[bug#48028] [PATCH wip-gnome 2/8] gnu: gtkmm: Change build-system.

[Raghav Gururajan]

Switch to meson-build-system, as its preferred by the project.
Preserve building of documentation.

* gnu/packages/gtk.scm (gtkmm)[build-system]: Change from glib-or-gtk
to meson.
[configure-flags](build-documentation): New flag.
---
 gnu/packages/gtk.scm | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/gnu/packages/gtk.scm b/gnu/packages/gtk.scm
index 81ac4a7197..a7e387a47d 100644
--- a/gnu/packages/gtk.scm
+++ b/gnu/packages/gtk.scm
@@ -1606,10 +1606,12 @@ library.")
                        name "-" version ".tar.xz"))
        (sha256
         (base32 "0hv7pviln4cpjvpz7m7ga5krcsbibqzixdcn0dwzpz0cx71p3swv"))))
-    (build-system glib-or-gtk-build-system)
+    (build-system meson-build-system)
     (outputs '("out" "doc"))
     (arguments
-     `(#:phases
+     `(#:glib-or-gtk? #t ; To wrap binaries and/or compile schemas
+       #:configure-flags '("-Dbuild-documentation=true")
+       #:phases
        (modify-phases %standard-phases
          (add-before 'check 'pre-check
            (lambda _
-- 
2.31.1