88 lines
2.6 KiB
Makefile
88 lines
2.6 KiB
Makefile
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# $Id: bsd.after-import.mk,v 1.3 2012/06/06 17:48:14 sjg Exp $
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# This makefile is for use when integrating bmake into a BSD build
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# system. Use this makefile after importing bmake.
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# It will bootstrap the new version,
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# capture the generated files we need, and add an after-import
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# target to allow the process to be easily repeated.
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# The goal is to allow the benefits of autoconf without
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# the overhead of running configure.
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all: ${.CURDIR}/Makefile
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all: after-import
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# we rely on bmake
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_this := ${MAKEFILE:tA}
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BMAKE_SRC := ${.PARSEDIR}
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# it helps to know where the top of the tree is.
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.if !defined(SRCTOP)
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srctop := ${.MAKE.MAKEFILES:M*src/share/mk/sys.mk:H:H:H}
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.if !empty(srctop)
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SRCTOP := ${srctop}
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.endif
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.endif
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# This lets us match what boot-strap does
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.if !defined(HOST_OS)
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HOST_OS!= uname
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.endif
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# .../share/mk will find ${SRCTOP}/share/mk
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# if we are within ${SRCTOP}
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DEFAULT_SYS_PATH= .../share/mk:/usr/share/mk
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BOOTSTRAP_ARGS = \
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--with-default-sys-path='${DEFAULT_SYS_PATH}' \
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--prefix /usr \
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--share /usr/share \
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--mksrc none
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# run boot-strap with minimal influence
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bootstrap: ${BMAKE_SRC}/boot-strap ${MAKEFILE}
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HOME=/ ${BMAKE_SRC}/boot-strap ${BOOTSTRAP_ARGS} ${BOOTSTRAP_XTRAS}
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touch ${.TARGET}
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# Makefiles need a little more tweaking than say config.h
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MAKEFILE_SED = sed -e '/^MACHINE/d' \
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-e '/^PROG/s,bmake,${.CURDIR:T},' \
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-e 's,${SRCTOP},$${SRCTOP},g'
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# These are the simple files we want to capture
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configured_files= config.h unit-tests/Makefile
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after-import: bootstrap ${MAKEFILE}
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.for f in ${configured_files:N*Makefile}
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@echo Capturing $f
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@cmp -s ${.CURDIR}/$f ${HOST_OS}/$f || \
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cp ${HOST_OS}/$f ${.CURDIR}/$f
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.endfor
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.for f in ${configured_files:M*Makefile}
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@echo Capturing $f
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@${MAKEFILE_SED} ${HOST_OS}/$f > ${.CURDIR}/$f
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.endfor
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# this needs the most work
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${.CURDIR}/Makefile: bootstrap ${MAKEFILE} .PRECIOUS
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@echo Generating ${.TARGET:T}
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@(echo '# This is a generated file, do NOT edit!'; \
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echo '# See ${_this:S,${SRCTOP}/,,}'; \
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echo; echo '# look here first for config.h'; \
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echo 'CFLAGS+= -I$${.CURDIR}'; echo; \
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${MAKEFILE_SED} ${HOST_OS}/Makefile; \
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echo; echo '# override some simple things'; \
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echo 'BINDIR= /usr/bin'; \
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echo 'MANDIR= /usr/share/man'; \
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echo; echo '# make sure we get this'; \
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echo 'CFLAGS+= $${COPTS.$${.IMPSRC:T}}'; \
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echo 'CLEANFILES+= bootstrap'; \
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echo; echo 'after-import: ${_this:S,${SRCTOP},\${SRCTOP},}'; \
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echo ' cd $${.CURDIR} && $${.MAKE} -f ${_this:S,${SRCTOP},\${SRCTOP},}'; \
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echo; echo '.-include "Makefile.inc"'; \
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echo ) > ${.TARGET:T}.new
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@mv ${.TARGET:T}.new ${.TARGET}
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.include <bsd.obj.mk>
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