81 lines
1.9 KiB
Makefile
81 lines
1.9 KiB
Makefile
# $Id: autoconf.mk,v 1.9 2017/08/13 20:03:13 sjg Exp $
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#
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# @(#) Copyright (c) 1996-2009, Simon J. Gerraty
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#
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# This file is provided in the hope that it will
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# be of use. There is absolutely NO WARRANTY.
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# Permission to copy, redistribute or otherwise
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# use this file is hereby granted provided that
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# the above copyright notice and this notice are
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# left intact.
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#
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# Please send copies of changes and bug-fixes to:
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# sjg@crufty.net
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#
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.NOPATH: config.h config.status
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CONFIGURE_DEPS += ${.CURDIR}/config.h.in ${.CURDIR}/configure
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.if !target(config.h)
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config.h: ${CONFIGURE_DEPS} config.status
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./config.status
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.endif
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.if !target(config.status)
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# avoid the targets behaving differently
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.if exists(${.OBJDIR}/config.status)
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config.status: config.recheck
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.else
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config.status: config.gen
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.endif
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config.recheck: ${CONFIGURE_DEPS}
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./config.status --recheck
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@touch $@
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config.gen: ${CONFIGURE_DEPS}
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CC="${CC} ${CCMODE}" ${.CURDIR}/configure --no-create ${CONFIGURE_ARGS}
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@touch $@ config.recheck
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CLEANFILES+= config.recheck config.gen config.status *.meta
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.endif
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# avoid things blowing up if these are not here...
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# this is not quite per the autoconf manual,
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# and is extremely convoluted - but all utterly necessary!
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.if make(autoconf-in) || make(configure) || make(config.h.in) || ${AUTO_AUTOCONF:Uno:tl} == "yes"
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AUTOCONF ?= autoconf
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AUTOHEADER ?= autoheader
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# expand it to a full path
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AUTOCONF := ${AUTOCONF:${M_whence}}
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.if exists(${AUTOCONF})
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.PRECIOUS: configure config.h.in config.status
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ACLOCAL =
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ACCONFIG =
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.if exists(${.CURDIR}/aclocal.m4)
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ACLOCAL += aclocal.m4
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.endif
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# use of acconfig.h is deprecated!
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.if exists(${.CURDIR}/acconfig.h)
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ACCONFIG += acconfig.h
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.endif
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config.h.in: ${.CURDIR}/configure.in ${ACCONFIG}
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(cd ${.CURDIR} && ${AUTOHEADER})
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configure: ${.CURDIR}/configure.in ${ACLOCAL}
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(cd ${.CURDIR} && ${AUTOCONF})
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AUTOCONF_INPUTS += configure
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autoconf-input: ${AUTOCONF_INPUTS}
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.endif
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.endif
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