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, 2017 Efraim Flashner <efraim@flashner.co.il>
   9 ;;; Copyright © 2016 Jan Nieuwenhuizen <janneke@gnu.org>
  10 ;;; Copyright © 2017 Rene Saavedra <rennes@openmailbox.org>
  11 ;;; Copyright © 2017 Mathieu Othacehe <m.othacehe@gmail.com>
  12 ;;; Copyright © 2017 Marius Bakke <mbakke@fastmail.com>
  13 ;;;
  14 ;;; This file is part of GNU Guix.
  15 ;;;
  16 ;;; GNU Guix is free software; you can redistribute it and/or modify it
  17 ;;; under the terms of the GNU General Public License as published by
  18 ;;; the Free Software Foundation; either version 3 of the License, or (at
  19 ;;; your option) any later version.
  20 ;;;
  21 ;;; GNU Guix is distributed in the hope that it will be useful, but
  22 ;;; WITHOUT ANY WARRANTY; without even the implied warranty of
  23 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  24 ;;; GNU General Public License for more details.
  25 ;;;
  26 ;;; You should have received a copy of the GNU General Public License
  27 ;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
  28
  29 (define-module (gnu packages base)
  30   #:use-module ((guix licenses)
  31                 #:select (gpl3+ lgpl2.0+ lgpl3+ public-domain))
  32   #:use-module (gnu packages)
  33   #:use-module (gnu packages acl)
  34   #:use-module (gnu packages bash)
  35   #:use-module (gnu packages ed)
  36   #:use-module (gnu packages guile)
  37   #:use-module (gnu packages multiprecision)
  38   #:use-module (gnu packages compression)
  39   #:use-module (gnu packages perl)
  40   #:use-module (gnu packages linux)
  41   #:use-module (gnu packages texinfo)
  42   #:use-module (gnu packages hurd)
  43   #:use-module (gnu packages pkg-config)
  44   #:use-module (gnu packages gettext)
  45   #:use-module (guix utils)
  46   #:use-module (guix packages)
  47   #:use-module (guix download)
  48   #:use-module (guix git-download)
  49   #:use-module (guix build-system gnu)
  50   #:use-module (guix build-system trivial)
  51   #:use-module (ice-9 match)
  52   #:export (glibc
  53             libiconv-if-needed))
  54
  55 ;;; Commentary:
  56 ;;;
  57 ;;; Base packages of the Guix-based GNU user-land software distribution.
  58 ;;;
  59 ;;; Code:
  60
  61 (define-public hello
  62   (package
  63     (name "hello")
  64     (version "2.10")
  65     (source (origin
  66               (method url-fetch)
  67               (uri (string-append "mirror://gnu/hello/hello-" version
  68                                   ".tar.gz"))
  69               (sha256
  70                (base32
  71                 "0ssi1wpaf7plaswqqjwigppsg5fyh99vdlb9kzl7c9lng89ndq1i"))))
  72     (build-system gnu-build-system)
  73     (synopsis "Hello, GNU world: An example GNU package")
  74     (description
  75      "GNU Hello prints the message \"Hello, world!\" and then exits.  It
  76 serves as an example of standard GNU coding practices.  As such, it supports
  77 command-line arguments, multiple languages, and so on.")
  78     (home-page "https://www.gnu.org/software/hello/")
  79     (license gpl3+)))
  80
  81 (define-public grep
  82   (package
  83    (name "grep")
  84    (version "3.0")
  85    (source (origin
  86             (method url-fetch)
  87             (uri (string-append "mirror://gnu/grep/grep-"
  88                                 version ".tar.xz"))
  89             (sha256
  90              (base32
  91               "1dcasjp3a578nrvzrcn38mpizb8w1q6mvfzhjmcqqgkf0nsivj72"))
  92             (patches (search-patches "grep-timing-sensitive-test.patch"
  93                                      "grep-gnulib-lock.patch"))))
  94    (build-system gnu-build-system)
  95    (native-inputs `(("perl" ,perl)))             ;some of the tests require it
  96    (arguments
  97     `(#:phases
  98       (modify-phases %standard-phases
  99         (add-after 'install 'fix-egrep-and-fgrep
 100           ;; Patch 'egrep' and 'fgrep' to execute 'grep' via its
 101           ;; absolute file name instead of searching for it in $PATH.
 102           (lambda* (#:key outputs #:allow-other-keys)
 103             (let* ((out (assoc-ref outputs "out"))
 104                    (bin (string-append out "/bin")))
 105               (substitute* (list (string-append bin "/egrep")
 106                                  (string-append bin "/fgrep"))
 107                 (("^exec grep")
 108                  (string-append "exec " bin "/grep")))
 109               #t))))))
 110    (synopsis "Print lines matching a pattern")
 111    (description
 112      "grep is a tool for finding text inside files.  Text is found by
 113 matching a pattern provided by the user in one or many files.  The pattern
 114 may be provided as a basic or extended regular expression, or as fixed
 115 strings.  By default, the matching text is simply printed to the screen,
 116 however the output can be greatly customized to include, for example, line
 117 numbers.  GNU grep offers many extensions over the standard utility,
 118 including, for example, recursive directory searching.")
 119    (license gpl3+)
 120    (home-page "https://www.gnu.org/software/grep/")))
 121
 122 (define-public sed
 123   (package
 124    (name "sed")
 125    (version "4.4")
 126    (source (origin
 127             (method url-fetch)
 128             (uri (string-append "mirror://gnu/sed/sed-" version
 129                                 ".tar.xz"))
 130             (sha256
 131              (base32
 132               "0fv88bcnraixc8jvpacvxshi30p5x9m7yb8ns1hfv07hmb2ypmnb"))))
 133    (build-system gnu-build-system)
 134    (synopsis "Stream editor")
 135    (arguments
 136     `(#:phases
 137       (modify-phases %standard-phases
 138         (add-after 'unpack 'dont-rebuild-sed.1
 139           (lambda _
 140             ;; Make sure we do not attempt to rebuild 'doc/sed.1', which does
 141             ;; not work when cross-compiling because we cannot run 'sed'.
 142             ;; This is fixed upstream as commit a0a25e3.
