docker/fedora: use the meson subprojects cmd to download subprojects

Introduced in 0.49.0 so we can avoid the need to configure in
order to cache the subproejct repos.

diff --git a/docker/fedora/prepare.sh b/docker/fedora/prepare.sh
index 491ddc2..245465b 100644 (file)
--- a/docker/fedora/prepare.sh
+++ b/docker/fedora/prepare.sh
@@ -171,4 +171,6 @@ dnf remove -y "gstreamer1*devel"
 
 # get gst-build and make all subprojects available
 git clone git://anongit.freedesktop.org/gstreamer/gst-build /gst-build/
-cd /gst-build && meson build/ && rm -rf build/
\ No newline at end of file
+cd /gst-build
+meson subprojects download
+