contribs: Add MLT

contribs/src/mlt/rules.mak

+MLT_VERSION := master
+MLT_URL := https://github.com/mltframework/mlt.git
+
+PKGS += mlt
+ifeq ($(call need_pkg,"mltframework"),)
+PKGS_FOUND += mlt
+endif
+
+DEPS_mlt += ffmpeg iconv sdl
+
+ifdef HAVE_WIN32
+MLT_CONFIG=--target-os=mingw
+endif
+
+$(TARBALLS)/mlt-$(MLT_VERSION).tar.xz:
+	$(call download_git,$(MLT_URL),,$(MLT_VERSION))
+
+mlt: mlt-$(MLT_VERSION).tar.xz
+	$(UNPACK)
+	$(MOVE)
+
+.mlt: mlt
+	cd $< && $(HOSTVARS) ./configure $(HOSTCONF) $(MLT_CONFIG)
+	cd $< && $(MAKE) && $(MAKE) install
+	touch $@