 143             (substitute* "Makefile.in"
 144               (("^doc/sed\\.1:.*")
 145                "doc/sed.1:\n"))
 146             #t))
 147         (add-before 'patch-source-shebangs 'patch-test-suite
 148           (lambda* (#:key inputs #:allow-other-keys)
 149             (patch-makefile-SHELL "testsuite/Makefile.tests")
 150             (substitute* '("testsuite/bsd.sh"
 151                            "testsuite/bug-regex9.c")
 152               (("/bin/sh")
 153                (which "sh")))
 154             #t)))))
 155    (description
 156     "Sed is a non-interactive, text stream editor.  It receives a text
 157 input from a file or from standard input and it then applies a series of text
 158 editing commands to the stream and prints its output to standard output.  It
 159 is often used for substituting text patterns in a stream.  The GNU
 160 implementation offers several extensions over the standard utility.")
 161    (license gpl3+)
 162    (home-page "https://www.gnu.org/software/sed/")))
 163
 164 (define-public tar
 165   (package
 166    (name "tar")
 167    (version "1.29")
 168    (source (origin
 169             (method url-fetch)
 170             (uri (string-append "mirror://gnu/tar/tar-"
 171                                 version ".tar.xz"))
 172             (sha256
 173              (base32
 174               "097hx7sbzp8qirl4m930lw84kn0wmxhmq7v1qpra3mrg0b8cyba0"))
 175             (patches (search-patches "tar-CVE-2016-6321.patch"
 176                                      "tar-skip-unreliable-tests.patch"))))
 177    (build-system gnu-build-system)
 178    ;; Note: test suite requires ~1GiB of disk space.
 179    (arguments
 180     '(#:phases (modify-phases %standard-phases
 181                  (add-before 'build 'set-shell-file-name
 182                    (lambda* (#:key inputs #:allow-other-keys)
 183                      ;; Do not use "/bin/sh" to run programs.
 184                      (let ((bash (assoc-ref inputs "bash")))
 185                        (substitute* "src/system.c"
 186                          (("/bin/sh")
 187                           (string-append bash "/bin/sh")))
 188                        #t))))))
 189
 190    ;; When cross-compiling, the 'set-shell-file-name' phase needs to be able
 191    ;; to refer to the target Bash.
 192    (inputs (if (%current-target-system)
 193                `(("bash" ,bash))
 194                '()))
 195
 196    (synopsis "Managing tar archives")
 197    (description
 198     "Tar provides the ability to create tar archives, as well as the
 199 ability to extract, update or list files in an existing archive.  It is
 200 useful for combining many files into one larger file, while maintaining
 201 directory structure and file information such as permissions and
 202 creation/modification dates.  GNU tar offers many extensions over the
 203 standard utility.")
 204    (license gpl3+)
 205    (home-page "https://www.gnu.org/software/tar/")))
 206
 207 (define-public patch
 208   (package
 209    (name "patch")
 210     (version "2.7.5")
 211     (source (origin
 212               (method url-fetch)
 213               (uri (string-append "mirror://gnu/patch/patch-"
 214                                   version ".tar.xz"))
 215               (sha256
 216                (base32
 217                 "16d2r9kpivaak948mxzc0bai45mqfw73m113wrkmbffnalv1b5gx"))
 218               (patches (search-patches "patch-hurd-path-max.patch"))))
 219    (build-system gnu-build-system)
 220    (native-inputs `(("ed" ,ed)))
 221    (synopsis "Apply differences to originals, with optional backups")
 222    (description
 223     "Patch is a program that applies changes to files based on differences
 224 laid out as by the program \"diff\".  The changes may be applied to one or more
 225 files depending on the contents of the diff file.  It accepts several
 226 different diff formats.  It may also be used to revert previously applied
 227 differences.")
 228    (license gpl3+)
 229    (home-page "https://savannah.gnu.org/projects/patch/")))
 230
 231 (define-public diffutils
 232   (package
 233    (name "diffutils")
 234    (version "3.6")
 235    (source (origin
 236             (method url-fetch)
 237             (uri (string-append "mirror://gnu/diffutils/diffutils-"
 238                                 version ".tar.xz"))
 239             (sha256
 240              (base32
 241               "1mivg0fy3a6fcn535ln8nkgfj6vxh5hsxxs5h6692wxmsjyyh8fn"))))
 242    (build-system gnu-build-system)
 243    (synopsis "Comparing and merging files")
 244    (description
 245     "GNU Diffutils is a package containing tools for finding the
 246 differences between files.  The \"diff\" command is used to show how two files
 247 differ, while \"cmp\" shows the offsets and line numbers where they differ.
 248 \"diff3\" allows you to compare three files.  Finally, \"sdiff\" offers an
 249 interactive means to merge two files.")
 250    (license gpl3+)
 251    (home-page "https://www.gnu.org/software/diffutils/")))
 252
 253 (define-public findutils
 254   (package
 255    (name "findutils")
 256    (version "4.6.0")
 257    (source (origin
 258             (method url-fetch)
 259             (uri (string-append "mirror://gnu/findutils/findutils-"
 260                                 version ".tar.gz"))
 261             (sha256
 262              (base32
 263               "178nn4dl7wbcw499czikirnkniwnx36argdnqgz4ik9i6zvwkm6y"))
 264             (patches (search-patches
 265                       "findutils-localstatedir.patch"
 266                       "findutils-test-xargs.patch"
 267                       ;; test-lock has performance issues on multi-core
 268                       ;; machines, it hangs or takes a long time to complete.
 269                       ;; This is a commit from gnulib to fix this issue.
 270                       "findutils-gnulib-multi-core.patch"))))
 271    (build-system gnu-build-system)
 272    (arguments
 273     `(#:configure-flags (list
 274                          ;; Tell 'updatedb' to write to /var.
 275                          "--localstatedir=/var"
 276
 277                          ;; Work around cross-compilation failure.  See
 278                          ;; <http://savannah.gnu.org/bugs/?27299#comment1>.
 279                          ,@(if (%current-target-system)
 280                                '("gl_cv_func_wcwidth_works=yes")
 281                                '()))))
 282    (synopsis "Operating on files matching given criteria")
 283    (description
 284     "Findutils supplies the basic file directory searching utilities of the
 285 GNU system.  It consists of two primary searching utilities: \"find\"
 286 recursively searches for files in a directory according to given criteria and
 287 \"locate\" lists files in a database that match a query.  Two auxiliary tools
 288 are included: \"updatedb\" updates the file name database and \"xargs\" may be
 289 used to apply commands with arbitrarily long arguments.")
