distro.mk: functionalization

- set(), add(), log()
  + special thanks to rider@ for log format feedback
- simple debug facility
- builds, installs and runs... again

Makefile

@@ -15,9 +15,14 @@ BUILDDIR := $(shell realpath build || bin/mktmpdir mkimage-profiles.build)
 endif
 export BUILDDIR
 
+ifdef DEBUG
+GLOBAL_VERBOSE ?= 1
+SHELL += -x
+endif
+
 # we can't use implicit rules for top-level targets, only for prereqs
-CONFIGS=$(shell sed -n 's,^distro/\([^:]\+\):.*$$,\1,p' distro.mk)
-DISTROS=$(addsuffix .iso,$(CONFIGS))
+CONFIGS := $(shell sed -n 's,^distro/\([^:]\+\):.*$$,\1,p' distro.mk)
+DISTROS := $(addsuffix .iso,$(CONFIGS))
 
 all:
 	@echo '** available distribution targets:'

clean.mk

@@ -6,6 +6,7 @@ clean:
 
 distclean: clean
 	@[ -d build/ ] && \
+		rm -rf build/.git; \
 		make -C build/ $@ GLOBAL_BUILDDIR=$(shell readlink build) && \
 		rm -r $(shell readlink build) && \
 		rm build \

distro.mk

@@ -4,14 +4,8 @@ CONFIG = $(BUILDDIR)/.config.mk
 # source initial feature snippets
 -include features.in/*/config.mk
 
-# NB: don"t use ANY quotes ('/") for put() arguments!
-# shell will get confused by ' or args get spammed with "
-put = $(and $(1),$(put_body))
-define put_body
-@printf '%s\n' '$(1)#=- $@' >> "$(CONFIG)"
-endef
-
-tags = $(shell echo "$(1)" | bin/tags2lists)
+# put(), add(), set(), tags()
+include functions.mk
 
 # request particular image subprofile inclusion
 sub/%:
@@ -27,31 +21,32 @@ sub/%:
 #
 # tags do boolean expressions: (tag1 && !(tag2 || tag3))
 
-init:
+distro/init:
 	@echo "** starting distro configuration build process"
-	:> $(CONFIG)
-	$(call put,KFLAVOUR=std-def)	###
-	$(call put,IMAGE_INIT_LIST=+branding-$$(BRANDING)-release)
-	$(call put,BRANDING=altlinux-desktop)	###
-	@#$(call put,STAGE1_PACKAGES=kernel-image-$$(KFLAVOUR))
-	$(call put,KERNEL_PACKAGES=kernel-image-$$(KFLAVOUR))
+	@:> $(CONFIG)
 
-distro/syslinux: init
+distro/base: distro/init sub/stage1
+	$(call set,KFLAVOUR,std-def)	###
+	$(call set,IMAGE_INIT_LIST,+branding-$$(BRANDING)-release)
+	$(call set,BRANDING,altlinux-desktop)	###
+	$(call set,KERNEL_PACKAGES,kernel-image-$$(KFLAVOUR))
+
+distro/syslinux: distro/base
 
 # NB: our */* are phony targets really, just for namespace
-distro/installer: init sub/install2
+distro/installer: distro/base sub/install2
 	@#$(call put,BRANDING=altlinux-sisyphus)	###
-	$(call put,BASE_LISTS=base kernel)
-	$(call put,INSTALL2_PACKAGES=installer-distro-server-light-stage2)	###
+	$(call set,BASE_LISTS,base kernel)
+	$(call set,INSTALL2_PACKAGES,installer-distro-server-light-stage2)	###
 
 distro/server-base: distro/installer sub/main use/memtest86
-	$(call put,BASE_LISTS+=server-base kernel-server)
+	$(call add,BASE_LISTS,server-base kernel-server)
 
