_YY.UTF-8".
 927                                      (symlink (string-append locale ".utf8")
 928                                               (string-append localedir "/"
 929                                                              locale ".UTF-8"))
 930                                      #t)))
 931
 932                             ;; These are the locales commonly used for
 933                             ;; tests---e.g., in Guile's i18n tests.
 934                             '("de_DE" "el_GR" "en_US" "fr_FR" "tr_TR"))))))
 935     (inputs `(("glibc" ,glibc)
 936               ("gzip" ,gzip)))
 937     (synopsis "Small sample of UTF-8 locales")
 938     (description
 939      "This package provides a small sample of UTF-8 locales mostly useful in
 940 test environments.")
 941     (home-page (package-home-page glibc))
 942     (license (package-license glibc))))
 943
 944 (define-public which
 945   (package
 946     (name "which")
 947     (version "2.21")
 948     (source (origin
 949               (method url-fetch)
 950               (uri (string-append "mirror://gnu/which/which-"
 951                                   version ".tar.gz"))
 952               (sha256
 953                (base32
 954                 "1bgafvy3ypbhhfznwjv1lxmd6mci3x1byilnnkc7gcr486wlb8pl"))))
 955     (build-system gnu-build-system)
 956     (home-page "https://gnu.org/software/which/")
 957     (synopsis "Find full path of shell commands")
 958     (description
 959      "The which program finds the location of executables in PATH, with a
 960 variety of options.  It is an alternative to the shell \"type\" built-in
 961 command.")
 962     (license gpl3+))) ; some files are under GPLv2+
 963
 964 (define-public glibc/hurd-headers
 965   (package (inherit glibc/hurd)
 966     (name "glibc-hurd-headers")
 967     (outputs '("out"))
 968     (propagated-inputs `(("gnumach-headers" ,gnumach-headers)
 969                          ("hurd-headers" ,hurd-headers)))
 970     (arguments
 971      (substitute-keyword-arguments (package-arguments glibc/hurd)
 972        ;; We just pass the flags really needed to build the headers.
 973        ((#:configure-flags _)
 974         `(list "--enable-add-ons"
 975                "--host=i586-pc-gnu"
 976                "--enable-obsolete-rpc"))
 977        ((#:phases _)
 978         '(alist-replace
 979           'install
 980           (lambda* (#:key outputs #:allow-other-keys)
 981             (and (zero? (system* "make" "install-headers"))
 982
 983                  ;; Make an empty stubs.h to work around not being able to
 984                  ;; produce a valid stubs.h and causing the build to fail. See
 985                  ;; <http://lists.gnu.org/archive/html/guix-devel/2014-04/msg00233.html>.
 986                  (let ((out (assoc-ref outputs "out")))
 987                    (close-port
 988                     (open-output-file
 989                      (string-append out "/include/gnu/stubs.h"))))))
 990
 991           ;; Nothing to build.
 992           (alist-delete
 993            'build
 994
 995            (alist-cons-before
 996             'configure 'pre-configure
 997             (lambda _
 998               ;; Use the right 'pwd'.
 999               (substitute* "configure"
1000                 (("/bin/pwd") "pwd")))
1001             %standard-phases))))))))
1002
1003 (define-public tzdata
1004   (package
1005     (name "tzdata")
1006     (version "2017a")
1007     (source (origin
1008              (method url-fetch)
1009              (uri (string-append
1010                    "https://www.iana.org/time-zones/repository/releases/tzdata"
1011                    version ".tar.gz"))
1012              (sha256
1013               (base32
1014                "1mmv4rvcs12lrvgghw4fidczvb69yv69cmzknghcvw1c196mqfnz"))))
1015     (build-system gnu-build-system)
1016     (arguments
1017      '(#:tests? #f
1018        #:make-flags (let ((out (assoc-ref %outputs "out"))
1019                           (tmp (getenv "TMPDIR")))
1020                       (list (string-append "TOPDIR=" out)
1021                             (string-append "TZDIR=" out "/share/zoneinfo")
1022
1023                             ;; Discard zic, dump, and tzselect, already
1024                             ;; provided by glibc.
1025                             (string-append "ETCDIR=" tmp "/etc")
1026
1027                             ;; Likewise for the C library routines.
1028                             (string-append "LIBDIR=" tmp "/lib")
1029                             (string-append "MANDIR=" tmp "/man")
1030
1031                             "AWK=awk"
1032                             "CC=gcc"))
1033        #:modules ((guix build utils)
1034                   (guix build gnu-build-system)
1035                   (srfi srfi-1))
1036        #:phases
1037        (modify-phases %standard-phases
1038          (replace 'unpack
1039            (lambda* (#:key source inputs #:allow-other-keys)
1040              (and (zero? (system* "tar" "xvf" source))
1041                   (zero? (system* "tar" "xvf" (assoc-ref inputs "tzcode"))))))
1042          (add-after 'install 'post-install
1043            (lambda* (#:key outputs #:allow-other-keys)
1044              ;; Move data in the right place.