 290    (license gpl3+)
 291    (home-page "https://www.gnu.org/software/findutils/")))
 292
 293 (define-public coreutils
 294   (package
 295    (name "coreutils")
 296    (version "8.27")
 297    (source (origin
 298             (method url-fetch)
 299             (uri (string-append "mirror://gnu/coreutils/coreutils-"
 300                                 version ".tar.xz"))
 301             (sha256
 302              (base32
 303               "0sv547572iq8ayy8klir4hnngnx92a9nsazmf1wgzfc7xr4x74c8"))
 304             (patches (search-patches "coreutils-cut-huge-range-test.patch"))))
 305    (build-system gnu-build-system)
 306    (inputs `(("acl"  ,acl)                        ; TODO: add SELinux
 307              ("gmp"  ,gmp)                        ;bignums in 'expr', yay!
 308
 309              ;; Drop the dependency on libcap when cross-compiling since it's
 310              ;; not quite cross-compilable.
 311              ,@(if (%current-target-system)
 312                    '()
 313                    `(("libcap" ,libcap)))))  ;capability support is 'ls', etc.
 314    (native-inputs
 315     ;; Perl is needed to run tests in native builds, and to run the bundled
 316     ;; copy of help2man.  However, don't pass it when cross-compiling since
 317     ;; that would lead it to try to run programs to get their '--help' output
 318     ;; for help2man.
 319     (if (%current-target-system)
 320         '()
 321         `(("perl" ,perl))))
 322    (outputs '("out" "debug"))
 323    (arguments
 324     `(#:parallel-build? #f            ; help2man may be called too early
 325       #:phases (alist-cons-before
 326                 'build 'patch-shell-references
 327                 (lambda* (#:key inputs #:allow-other-keys)
 328                   (let ((bash (assoc-ref inputs "bash")))
 329                     ;; 'split' uses either $SHELL or /bin/sh.  Set $SHELL so
 330                     ;; that tests pass, since /bin/sh isn't in the chroot.
 331                     (setenv "SHELL" (which "sh"))
 332
 333                     (substitute* (find-files "gnulib-tests" "\\.c$")
 334                       (("/bin/sh")
 335                        (format #f "~a/bin/sh" bash)))
 336                     (substitute* (find-files "tests" "\\.sh$")
 337                       (("#!/bin/sh")
 338                        (format #f "#!~a/bin/sh" bash)))))
 339                 %standard-phases)))
 340    (synopsis "Core GNU utilities (file, text, shell)")
 341    (description
 342     "GNU Coreutils includes all of the basic command-line tools that are
 343 expected in a POSIX system.  These provide the basic file, shell and text
 344 manipulation functions of the GNU system.  Most of these tools offer extended
 345 functionality beyond that which is outlined in the POSIX standard.")
 346    (license gpl3+)
 347    (home-page "https://www.gnu.org/software/coreutils/")))
 348
 349 (define-public coreutils-minimal
 350   ;; Coreutils without its optional dependencies.
 351   (package
 352     (inherit coreutils)
 353     (name "coreutils-minimal")
 354     (outputs '("out"))
 355     (inputs '())))
 356
 357 (define-public gnu-make
 358   (package
 359    (name "make")
 360    (version "4.2.1")
 361    (source (origin
 362             (method url-fetch)
 363             (uri (string-append "mirror://gnu/make/make-" version
 364                                 ".tar.bz2"))
 365             (sha256
 366              (base32
 367               "12f5zzyq2w56g95nni65hc0g5p7154033y2f3qmjvd016szn5qnn"))
 368             (patches (search-patches "make-impure-dirs.patch"))))
 369    (build-system gnu-build-system)
 370    (native-inputs `(("pkg-config" ,pkg-config)))  ; to detect Guile
 371    (inputs `(("guile" ,guile-2.0)))
 372    (outputs '("out" "debug"))
 373    (arguments
 374     '(#:phases
 375       (modify-phases %standard-phases
 376         (add-before 'build 'set-default-shell
 377           (lambda* (#:key inputs #:allow-other-keys)
 378             ;; Change the default shell from /bin/sh.
 379             (let ((bash (assoc-ref inputs "bash")))
 380               (substitute* "job.c"
 381                 (("default_shell =.*$")
 382                  (format #f "default_shell = \"~a/bin/sh\";\n"
 383                          bash)))))))))
 384    (synopsis "Remake files automatically")
 385    (description
 386     "Make is a program that is used to control the production of
 387 executables or other files from their source files.  The process is
 388 controlled from a Makefile, in which the developer specifies how each file is
 389 generated from its source.  It has powerful dependency resolution and the
 390 ability to determine when files have to be regenerated after their sources
 391 change.  GNU make offers many powerful extensions over the standard utility.")
 392    (license gpl3+)
 393    (home-page "https://www.gnu.org/software/make/")))
 394
 395 (define-public binutils
 396   (package
 397    (name "binutils")
 398    (version "2.28")
 399    (source (origin
 400             (method url-fetch)
 401             (uri (string-append "mirror://gnu/binutils/binutils-"
 402                                 version ".tar.bz2"))
 403             (sha256
 404              (base32
 405               "0wiasgns7i8km8nrxas265sh2dfpsw93b3qw195ipc90w4z475v2"))
 406             (patches (search-patches "binutils-ld-new-dtags.patch"
 407                                      "binutils-loongson-workaround.patch"))))
 408    (build-system gnu-build-system)
 409
 410    ;; TODO: Add dependency on zlib + those for Gold.
 411    (arguments
 412     `(#:configure-flags '(;; Add `-static-libgcc' to not retain a dependency
 413                           ;; on GCC when bootstrapping.
 414                           "LDFLAGS=-static-libgcc"
 415
 416                           ;; Don't search under /usr/lib & co.
 417                           "--with-lib-path=/no-ld-lib-path"
 418
 419                           ;; Install BFD.  It ends up in a hidden directory,
 420                           ;; but it's here.
 421                           "--enable-install-libbfd"
 422
 423                           ;; Make sure 'ar' and 'ranlib' produce archives in a
 424                           ;; deterministic fashion.
 425                           "--enable-deterministic-archives")))
 426
 427    (synopsis "Binary utilities: bfd gas gprof ld")
 428    (description
 429     "GNU Binutils is a collection of tools for working with binary files.
 430 Perhaps the most notable are \"ld\", a linker, and \"as\", an assembler.
 431 Other tools include programs to display binary profiling information, list
 432 the strings in a binary file, and utilities for working with archives.  The
 433 \"bfd\" library for working with executable and object formats is also
 434 included.")
