1# $Id: autoconf.mk,v 1.8 2012/11/19 05:37:48 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 18.if !target(config.h) 19config.h: ${.CURDIR}/config.h.in config.status 20 ./config.status 21.endif 22 23.if !target(config.status) 24# avoid the targets behaving differently 25.if exists(${.OBJDIR}/config.status) 26config.status: config.recheck 27.else 28config.status: config.gen 29.endif 30 31config.recheck: config.h.in ${.CURDIR}/configure 32 ./config.status --recheck 33 @touch $@ 34 35config.gen: config.h.in ${.CURDIR}/configure 36 CC="${CC} ${CCMODE}" ${.CURDIR}/configure --no-create ${CONFIGURE_ARGS} 37 @touch $@ config.recheck 38 39CLEANFILES+= config.recheck config.gen config.status *.meta 40.endif 41 42# avoid things blowing up if these are not here... 43# this is not quite per the autoconf manual, 44# and is extremely convoluted - but all utterly necessary! 45 46.if make(autoconf-in) || make(configure) || make(config.h.in) || ${AUTO_AUTOCONF:Uno:tl} == "yes" 47AUTOCONF ?= autoconf 48AUTOHEADER ?= autoheader 49 50# expand it to a full path 51AUTOCONF := ${AUTOCONF:${M_whence}} 52 53.if exists(${AUTOCONF}) 54 55.PRECIOUS: configure config.h.in config.status 56 57ACLOCAL = 58ACCONFIG = 59 60.if exists(${.CURDIR}/aclocal.m4) 61ACLOCAL += aclocal.m4 62.endif 63# use of acconfig.h is deprecated! 64.if exists(${.CURDIR}/acconfig.h) 65ACCONFIG += acconfig.h 66.endif 67 68config.h.in: ${.CURDIR}/configure.in ${ACCONFIG} 69 (cd ${.CURDIR} && ${AUTOHEADER}) 70 71configure: ${.CURDIR}/configure.in ${ACLOCAL} 72 (cd ${.CURDIR} && ${AUTOCONF}) 73 74AUTOCONF_INPUTS += configure 75autoconf-input: ${AUTOCONF_INPUTS} 76 77.endif 78.endif 79