lots of langfilter stuff, mostly lántas script

Makefile

@@ -18,6 +18,7 @@ OUTPUTSTYLE = $(patsubst %,$(BUILDDIR)/%,$(STYLE))
 OUTPUT = $(OUTPUTPAGES) $(OUTPUTSTYLE)
 
 LANGFILTER = $(TMPDIR)/langfilter
+LAANTAS_SCRIPT = $(TMPDIR)/laantas-script
 EXECS = $(LANGFILTER)
 
 .PHONY: all
@@ -26,10 +27,12 @@ all: build
 .PHONY: build
 build: $(OUTPUT)
 
-$(BUILDDIR)/%.html: $(PAGESDIR)/%.md $(TEMPLATE) $(LANGFILTER)
+$(BUILDDIR)/%.html: $(PAGESDIR)/%.md $(TEMPLATE) $(LANGFILTER) $(LAANTAS_SCRIPT)
 	mkdir -p $(dir $@)
-	pandoc -s --toc --template $(TEMPLATE) \
-	  --filter $(LANGFILTER) -o $@ $<
+	LAANTAS_SCRIPT="$(LAANTAS_SCRIPT)" \
+	  DIRNAME="$(subst $(PAGESDIR),$(BUILDDIR),$(dir $<))" \
+	  pandoc -s --toc --template $(TEMPLATE) -o $@ $< \
+	    --filter $(LANGFILTER)
 
 $(BUILDDIR)/%: $(PAGESDIR)/%
 	mkdir -p $(dir $@)
@@ -40,14 +43,22 @@ $(BUILDDIR)/%: %
 	cp $< $@
 
 $(LANGFILTER): langfilter/*.hs langfilter/langfilter.cabal
-	cabal build -v0 all
+	cabal build langfilter
 	mkdir -p $(dir $@)
 	find dist-newstyle -name $(notdir $@) \
 	  -print -type f -exec cp {} $(TMPDIR) \;
 
+$(LAANTAS_SCRIPT): laantas-script/*.hs laantas-script/laantas-script.cabal
+	cabal build laantas-script
+	mkdir -p $(dir $@)
+	find dist-newstyle -name $(notdir $@) \
+	  -type f -exec cp {} $(TMPDIR) \;
+
+
 
 .PHONY: clean distclean
 clean:
 	rm -rf $(BUILDDIR)
 distclean: clean
 	rm -rf $(TMPDIR)
+	cabal clean