 435    (license gpl3+)
 436    (home-page "https://www.gnu.org/software/binutils/")))
 437
 438 (define* (make-ld-wrapper name #:key
 439                           (target (const #f))
 440                           binutils
 441                           (guile (canonical-package guile-2.2))
 442                           (bash (canonical-package bash))
 443                           (guile-for-build guile))
 444   "Return a package called NAME that contains a wrapper for the 'ld' program
 445 of BINUTILS, which adds '-rpath' flags to the actual 'ld' command line.  The
 446 wrapper uses GUILE and BASH.
 447
 448 TARGET must be a one-argument procedure that, given a system type, returns a
 449 cross-compilation target triplet or #f.  When the result is not #f, make a
 450 wrapper for the cross-linker for that target, called 'TARGET-ld'."
 451   ;; Note: #:system->target-triplet is a procedure so that the evaluation of
 452   ;; its result can be delayed until the 'arguments' field is evaluated, thus
 453   ;; in a context where '%current-system' is accurate.
 454   (package
 455     (name name)
 456     (version "0")
 457     (source #f)
 458     (build-system trivial-build-system)
 459     (inputs `(("binutils" ,binutils)
 460               ("guile"    ,guile)
 461               ("bash"     ,bash)
 462               ("wrapper"  ,(search-path %load-path
 463                                         "gnu/packages/ld-wrapper.in"))))
 464     (arguments
 465      (let ((target (target (%current-system))))
 466        `(#:guile ,guile-for-build
 467          #:modules ((guix build utils))
 468          #:builder (begin
 469                      (use-modules (guix build utils)
 470                                   (system base compile))
 471
 472                      (let* ((out (assoc-ref %outputs "out"))
 473                             (bin (string-append out "/bin"))
 474                             (ld  ,(if target
 475                                       `(string-append bin "/" ,target "-ld")
 476                                       '(string-append bin "/ld")))
 477                             (go  (string-append ld ".go")))
 478
 479                        (setvbuf (current-output-port) _IOLBF)
 480                        (format #t "building ~s/bin/ld wrapper in ~s~%"
 481                                (assoc-ref %build-inputs "binutils")
 482                                out)
 483
 484                        (mkdir-p bin)
 485                        (copy-file (assoc-ref %build-inputs "wrapper") ld)
 486                        (substitute* ld
 487                          (("@SELF@")
 488                           ld)
 489                          (("@GUILE@")
 490                           (string-append (assoc-ref %build-inputs "guile")
 491                                          "/bin/guile"))
 492                          (("@BASH@")
 493                           (string-append (assoc-ref %build-inputs "bash")
 494                                          "/bin/bash"))
 495                          (("@LD@")
 496                           (string-append (assoc-ref %build-inputs "binutils")
 497                                          ,(if target
 498                                               (string-append "/bin/"
 499                                                              target "-ld")
 500                                               "/bin/ld"))))
 501                        (chmod ld #o555)
 502                        (compile-file ld #:output-file go))))))
 503     (synopsis "The linker wrapper")
 504     (description
 505      "The linker wrapper (or 'ld-wrapper') wraps the linker to add any
 506 missing '-rpath' flags, and to detect any misuse of libraries outside of the
 507 store.")
 508     (home-page "https://www.gnu.org/software/guix//")
 509     (license gpl3+)))
 510
 511 (export make-ld-wrapper)
 512
 513 (define-public glibc/linux
 514   (package
 515    (name "glibc")
 516    (version "2.25")
 517    (source (origin
 518             (method url-fetch)
 519             (uri (string-append "mirror://gnu/glibc/glibc-"
 520                                 version ".tar.xz"))
 521             (sha256
 522              (base32
 523               "1813dzkgw6v8q8q1m4v96yfis7vjqc9pslqib6j9mrwh6fxxjyq6"))
 524             (snippet
 525              ;; Disable 'ldconfig' and /etc/ld.so.cache.  The latter is
 526              ;; required on LFS distros to avoid loading the distro's libc.so
 527              ;; instead of ours.
 528              '(substitute* "sysdeps/unix/sysv/linux/configure"
 529                 (("use_ldconfig=yes")
 530                  "use_ldconfig=no")))
 531             (modules '((guix build utils)))
 532             (patches (search-patches "glibc-ldd-x86_64.patch"
 533                                      "glibc-versioned-locpath.patch"
 534                                      "glibc-o-largefile.patch"
 535                                      "glibc-memchr-overflow-i686.patch"
 536                                      "glibc-vectorized-strcspn-guards.patch"
 537                                      "glibc-CVE-2017-1000366-pt1.patch"
 538                                      "glibc-CVE-2017-1000366-pt2.patch"
 539                                      "glibc-CVE-2017-1000366-pt3.patch"))))
 540    (build-system gnu-build-system)
 541
 542    ;; Glibc's <limits.h> refers to <linux/limit.h>, for instance, so glibc
 543    ;; users should automatically pull Linux headers as well.
 544    (propagated-inputs `(("kernel-headers" ,linux-libre-headers)))
 545
 546    (outputs '("out" "debug"))
 547
 548    (arguments
 549     `(#:out-of-source? #t
 550
 551       ;; The libraries have an empty RUNPATH, but some, such as the versioned
 552       ;; libraries (libdl-2.24.so, etc.) have ld.so marked as NEEDED.  Since
 553       ;; these libraries are always going to be found anyway, just skip
 554       ;; RUNPATH checks.
 555       #:validate-runpath? #f
 556
 557       #:configure-flags
 558       (list "--enable-add-ons"
 559             "--sysconfdir=/etc"
 560
 561             ;; Installing a locale archive with all the locales is to
 562             ;; expensive (~100 MiB), so we rely on users to install the
 563             ;; locales they really want.
 564             ;;
 565             ;; Set the default locale path.  In practice, $LOCPATH may be
 566             ;; defined to point whatever locales users want.  However, setuid
 567             ;; binaries don't honor $LOCPATH, so they'll instead look into
 568             ;; $libc_cv_complocaledir; we choose /run/current-system/locale/X.Y,
 569             ;; with the idea that it is going to be populated by the sysadmin.
 570             ;; The "X.Y" sub-directory is because locale data formats are
 571             ;; incompatible across libc versions; see
 572             ;; <https://lists.gnu.org/archive/html/guix-devel/2015-08/msg00737.html>.
 573             ;;
 574             ;; `--localedir' is not honored, so work around it.
