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-rw-r--r--gn/packages/bioinformatics.scm4
-rw-r--r--gn/packages/ocaml.scm27
2 files changed, 30 insertions, 1 deletions
diff --git a/gn/packages/bioinformatics.scm b/gn/packages/bioinformatics.scm
index 8a6de69..2055785 100644
--- a/gn/packages/bioinformatics.scm
+++ b/gn/packages/bioinformatics.scm
@@ -21,6 +21,7 @@
#:use-module (gnu packages)
#:use-module (gn packages crates-io)
#:use-module (gn packages java)
+ #:use-module (gn packages ocaml)
#:use-module (gn packages python)
#:use-module (gn packages twint)
#:use-module (gnu packages algebra)
@@ -2661,6 +2662,7 @@ protein alignments and syntenic genomic alignments.")
(define-public pplacer
(let ((commit "807f6f3"))
+ (build-with-ocaml4.07
(package
(name "pplacer")
;; The commit should be updated with each version change.
@@ -2774,7 +2776,7 @@ reference alignment. Pplacer is designed to be fast, to give useful
information about uncertainty, and to offer advanced visualization and
downstream analysis.")
(home-page "https://matsen.fhcrc.org/pplacer/")
- (license license:gpl3))))
+ (license license:gpl3)))))
(define-public python2-biopython
(python2-package python-biopython))
diff --git a/gn/packages/ocaml.scm b/gn/packages/ocaml.scm
new file mode 100644
index 0000000..4aa2543
--- /dev/null
+++ b/gn/packages/ocaml.scm
@@ -0,0 +1,27 @@
+(define-module (gn packages ocaml)
+ #:use-module (guix packages)
+ #:use-module (guix git-download)
+ #:use-module (guix build-system ocaml)
+ #:use-module (gnu packages)
+ #:use-module (gnu packages ocaml))
+
+;; This is the last version supported by ocaml-4.07.
+(define-public ocaml4.07-lwt-5.5.0
+ (package-with-ocaml4.07
+ (package
+ (inherit ocaml-lwt)
+ (name "ocaml-lwt")
+ (version "5.5.0")
+ (source
+ (origin
+ (method git-fetch)
+ (uri (git-reference
+ (url "https://github.com/ocsigen/lwt")
+ (commit version)))
+ (file-name (git-file-name name version))
+ (sha256 (base32
+ "1jbjz2rsz3j56k8vh5qlmm87hhkr250bs2m3dvpy9vsri8rkzj9z"))))
+ (properties '()))))
+
+(define-public build-with-ocaml4.07
+ (package-input-rewriting/spec `(("ocaml4.07-lwt" . ,(const ocaml4.07-lwt-5.5.0)))))