Attempt to compress/futureproof global Makefile

Makefile

@@ -2,94 +2,58 @@ PY?=python3
 PROXY?=
 BLUE=\033[0;34m
 NC=\033[0m # No Color
+SPHINX_BUILD_OPTIONS = html dirhtml singlehtml epub latex htmlhelp qthelp devhelp applehelp man texinfo text gettext doctest linkcheck xml pseudoxml
+DIR_PREFIX_MAP = \
+	c_:c \
+	cp_:cplusplus \
+	cs_:csharp \
+	fr_:fortran \
+	ja_:java \
+	js_:javascript \
+	lu_:lua \
+	py_:python \
+	rs_:rust
 
 .PHONY: help
 help: LICENSE
 	@echo "This project has a number of recipes that are delegated to other Makefiles. The following jobs are available with no prefix"
-	@echo "  $(BLUE)clean$(NC)"
-	@echo "  $(BLUE)html$(NC)"
-	@echo "  $(BLUE)dirhtml$(NC)"
-	@echo "  $(BLUE)singlehtml$(NC)"
-	@echo "  $(BLUE)epub$(NC)"
-	@echo "  $(BLUE)latex$(NC)"
+	@echo "  $(BLUE)clean$(NC)	Cleans up any stray files"
+	@$(foreach option,$(SPHINX_BUILD_OPTIONS), \
+		echo "  $(BLUE)$(option)$(NC)	Forwarded to sphinx in the docs dir"; \
+	)
+	@echo "All other inputs are redirected to the all_ prefix, which will run it for each language. Note that this may error if the target is not found in all languages"
 	@echo
 	@echo "The following jobs are available under the docs_ prefix"
 	@$(MAKE) docs_help $(MFLAGS) --no-print-directory
 	@echo
-	@echo "The following jobs are available under the c_ prefix"
-	@$(MAKE) c_help $(MFLAGS) --no-print-directory
-	@echo
-	@echo "The following jobs are available under the cp_ prefix"
-	@$(MAKE) cp_help $(MFLAGS) --no-print-directory
-	@echo
-	@echo "The following jobs are available under the cs_ prefix"
-	@$(MAKE) cs_help $(MFLAGS) --no-print-directory
-	@echo
-	@echo "The following jobs are available under the fr_ prefix"
-	@$(MAKE) fr_help $(MFLAGS) --no-print-directory
-	@echo
-	@echo "The following jobs are available under the ja_ prefix"
-	@$(MAKE) ja_help $(MFLAGS) --no-print-directory
-	@echo
-	@echo "The following jobs are available under the js_ prefix"
-	@$(MAKE) js_help $(MFLAGS) --no-print-directory
-	@echo
-	@echo "The following jobs are available under the lu_ prefix"
-	@$(MAKE) lu_help $(MFLAGS) --no-print-directory
-	@echo
-	@echo "The following jobs are available under the py_ prefix"
-	@$(MAKE) py_help $(MFLAGS) --no-print-directory
-	@echo
-	@echo "The following jobs are available under the rs_ prefix"
-	@$(MAKE) rs_help $(MFLAGS) --no-print-directory
+	@$(foreach mapping,$(DIR_PREFIX_MAP), \
+		echo "The following jobs are available under the $(word 1,$(subst :, ,$(mapping))) prefix"; \
+		$(MAKE) $(word 1,$(subst :, ,$(mapping)))help $(MFLAGS) --no-print-directory; \
+		echo; \
+	)
 
-.PHONY: html dirhtml singlehtml epub latex
-html dirhtml singlehtml epub latex: LICENSE
+.PHONY: $(SPHINX_BUILD_OPTIONS)
+$(SPHINX_BUILD_OPTIONS): LICENSE
 	@$(MAKE) docs_$@ $(MFLAGS) --no-print-directory
 
 .PHONY: clean
 clean:
-	@$(MAKE) cs_clean cp_clean c_clean fr_clean ja_clean js_clean py_clean rs_clean docs_clean $(MFLAGS) -j --no-print-directory
-
-.PHONY: cs_%
-cs_%: LICENSE
-	@$(MAKE) -C csharp $* $(MFLAGS) --no-print-directory
-
-.PHONY: cp_%
-cp_%: LICENSE
-	@$(MAKE) -C cplusplus $* $(MFLAGS) --no-print-directory
-
-.PHONY: c_%
-c_%: LICENSE
-	@$(MAKE) -C c $* $(MFLAGS) --no-print-directory
-
-.PHONY: docs_%
-docs_%: LICENSE
-	@$(MAKE) -C docs $* $(MFLAGS) --no-print-directory
-
-.PHONY: fr_%
-fr_%: LICENSE
-	@$(MAKE) -C fortran $* $(MFLAGS) --no-print-directory
-
-.PHONY: ja_%
-ja_%: LICENSE
-	@$(MAKE) -C java $* $(MFLAGS) --no-print-directory
-
-.PHONY: js_%
-js_%: LICENSE
-	@$(MAKE) -C javascript $* $(MFLAGS) --no-print-directory
+	@$(MAKE) all_clean docs_clean -j --no-print-directory $(MFLAGS)
 
-.PHONY: lu_%
-lu_%: LICENSE
-	@$(MAKE) -C lua $* $(MFLAGS) --no-print-directory
+# This definition generates our prefix rules
+define make_prefix_rule
+.PHONY: $(1)%
+$(1)%: LICENSE
+	@$(MAKE) -C $(2) $$* $(MFLAGS) --no-print-directory
+endef
 
-.PHONY: py_%
-py_%: LICENSE
-	@$(MAKE) -C python $* $(MFLAGS) --no-print-directory
+# Generate rules for each directory in the mapping
+$(eval $(call make_prefix_rule,docs_,docs))
+$(foreach mapping,$(DIR_PREFIX_MAP),$(eval $(call make_prefix_rule,$(word 1,$(subst :, ,$(mapping))),$(word 2,$(subst :, ,$(mapping))))))
 
-.PHONY: rs_%
-rs_%: LICENSE
-	@$(MAKE) -C rust $* $(MFLAGS) --no-print-directory
+.PHONY: all_%
+all_%:
+	@$(MAKE) $(foreach mapping,$(DIR_PREFIX_MAP),$(word 1,$(subst :, ,$(mapping)))$*) $(MFLAGS) --no-print-directory
 
 %:
-	@$(MAKE) c_$* cp_$* cs_$* fr_$* ja_$* js_$* lu_$* py_$* rs_$* $(MFLAGS) --no-print-directory
+	@$(MAKE) all_$* $(MFLAGS) --no-print-directory