1# $Id: bsd.after-import.mk,v 1.9 2012/09/20 00:30:15 sjg Exp $ 2 3# This makefile is for use when integrating bmake into a BSD build 4# system. Use this makefile after importing bmake. 5# It will bootstrap the new version, 6# capture the generated files we need, and add an after-import 7# target to allow the process to be easily repeated. 8 9# The goal is to allow the benefits of autoconf without 10# the overhead of running configure. 11 12all: _makefile 13all: after-import 14 15# we rely on bmake 16.if !defined(.PARSEDIR) 17.error this makefile requires bmake 18.endif 19 20_this := ${MAKEFILE:tA} 21BMAKE_SRC := ${.PARSEDIR} 22 23# it helps to know where the top of the tree is. 24.if !defined(SRCTOP) 25srctop := ${.MAKE.MAKEFILES:M*src/share/mk/sys.mk:H:H:H} 26.if empty(srctop) 27# likely locations? 28.for d in contrib/bmake external/bsd/bmake/dist 29.if ${BMAKE_SRC:M*/$d} != "" 30srctop := ${BMAKE_SRC:tA:S,/$d,,} 31.endif 32.endfor 33.endif 34.if !empty(srctop) 35SRCTOP := ${srctop} 36.endif 37.endif 38 39# This lets us match what boot-strap does 40.if !defined(HOST_OS) 41HOST_OS!= uname 42.endif 43 44# .../share/mk will find ${SRCTOP}/share/mk 45# if we are within ${SRCTOP} 46DEFAULT_SYS_PATH= .../share/mk:/usr/share/mk 47 48BOOTSTRAP_ARGS = \ 49 --with-default-sys-path='${DEFAULT_SYS_PATH}' \ 50 --prefix /usr \ 51 --share /usr/share \ 52 --mksrc none 53 54# run boot-strap with minimal influence 55bootstrap: ${BMAKE_SRC}/boot-strap ${MAKEFILE} 56 HOME=/ ${BMAKE_SRC}/boot-strap ${BOOTSTRAP_ARGS} ${BOOTSTRAP_XTRAS} 57 touch ${.TARGET} 58 59# Makefiles need a little more tweaking than say config.h 60MAKEFILE_SED = sed -e '/^MACHINE/d' \ 61 -e '/^PROG/ { s,=,?=,;s,bmake,$${.CURDIR:T},; }' \ 62 -e 's,^.-include,.sinclude,' \ 63 -e 's,${SRCTOP},$${SRCTOP},g' 64 65# These are the simple files we want to capture 66configured_files= config.h unit-tests/Makefile 67 68after-import: bootstrap ${MAKEFILE} 69.for f in ${configured_files:N*Makefile} 70 @echo Capturing $f 71 @mkdir -p ${${.CURDIR}/$f:L:H} 72 @cmp -s ${.CURDIR}/$f ${HOST_OS}/$f || \ 73 cp ${HOST_OS}/$f ${.CURDIR}/$f 74.endfor 75.for f in ${configured_files:M*Makefile} 76 @echo Capturing $f 77 @mkdir -p ${${.CURDIR}/$f:L:H} 78 @(echo '# This is a generated file, do NOT edit!'; \ 79 echo '# See ${_this:S,${SRCTOP}/,,}'; \ 80 echo '#'; echo '# $$${OS}$$'; echo; \ 81 echo 'SRCTOP?= $${.CURDIR:${${.CURDIR}/$f:L:H:S,${SRCTOP}/,,:C,[^/]+,H,g:S,/,:,g}}'; echo; \ 82 ${MAKEFILE_SED} ${HOST_OS}/$f ) > ${.CURDIR}/$f 83.endfor 84 85# this needs the most work 86_makefile: bootstrap ${MAKEFILE} 87 @echo Generating ${.CURDIR}/Makefile 88 @(echo '# This is a generated file, do NOT edit!'; \ 89 echo '# See ${_this:S,${SRCTOP}/,,}'; \ 90 echo '#'; echo '# $$${OS}$$'; \ 91 echo; echo '.sinclude "Makefile.inc"'; \ 92 echo; echo 'SRCTOP?= $${.CURDIR:${.CURDIR:S,${SRCTOP}/,,:C,[^/]+,H,g:S,/,:,g}}'; \ 93 echo; echo '# look here first for config.h'; \ 94 echo 'CFLAGS+= -I$${.CURDIR}'; echo; \ 95 ${MAKEFILE_SED} ${HOST_OS}/Makefile; \ 96 echo; echo '# override some simple things'; \ 97 echo 'BINDIR= /usr/bin'; \ 98 echo 'MANDIR= ${MANDIR:U/usr/share/man}'; \ 99 echo; echo '# make sure we get this'; \ 100 echo 'CFLAGS+= $${COPTS.$${.IMPSRC:T}}'; \ 101 echo 'CLEANFILES+= bootstrap'; \ 102 echo; echo 'after-import: ${_this:S,${SRCTOP},\${SRCTOP},}'; \ 103 echo ' cd $${.CURDIR} && $${.MAKE} -f ${_this:S,${SRCTOP},\${SRCTOP},}'; \ 104 echo ) > ${.TARGET} 105 @cmp -s ${.TARGET} ${.CURDIR}/Makefile || \ 106 mv ${.TARGET} ${.CURDIR}/Makefile 107 108.include <bsd.obj.mk> 109 110