bug#47964: webkitgtk-2.32.0 build fails

[Tobias Geerinckx-Rice]

Leo,

Leo Famulari 写道：
> It's unusual that a program requires multithreaded compilation, 
> but I
> wonder if we can add a property to the package definition to 
> require at
> least 2 threads when building.

That's a great idea, although I'm not keen on .*using properties 
for it.

How about this?

Kind regards,

T G-R

From a9ef0c78c6aa60ab49f6fcf4fc6b43afdb6f0183 Mon Sep 17 00:00:00 2001
From: Tobias Geerinckx-Rice <me@tobias.gr>
Date: Mon, 26 Apr 2021 18:39:58 +0200
Subject: [PATCH] gnu: webkitgtk: Always use at least 2 make jobs.

Fixes <http://issues.guix.gnu.org/47964>.

* gnu/packages/webkit.scm (webkitgtk)[arguments]: Use at least -j2.
---
 gnu/packages/webkit.scm | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/gnu/packages/webkit.scm b/gnu/packages/webkit.scm
index 083c8ccb08..74ffe92b84 100644
--- a/gnu/packages/webkit.scm
+++ b/gnu/packages/webkit.scm
@@ -260,6 +260,9 @@ acceleration in mind, leveraging common 3D graphics APIs 
for best performance.")
                           ;; now, we explicitly disable it to prevent an error
                           ;; at configuration time.
                           "-DUSE_GSTREAMER_GL=OFF")
+       #:make-flags
+       ;; Never build with unsupported -j1: https://issues.guix.gnu.org/47964#5
+       (list "-j" (number->string (max 2 (parallel-job-count))))
        #:phases
        (modify-phases %standard-phases
          (add-after 'unpack 'configure-bubblewrap-store-directory
-- 
2.31.1

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