 575             ;; See <http://sourceware.org/ml/libc-alpha/2013-03/msg00093.html>.
 576             (string-append "libc_cv_complocaledir=/run/current-system/locale/"
 577                            ,version)
 578
 579             (string-append "--with-headers="
 580                            (assoc-ref ,(if (%current-target-system)
 581                                            '%build-target-inputs
 582                                            '%build-inputs)
 583                                       "kernel-headers")
 584                            "/include")
 585
 586             ;; This is the default for most architectures as of GNU libc 2.21,
 587             ;; but we specify it explicitly for clarity and consistency.  See
 588             ;; "kernel-features.h" in the GNU libc for details.
 589             "--enable-kernel=2.6.32"
 590
 591             ;; Use our Bash instead of /bin/sh.
 592             (string-append "BASH_SHELL="
 593                            (assoc-ref %build-inputs "bash")
 594                            "/bin/bash")
 595
 596             ;; XXX: Work around "undefined reference to `__stack_chk_guard'".
 597             "libc_cv_ssp=no" "libc_cv_ssp_strong=no")
 598
 599       #:tests? #f                                 ; XXX
 600       #:phases (modify-phases %standard-phases
 601                  (add-before
 602                   'configure 'pre-configure
 603                   (lambda* (#:key inputs native-inputs outputs
 604                                   #:allow-other-keys)
 605                     (let* ((out  (assoc-ref outputs "out"))
 606                            (bin  (string-append out "/bin"))
 607                            ;; FIXME: Normally we would look it up only in INPUTS
 608                            ;; but cross-base uses it as a native input.
 609                            (bash (or (assoc-ref inputs "static-bash")
 610                                      (assoc-ref native-inputs "static-bash"))))
 611                       ;; Install the rpc data base file under `$out/etc/rpc'.
 612                       ;; FIXME: Use installFlags = [ "sysconfdir=$(out)/etc" ];
 613                       (substitute* "sunrpc/Makefile"
 614                         (("^\\$\\(inst_sysconfdir\\)/rpc(.*)$" _ suffix)
 615                          (string-append out "/etc/rpc" suffix "\n"))
 616                         (("^install-others =.*$")
 617                          (string-append "install-others = " out "/etc/rpc\n")))
 618
 619                       (substitute* "Makeconfig"
 620                         ;; According to
 621                         ;; <http://www.linuxfromscratch.org/lfs/view/stable/chapter05/glibc.html>,
 622                         ;; linking against libgcc_s is not needed with GCC
 623                         ;; 4.7.1.
 624                         ((" -lgcc_s") ""))
 625
 626                       ;; Have `system' use that Bash.
 627                       (substitute* "sysdeps/posix/system.c"
 628                         (("#define[[:blank:]]+SHELL_PATH.*$")
 629                          (format #f "#define SHELL_PATH \"~a/bin/bash\"\n"
 630                                  bash)))
 631
 632                       ;; Same for `popen'.
 633                       (substitute* "libio/iopopen.c"
 634                         (("/bin/sh")
 635                          (string-append bash "/bin/sh")))
 636
 637                       ;; Same for the shell used by the 'exec' functions for
 638                       ;; scripts that lack a shebang.
 639                       (substitute* (find-files "." "^paths\\.h$")
 640                         (("#define[[:blank:]]+_PATH_BSHELL[[:blank:]].*$")
 641                          (string-append "#define _PATH_BSHELL \""
 642                                         bash "/bin/sh\"\n")))
 643
 644                       ;; Nscd uses __DATE__ and __TIME__ to create a string to
 645                       ;; make sure the client and server come from the same
 646                       ;; libc.  Use something deterministic instead.
 647                       (substitute* "nscd/nscd_stat.c"
 648                         (("static const char compilation\\[21\\] =.*$")
 649                          (string-append
 650                           "static const char compilation[21] = \""
 651                           (string-take (basename out) 20) "\";\n")))
 652
 653                       ;; Make sure we don't retain a reference to the
 654                       ;; bootstrap Perl.
 655                       (substitute* "malloc/mtrace.pl"
 656                         (("^#!.*")
 657                          ;; The shebang can be omitted, because there's the
 658                          ;; "bilingual" eval/exec magic at the top of the file.
 659                          "")
 660                         (("exec @PERL@")
 661                          "exec perl"))))))))
 662
 663    (inputs `(("static-bash" ,static-bash)))
 664
 665    ;; To build the manual, we need Texinfo and Perl.  Gettext is needed to
 666    ;; install the message catalogs, with 'msgfmt'.
 667    (native-inputs `(("texinfo" ,texinfo)
 668                     ("perl" ,perl)
 669                     ("gettext" ,gettext-minimal)))
 670
 671    (native-search-paths
 672     ;; Search path for packages that provide locale data.  This is useful
 673     ;; primarily in build environments.  Use 'GUIX_LOCPATH' rather than
 674     ;; 'LOCPATH' to avoid interference with the host system's libc on foreign
 675     ;; distros.
 676     (list (search-path-specification
 677            (variable "GUIX_LOCPATH")
 678            (files '("lib/locale")))))
 679
 680    (synopsis "The GNU C Library")
 681    (description
 682     "Any Unix-like operating system needs a C library: the library which
 683 defines the \"system calls\" and other basic facilities such as open, malloc,
 684 printf, exit...
 685
 686 The GNU C library is used as the C library in the GNU system and most systems
 687 with the Linux kernel.")
 688    (license lgpl2.0+)
 689    (home-page "https://www.gnu.org/software/libc/")))
 690
 691 (define-public glibc/hurd
 692   ;; The Hurd's libc variant.
 693   (package (inherit glibc/linux)
 694     (name "glibc-hurd")
 695     (version "2.23")
 696     (source (origin
 697               (method url-fetch)
 698               (uri (string-append "http://alpha.gnu.org/gnu/hurd/glibc-"
 699                                   version "-hurd+libpthread-20161218" ".tar.gz"))
 700               (sha256
 701                (base32
 702                 "0vpdv05j6j3ria5bw8gp468i64gij94cslxkxj9xkfgi6p615b8p"))))
 703
 704     ;; Libc provides <hurd.h>, which includes a bunch of Hurd and Mach headers,
 705     ;; so both should be propagated.
