1# $Id: bsd.after-import.mk,v 1.16 2020/07/12 03:39:01 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 _utmakefile 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(.MAKE.OS) 41HOST_OS:= ${.MAKE.OS} 42.elif !defined(HOST_OS) 43HOST_OS!= uname 44.endif 45 46BOOTSTRAP_ARGS = \ 47 --prefix /usr \ 48 --share /usr/share 49 50.if !empty(DEFAULT_SYS_PATH) 51BOOTSTRAP_ARGS += --with-default-sys-path='${DEFAULT_SYS_PATH}' 52.endif 53 54# run boot-strap with minimal influence 55bootstrap: ${BMAKE_SRC}/boot-strap ${MAKEFILE} 56 HOME=/ ${BMAKE_SRC}/boot-strap -o ${HOST_OS} ${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 '/include.*VERSION/d' \ 62 -e '/^PROG/ { s,=,?=,;s,bmake,$${.CURDIR:T},; }' \ 63 -e 's,^.-include,.sinclude,' \ 64 -e '/^\..*include *</ { s,<,<bsd.,;/autoconf/d; }' \ 65 -e 's,${SRCTOP},$${SRCTOP},g' 66 67# These are the simple files we want to capture 68configured_files= config.h Makefile.config unit-tests/Makefile.config 69 70after-import: bootstrap ${MAKEFILE} 71.for f in ${configured_files:M*.[ch]} 72 @echo Capturing $f 73 @mkdir -p ${${.CURDIR}/$f:L:H} 74 @(echo '/* $$${HOST_OS}$$ */'; cat ${HOST_OS}/$f) > ${.CURDIR}/$f 75.endfor 76.for f in ${configured_files:M*Makefile*} 77 @echo Capturing $f 78 @mkdir -p ${${.CURDIR}/$f:L:H} 79 @(echo '# This is a generated file, do NOT edit!'; \ 80 echo '# See ${_this:S,${SRCTOP}/,,}'; \ 81 echo '#'; echo '# $$${HOST_OS}$$'; echo; \ 82 echo 'SRCTOP?= $${.CURDIR:${${.CURDIR}/$f:L:H:S,${SRCTOP}/,,:C,[^/]+,H,g:S,/,:,g}}'; echo; \ 83 ${MAKEFILE_SED} ${HOST_OS}/$f ) > ${.CURDIR}/$f 84.endfor 85 86# this needs the most work 87_makefile: bootstrap ${MAKEFILE} 88 @echo Generating ${.CURDIR}/Makefile 89 @(echo '# This is a generated file, do NOT edit!'; \ 90 echo '# See ${_this:S,${SRCTOP}/,,}'; \ 91 echo '#'; echo '# $$${HOST_OS}$$'; \ 92 echo; echo 'SRCTOP?= $${.CURDIR:${.CURDIR:S,${SRCTOP}/,,:C,[^/]+,H,g:S,/,:,g}}'; \ 93 echo; echo '# look here first for config.h'; \ 94 echo 'CFLAGS+= -I$${.CURDIR}'; echo; \ 95 echo '# for after-import'; \ 96 echo 'CLEANDIRS+= ${HOST_OS}'; \ 97 echo 'CLEANFILES+= bootstrap'; echo; \ 98 ${MAKEFILE_SED} \ 99 ${1 2:L:@n@-e '/start-delete$n/,/end-delete$n/d'@} \ 100 ${BMAKE_SRC}/Makefile; \ 101 echo; echo '# override some simple things'; \ 102 echo 'BINDIR= /usr/bin'; \ 103 echo 'MANDIR= ${MANDIR:U/usr/share/man}'; \ 104 echo; echo '# make sure we get this'; \ 105 echo 'CFLAGS+= $${COPTS.$${.IMPSRC:T}}'; \ 106 echo; echo 'after-import: ${_this:S,${SRCTOP},\${SRCTOP},}'; \ 107 echo ' cd $${.CURDIR} && $${.MAKE} -f ${_this:S,${SRCTOP},\${SRCTOP},}'; \ 108 echo ) > ${.TARGET} 109 @cmp -s ${.TARGET} ${.CURDIR}/Makefile || \ 110 mv ${.TARGET} ${.CURDIR}/Makefile 111 112_utmakefile: bootstrap ${MAKEFILE} 113 @echo Generating ${.CURDIR}/unit-tests/Makefile 114 @mkdir -p ${.CURDIR}/unit-tests 115 @(echo '# This is a generated file, do NOT edit!'; \ 116 echo '# See ${_this:S,${SRCTOP}/,,}'; \ 117 echo '#'; echo '# $$${HOST_OS}$$'; \ 118 ${MAKEFILE_SED} \ 119 -e '/^UNIT_TESTS/s,=.*,= $${srcdir},' \ 120 ${BMAKE_SRC}/unit-tests/Makefile ) > ${.TARGET} 121 @cmp -s ${.TARGET} ${.CURDIR}/unit-tests/Makefile || \ 122 mv ${.TARGET} ${.CURDIR}/unit-tests/Makefile 123 124 125.include <bsd.obj.mk> 126 127