1# $Id: bsd.after-import.mk,v 1.12 2014/02/14 23:45:49 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 := ${srctop} 36.endif 37.endif 38 39# This lets us match what boot-strap does 40.if !defined(HOST_OS) 41HOST_OS!= uname 42.endif 43 44BOOTSTRAP_ARGS = \ 45 --prefix /usr \ 46 --share /usr/share 47 48.if !empty(DEFAULT_SYS_PATH) 49BOOTSTRAP_ARGS += --with-default-sys-path='${DEFAULT_SYS_PATH}' 50.endif 51 52# run boot-strap with minimal influence 53bootstrap: ${BMAKE_SRC}/boot-strap ${MAKEFILE} 54 HOME=/ ${BMAKE_SRC}/boot-strap -o ${HOST_OS} ${BOOTSTRAP_ARGS} ${BOOTSTRAP_XTRAS} 55 touch ${.TARGET} 56 57# Makefiles need a little more tweaking than say config.h 58MAKEFILE_SED = sed -e '/^MACHINE/d' \ 59 -e '/^PROG/ { s,=,?=,;s,bmake,$${.CURDIR:T},; }' \ 60 -e 's,^.-include,.sinclude,' \ 61 -e '/^\..*include *</ { s,<,<bsd.,;/autoconf/d; }' \ 62 -e 's,${SRCTOP},$${SRCTOP},g' 63 64# These are the simple files we want to capture 65configured_files= config.h Makefile.config unit-tests/Makefile 66 67after-import: bootstrap ${MAKEFILE} 68.for f in ${configured_files:M*.[ch]} 69 @echo Capturing $f 70 @mkdir -p ${${.CURDIR}/$f:L:H} 71 @(echo '/* $$${HOST_OS}$$ */'; cat ${HOST_OS}/$f) > ${.CURDIR}/$f 72.endfor 73.for f in ${configured_files:M*Makefile*} 74 @echo Capturing $f 75 @mkdir -p ${${.CURDIR}/$f:L:H} 76 @(echo '# This is a generated file, do NOT edit!'; \ 77 echo '# See ${_this:S,${SRCTOP}/,,}'; \ 78 echo '#'; echo '# $$${HOST_OS}$$'; echo; \ 79 echo 'SRCTOP?= $${.CURDIR:${${.CURDIR}/$f:L:H:S,${SRCTOP}/,,:C,[^/]+,H,g:S,/,:,g}}'; echo; \ 80 ${MAKEFILE_SED} ${HOST_OS}/$f ) > ${.CURDIR}/$f 81.endfor 82 83# this needs the most work 84_makefile: bootstrap ${MAKEFILE} 85 @echo Generating ${.CURDIR}/Makefile 86 @(echo '# This is a generated file, do NOT edit!'; \ 87 echo '# See ${_this:S,${SRCTOP}/,,}'; \ 88 echo '#'; echo '# $$${HOST_OS}$$'; \ 89 echo; echo '.sinclude "Makefile.inc"'; \ 90 echo; echo 'SRCTOP?= $${.CURDIR:${.CURDIR:S,${SRCTOP}/,,:C,[^/]+,H,g:S,/,:,g}}'; \ 91 echo; echo '# look here first for config.h'; \ 92 echo 'CFLAGS+= -I$${.CURDIR}'; echo; \ 93 echo '# for after-import'; \ 94 echo 'CLEANDIRS+= ${HOST_OS}'; \ 95 echo 'CLEANFILES+= bootstrap'; echo; \ 96 ${MAKEFILE_SED} \ 97 ${1 2:L:@n@-e '/start-delete$n/,/end-delete$n/d'@} \ 98 ${BMAKE_SRC}/Makefile; \ 99 echo; echo '# override some simple things'; \ 100 echo 'BINDIR= /usr/bin'; \ 101 echo 'MANDIR= ${MANDIR:U/usr/share/man}'; \ 102 echo; echo '# make sure we get this'; \ 103 echo 'CFLAGS+= $${COPTS.$${.IMPSRC:T}}'; \ 104 echo; echo 'after-import: ${_this:S,${SRCTOP},\${SRCTOP},}'; \ 105 echo ' cd $${.CURDIR} && $${.MAKE} -f ${_this:S,${SRCTOP},\${SRCTOP},}'; \ 106 echo ) > ${.TARGET} 107 @cmp -s ${.TARGET} ${.CURDIR}/Makefile || \ 108 mv ${.TARGET} ${.CURDIR}/Makefile 109 110.include <bsd.obj.mk> 111 112