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-rw-r--r--gnu/packages/maths.scm7
1 files changed, 5 insertions, 2 deletions
diff --git a/gnu/packages/maths.scm b/gnu/packages/maths.scm
index 963fc8fa6a..c10794a089 100644
--- a/gnu/packages/maths.scm
+++ b/gnu/packages/maths.scm
@@ -3740,8 +3740,11 @@ language understood by many solvers.")
(source
(origin
(method url-fetch)
- (uri (string-append "http://mumps.enseeiht.fr/MUMPS_"
- version ".tar.gz"))
+ (uri (list (string-append "http://mumps.enseeiht.fr/MUMPS_"
+ version ".tar.gz")
+ (string-append
+ "https://ftp.mcs.anl.gov/pub/petsc/externalpackages"
+ "/MUMPS_" version ".tar.gz")))
(sha256
(base32
"05gs2i8b76m9flm1826fxpyfnwibjjawbmfza3ylrvj7zaag5gqs"))))