This might just work.

Author: ryanskeith

tests/test-recipes/metadata/cdt_linking/conda_build_config.yaml

@@ -1,2 +1,2 @@
 cdt_name:          # [linux]
-  - el8            # [linux]
+  - cos7            # [linux]

tests/test-recipes/metadata/cdt_linking/meta.yaml

@@ -10,7 +10,17 @@ build:
 requirements:
   build:
     - {{ compiler('c') }}
-    - {{ cdt('libx11-devel') }}
+    - pkg-config
     - {{ cdt('libxcb') }}
+    - {{ cdt('libselinux-devel') }}
+    - {{ cdt('libxi-devel') }}
+    - {{ cdt('libx11-devel') }}
+    - {{ cdt('libxau-devel') }}
+    - {{ cdt('libxext-devel') }}
+    - {{ cdt('libxfixes-devel') }}
+    - {{ cdt('mesa-libgl-devel') }}
     - {{ cdt('xorg-x11-proto-devel') }}
+    - {{ cdt('mesa-dri-drivers') }}
+    - {{ cdt('libxdamage-devel') }}
+    - {{ cdt('libxxf86vm') }}
     - expat