[PATCH 3/5] gnu: Add libpepadapter.

+++ b/gnu/packages/pep.scm

+

+(define-public libpepadapter

+  (package

+    (name "libpepadapter")

+    (version "2.0.2")

+    (source

+     (origin

+       (method hg-fetch)

+       (uri (hg-reference

+             (url "https://pep.foundation/dev/repos/libpEpAdapter")

+             (changeset "e8fe371c870a"))) ;; r168

+       (file-name (string-append name "-" version "-checkout"))

+       (sha256

+        (base32 "1mlpavjbnmslvmr5jxcvpjgb2x40nhmxjb10hza3kn4qzj0k1pjz"))))

+    (build-system gnu-build-system)

+    (arguments

+     '(#:test-target "test"

+       #:tests? #f ;; building the tests fails

+       #:phases

+       (modify-phases %standard-phases

+         (replace 'configure

+           ;; libpEpAdapter does not use autotools and configure,

+           ;; but a local.conf. We need to tweak the values there.

+           (lambda* (#:key inputs outputs #:allow-other-keys)

+             (let ((out (assoc-ref outputs "out"))

+                   (engine (assoc-ref inputs "pep-engine")))

+               (with-output-to-file "local.conf"

+                 (lambda _ ;()

+                   (format #t "

+PREFIX=~a

+ENGINE_LIB_PATH=~a/lib

+ENGINE_INC_PATH=~a/include

+" out engine engine))))

+             #t)))))

+    (inputs

+     `(("pep-engine" ,pep-engine)))

+    (home-page "https://pep.foundation/")

+    (synopsis "Library for building p≡p adapters")

+    (description "This C++ library provides common structures used in p≡p

+adapters.")

+    (license license:bsd-3)))