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-rw-r--r--gnu/packages/compression.scm16
1 files changed, 16 insertions, 0 deletions
diff --git a/gnu/packages/compression.scm b/gnu/packages/compression.scm
index 82b93e23b2..223283eeb4 100644
--- a/gnu/packages/compression.scm
+++ b/gnu/packages/compression.scm
@@ -103,6 +103,7 @@
(define-public zlib
(package
(name "zlib")
+ (replacement zlib-1.2.12)
(version "1.2.11")
(source
(origin
@@ -164,6 +165,21 @@ independent of the input data and can be reduced, if necessary, at some cost
in compression.")
(license license:zlib)))
+(define-public zlib-1.2.12
+ (package
+ (inherit zlib)
+ (version "1.2.12")
+ (source
+ (origin
+ (method url-fetch)
+ (uri (list (string-append "http://zlib.net/zlib-"
+ version ".tar.gz")
+ (string-append "mirror://sourceforge/libpng/zlib/"
+ version "/zlib-" version ".tar.gz")))
+ (sha256
+ (base32
+ "1n9na4fq4wagw1nzsfjr6wyly960jfa94460ncbf6p1fac44i14i"))))))
+
(define-public minizip
(package
(name "minizip")