 706     (propagated-inputs `(("hurd-core-headers" ,hurd-core-headers)))
 707     (native-inputs
 708      `(,@(package-native-inputs glibc/linux)
 709        ("mig" ,mig)
 710        ("perl" ,perl)))
 711
 712     (arguments
 713      (substitute-keyword-arguments (package-arguments glibc/linux)
 714        ((#:phases original-phases)
 715         ;; Add libmachuser.so and libhurduser.so to libc.so's search path.
 716         ;; See <http://lists.gnu.org/archive/html/bug-hurd/2015-07/msg00051.html>.
 717         `(modify-phases ,original-phases
 718            (add-after 'install 'augment-libc.so
 719              (lambda* (#:key outputs #:allow-other-keys)
 720                (let* ((out (assoc-ref outputs "out")))
 721                  (substitute* (string-append out "/lib/libc.so")
 722                    (("/[^ ]+/lib/libc.so.0.3")
 723                     (string-append out "/lib/libc.so.0.3" " libmachuser.so" " libhurduser.so"))))
 724                #t))
 725            (add-after 'pre-configure 'pre-configure-set-pwd
 726              (lambda _
 727                ;; Use the right 'pwd'.
 728                (substitute* "configure"
 729                  (("/bin/pwd") "pwd"))
 730                #t))
 731            (replace 'build
 732              (lambda _
 733                ;; Force mach/hurd/libpthread subdirs to build first in order to avoid
 734                ;; linking errors.
 735                ;; See <https://lists.gnu.org/archive/html/bug-hurd/2016-11/msg00045.html>
 736                (let ((-j (list "-j" (number->string (parallel-job-count)))))
 737                  (let-syntax ((make (syntax-rules ()
 738                                       ((_ target)
 739                                        (zero? (apply system* "make" target -j))))))
 740                    (and (make "mach/subdir_lib")
 741                         (make "hurd/subdir_lib")
 742                         (make "libpthread/subdir_lib")
 743                         (zero? (apply system* "make" -j)))))))))
 744         ((#:configure-flags original-configure-flags)
 745         `(append (list "--host=i586-pc-gnu"
 746
 747                        ;; We need this to get a working openpty() function.
 748                        "--enable-pt_chown"
 749
 750                        ;; <https://lists.gnu.org/archive/html/bug-hurd/2016-10/msg00033.html>
 751                        "--disable-werror"
 752
 753                        ;; nscd fails to build for GNU/Hurd:
 754                        ;; <https://lists.gnu.org/archive/html/bug-hurd/2014-07/msg00006.html>.
 755                        ;; Disable it.
 756                        "--disable-nscd")
 757                  (filter (lambda (flag)
 758                            (not (string-prefix? "--enable-kernel=" flag)))
 759                          ,original-configure-flags)))))
 760     (synopsis "The GNU C Library (GNU Hurd variant)")
 761     (supported-systems %hurd-systems)))
 762
 763 (define* (glibc-for-target #:optional
 764                            (target (or (%current-target-system)
 765                                        (%current-system))))
 766   "Return the glibc for TARGET, GLIBC/LINUX for a Linux host or
 767 GLIBC/HURD for a Hurd host"
 768   (match target
 769     ((or "i586-pc-gnu" "i586-gnu") glibc/hurd)
 770     (_ glibc/linux)))
 771
 772 (define-syntax glibc
 773   (identifier-syntax (glibc-for-target)))
 774
 775 ;; Below are old libc versions, which we use mostly to build locale data in
 776 ;; the old format (which the new libc cannot cope with.)
 777
 778 (define-public glibc-2.24
 779   (package
 780     (inherit glibc)
 781     (version "2.24")
 782     (source (origin
 783               (inherit (package-source glibc))
 784               (uri (string-append "mirror://gnu/glibc/glibc-"
 785                                   version ".tar.xz"))
 786               (sha256
 787                (base32
 788                 "1lxmprg9gm73gvafxd503x70z32phwjzcy74i0adfi6ixzla7m4r"))
 789               (patches (search-patches "glibc-ldd-x86_64.patch"
 790                                        "glibc-versioned-locpath.patch"
 791                                        "glibc-o-largefile.patch"
 792                                        "glibc-vectorized-strcspn-guards.patch"
 793                                        "glibc-CVE-2017-1000366-pt1.patch"
 794                                        "glibc-CVE-2017-1000366-pt2.patch"
 795                                        "glibc-CVE-2017-1000366-pt3.patch"))))))
 796
 797 (define-public glibc-2.23
 798   (package
 799     (inherit glibc)
 800     (version "2.23")
 801     (source (origin
 802               (inherit (package-source glibc))
 803               (uri (string-append "mirror://gnu/glibc/glibc-"
 804                                   version ".tar.xz"))
 805               (sha256
 806                (base32
 807                 "1s8krs3y2n6pzav7ic59dz41alqalphv7vww4138ag30wh0fpvwl"))
 808               (patches (search-patches "glibc-ldd-x86_64.patch"
 809                                        "glibc-versioned-locpath.patch"
 810                                        "glibc-o-largefile.patch"
 811                                        "glibc-vectorized-strcspn-guards.patch"
 812                                        "glibc-CVE-2017-1000366-pt1.patch"
 813                                        "glibc-CVE-2017-1000366-pt2.patch"
 814                                        "glibc-CVE-2017-1000366-pt3.patch"))))))
 815
 816 (define-public glibc-2.22
 817   (package
 818     (inherit glibc)
 819     (version "2.22")
 820     (source (origin
 821               (inherit (package-source glibc))
 822               (uri (string-append "mirror://gnu/glibc/glibc-"
 823                                   version ".tar.xz"))
 824               (sha256
 825                (base32
 826                 "0j49682pm2nh4qbdw35bas82p1pgfnz4d2l7iwfyzvrvj0318wzb"))
 827               (patches (search-patches "glibc-ldd-x86_64.patch"
 828                                        "glibc-vectorized-strcspn-guards.patch"
 829                                        "glibc-CVE-2017-1000366-pt1.patch"
 830                                        "glibc-CVE-2017-1000366-pt2.patch"
 831                                        "glibc-CVE-2017-1000366-pt3.patch"))))
 832     (arguments
 833       (substitute-keyword-arguments (package-arguments glibc)
 834         ((#:phases phases)
 835          `(modify-phases ,phases
 836             (add-before 'configure 'fix-pwd
 837               (lambda _
 838                 ;; Use `pwd' instead of `/bin/pwd' for glibc-2.22.
