1 files changed, 82 insertions, 0 deletions
diff --git a/Mk/Uses/ocaml.mk b/Mk/Uses/ocaml.mk
new file mode 100644
index 000000000000..666c29078c19
--- /dev/null
+++ b/Mk/Uses/ocaml.mk
@@ -0,0 +1,82 @@
+# Provide support to use the Dune package builder for OCaml
+#
+# Feature:		ocaml
+# Usage:		USES=ocaml:dune
+#			USE_OCAML=yes
+#
+# Variables that may be set by the port:
+#
+#  OCAML_PACKAGES	List of packages to build and install, defaults to PORTNAME
+#
+#  USE_OCAML_LDCONFIG	Dune may install stublibs in site-lib package directory(ies)
+#  OCAML_LDLIBS		or in a single directory below DUNE_LIBDIR.
+#
+# Appends to: BUILD_DEPENDS, MAKE_ENV
+#
+# MAINTAINER: freebsd@dev.thsi.be
+
+.if !defined(_INCLUDE_USES_OCAML_MK)
+_INCLUDE_USES_OCAML_MK=	yes
+
+.  if empty(ocaml_ARGS:Mdune)
+IGNORE=	Incorrect 'USES+= ocaml:${ocaml_ARGS}' ocaml requires a single 'dune' argument (for now)
+.  endif
+
+.  if !defined(OCAML_include)
+.error USES=dune only works with USE_OCAML=yes
+.  endif
+
+#
+# Dune builder port
+#
+DUNE_PORT?=		devel/ocaml-dune
+DUNE_DEPEND?=		ocaml-dune>=3.7.1_2:devel/ocaml-dune
+
+BUILD_DEPENDS+=		${DUNE_DEPEND}
+
+DUNE_ARGS=		--display=short --always-show-command-line \
+			--no-config -j ${MAKE_JOBS_NUMBER} --profile release \
+			--root=${DUNE_ROOT} --build-dir=${DUNE_BUILD_DIR} \
+			--promote-install-files --ignore-promoted-rules \
+			--default-target @install --require-dune-project-file \
+			--only-packages=${OCAML_PACKAGES:ts,}
+DUNE_BUILD_ARGS?=
+DUNE_BUILD_DIR?=	_build
+DUNE_CMD?=		dune
+DUNE_INSTALL_ARGS?=	--prefix=${PREFIX} \
+			--libdir=${PREFIX}/${OCAML_SITELIBDIR} \
+			--docdir=${OCAML_DOCSDIR} --destdir=${STAGEDIR}
+DUNE_INSTALL_TARGETS?=
+DUNE_LIBDIR?=		${OCAML_SITELIBDIR}
+OCAML_PACKAGES?=		${PORTNAME}
+DUNE_ROOT?=		.
+
+.  if USE_OCAML_LDCONFIG
+.    if !empty(OCAML_LDLIBS)
+.      if ${OCAML_LDLIBS:[#]} > 1
+.        for _l in ${OCAML_LDLIBS}
+.          if empty(OCAML_PACKAGES:M${_l:T}) || "${_l:H}" != "${DUNE_LIBDIR}"
+IGNORE+= OCAML_LDLIBS member ${_l} should match a OCAML_PACKAGES
+.          endif
+.        endfor
+DUNE_ENV+=	DUNE_FREEBSD_STUBLIBS_IN_PACKAGE=
+.      else
+DUNE_ENV+=	DUNE_FREEBSD_STUBLIBS_RELATIVE_TO_LIBDIR=${OCAML_LDLIBS:S/${DUNE_LIBDIR}\///}
+.      endif
+.    else
+DUNE_ENV+=	DUNE_FREEBSD_STUBLIBS_RELATIVE_TO_LIBDIR=${OCAML_PACKAGES:[1]}
+.    endif
+.  endif
+
+# left empty for default @install target
+ALL_TARGET?=	
+MAKE_ENV+=	${DUNE_ENV}
+
+DO_MAKE_BUILD?=	${SETENVI} ${WRK_ENV} ${MAKE_ENV} ${DUNE_CMD} build ${DUNE_ARGS} ${DUNE_BUILD_ARGS}
+
+.  if !target(do-install) && !defined(NO_INSTALL)
+do-install:
+	@(cd ${INSTALL_WRKSRC} && ${SETENV} ${WRK_ENV} ${MAKE_ENV} ${FAKEROOT} ${DUNE_CMD} install ${DUNE_ARGS} ${DUNE_INSTALL_ARGS} ${DUNE_INSTALL_TARGETS})
+.  endif
+
+.endif