gitlab-ci: Install meson dependencies for meson building

.gitlab-ci/ubuntu_install.sh

@@ -11,14 +11,21 @@ apt-get update
 apt-get install -y --no-remove --no-install-recommends \
     autoconf \
     automake \
-    pkg-config \
-    libtool \
-    libxext-dev \
-    libx11-dev \
-    x11proto-gl-dev \
-    python3 \
-    xvfb \
     gcc-multilib \
+    libtool \
+    libx11-dev \
+    libx11-dev:i386 \
+    libxext-dev \
     libxext-dev:i386 \
-    libx11-dev:i386
+    ninja-build \
+    pkg-config \
+    pkg-config-i686-linux-gnu \
+    python3 \
+    python3-pip \
+    python3-setuptools \
+    python3-wheel \
+    x11proto-gl-dev \
+    xvfb
 
+# We need a version of meson later than the 0.45 in ubuntu 18.04
+pip3 install meson