add MathComp-style submakefiles to allow packaging without Dune

.github/workflows/docker-action.yml

@@ -18,13 +18,14 @@ jobs:
       matrix:
         image:
           - 'mathcomp/mathcomp-dev:coq-dev'
+          - 'mathcomp/mathcomp:2.2.0-coq-8.20'
           - 'mathcomp/mathcomp:2.2.0-coq-8.19'
           - 'mathcomp/mathcomp:2.2.0-coq-8.18'
           - 'mathcomp/mathcomp:2.1.0-coq-8.18'
           - 'mathcomp/mathcomp:2.0.0-coq-8.18'
       fail-fast: false
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: coq-community/docker-coq-action@v1
         with:
           custom_image: ${{ matrix.image }}

Makefile

@@ -1,16 +1,4 @@
-all: Makefile.coq
-	@+$(MAKE) -f Makefile.coq all
+# -*- Makefile -*-
 
-clean: Makefile.coq
-	@+$(MAKE) -f Makefile.coq cleanall
-	@rm -f Makefile.coq Makefile.coq.conf
-
-Makefile.coq: _CoqProject
-	$(COQBIN)coq_makefile -f _CoqProject -o Makefile.coq
-
-force _CoqProject Makefile: ;
-
-%: Makefile.coq force
-	@+$(MAKE) -f Makefile.coq $@
-
-.PHONY: all clean force
+# --------------------------------------------------------------------
+include Makefile.common

Makefile.common

@@ -0,0 +1,99 @@
+# -*- Makefile -*-
+
+######################################################################
+# USAGE:                                                             #
+# The rules this-config::, this-build::, this-distclean::,           #
+# pre-makefile::, this-clean:: and __always__:: may be extended      #
+# Additionally, the following variables may be customized:           #
+SUBDIRS?=
+COQBIN?=$(dir $(shell which coqtop))
+COQMAKEFILE?=$(COQBIN)coq_makefile
+COQDEP?=$(COQBIN)coqdep
+COQPROJECT?=_CoqProject
+COQMAKEOPTIONS?=
+COQMAKEFILEOPTIONS?=
+V?=
+VERBOSE?=V
+######################################################################
+
+# local context: -----------------------------------------------------
+.PHONY: all config build clean distclean __always__
+.SUFFIXES:
+
+H:= $(if $(VERBOSE),,@)  # not used yet
+TOP     = $(dir $(lastword $(MAKEFILE_LIST)))
+COQMAKE = $(MAKE) -f Makefile.coq $(COQMAKEOPTIONS)
+BRANCH_coq:= $(shell $(COQBIN)coqtop -v | head -1 | grep -E '(trunk|master)' \
+	      | wc -l | sed 's/ *//g')
+
+# coq version:
+ifneq "$(BRANCH_coq)" "0"
+COQVVV:= dev
+else
+COQVVV:=$(shell $(COQBIN)coqtop --print-version | cut -d" " -f1)
+endif
+
+COQV:= $(shell echo $(COQVVV) | cut -d"." -f1)
+COQVV:= $(shell echo $(COQVVV) | cut -d"." -f1-2)
+
+# all: ---------------------------------------------------------------
+all: config build
+
+# Makefile.coq: ------------------------------------------------------
+.PHONY: pre-makefile
+
+Makefile.coq: pre-makefile $(COQPROJECT) Makefile
+	$(COQMAKEFILE) $(COQMAKEFILEOPTIONS) -f $(COQPROJECT) -o Makefile.coq
+
+# Global config, build, clean and distclean --------------------------
+config: sub-config this-config
+
+build: sub-build this-build
+
+clean: sub-clean this-clean
+
+distclean: sub-distclean this-distclean
+
+# Local config, build, clean and distclean ---------------------------
+.PHONY: this-config this-build this-distclean this-clean
+
+this-config:: __always__
+
+this-build:: this-config Makefile.coq
+	+$(COQMAKE)
+
+this-distclean:: this-clean
+	rm -f Makefile.coq Makefile.coq.conf Makefile.coq
+
+this-clean:: __always__
+	@if [ -f Makefile.coq ]; then $(COQMAKE) cleanall; fi
+
+# Install target -----------------------------------------------------
+.PHONY: install
+
+install: __always__ Makefile.coq
+	$(COQMAKE) install
+# counting lines of Coq code -----------------------------------------
+.PHONY: count
+
+COQFILES = $(shell grep '.v$$' $(COQPROJECT))
+
+count:
+	@coqwc $(COQFILES) | tail -1 | \
+	  awk '{printf ("%d (spec=%d+proof=%d)\n", $$1+$$2, $$1, $$2)}'
+# Additionally cleaning backup (*~) files ----------------------------
+this-distclean::
+	rm -f $(shell find . -name '*~')
+
+# Make in SUBDIRS ----------------------------------------------------
+ifdef SUBDIRS
+sub-%: __always__
+	@set -e; for d in $(SUBDIRS); do +$(MAKE) -C $$d $(@:sub-%=%); done
+else
+sub-%: __always__
+	@true
+endif
+
+# Make of individual .vo ---------------------------------------------
+%.vo: __always__ Makefile.coq
+	+$(COQMAKE) $@

