Rework the whole Makefile architecture

- Cleanup, refactoring and generalize the makefile architecture
- Reuses @strub math-comp/analysis Makefile / Makefile.common organization
- As #174, this fixes #88, but looks more stable than trying to fix the use of the MAKEFLAGS internal variable

1 files changed, 78 insertions, 0 deletions

diff --git a/mathcomp/Makefile.common b/mathcomp/Makefile.common
new file mode 100644
index 0000000..b07b78d
--- /dev/null
+++ b/mathcomp/Makefile.common
@@ -0,0 +1,78 @@
+# -*- Makefile -*-
+
+ifeq "$(COQBIN)" ""
+COQBIN=$(dir $(shell which coqtop))/
+endif
+ifeq "$(COQMAKEFILE)" ""
+COQMAKEFILE=$(COQBIN)coq_makefile
+endif
+COQDEP=$(COQBIN)coqdep
+
+ifeq "$(COQPROJECT)" ""
+COQPROJECT="_CoqProject"
+endif
+
+# --------------------------------------------------------------------
+.PHONY: all config build clean distclean __always__
+.SUFFIXES:
+
+TOP     = $(dir $(lastword $(MAKEFILE_LIST)))
+COQMAKE = $(MAKE) -f Makefile.coq $(COQMAKEOPTIONS)
+
+# --------------------------------------------------------------------
+all: config build
+
+# --------------------------------------------------------------------
+Makefile.coq: Makefile $(BEFOREMAKEFILE)
+	$(COQMAKEFILE) $(COQMAKEFILEOPTIONS) -f $(COQPROJECT) -o Makefile.coq
+
+# --------------------------------------------------------------------
+config: sub-config this-config Makefile.coq
+
+build: sub-build this-build
+
+clean: sub-clean this-clean
+
+distclean: sub-distclean this-distclean
+
+# --------------------------------------------------------------------
+.PHONY: this-config this-build this-distclean this-clean
+
+this-build::
+	+$(COQMAKE)
+
+this-distclean:: this-clean
+	rm -f Makefile.coq Makefile.coq.conf
+
+this-clean::
+	@if [ -f Makefile.coq ]; then $(COQMAKE) cleanall; fi
+
+# --------------------------------------------------------------------
+.PHONY: install
+
+install:
+	$(COQMAKE) install
+# --------------------------------------------------------------------
+.PHONY: count
+
+COQFILES := $(shell grep '.v$$' Make)
+
+count:
+	@coqwc $(COQFILES) | tail -1 | \
+	  awk '{printf ("%d (spec=%d+proof=%d)\n", $$1+$$2, $$1, $$2)}'
+# --------------------------------------------------------------------
+this-distclean::
+	rm -f $(shell find . -name '*~')
+
+# --------------------------------------------------------------------
+ifdef SUBDIRS
+sub-%: __always__
+	@set -e; for d in $(SUBDIRS); do +$(MAKE) -C $$d $(@:sub-%=%); done
+else
+sub-%: __always__
+	@true
+endif
+
+# --------------------------------------------------------------------
+%.vo: __always__
+	+$(COQMAKE) $@