03/12: gnu: Add meson 0.55.1.

[guix-commits]

civodul pushed a commit to branch master
in repository guix.

commit ae286b58c85395e9a3cea813eff00d4ca3cdffae
Author: Alexandros Theodotou <alex@zrythm.org>
AuthorDate: Fri Sep 11 17:27:56 2020 +0100

    gnu: Add meson 0.55.1.
    
    * gnu/packages/build-tools.scm (meson-0.55): New variable.
    
    Co-authored-by: Ludovic Courtès <ludo@gnu.org>
---
 gnu/packages/build-tools.scm | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/gnu/packages/build-tools.scm b/gnu/packages/build-tools.scm
index 7213c1b..32e8f4c 100644
--- a/gnu/packages/build-tools.scm
+++ b/gnu/packages/build-tools.scm
@@ -211,6 +211,21 @@ files}, are written in a custom domain-specific language 
(@dfn{DSL}) that
 resembles Python.")
     (license license:asl2.0)))
 
+;; Added temporarily for packages that need it.
+;; TODO: Remove when core-updates is merged.
+(define-public meson-0.55
+  (package
+    (inherit meson)
+    (version "0.55.1")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "https://github.com/mesonbuild/meson/";
+                                  "releases/download/" version  "/meson-"
+                                  version ".tar.gz"))
+              (sha256
+               (base32
+                "1070kjiirxxdfppmrhi3wsc6rykay1zlciqrzayjhjg0hkw42mrv"))))))
+
 (define-public meson-for-build
   (package
     (inherit meson)