 839                 (substitute* "configure"
 840                   (("/bin/pwd") "pwd"))
 841                 #t))))))))
 842
 843 (define-public glibc-locales
 844   (package
 845     (inherit glibc)
 846     (name "glibc-locales")
 847     (source (origin (inherit (package-source glibc))
 848                     (patches (cons (search-patch "glibc-locales.patch")
 849                                    (origin-patches (package-source glibc))))))
 850     (synopsis "All the locales supported by the GNU C Library")
 851     (description
 852      "This package provides all the locales supported by the GNU C Library,
 853 more than 400 in total.  To use them set the 'LOCPATH' environment variable to
 854 the 'share/locale' sub-directory of this package.")
 855     (outputs '("out"))                            ;110+ MiB
 856     (native-search-paths '())
 857     (arguments
 858      (let ((args `(#:tests? #f #:strip-binaries? #f
 859                    ,@(package-arguments glibc))))
 860        (substitute-keyword-arguments args
 861          ((#:phases phases)
 862           `(alist-replace
 863             'build
 864             (lambda* (#:key outputs #:allow-other-keys)
 865               (zero? (system* "make" "localedata/install-locales"
 866                               "-j" (number->string (parallel-job-count)))))
 867             (alist-delete 'install ,phases)))
 868          ((#:configure-flags flags)
 869           `(append ,flags
 870                    ;; Use $(libdir)/locale/X.Y as is the case by default.
 871                    (list (string-append "libc_cv_complocaledir="
 872                                         (assoc-ref %outputs "out")
 873                                         "/lib/locale/"
 874                                         ,(package-version glibc))))))))))
 875
 876 (define-public glibc-utf8-locales
 877   (package
 878     (name "glibc-utf8-locales")
 879     (version (package-version glibc))
 880     (source #f)
 881     (build-system trivial-build-system)
 882     (arguments
 883      `(#:modules ((guix build utils))
 884        #:builder (begin
 885                    (use-modules (srfi srfi-1)
 886                                 (guix build utils))
 887
 888                    (let* ((libc      (assoc-ref %build-inputs "glibc"))
 889                           (gzip      (assoc-ref %build-inputs "gzip"))
 890                           (out       (assoc-ref %outputs "out"))
 891                           (localedir (string-append out "/lib/locale/"
 892                                                     ,version)))
 893                      ;; 'localedef' needs 'gzip'.
 894                      (setenv "PATH" (string-append libc "/bin:" gzip "/bin"))
 895
 896                      (mkdir-p localedir)
 897                      (every (lambda (locale)
 898                               (define file
 899                                 ;; Use the "normalized codeset" by
 900                                 ;; default--e.g., "en_US.utf8".
 901                                 (string-append localedir "/" locale ".utf8"))
 902
 903                               (and (zero? (system* "localedef" "--no-archive"
 904                                                    "--prefix" localedir
 905                                                    "-i" locale
 906                                                    "-f" "UTF-8" file))
 907                                    (begin
 908                                      ;; For backward compatibility with Guix
 909                                      ;; <= 0.8.3, add "xx_YY.UTF-8".
 910                                      (symlink (string-append locale ".utf8")
 911                                               (string-append localedir "/"
 912                                                              locale ".UTF-8"))
 913                                      #t)))
 914
 915                             ;; These are the locales commonly used for
 916                             ;; tests---e.g., in Guile's i18n tests.
 917                             '("de_DE" "el_GR" "en_US" "fr_FR" "tr_TR"))))))
 918     (inputs `(("glibc" ,glibc)
 919               ("gzip" ,gzip)))
 920     (synopsis "Small sample of UTF-8 locales")
 921     (description
 922      "This package provides a small sample of UTF-8 locales mostly useful in
 923 test environments.")
 924     (home-page (package-home-page glibc))
 925     (license (package-license glibc))))
 926
 927 (define-public which
 928   (package
 929     (name "which")
 930     (version "2.21")
 931     (source (origin
 932               (method url-fetch)
 933               (uri (string-append "mirror://gnu/which/which-"
 934                                   version ".tar.gz"))
 935               (sha256
 936                (base32
 937                 "1bgafvy3ypbhhfznwjv1lxmd6mci3x1byilnnkc7gcr486wlb8pl"))))
 938     (build-system gnu-build-system)
 939     (home-page "https://gnu.org/software/which/")
 940     (synopsis "Find full path of shell commands")
 941     (description
 942      "The which program finds the location of executables in PATH, with a
 943 variety of options.  It is an alternative to the shell \"type\" built-in
 944 command.")
 945     (license gpl3+))) ; some files are under GPLv2+
 946
 947 (define-public glibc/hurd-headers
 948   (package (inherit glibc/hurd)
 949     (name "glibc-hurd-headers")
 950     (outputs '("out"))
 951     (propagated-inputs `(("gnumach-headers" ,gnumach-headers)
 952                          ("hurd-headers" ,hurd-headers)))
 953     (arguments
 954      (substitute-keyword-arguments (package-arguments glibc/hurd)
 955        ;; We just pass the flags really needed to build the headers.
 956        ((#:configure-flags _)
 957         `(list "--enable-add-ons"
 958                "--host=i586-pc-gnu"
 959                "--enable-obsolete-rpc"))
 960        ((#:phases _)
 961         '(alist-replace
 962           'install
 963           (lambda* (#:key outputs #:allow-other-keys)
 964             (and (zero? (system* "make" "install-headers"))
 965
 966                  ;; Make an empty stubs.h to work around not being able to
 967                  ;; produce a valid stubs.h and causing the build to fail. See
 968                  ;; <http://lists.gnu.org/archive/html/guix-devel/2014-04/msg00233.html>.
 969                  (let ((out (assoc-ref outputs "out")))
 970                    (close-port
 971                     (open-output-file
 972                      (string-append out "/include/gnu/stubs.h"))))))
 973
 974           ;; Nothing to build.
 975           (alist-delete
 976            'build
 977
 978            (alist-cons-before
 979             'configure 'pre-configure
 980             (lambda _
 981               ;; Use the right 'pwd'.