meta.yml

@@ -70,6 +70,8 @@ supported_coq_versions:
 tested_coq_opam_versions:
 - version: 'coq-dev'
   repo: 'mathcomp/mathcomp-dev'
+- version: '2.2.0-coq-8.20'
+  repo: 'mathcomp/mathcomp'
 - version: '2.2.0-coq-8.19'
   repo: 'mathcomp/mathcomp'
 - version: '2.2.0-coq-8.18'

theories/core/Make

@@ -0,0 +1,48 @@
+-arg -w -arg -notation-overridden
+-arg -w -arg -redundant-canonical-projection
+-arg -w -arg -projection-no-head-constant
+-arg -w -arg -duplicate-clear
+-arg -w -arg -elpi.add-const-for-axiom-or-sectionvar
+-arg -w -arg -ambiguous-paths
+
+-Q . GraphTheory.core
+
+edone.v
+bounded.v
+preliminaries.v
+setoid_bigop.v
+finmap_plus.v
+set_tac.v
+bij.v
+finite_quotient.v
+equiv.v
+arc.v
+digraph.v
+sgraph.v
+helly.v
+connectivity.v
+treewidth.v
+minor.v
+excluded.v
+checkpoint.v
+cp_minor.v
+smerge.v #(ITP 21)
+structures.v
+mgraph.v
+pttdom.v
+mgraph2.v
+rewriting.v
+reduction.v
+open_confluence.v
+transfer.v
+completeness.v
+ptt.v
+skeleton.v
+mgraph2_tw2.v
+extraction_def.v
+extraction_iso.v
+extraction_top.v
+dom.v
+partition.v
+coloring.v
+wpgt.v

theories/core/Makefile

@@ -0,0 +1,7 @@
+# -*- Makefile -*-
+
+# setting variables
+COQPROJECT?=Make
+
+# Main Makefile
+include ../../Makefile.common

theories/planar/Make

@@ -0,0 +1,14 @@
+-arg -w -arg -notation-overridden
+-arg -w -arg -redundant-canonical-projection
+-arg -w -arg -projection-no-head-constant
+-arg -w -arg -duplicate-clear
+-arg -w -arg -elpi.add-const-for-axiom-or-sectionvar
+-arg -w -arg -ambiguous-paths
+
+-Q . GraphTheory.planar
+
+hmap_ops.v
+hcycle.v
+embedding.v
+K4plane.v
+wagner.v

theories/planar/Makefile

@@ -0,0 +1,7 @@
+# -*- Makefile -*-
+
+# setting variables
+COQPROJECT?=Make
+
+# Main Makefile
+include ../../Makefile.common