### along with this program; if not, write to the Free Software Foundation,
### Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+###--------------------------------------------------------------------------
+### Utility macros.
+
+## Silent-rules machinery.
V = 0
v_tag = $(call v_tag_$V,$1)
v_tag_0 = @printf " %-6s %s\n" $1 $@;
V_AT = $(V_AT_$V)
V_AT_0 = @
+## Splitting things at slashes -- don't leave the slash.
dir-nosl = $(patsubst %/,%,$(dir $1))
+###--------------------------------------------------------------------------
+### Introductory machinery.
+
all:
.SECONDEXPANSION: # sorry
CLEANFILES += $(TARGETS)
+###--------------------------------------------------------------------------
+### Main source files.
+
+## There's a base set of files, and a number of optional modules. A
+## collection of modules is called a `mode', and we generate an output file
+## for each required mode.
+
EARLY = defs.m4 divmap.m4 config.m4
MAIN = lists.m4 base.m4
MODES =
MODES += satellite
-OPTIONS_satellite = satellite.m4
+OPTIONS_satellite = satellite.m4 sat-rewrite.m4
+
+MODES += srv
+CONF_srv = sysdomains=
+OPTIONS_srv = exchange.m4 spam.m4 vhost.m4 sat-rewrite.m4
MODES += hub
-OPTIONS_hub = auth.m4 exchange.m4 local.m4 spam.m4 vhost.m4
+OPTIONS_hub = auth.m4 exchange.m4 local.m4 spam.m4
+OPTIONS_hub += user-spam.m4 vhost.m4 vhost-local.m4
MODES += usersat
OPTIONS_usersat = auth.m4 local.m4 satellite.m4
-include local.mk
+###--------------------------------------------------------------------------
+### Resolving what needs to be built.
+
HOST_MODES += $(foreach m, $(MODES), \
$(foreach h, $(HOSTS_$m), $h/$m))
CONFIGS = $(foreach m, $(MODES), exim4-$m.conf)
TARGETS += $(CONFIGS)
$(CONFIGS): exim4-%.conf: $(EARLY) $$(HOOKS_$$*) $(MAIN) $$(OPTIONS_$$*)
- $(V_GEN)m4 -P -DMODE=$* $^ >$@.new
- $(V_AT)exim4 -C$@.new -bV >/dev/null
+ $(V_GEN)m4 -P -DMODE=$* $(CONF_$*:%=-DCONF_%) $^ >$@.new
+ $(V_AT)$(CHECK_$*)exim4 -C$$(pwd)/$@.new -bV >/dev/null
$(V_AT)mv $@.new $@
all: $(TARGETS)
+host-mode = $(notdir $(filter $1/%, $(HOST_MODES)))
+
+HOSTS = $(sort $(call dir-nosl, $(HOST_MODES)))
+
+###--------------------------------------------------------------------------
+### Propagating configuration to remote hosts.
+
THISHOST = $(shell hostname)
+OTHERHOSTS = $(filter-out $(THISHOST), $(HOSTS))
ROOT = sudo
-INSTALL_TARGETS = $(addprefix install-, $(HOST_MODES))
+install_rune = \
+ exim4 -C/etc/exim4/exim4.conf.new -bV >/dev/null && \
+ mv /etc/exim4/exim4.conf.new /etc/exim4/exim4.conf && \
+ service exim4 reload
-$(filter install-$(THISHOST)/%, $(INSTALL_TARGETS)): \
-install-$(THISHOST)/%: exim4-%.conf
- $(ROOT) install -m644 $< /etc/exim4/exim4.conf
- $(ROOT) service exim4 reload
+install/$(THISHOST): exim4-$(call host-mode,$(THISHOST)).conf
+ $(ROOT) cp $< /etc/exim4/exim4.conf.new
+ $(ROOT) sh -c '$(install_rune)'
-$(filter-out install-$(THISHOST)/%, $(INSTALL_TARGETS)): \
-install-%: exim4-$$(notdir $$*).conf
- $(ROOT) scp $< root@$(call dir-nosl,$*):/etc/exim4/exim4.conf
- $(ROOT) ssh root@$(call dir-nosl,$*) service exim4 reload
+$(addprefix install/, $(OTHERHOSTS)): \
+install/%: exim4-$$(call host-mode,$$*).conf
+ $(ROOT) scp $< root@$*:/etc/exim4/exim4.conf.new
+ $(ROOT) ssh root@$* '$(install_rune)'
-install: $(INSTALL_TARGETS)
+install: $(addprefix install/, $(HOSTS))
clean:; rm -f $(CLEANFILES)
.PHONY: clean
+
+###----- That's all, folks --------------------------------------------------