made library dependencies more dynamic

switched to absolute paths

templates/Makefile

@@ -1,13 +1,13 @@
-build_dir = ../build
-library_dir = ../library
-propers_dir = ../propers
-config_dir = ../config
-tex_deps = *.tt $(library_dir)/*/*/*.tt $(propers_dir)/*.tt $(config_dir)/song_choices.csv $(config_dir)/variables.tt
+tpage_defs = --define config_dir=$(config_dir) --define library_dir=$(library_dir) --define propers_dir=$(propers_dir)
+tpage = tpage $(tpage_defs)
+tex_deps = *.tt $(config_dir)/variables.tt $(dynamic_deps)
 songsheet.tex: songsheet.tt $(tex_deps) header.tt head.tt footer.tt
-	tpage $< > $(build_dir)/$@
+	$(tpage) $< > $(build_dir)/$@
 musician_scores.tex: musician_scores.tt $(tex_deps)
-	tpage $< > $(build_dir)/$@
+	$(tpage) $< > $(build_dir)/$@
 leadsheet_collection.tex: musician_scores.tt $(tex_deps)
-	tpage --define parts=band $< > $(build_dir)/$@
+	$(tpage) --define parts=band $< > $(build_dir)/$@
 choir_scores.tex: musician_scores.tt $(tex_deps)
-	tpage --define parts=SATB $< > $(build_dir)/$@
+	$(tpage) --define parts=SATB $< > $(build_dir)/$@
+$(build_dir)/dynamic_deps.mk: dynamic_deps.mk.tt $(song_choices) $(user_variables)
+	$(tpage) $< > $@

templates/dynamic_deps.mk.tt

@@ -0,0 +1,11 @@
+dynamic_deps = [% PROCESS variables.tt;
+USE song_choices = datafile("${config_dir}/song_choices.csv", delim= '|');
+FOREACH song = song_choices;
+    IF song.variables != '';
+        GET "${library_dir}/${song.variables}/* ";
+    END;
+END;
+IF proper != '';
+    GET "${propers_dir}/${proper}.tt";
+END;
+-%]

templates/songsheet.tt

@@ -1,4 +1,8 @@
-[% PROCESS variables.tt -%]
+[% PROCESS variables.tt;
+    IF proper != '';
+    PROCESS "${propers_dir}/${proper}.tt";
+    END;
+-%]
 [% parts = 0 -%]
 [% INCLUDE header.tt -%]
 \begin{document}

templates/variables.tt

@@ -8,12 +8,5 @@
     small_footer = 0
     lent = 0
     meditations = 0
-    config_dir = '../config'
-    library_dir = '../library'
-    propers_dir = '../propers/'
--%]
-[%  PROCESS "${config_dir}/variables.tt";
-    IF proper != '';
-    PROCESS "${propers_dir}/${proper}.tt";
-    END;
 -%]
+[%  PROCESS "${config_dir}/variables.tt" -%]