 982               (substitute* "configure"
 983                 (("/bin/pwd") "pwd")))
 984             %standard-phases))))))))
 985
 986 (define-public tzdata
 987   (package
 988     (name "tzdata")
 989     (version "2017b")
 990     (source (origin
 991              (method url-fetch)
 992              (uri (string-append
 993                    "https://www.iana.org/time-zones/repository/releases/tzdata"
 994                    version ".tar.gz"))
 995              (sha256
 996               (base32
 997                "11l0s43vx33dcs78p80122i8s5s9l1sjwkzzwh66njd35r92l97q"))))
 998     (build-system gnu-build-system)
 999     (arguments
1000      '(#:tests? #f
1001        #:make-flags (let ((out (assoc-ref %outputs "out"))
1002                           (tmp (getenv "TMPDIR")))
1003                       (list (string-append "TOPDIR=" out)
1004                             (string-append "TZDIR=" out "/share/zoneinfo")
1005
1006                             ;; Discard zic, dump, and tzselect, already
1007                             ;; provided by glibc.
1008                             (string-append "ETCDIR=" tmp "/etc")
1009
1010                             ;; Likewise for the C library routines.
1011                             (string-append "LIBDIR=" tmp "/lib")
1012                             (string-append "MANDIR=" tmp "/man")
1013
1014                             "AWK=awk"
1015                             "CC=gcc"))
1016        #:modules ((guix build utils)
1017                   (guix build gnu-build-system)
1018                   (srfi srfi-1))
1019        #:phases
1020        (modify-phases %standard-phases
1021          (replace 'unpack
1022            (lambda* (#:key source inputs #:allow-other-keys)
1023              (and (zero? (system* "tar" "xvf" source))
1024                   (zero? (system* "tar" "xvf" (assoc-ref inputs "tzcode"))))))
1025          (add-after 'install 'post-install
1026            (lambda* (#:key outputs #:allow-other-keys)
1027              ;; Move data in the right place.
1028              (let ((out (assoc-ref outputs "out")))
1029                (symlink (string-append out "/share/zoneinfo")
1030                         (string-append out "/share/zoneinfo/posix"))
1031                (delete-file-recursively
1032                 (string-append out "/share/zoneinfo-posix"))
1033                (copy-recursively (string-append out "/share/zoneinfo-leaps")
1034                                  (string-append out "/share/zoneinfo/right"))
1035                (delete-file-recursively
1036                 (string-append out "/share/zoneinfo-leaps")))))
1037          (delete 'configure))))
1038     (inputs `(("tzcode" ,(origin
1039                           (method url-fetch)
1040                           (uri (string-append
1041                                 "http://www.iana.org/time-zones/repository/releases/tzcode"
1042                                 version ".tar.gz"))
1043                           (sha256
1044                            (base32
1045                             "0h1d567gn8l3iqgyadcswwdy2yh07nhz3lfl8ds8saz2ajxka5sd"))))))
1046     (home-page "https://www.iana.org/time-zones")
1047     (synopsis "Database of current and historical time zones")
1048     (description "The Time Zone Database (often called tz or zoneinfo)
1049 contains code and data that represent the history of local time for many
1050 representative locations around the globe.  It is updated periodically to
1051 reflect changes made by political bodies to time zone boundaries, UTC offsets,
1052 and daylight-saving rules.")
1053     (license public-domain)))
1054
1055 ;;; A "fixed" version of tzdata, which is used in the test suites of
1056 ;;; glib and R. We can update this whenever we are able to rebuild
1057 ;;; thousands of packages (for example, in a core-updates rebuild).
1058 (define-public tzdata-2017a
1059   (package
1060     (inherit tzdata)
1061     (version "2017a")
1062     (source
1063       (origin
1064         (method url-fetch)
1065         (uri (string-append "https://www.iana.org/time-zones/repository"
1066                             "/releases/tzdata" version ".tar.gz"))
1067         (sha256
1068          (base32
1069           "1mmv4rvcs12lrvgghw4fidczvb69yv69cmzknghcvw1c196mqfnz"))))
1070     (inputs `(("tzcode" ,(origin
1071                           (method url-fetch)
1072                           (uri (string-append
1073                                 "http://www.iana.org/time-zones/repository/releases/tzcode"
1074                                 version ".tar.gz"))
1075                           (sha256
1076                            (base32
1077                             "1b1q7gnlsh5hjgs5065pvajd37rmbc3k9b8cgzad1vcrifswdwh2"))))))))
1078
1079
1080 (define-public libiconv
1081   (package
1082     (name "libiconv")
1083     (version "1.15")
1084     (source (origin
1085               (method url-fetch)
1086               (uri (string-append "mirror://gnu/libiconv/libiconv-"
1087                                   version ".tar.gz"))
1088               (sha256
1089                (base32
1090                 "0y1ij745r4p48mxq84rax40p10ln7fc7m243p8k8sia519i3dxfc"))
1091               (modules '((guix build utils)))
1092               (snippet
1093                ;; Work around "declared gets" error on glibc systems (fixed by
1094                ;; Gnulib commit 66712c23388e93e5c518ebc8515140fa0c807348.)
1095                '(substitute* "srclib/stdio.in.h"
1096                   (("^#undef gets") "")
1097                   (("^_GL_WARN_ON_USE \\(gets.*") "")))))
1098     (build-system gnu-build-system)
1099     (synopsis "Character set conversion library")
1100     (description
1101      "libiconv provides an implementation of the iconv function for systems
1102 that lack it.  iconv is used to convert between character encodings in a
1103 program.  It supports a wide variety of different encodings.")
1104     (home-page "https://www.gnu.org/software/libiconv/")
1105     (license lgpl3+)))
1106
1107 (define* (libiconv-if-needed #:optional (target (%current-target-system)))
1108   "Return either a libiconv package specification to include in a dependency
1109 list for platforms that have an incomplete libc, or the empty list.  If a
1110 package needs iconv ,@(libiconv-if-needed) should be added."
1111   ;; POSIX C libraries provide iconv.  Platforms with an incomplete libc
1112   ;; without iconv, such as MinGW, must return the then clause.
1113   (if (target-mingw? target)
1114       `(("libiconv" ,libiconv))
1115       '()))
1116
1117 (define-public (canonical-package package)
1118   ;; Avoid circular dependency by lazily resolving 'commencement'.
1119   (let* ((iface (resolve-interface '(gnu packages commencement)))
1120          (proc  (module-ref iface 'canonical-package)))
1121     (proc package)))
1122
1123 (define-public (%final-inputs)
1124   "Return the list of \"final inputs\"."
1125   ;; Avoid circular dependency by lazily resolving 'commencement'.
1126   (let ((iface (resolve-interface '(gnu packages commencement))))
1127     (module-ref iface '%final-inputs)))
1128
1129 ;;; base.scm ends here