diff --git a/parser/parser.py b/parser/parser.py
index 30f657f..b16dfc2 100644
--- a/parser/parser.py
+++ b/parser/parser.py
@@ -97,6 +97,18 @@ def merge_meta(idl: dict, meta_path: Path) -> dict:
     return idl
 
 
+# The optional families MobilityDB's ``ALL=ON`` build enables, each defining a
+# ``-D<FAMILY>=1`` compile flag. Mirror that build here so declarations guarded
+# by ``#if <FAMILY>`` in the core headers (e.g. ``#if POINTCLOUD`` around
+# ``meos_initialize_pointcloud`` in meos.h) enter the catalog — the family
+# headers themselves are unguarded, but a handful of core-header declarations
+# are gated. Kept in sync with MobilityDB CMakeLists.txt's ``if(ALL) foreach``.
+_ALL_FAMILIES = (
+    "ARROW", "CBUFFER", "H3", "JSON", "NPOINT", "POINTCLOUD", "POSE",
+    "QUADBIN", "RASTER", "RGEO",
+)
+
+
 def parse_meos(entry: Path, include_dir: Path) -> dict:
     index = clang.cindex.Index.create()
     tu = index.parse(str(entry), args=[
@@ -110,6 +122,7 @@ def parse_meos(entry: Path, include_dir: Path) -> dict:
         # it, and an undefined ``UNUSED`` makes clang error on the declarator and
         # silently drop the remaining parameters of that prototype.
         "-DUNUSED=__attribute__((unused))",
+        *(f"-D{family}=1" for family in _ALL_FAMILIES),
     ] + _clang_extra_args(),
         # Record ``#define`` macro definitions as cursors so the public
         # object-like integer macros (WKB / WKT variant flags, ``MEOS_FLAG_*``)