x11/ocaml-lablgtk3: Improve kludge comments

NFCI

Author: gdt

x11/ocaml-lablgtk3/Makefile

@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.34 2024/11/24 14:32:49 gdt Exp $
+# $NetBSD: Makefile,v 1.35 2024/11/24 14:45:32 gdt Exp $
 
 GITHUB_PROJECT=	lablgtk
 GITHUB_TAG=	${VERSION}
@@ -21,10 +21,10 @@ OCAML_FINDLIB_DIRS=	lablgtk3
 OPAM_INSTALL_FILES=	${OCAML_FINDLIB_DIRS}
 DUNE_BUILD_PACKAGES=	${OCAML_FINDLIB_DIRS}
 
-# Undo the wrapper, in the hope that dune finds real pkg-config.  Does not help.
-no-pkgconfig-wrapper:
-	${RM} ${WRKDIR}/.tools/bin/pkg-config
-	${CP} ${PREFIX}/bin/pkg-config ${WRKDIR}/.tools/bin/pkg-config
+## BEGIN DUNE/PKG-CONFIG KLUDGES
+
+# See the dune sources, otherlibs/configurator/src/v1.ml and look for
+# pkg-config and "which", if trying to understand why this fails.
 
 # dune tries to run pkg-config, and this fails under pkgsrc for some reason.
 # But when run in pre-configure, it seems to be ok.
@@ -33,6 +33,11 @@ test-dune-config:
 	(cd ${WRKSRC} && \
 		dune exec -- ./_build/default/.bin/dune_config -verbose -pkg gtk+-3.0 -version 3.18) || ${TRUE}
 
+# Undo the wrapper, in the hope that dune finds real pkg-config.  Does not help.
+no-pkgconfig-wrapper:
+	${RM} ${WRKDIR}/.tools/bin/pkg-config
+	${CP} ${PREFIX}/bin/pkg-config ${WRKDIR}/.tools/bin/pkg-config
+
 # This is a huge hack, to undefine PKG_CONFIG in the environment,
 # which apparently breaks dune's searching for pkg-config.  Copied
 # from ocaml/ocaml.mk, to where it should perhaps be hoisted.
@@ -43,6 +48,8 @@ do-build:
 		${DUNE_BUILD_FLAGS} -p ${DUNE_BUILD_PACKAGES:ts,} \
 		${DUNE_BUILD_TARGETS}
 
+## END DUNE/PKG-CONFIG KLUDGES
+
 .include "../../lang/ocaml/ocaml.mk"
 
 .include "options.mk"