[exim-config] / Makefile

### -*-makefile-*-
###
### Build script for Exim configuration
###
### (c) 2012 Mark Wooding
###

###----- Licensing notice ---------------------------------------------------
###
### This program is free software; you can redistribute it and/or modify
### it under the terms of the GNU General Public License as published by
### the Free Software Foundation; either version 2 of the License, or
### (at your option) any later version.
###
### This program is distributed in the hope that it will be useful,
### but WITHOUT ANY WARRANTY; without even the implied warranty of
### MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
### GNU General Public License for more details.
###
### You should have received a copy of the GNU General Public License
### 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_GEN = $(call v_tag,GEN)
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 sat-rewrite.m4

MODES			+= srv
HOOKS_srv		 = nosysdomain.m4
OPTIONS_srv		 = exchange.m4 spam.m4 vhost.m4 sat-rewrite.m4

MODES			+= hub
OPTIONS_hub		 = auth.m4 exchange.m4 local.m4 spam.m4
OPTIONS_hub		+= user-spam.m4 vhost.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
	$(V_AT)$(CHECK_$*)exim4 -C$@.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_rune		 = \
	exim4 -C/etc/exim4/exim4.conf.new -bV >/dev/null && \
	mv /etc/exim4/exim4.conf.new /etc/exim4/exim4.conf && \
	service exim4 reload

install/$(THISHOST): exim4-$(call host-mode,$(THISHOST)).conf
	$(ROOT) cp $< /etc/exim4/exim4.conf.new
	$(ROOT) sh -c '$(install_rune)'

$(addprefix install/, $(OTHERHOSTS)): \
install/%: exim4-$$(call host-mode,$$*).conf
	$(ROOT) scp $< root@$*:/etc/exim4/exim4.conf.new
	$(ROOT) ssh root@$* '$(install_rune)'

install: $(addprefix install/, $(HOSTS))

clean:; rm -f $(CLEANFILES)
.PHONY: clean

###----- That's all, folks --------------------------------------------------
Commit	Line	Data
185b5456 MW	1	### --makefile--
	2	###
	3	### Build script for Exim configuration
	4	###
	5	### (c) 2012 Mark Wooding
	6	###
	7
	8	###----- Licensing notice ---------------------------------------------------
	9	###
	10	### This program is free software; you can redistribute it and/or modify
	11	### it under the terms of the GNU General Public License as published by
	12	### the Free Software Foundation; either version 2 of the License, or
	13	### (at your option) any later version.
	14	###
	15	### This program is distributed in the hope that it will be useful,
	16	### but WITHOUT ANY WARRANTY; without even the implied warranty of
	17	### MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	18	### GNU General Public License for more details.
	19	###
	20	### You should have received a copy of the GNU General Public License
	21	### along with this program; if not, write to the Free Software Foundation,
	22	### Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
	23
c376fbe7 MW	24	###--------------------------------------------------------------------------
	25	### Utility macros.
	26
	27	## Silent-rules machinery.
185b5456 MW	28	V = 0
	29	v_tag = $(call v_tag_$V,$1)
	30	v_tag_0 = @printf " %-6s %s\n" $1 $@;
	31
	32	V_GEN = $(call v_tag,GEN)
	33	V_AT = $(V_AT_$V)
	34	V_AT_0 = @
	35
c376fbe7	36	## Splitting things at slashes -- don't leave the slash.
185b5456 MW	37	dir-nosl = $(patsubst %/,%,$(dir $1))
185b5456 MW	38
c376fbe7 MW	39	###--------------------------------------------------------------------------
	40	### Introductory machinery.
	41
185b5456 MW	42	all:
	43	.SECONDEXPANSION: # sorry
	44
	45	CLEANFILES += $(TARGETS)
	46
c376fbe7 MW	47	###--------------------------------------------------------------------------
	48	### Main source files.
	49
	50	## There's a base set of files, and a number of optional modules. A
	51	## collection of modules is called a `mode', and we generate an output file
	52	## for each required mode.
	53
185b5456 MW	54	EARLY = defs.m4 divmap.m4 config.m4
	55	MAIN = lists.m4 base.m4
	56
	57	MODES =
	58
	59	MODES += satellite
8fca6182	60	OPTIONS_satellite = satellite.m4 sat-rewrite.m4
185b5456	61
a924b8b3 MW	62	MODES += srv
a924b8b3 MW	63	HOOKS_srv = nosysdomain.m4
4fd7858a	64	OPTIONS_srv = exchange.m4 spam.m4 vhost.m4 sat-rewrite.m4
a924b8b3	65
185b5456	66	MODES += hub
3865ac97 MW	67	OPTIONS_hub = auth.m4 exchange.m4 local.m4 spam.m4
3865ac97 MW	68	OPTIONS_hub += user-spam.m4 vhost.m4
185b5456 MW	69
	70	MODES += usersat
	71	OPTIONS_usersat = auth.m4 local.m4 satellite.m4
	72
	73	-include local.mk
	74
c376fbe7 MW	75	###--------------------------------------------------------------------------
	76	### Resolving what needs to be built.
	77
185b5456 MW	78	HOST_MODES += $(foreach m, $(MODES), \
	79	$(foreach h, $(HOSTS_$m), $h/$m))
	80
	81	CONFIGS = $(foreach m, $(MODES), exim4-$m.conf)
	82	TARGETS += $(CONFIGS)
	83	$(CONFIGS): exim4-%.conf: $(EARLY) $$(HOOKS_$$) $(MAIN) $$(OPTIONS_$$)
	84	$(V_GEN)m4 -P -DMODE=$* $^ >$@.new
485c5db5	85	$(V_AT)$(CHECK_$*)exim4 -C$@.new -bV >/dev/null
185b5456 MW	86	$(V_AT)mv $@.new $@
	87
	88	all: $(TARGETS)
	89
485c5db5 MW	90	host-mode = $(notdir $(filter $1/%, $(HOST_MODES)))
	91
	92	HOSTS = $(sort $(call dir-nosl, $(HOST_MODES)))
c376fbe7 MW	93
	94	###--------------------------------------------------------------------------
	95	### Propagating configuration to remote hosts.
	96
185b5456	97	THISHOST = $(shell hostname)
485c5db5	98	OTHERHOSTS = $(filter-out $(THISHOST), $(HOSTS))
185b5456 MW	99
	100	ROOT = sudo
	101
1c921c9f MW	102	install_rune = \
	103	exim4 -C/etc/exim4/exim4.conf.new -bV >/dev/null && \
	104	mv /etc/exim4/exim4.conf.new /etc/exim4/exim4.conf && \
	105	service exim4 reload
	106
485c5db5	107	install/$(THISHOST): exim4-$(call host-mode,$(THISHOST)).conf
1c921c9f MW	108	$(ROOT) cp $< /etc/exim4/exim4.conf.new
1c921c9f MW	109	$(ROOT) sh -c '$(install_rune)'
185b5456	110
485c5db5 MW	111	$(addprefix install/, $(OTHERHOSTS)): \
485c5db5 MW	112	install/%: exim4-$$(call host-mode,$$*).conf
1c921c9f MW	113	$(ROOT) scp $< root@$*:/etc/exim4/exim4.conf.new
1c921c9f MW	114	$(ROOT) ssh root@$* '$(install_rune)'
185b5456	115
485c5db5	116	install: $(addprefix install/, $(HOSTS))
185b5456 MW	117
	118	clean:; rm -f $(CLEANFILES)
	119	.PHONY: clean
c376fbe7 MW	120
c376fbe7 MW	121	###----- That's all, folks --------------------------------------------------