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gnu: Add lodepng.

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* gnu/packages/image.scm (lodepng): New variable.

Signed-off-by: Marius Bakke <mbakke@fastmail.com>
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Giacomo Leidi 2020-02-16 22:21:32 +01:00 committed by Marius Bakke
parent 7daae3c9d0
commit 7eed584507
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gnu/packages/image.scm
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@ -23,6 +23,7 @@
;;; Copyright © 2018 Pierre-Antoine Rouby <contact@parouby.fr>
;;; Copyright © 2018 Alex Vong <alexvong1995@gmail.com>
;;; Copyright © 2018 Rutger Helling <rhelling@mykolab.com>
;;; Copyright © 2020 Giacomo Leidi <goodoldpaul@autistici.org>
;;;
;;; This file is part of GNU Guix.
;;;
@ -1844,3 +1845,58 @@ (define-public sng
SNG is implemented by a compiler/decompiler called sng that
losslessly translates between SNG and PNG.")
(license license:zlib)))
(define-public lodepng
;; There are no tags in the repository, so we take the version as defined in
;; lodepng.cpp.
(let ((commit "48e5364ef48ec2408f44c727657ac1b6703185f8")
(revision "1")
(version "20200215"))
(package
(name "lodepng")
(version (git-version version revision commit))
(source (origin
(method git-fetch)
(uri (git-reference
(url "https://github.com/lvandeve/lodepng")
(commit commit)))
(sha256
(base32
"1a1x8ag2scanzb2066jm9hg2y9kaa3wmpgmz10l1x9bkpik612lw"))
(file-name (git-file-name name version))))
(build-system gnu-build-system)
(arguments
'(#:phases
(modify-phases %standard-phases
(delete 'configure)
(replace 'build
(lambda _
(setenv "CXXFLAGS" "-fPIC")
(invoke "make" "lodepng.o")
(invoke "make" "lodepng_util.o")
(invoke "g++" "-fPIC" "-O3"
"-o" "liblodepng.so"
"-shared" "lodepng.o" "lodepng_util.o")
#t))
(replace 'check
(lambda _
(invoke "make" "unittest")
(invoke "./unittest")
#t))
(replace 'install
(lambda* (#:key outputs #:allow-other-keys)
(let* ((out (assoc-ref outputs "out"))
(doc (string-append out "/share/doc"))
(lib (string-append out "/lib"))
(include (string-append out "/include")))
(install-file "lodepng.h" include)
(install-file "lodepng_util.h" include)
(install-file "liblodepng.so" lib)
(install-file "README.md" doc)
#t))))))
(home-page "https://lodev.org/lodepng/")
(synopsis "PNG encoder and decoder in C and C++, without dependencies")
(description "LodePNG is a PNG image decoder and encoder, all in one,
no dependency or linkage required. It's made for C (ISO C90), and has a C++
wrapper with a more convenient interface on top.")
(license license:zlib))))