diff --git a/x11-toolkits/ntk/Makefile b/x11-toolkits/ntk/Makefile
index bb5f7a89ac20..24f1159e465c 100644
--- a/x11-toolkits/ntk/Makefile
+++ b/x11-toolkits/ntk/Makefile
@@ -1,51 +1,57 @@
 PORTNAME=	ntk
 DISTVERSIONPREFIX=	v
 DISTVERSION=	1.3.1001
 PORTREVISION=	1
 MASTER_SITES=	https://git.kx.studio/non/ntk/archive/${DISTVERSIONFULL}${EXTRACT_SUFX}?dummy=/ # was at GH_ACCOUNT=original-male
 CATEGORIES=	x11-toolkits
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Fork of FLTK 1.3.0 which adds graphics rendering via Cairo, etc
 WWW=		https://github.com/original-male/ntk
 
 LICENSE=	LGPL20
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 LIB_DEPENDS=	libfontconfig.so:x11-fonts/fontconfig \
 		libfreetype.so:print/freetype2 \
 		libpng.so:graphics/png
 
 USES=		gnome jpeg localbase:ldflags pkgconfig waf xorg
 USE_CXXSTD=	c++14
 USE_GNOME=	cairo
 USE_XORG=	x11 xft
 USE_LDCONFIG=	yes
 
 WRKSRC=		${WRKDIR}/${PORTNAME}
 
 PLIST_SUB=	SHLIB_VER=${PORTVERSION:R}
 
+# The bundled waf's waflib still imports the 'imp' module removed in
+# Python 3.12.  Provide a minimal shim on PYTHONPATH so waflib can be
+# imported on 3.12 while still working on earlier versions.
+CONFIGURE_ENV+=	PYTHONPATH=${FILESDIR}${PYTHONPATH:S/^/:/}
+MAKE_ENV+=		PYTHONPATH=${FILESDIR}${PYTHONPATH:S/^/:/}
+
 post-patch:
 	@${REINPLACE_CMD} -e " \
 		s|conf\.env\['LIB_DL'\] = \['dl'\]|conf.env['LIB_DL'] = []|; \
 		s|bld.add_post_fun( run_ldconfig )|#bld.add_post_fun( run_ldconfig )|" \
 		${WRKSRC}/wscript
 
 post-install:
 	# Removing items that are there by mistake: https://github.com/original-male/ntk/issues/13
 	@${REINPLACE_CMD} -e ' \
 		/^Requires.*/d; \
 		s| -lglu||; \
 		s| -lgl||; \
 		s| -D_LARGEFILE64_SOURCE||; \
 		s| -D_FILE_OFFSET_BITS=64||' \
 		${STAGEDIR}${PREFIX}/libdata/pkgconfig/ntk*.pc
 	@${RM} ${STAGEDIR}${PREFIX}/lib/libntk*.a* # https://github.com/original-male/ntk/issues/12
 	@${STRIP_CMD} \
 		${STAGEDIR}${PREFIX}/bin/ntk-chtheme \
 		${STAGEDIR}${PREFIX}/bin/ntk-fluid \
 		${STAGEDIR}${PREFIX}/lib/libntk.so.${PORTVERSION} \
 		${STAGEDIR}${PREFIX}/lib/libntk_images.so.${PORTVERSION}
 
 .include <bsd.port.mk>
diff --git a/x11-toolkits/ntk/files/imp.py b/x11-toolkits/ntk/files/imp.py
new file mode 100644
index 000000000000..f4a62aa67164
--- /dev/null
+++ b/x11-toolkits/ntk/files/imp.py
@@ -0,0 +1,48 @@
+"""Compatibility shim for the 'imp' module removed in Python 3.12.
+
+The bundled waf waflib still imports imp; on Python 3.12 we provide the
+few attributes that waflib uses (new_module, get_tag, load_source).
+On older versions we re-export the real built-in imp module.
+"""
+
+import importlib.util
+import sys
+import types
+
+
+def _provide_shim():
+    def new_module(name):
+        return types.ModuleType(name)
+
+    def get_tag():
+        return sys.implementation.cache_tag
+
+    def load_source(name, pathname):
+        spec = importlib.util.spec_from_file_location(name, pathname)
+        if spec is None or spec.loader is None:
+            raise ImportError("cannot load %r from %r" % (name, pathname))
+        mod = importlib.util.module_from_spec(spec)
+        spec.loader.exec_module(mod)
+        return mod
+
+    globals().update({
+        'new_module': new_module,
+        'get_tag': get_tag,
+        'load_source': load_source,
+    })
+
+
+if sys.version_info < (3, 12):
+    # Re-export the real built-in imp module instead of shadowing it.
+    _shim = sys.modules['imp']
+    del sys.modules['imp']
+    try:
+        import imp as _real_imp
+    except Exception:
+        _provide_shim()
+        sys.modules['imp'] = sys.modules.get('imp', _shim)
+    else:
+        globals().update(_real_imp.__dict__)
+        sys.modules['imp'] = _real_imp
+else:
+    _provide_shim()