WIP: Make subprojects automatically

Makefile

@@ -12,18 +12,6 @@ _Makefile := $(lastword $(MAKEFILE_LIST))
 # $/ is now the path prefix needed to reach here from `cwd`.
 # It looks similar to `~/` on purpose, but it expands to nothing if already here.
 
-## How to make a generic project (and its subprojects, if they have at least an .md file)
-# `make`: All executables from all source code is executable.
-# `make build/*.py.bringup`: *.py is executable with the venv/bin/python3 next to it.
-# `make build/$(dir $(realpath .)).bringup`: A _start or main() found in *.c *.cpp *.s is executable.
-# `make build/*.tested`: Executable * is verified.
-# `make report`: Print a project self-test summary.
-# `make gfm pdf html slides`: Print reports with all details of the project.
-# `make old changes review audit`: Compare the project with last release.
-# clean: Remove everything built by the project.
-$(info -include $/project.mk)
--include $/project.mk
-
 ## How to make that generic project maker
 ifneq (clean,$(findstring clean,$(MAKECMDGOALS)))
     $/project.mk: $/generic.mk $/makemake.py
@@ -41,25 +29,14 @@ $/clean: $/clean_project
 $/clean_project:
 	rm -f $/project.mk
 
-## How to find subdirectories containing at least one .md file
-$/SUBDIRS := $(foreach d,$(shell find $/. -mindepth 1 -maxdepth 1),$(notdir $d))
-$/SUBPROJECTS := $(sort $(dir $(foreach d,$($/SUBDIRS),$(wildcard $/$d/*.md))))
-$/ACTIVE_SUBPROJECTS := $(dir $(foreach d,$($/SUBPROJECTS),$(wildcard $/$d/Makefile)))
-
-## How to make these as sub-projects before this project
-$/all: | $($/ACTIVE_SUBPROJECTS:%=%all)
-$/tested: | $($/ACTIVE_SUBPROJECTS:%=%tested)
-$/build/report.txt: $($/ACTIVE_SUBPROJECTS:%=%build/report.txt)
-$/gfm: | $($/ACTIVE_SUBPROJECTS:%=%gfm)
-$/pdf: | $($/ACTIVE_SUBPROJECTS:%=%pdf)
-$/html: | $($/ACTIVE_SUBPROJECTS:%=%html)
-$/slides: | $($/ACTIVE_SUBPROJECTS:%=%slides)
-$/old: | $($/ACTIVE_SUBPROJECTS:%=%old)
-$/new: $($/ACTIVE_SUBPROJECTS:%=%new)
-$/build/review.diff: $($/ACTIVE_SUBPROJECTS:%=%build/review.diff)
-$/clean: | $($/ACTIVE_SUBPROJECTS:%=%clean)
-
-## Finally attempt to include all sub-projects
-# Note: Subprojects modify $/, this has to be the last command using it as a prefix to here.
-$(info -include $($/SUBPROJECTS:%=%Makefile))
--include $($/SUBPROJECTS:%=%Makefile)
+## How to make a generic project (and its subprojects, if they have at least an .md file)
+# `make`: All executables from all source code is executable.
+# `make build/*.py.bringup`: *.py is executable with the venv/bin/python3 next to it.
+# `make build/$(dir $(realpath .)).bringup`: A _start or main() found in *.c *.cpp *.s is executable.
+# `make build/*.tested`: Executable * is verified.
+# `make report`: Print a project self-test summary.
+# `make gfm pdf html slides`: Print reports with all details of the project.
+# `make old changes review audit`: Compare the project with last release.
+# clean: Remove everything built by the project.
+$(info -include $/project.mk)
+-include $/project.mk

generic.mk

@@ -534,7 +534,28 @@ $($/BUILD)report.diff: $($/OLD)report.gfm$/report.gfm
 	    done ; \
 	  rm xx**; ) >> $@
 
-# Include the autogenerated dependencies
+## Find subdirectories containing at least one .md file
+$/SUBDIRS := $(foreach d,$(shell find $/. -mindepth 1 -maxdepth 1),$(notdir $d))
+$/SUBPROJECTS := $(sort $(dir $(foreach d,$($/SUBDIRS),$(wildcard $/$d/*.md))))
+$/ACTIVE_SUBPROJECTS := $(dir $(foreach d,$($/SUBPROJECTS),$(wildcard $/$d/Makefile)))
+
+## Make these as sub-projects before this project
+$/all: | $($/ACTIVE_SUBPROJECTS:%=%all)
+$/tested: | $($/ACTIVE_SUBPROJECTS:%=%tested)
+$/build/report.txt: $($/ACTIVE_SUBPROJECTS:%=%build/report.txt)
+$/gfm: | $($/ACTIVE_SUBPROJECTS:%=%gfm)
+$/pdf: | $($/ACTIVE_SUBPROJECTS:%=%pdf)
+$/html: | $($/ACTIVE_SUBPROJECTS:%=%html)
+$/slides: | $($/ACTIVE_SUBPROJECTS:%=%slides)
+$/old: | $($/ACTIVE_SUBPROJECTS:%=%old)
+$/new: $($/ACTIVE_SUBPROJECTS:%=%new)
+$/build/review.diff: $($/ACTIVE_SUBPROJECTS:%=%build/review.diff)
+$/clean: | $($/ACTIVE_SUBPROJECTS:%=%clean)
+
+## Finally attempt to include all bringup files and sub-projects
+# Note: Subprojects modify $/, so this has to be the last command using it as a prefix here.
+$/DEPS += $($/SUBPROJECTS:%=%Makefile)
 $(info -include $($/DEPS))
 -include $($/DEPS)
+
 endif  # $/PROJECT