[gtk/ebassi/gtk3-ci-update] meson: Require a more recent version

[Emmanuele Bassi <ebassi src gnome org>]

commit f08e1139fc9a1108170de0060ebbecb665af16dc
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Fri Dec 10 17:59:53 2021 +0000

    meson: Require a more recent version
    
    We require Meson 0.48, which is borderline prehistoric, but in our CI
    pipeline we use 0.49.
    
    Let's use a version of Meson that has been released in more recent
    times, without necessarily going to bleeding edge territory.

 .gitlab-ci/test-docker-meson.sh | 2 +-
 docs/reference/meson.build      | 6 +++---
 gdk/wayland/meson.build         | 2 +-
 gtk/meson.build                 | 2 +-
 meson.build                     | 4 ++--
 5 files changed, 8 insertions(+), 8 deletions(-)
---
diff --git a/.gitlab-ci/test-docker-meson.sh b/.gitlab-ci/test-docker-meson.sh
index a116839a9d..bb9dbfb311 100755
--- a/.gitlab-ci/test-docker-meson.sh
+++ b/.gitlab-ci/test-docker-meson.sh
@@ -7,7 +7,7 @@ export CCACHE_BASEDIR="$(pwd)"
 export CCACHE_DIR="${CCACHE_BASEDIR}/_ccache"
 
 export PATH="${HOME}/.local/bin:${PATH}"
-python3 -m pip install --user meson==0.49.2
+python3 -m pip install --user meson==0.56.2
 
 meson \
     -Dinstalled_tests=true \
diff --git a/docs/reference/meson.build b/docs/reference/meson.build
index 2e28fba4a8..d8c6fa9b5d 100644
--- a/docs/reference/meson.build
+++ b/docs/reference/meson.build
@@ -1,11 +1,11 @@
 if get_option('gtk_doc')
-    glib_prefix = dependency('glib-2.0').get_pkgconfig_variable('prefix')
+    glib_prefix = dependency('glib-2.0').get_variable(pkgconfig: 'prefix')
     glib_docpath = join_paths(glib_prefix, 'share', 'gtk-doc', 'html')
 
-    cairo_prefix = dependency('cairo-gobject').get_pkgconfig_variable('prefix')
+    cairo_prefix = dependency('cairo-gobject').get_variable(pkgconfig: 'prefix')
     cairo_docpath = join_paths(cairo_prefix, 'share', 'gtk-doc', 'html', 'cairo')
 
-    gdkpixbuf_prefix = dependency('gdk-pixbuf-2.0').get_pkgconfig_variable('prefix')
+    gdkpixbuf_prefix = dependency('gdk-pixbuf-2.0').get_variable(pkgconfig: 'prefix')
     gdkpixbuf_docpath = join_paths(gdkpixbuf_prefix, 'share', 'gtk-doc', 'html', 'gdk-pixbuf')
 
     docpath = join_paths(gtk_datadir, 'gtk-doc', 'html')
diff --git a/gdk/wayland/meson.build b/gdk/wayland/meson.build
index e66afd7f95..25adcd0b76 100644
--- a/gdk/wayland/meson.build
+++ b/gdk/wayland/meson.build
@@ -36,7 +36,7 @@ gdk_wayland_deps = [
 ]
 
 # wayland protocols
-proto_dir = dependency('wayland-protocols').get_pkgconfig_variable('pkgdatadir')
+proto_dir = dependency('wayland-protocols').get_variable(pkgconfig: 'pkgdatadir')
 assert(proto_dir != '', 'Could not get pkgdatadir from wayland-protocols.pc')
 
 wayland_scanner = find_program('wayland-scanner')
diff --git a/gtk/meson.build b/gtk/meson.build
index 9754686cca..7a5f5e5b87 100644
--- a/gtk/meson.build
+++ b/gtk/meson.build
@@ -847,7 +847,7 @@ gtk_deps = [
 ]
 
 if x11_enabled
-  x11_data_prefix = dependency('x11').get_pkgconfig_variable('prefix')
+  x11_data_prefix = dependency('x11').get_variable(pkgconfig: 'prefix')
 
   gtk_cargs += [ '-DX11_DATA_PREFIX="@0@"'.format(x11_data_prefix), ]
   gtk_sources += gtk_use_x11_sources
diff --git a/meson.build b/meson.build
index 82123e7a61..8c8b722d0e 100644
--- a/meson.build
+++ b/meson.build
@@ -4,7 +4,7 @@ project('gtk+-3.0', 'c',
           'buildtype=debugoptimized',
           'warning_level=1'
         ],
-        meson_version : '>= 0.48.0',
+        meson_version : '>= 0.56.2',
         license: 'LGPLv2.1+')
 
 glib_major_req = 2
@@ -494,7 +494,7 @@ if tracker3_enabled
 endif
 
 if iso_codes_dep.found()
-  cdata.set_quoted('ISO_CODES_PREFIX', iso_codes_dep.get_pkgconfig_variable('prefix'))
+  cdata.set_quoted('ISO_CODES_PREFIX', iso_codes_dep.get_variable(pkgconfig: 'prefix'))
 else
   cdata.set_quoted('ISO_CODES_PREFIX', get_option('prefix'))
 endif