ci: Replace yaml anchor of simple build with a variable

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/4281>

.gitlab-ci.yml

@@ -40,7 +40,6 @@ variables:
   WINDOWS_IMAGE: "$CI_REGISTRY_IMAGE/$WINDOWS_AMD64_SUFFIX:$WINDOWS_TAG-$GST_UPSTREAM_BRANCH"
   WINDOWS_UPSTREAM_IMAGE: "$CI_REGISTRY/$FDO_UPSTREAM_REPO/$WINDOWS_AMD64_SUFFIX:$WINDOWS_TAG-$GST_UPSTREAM_BRANCH"
 
-  MESON_EXTRA_ARGS: ""
   DEFAULT_MESON_ARGS: >
     -Dlibnice:tests=disabled
     -Dlibnice:examples=disabled
@@ -58,6 +57,13 @@ variables:
     -Drs=disabled
     -Dgpl=enabled
 
+  SIMPLE_BUILD: >
+    ${DEFAULT_MESON_ARGS}
+    -Dsharp=enabled
+    -Domx=enabled
+    -Dgst-omx:target=generic
+    -Ddoc=disabled
+
   MESON_GST_WERROR: >
     -Dgstreamer:werror=true
     -Dgst-plugins-base:werror=true
@@ -260,7 +266,7 @@ commitlint:
   - date -R
   - ci/scripts/handle-subprojects-cache.py subprojects/
   - date -R
-  - export ARGS="--default-library=${BUILD_TYPE:-both} -Dgstreamer:gst_debug=${BUILD_GST_DEBUG:-true} $MESON_ARGS"
+  - export ARGS="--default-library=${BUILD_TYPE:-both} -Dgstreamer:gst_debug=${BUILD_GST_DEBUG:-true} ${MESON_ARGS}"
   - |-
     if [ $GST_WERROR == "true" ]; then
       export ARGS="$ARGS $MESON_GST_WERROR"
@@ -305,14 +311,6 @@ commitlint:
   - subprojects/gstreamer-vaapi/**/*
   - subprojects/gst-rtsp-server/**/*
 
-.simple_fedora_build: &simple_build >-
-  ${DEFAULT_MESON_ARGS}
-  -Dsharp=enabled
-  -Domx=enabled
-  -Dgst-omx:target=generic
-  -Ddoc=disabled
-  ${MESON_BUILDTYPE_ARGS}
-
 .build:
   stage: 'build'
   extends:
@@ -325,7 +323,7 @@ commitlint:
   variables:
     BUILD_GST_DEBUG: "true"
     GST_WERROR: "true"
-    MESON_ARGS: "${DEFAULT_MESON_ARGS} ${MESON_EXTRA_ARGS}"
+    MESON_ARGS: "${DEFAULT_MESON_ARGS}"
   script:
     - *build
     - ./gst-env.py gst-inspect-1.0 --version
@@ -355,7 +353,7 @@ commitlint:
     - "fedora amd64 docker"
   variables:
     GST_WERROR: "true"
-    MESON_ARGS: *simple_build
+    MESON_ARGS: "${SIMPLE_BUILD}"
 
   script:
     - *build
@@ -544,7 +542,7 @@ build msys2 :
     - "trigger"
   variables:
     GST_WERROR: "true"
-    MESON_ARGS: *simple_build
+    MESON_ARGS: "${SIMPLE_BUILD}"
 
     # Disable colored output to avoid weird rendering issues
     GST_DEBUG_NO_COLOR: "true"
@@ -607,7 +605,8 @@ integration testsuites fedora:
   extends: '.test fedora x86_64'
   parallel: 8
   variables:
-    MESON_EXTRA_ARGS: >
+    MESON_ARGS: >
+      ${SIMPLE_BUILD}
       -Domx=disabled
       -Dsharp=disabled
       -Dvaapi=disabled
@@ -776,8 +775,11 @@ valgrind ges:
 .documentation:
   extends: '.build fedora x86_64'
   variables:
-    MESON_ARGS: *simple_build
-    MESON_EXTRA_ARGS: "-Ddoc=enabled -Drs=enabled -Dgst-docs:fatal_warnings=true"
+    MESON_ARGS: >
+      ${SIMPLE_BUILD}
+      -Ddoc=enabled
+      -Drs=enabled
+      -Dgst-docs:fatal_warnings=true
     # Disable werror for the docs build, we don't need it
     GST_WERROR: 'false'
     CI_ARTIFACTS_URL: "${CI_PROJECT_URL}/-/jobs/${CI_JOB_ID}/artifacts/raw/"