update: more PKG_UPDATE updates, added update-octaveforge target * src/libxml++.mk, src/libxml2.mk, src/libxshmfence.mk, src/libxslt.mk, src/llvm.mk, src/mingwrt.mk, src/msys-libcrypt.mk, src/msys-libopenssl.mk, src/muparser.mk, rc/nsis.mk: update PKG_UPDATE rule * src/of-actuarial.mk, src/of-communications.mk, src/of-control.mk, src/of-data-smoothing.mk, src/of-database.mk, src/of-dataframe.mk, src/of-dicom.mk, src/of-financial.mk, src/of-fits.mk, src/of-fl-core.mk, src/of-fuzzy-logic-toolkit.mk, src/of-ga.mk, src/of-ga.mk, src/of-general.mk, src/of-generate_html.mk, src/of-geometry.mk, src/of-gsl.mk, src/of-image.mk, src/of-instrument-control.mk, src/of-interval.mk, src/of-io.mk, src/of-linear-algebra.mk, src/of-lssa.mk, src/of-ltfat.mk, src/of-mapping.mk, src/of-miscellaneous.mk, src/of-nan.mk, src/of-netcdf.mk, src/of-nurbs.mk, src/of-ocs.mk, src/of-octcdf.mk, src/of-odepkg.mk, src/of-optim.mk, src/of-quaternion.mk, src/of-signal.mk, src/of-sockets.mk, src/of-sparsersb.mk, src/of-specfun.mk, src/of-splines.mk, src/of-statistics.mk, src/of-stk.mk, src/of-strings.mk, src/of-struct.mk, src/of-tisean.mk, src/of-tsa.mk, src/of-video.mk, src/of-windows.mk, src/of-zeromq.mk, src/of-queueing.mk, : use $(OCTAVE_FORGE_PKG_UPDATE) * Makefile.in: added OCTAVE_FORGE_PKG_UPDATE macro, added update-octaveforge target

--- a/Makefile.in	Wed Nov 22 08:16:51 2017 -0500
+++ b/Makefile.in	Wed Nov 22 15:26:02 2017 -0500
@@ -759,6 +759,12 @@
 endef
 endif
 
+define OCTAVE_FORGE_PKG_UPDATE
+    $(WGET) -q -O- 'https://sourceforge.net/projects/octave/files/Octave%20Forge%20Packages/Individual%20Package%20Releases/' | \
+    $(SED) -n 's,.*title="$(subst of-,,$(PKG))-\([0-9][^"]*\).tar.gz".*,\1,p' | \
+    head -1
+endef
+
 define PKG_RULE
 .PHONY: download-$(1)
 download-$(1): $(addprefix download-,$($(1)_DEPS))
@@ -883,6 +889,10 @@
 update:
 	$(foreach PKG,$(PKGS),$(call UPDATE,$(PKG),$(shell $($(PKG)_UPDATE))))
 
+.PHONY: update-octaveforge
+update-octaveforge:
+	$(foreach PKG,$(OCTAVE_FORGE_PACKAGES),$(call UPDATE,$(PKG),$(shell $($(PKG)_UPDATE))))
+
 update-checksum-%:
 	$(call DOWNLOAD_PKG_ARCHIVE,$*)
 	$(SED) -i 's/^\([^ ]*_CHECKSUM *:=\).*/\1 '"`$(call PKG_CHECKSUM,$*)`"'/' '$(TOP_DIR)/src/$*.mk'