1# $Id: autoconf.mk,v 1.10 2020/08/19 17:51:53 sjg Exp $ 2# 3# @(#) Copyright (c) 1996-2009, Simon J. Gerraty 4# 5# This file is provided in the hope that it will 6# be of use. There is absolutely NO WARRANTY. 7# Permission to copy, redistribute or otherwise 8# use this file is hereby granted provided that 9# the above copyright notice and this notice are 10# left intact. 11# 12# Please send copies of changes and bug-fixes to: 13# sjg@crufty.net 14# 15 16.NOPATH: config.h config.status 17 18CONFIGURE_DEPS += ${.CURDIR}/config.h.in ${.CURDIR}/configure 19 20.if !target(config.h) 21config.h: ${CONFIGURE_DEPS} config.status 22 ./config.status 23.endif 24 25.if !target(config.status) 26# avoid the targets behaving differently 27.if exists(${.OBJDIR}/config.status) 28config.status: config.recheck 29.else 30config.status: config.gen 31.endif 32 33config.recheck: ${CONFIGURE_DEPS} 34 ./config.status --recheck 35 @touch $@ 36 37config.gen: ${CONFIGURE_DEPS} 38 CC="${CC} ${CCMODE}" ${.CURDIR}/configure --no-create ${CONFIGURE_ARGS} 39 @touch $@ config.recheck 40 41CLEANFILES+= config.recheck config.gen config.status *.meta 42.endif 43 44# avoid things blowing up if these are not here... 45# this is not quite per the autoconf manual, 46# and is extremely convoluted - but all utterly necessary! 47 48.if make(autoconf-in) || make(configure) || make(config.h.in) || ${AUTO_AUTOCONF:Uno:tl} == "yes" 49AUTOCONF ?= autoconf 50AUTOHEADER ?= autoheader 51 52# expand it to a full path 53AUTOCONF := ${AUTOCONF:${M_whence}} 54 55.if exists(${AUTOCONF}) 56 57.PRECIOUS: configure config.h.in config.status 58 59ACLOCAL = 60ACCONFIG = 61 62.if exists(${.CURDIR}/aclocal.m4) 63ACLOCAL += aclocal.m4 64.endif 65# use of acconfig.h is deprecated! 66.if exists(${.CURDIR}/acconfig.h) 67ACCONFIG += acconfig.h 68.endif 69 70config.h.in: ${.CURDIR}/configure.in ${ACCONFIG} 71 (cd ${.CURDIR} && ${AUTOHEADER}) 72 73configure: ${.CURDIR}/configure.in ${ACLOCAL} 74 (cd ${.CURDIR} && ${AUTOCONF}) 75 76AUTOCONF_INPUTS += configure 77autoconf-input: ${AUTOCONF_INPUTS} 78 79.endif 80.endif 81