;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2016, 2018 Leo Famulari <leo@famulari.name>
;;; Copyright © 2017 Rene Saavedra <rennes@openmailbox.org>
;;; Copyright © 2019, 2020, 2022 Marius Bakke <marius@gnu.org>
;;; Copyright © 2022, 2023 Efraim Flashner <efraim@flashner.co.il>
;;;
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age collector may be used as a leak detector for
C or C++ programs, though that is not its primary goal.")
   (home-page "https://www.hboehm.info/gc/")

   (license (x11-style (string-append home-page "license.txt")))))

;; TODO: Add a static output in libgc in the next rebuild cycle.
(define-public libgc/static-libs
  (package/inherit
   libgc
   (arguments
    (substitute-keyword-arguments (package-arguments libgc)
      ((#:configure-flags flags #~'())
       #~(cons "--enable-static" #$flags))))

   (properties '((hidden? . #t)))))

(define-public libgc-7
  (package
   (inherit libgc)
   (version "7.6.12")
   (source (origin
             (method url-fetch)
             (uri (string-append "https://github.com/ivmai/bdwgc/releases"
                                 "/download/v" version "/gc-" version ".tar.gz"))
             (sha256
              (base32
               "10jhhi79d5brwlsyhwgpnrmc8nhlf7aan2lk9xhgihk5jc6srbvc"))))
   (propagated-inputs (list libatomic-ops))))

(define-public libgc/back-pointers
  (package/inherit
    libgc
    (name "libgc-back-pointers")
    (arguments
     (substitute-keyword-arguments (package-arguments libgc)
       ((#:make-flags _ #~'())
        #~(list "CPPFLAGS=-DKEEP_BACK_PTRS=1"))))
    (synopsis "The BDW garbage collector, with back-pointer tracking")))

(define-public libatomic-ops
  (package
    (name "libatomic-ops")
    (version "7.6.12")
    (source (origin
              (method url-fetch)
              (uri (string-append
                    "https://github.com/ivmai/libatomic_ops/releases/download/v"
                    version "/libatomic_ops-" version ".tar.gz"))
              (sha256
               (base32
                "0glzah695wsf6c27hs5wwlw4mnq1vfivdshz1rb8pq7w4mp5dazh"))))
    (build-system gnu-build-system)
    (outputs '("out" "debug"))
    (synopsis "Accessing hardware atomic memory update operations")
    (description
     "This C library provides semi-portable access to hardware-provided atomic
memory update operations on a number of architectures.  These might allow you to
write code that does more interesting things in signal handlers, write
lock-free code, experiment with thread programming paradigms, etc.")
    (home-page "https://github.com/ivmai/libatomic_ops/")

    ;; Some source files are X11-style, others are GPLv2+.
    (license gpl2+)))