1045              (let ((out (assoc-ref outputs "out")))
1046                (symlink (string-append out "/share/zoneinfo")
1047                         (string-append out "/share/zoneinfo/posix"))
1048                (delete-file-recursively
1049                 (string-append out "/share/zoneinfo-posix"))
1050                (copy-recursively (string-append out "/share/zoneinfo-leaps")
1051                                  (string-append out "/share/zoneinfo/right"))
1052                (delete-file-recursively
1053                 (string-append out "/share/zoneinfo-leaps")))))
1054          (delete 'configure))))
1055     (inputs `(("tzcode" ,(origin
1056                           (method url-fetch)
1057                           (uri (string-append
1058                                 "http://www.iana.org/time-zones/repository/releases/tzcode"
1059                                 version ".tar.gz"))
1060                           (sha256
1061                            (base32
1062                             "1b1q7gnlsh5hjgs5065pvajd37rmbc3k9b8cgzad1vcrifswdwh2"))))))
1063     (home-page "https://www.iana.org/time-zones")
1064     (synopsis "Database of current and historical time zones")
1065     (description "The Time Zone Database (often called tz or zoneinfo)
1066 contains code and data that represent the history of local time for many
1067 representative locations around the globe.  It is updated periodically to
1068 reflect changes made by political bodies to time zone boundaries, UTC offsets,
1069 and daylight-saving rules.")
1070     (license public-domain)))
1071
1072 ;;; A "fixed" version of tzdata, which is used in the test suites of
1073 ;;; glib and R. We can update this whenever we are able to rebuild
1074 ;;; thousands of packages (for example, in a core-updates rebuild).
1075 (define-public tzdata-2017a
1076   (package
1077     (inherit tzdata)
1078     (version "2017a")
1079     (source
1080       (origin
1081         (method url-fetch)
1082         (uri (string-append "https://www.iana.org/time-zones/repository"
1083                             "/releases/tzdata" version ".tar.gz"))
1084         (sha256
1085          (base32
1086           "1mmv4rvcs12lrvgghw4fidczvb69yv69cmzknghcvw1c196mqfnz"))))
1087     (inputs `(("tzcode" ,(origin
1088                           (method url-fetch)
1089                           (uri (string-append
1090                                 "http://www.iana.org/time-zones/repository/releases/tzcode"
1091                                 version ".tar.gz"))
1092                           (sha256
1093                            (base32
1094                             "1b1q7gnlsh5hjgs5065pvajd37rmbc3k9b8cgzad1vcrifswdwh2"))))))))
1095
1096
1097 (define-public libiconv
1098   (package
1099     (name "libiconv")
1100     (version "1.14")
1101     (source (origin
1102               (method url-fetch)
1103               (uri (string-append "mirror://gnu/libiconv/libiconv-"
1104                                   version ".tar.gz"))
1105               (sha256
1106                (base32
1107                 "04q6lgl3kglmmhw59igq1n7v3rp1rpkypl366cy1k1yn2znlvckj"))
1108               (modules '((guix build utils)))
1109               (snippet
1110                ;; Work around "declared gets" error on glibc systems (fixed by
1111                ;; Gnulib commit 66712c23388e93e5c518ebc8515140fa0c807348.)
1112                '(substitute* "srclib/stdio.in.h"
1113                   (("^#undef gets") "")
1114                   (("^_GL_WARN_ON_USE \\(gets.*") "")))))
1115     (build-system gnu-build-system)
1116     (synopsis "Character set conversion library")
1117     (description
1118      "libiconv provides an implementation of the iconv function for systems
1119 that lack it.  iconv is used to convert between character encodings in a
1120 program.  It supports a wide variety of different encodings.")
1121     (home-page "https://www.gnu.org/software/libiconv/")
1122     (license lgpl3+)))
1123
1124 (define* (libiconv-if-needed #:optional (target (%current-target-system)))
1125   "Return either a libiconv package specification to include in a dependency
1126 list for platforms that have an incomplete libc, or the empty list.  If a
1127 package needs iconv ,@(libiconv-if-needed) should be added."
1128   ;; POSIX C libraries provide iconv.  Platforms with an incomplete libc
1129   ;; without iconv, such as MinGW, must return the then clause.
1130   (if (target-mingw? target)
1131       `(("libiconv" ,libiconv))
1132       '()))
1133
1134 (define-public (canonical-package package)
1135   ;; Avoid circular dependency by lazily resolving 'commencement'.
1136   (let* ((iface (resolve-interface '(gnu packages commencement)))
1137          (proc  (module-ref iface 'canonical-package)))
1138     (proc package)))
1139
1140 (define-public (%final-inputs)
1141   "Return the list of \"final inputs\"."
1142   ;; Avoid circular dependency by lazily resolving 'commencement'.
1143   (let ((iface (resolve-interface '(gnu packages commencement))))
1144     (module-ref iface '%final-inputs)))
1145
1146 ;;; base.scm ends here