 distro/server-light: distro/server-base use/bootsplash
-	$(call put,KFLAVOUR=ovz-smp)	# override default
-	$(call put,BRANDING=sisyphus-server-light)
-	$(call put,DISK_LISTS+=kernel-wifi)
-	$(call put,BASE_LISTS+=$(call tags,base server))
+	$(call set,KFLAVOUR,ovz-smp)	# override default
+	$(call set,BRANDING,sisyphus-server-light)
+	$(call add,DISK_LISTS,kernel-wifi)
+	$(call add,BASE_LISTS,$(call tags,base server))
 
 use/bootsplash:
-	$(call put,COMMON_TAGS+=bootsplash)
+	$(call add,COMMON_TAGS,bootsplash)

functions.mk

@@ -0,0 +1,33 @@
+# NB: don"t use ANY quotes ('/") for put()/add()/set() arguments!
+# shell will get confused by ' or args get spammed with "
+
+# this one adds whatever is given as an argument
+put = $(and $(1),$(put_body))
+define put_body
+$(log_body)
+@printf '%s\n' '$(1)' >> "$(CONFIG)"
+endef
+
+# these two take two args
+# add() just appends an additive rule...
+add = $(and $(1),$(2),$(add_body))
+define add_body
+$(log_body)
+@printf '%s += %s\n' '$(1)' '$(2)' >> "$(CONFIG)"
+endef
+
+# ...set() comments out any previous definition
+# and then appends an assigning rule
+set = $(and $(1),$(2),$(set_body))
+define set_body
+$(log_body)
+@subst 's|^$(1)[ 	]*+*=.*$$|#& # overridden by $@|' "$(CONFIG)"
+@printf '%s = %s\n' '$(1)' '$(2)' >> "$(CONFIG)"
+endef
+
+# is there a way to set a global make var from a recipe?..
+define log_body
+@grep -q '^# $@$$' "$(CONFIG)" || printf '# %s\n' '$@' >> "$(CONFIG)"
+endef
+
+tags = $(shell echo "$(1)" | bin/tags2lists)

image.in/Makefile

@@ -22,7 +22,7 @@ prep: disk-info metadata
 
 disk-info:
 	mkdir -p files/.disk
-	echo "$(PROPAGATOR_VERSION)" >files/.disk/info	### +$(ARCH)
+	echo "FIXME" >files/.disk/info	### +$(ARCH)
 	(cd $(TOPDIR); git show-ref --head --dereference -s -- HEAD 2>/dev/null) >files/.disk/commit
 	[ -s files/.disk/commit ] || rm files/.disk/commit
 

image.in/files/syslinux/isolinux.cfg

@@ -5,7 +5,7 @@ timeout 200
 # f1 help.txt
 # f2 version.txt
 # ...
-default rescue
+default linux
 
 label harddisk
   menu label Continue as usual

iso.mk

@@ -1,6 +1,6 @@
 iso:
 	@echo "** starting image build process"
 	@### setup GLOBAL_BOOT_TYPE, etc
-	@#echo (cd $(BUILDDIR)/; autoconf; ./configure --with-aptconf=$(HOME)/apt/apt.conf)	###
-	@echo $(MAKE) -C $(BUILDDIR)/ GLOBAL_BUILDDIR=$(BUILDDIR)
+	(cd $(BUILDDIR)/; autoconf; ./configure --with-aptconf=$(HOME)/apt/apt.conf)	###
+	$(MAKE) -C $(BUILDDIR)/ GLOBAL_BUILDDIR=$(BUILDDIR)
 	@# check iso size

sub.in/stage1/Makefile

@@ -1,5 +1,5 @@
-include globals.mk
-include functions.mk
+include ../globals.mk
+include ../functions.mk
 include $(MKIMAGE_PREFIX)/config.mk
 include $(GLOBAL_BUILDDIR)/.config.mk
 

sub.in/stage1/initfs

@@ -0,0 +1 @@
+file	/.VERSION	@TMPDIR@/.VERSION	0644	0 0