diff --git a/kernel/meson.build b/kernel/meson.build
index d6c418b7c..3686efeb4 100644
--- a/kernel/meson.build
+++ b/kernel/meson.build
@@ -322,6 +322,7 @@ base_kops = [
       },
     },
   },
+  # TODO: Handle the i*amax style
   {'base': 'axpby',
    'modes': {'s': {'dir': 'arm', 'kernel': 'axpby.c', 'exts': ['_k']},
              'd': {'dir': 'arm', 'kernel': 'axpby.c', 'exts': ['_k']},
diff --git a/meson.build b/meson.build
index 7a2578259..af02d14b7 100644
--- a/meson.build
+++ b/meson.build
@@ -251,6 +251,15 @@ else
   endif
 endif
 
+# Common maps
+precision_mappings = {
+    's': {'undef': ['COMPLEX', 'DOUBLE'], 'def': []},
+    'd': {'undef': ['COMPLEX'], 'def': ['DOUBLE']},
+    'q': {'undef': ['COMPLEX'], 'def': ['XDOUBLE']},
+    'c': {'undef': ['DOUBLE'], 'def': ['COMPLEX']},
+    'z': {'undef': [], 'def': ['COMPLEX', 'DOUBLE']},
+    'x': {'undef': [], 'def': ['COMPLEX', 'XDOUBLE']},
+}
 
 # Ignoring other hostarch checks and conflicts for arch in BSD for now
 _inc = include_directories('.')