1# $Id: bsd.after-import.mk,v 1.19 2024/09/21 22:44:55 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 '/^CC=/s,=,?=,' \ 63 -e '/^PROG/ { s,=,?=,;s,bmake,$${.CURDIR:T},; }' \ 64 -e '/^\..*include *</ { s,<\([a-z]\),<bsd.\1,;/autoconf/d; }' \ 65 -e 's,${SRCTOP},$${SRCTOP},g' 66 67# These are the simple files we want to capture 68configured_files= config.h Makefile.config unit-tests/Makefile.config 69 70# FreeBSD has dropped their tag with svn 71.if ${HOST_OS:NFreeBSD} == "" 72ECHO_TAG= : 73.else 74ECHO_TAG?= echo 75.endif 76 77after-import: bootstrap ${MAKEFILE} 78.for f in ${configured_files:M*.[ch]} 79 @echo Capturing $f 80 @mkdir -p ${${.CURDIR}/$f:L:H} 81 @(${ECHO_TAG} '/* $$${HOST_OS}$$ */'; cat ${HOST_OS}/$f) > ${.CURDIR}/$f 82.endfor 83.for f in ${configured_files:M*Makefile*} 84 @echo Capturing $f 85 @mkdir -p ${${.CURDIR}/$f:L:H} 86 @(echo '# This is a generated file, do NOT edit!'; \ 87 echo '# See ${_this:S,${SRCTOP}/,,}'; \ 88 echo '#'; ${ECHO_TAG} '# $$${HOST_OS}$$'; echo; \ 89 echo 'SRCTOP?= $${.CURDIR:${${.CURDIR}/$f:L:H:S,${SRCTOP}/,,:C,[^/]+,H,g:S,/,:,g}}'; echo; \ 90 ${MAKEFILE_SED} ${HOST_OS}/$f ) > ${.CURDIR}/$f 91.endfor 92 93# this needs the most work 94_makefile: bootstrap ${MAKEFILE} 95 @echo Generating ${.CURDIR}/Makefile 96 @(echo '# This is a generated file, do NOT edit!'; \ 97 echo '# See ${_this:S,${SRCTOP}/,,}'; \ 98 echo '#'; ${ECHO_TAG} '# $$${HOST_OS}$$'; \ 99 echo; echo 'SRCTOP?= $${.CURDIR:${.CURDIR:S,${SRCTOP}/,,:C,[^/]+,H,g:S,/,:,g}}'; \ 100 echo; echo '# look here first for config.h'; \ 101 echo 'CFLAGS+= -I$${.CURDIR}'; echo; \ 102 echo '# for after-import'; \ 103 echo 'CLEANDIRS+= ${HOST_OS}'; \ 104 echo 'CLEANFILES+= bootstrap'; echo; \ 105 ${MAKEFILE_SED} \ 106 ${1 2:L:@n@-e '/start-delete$n/,/end-delete$n/d'@} \ 107 ${BMAKE_SRC}/Makefile; \ 108 echo; echo '# override some simple things'; \ 109 echo 'BINDIR= /usr/bin'; \ 110 echo 'MANDIR= ${MANDIR:U/usr/share/man}'; \ 111 echo; echo '# make sure we get this'; \ 112 echo 'CFLAGS+= $${COPTS.$${.IMPSRC:T}}'; \ 113 echo; echo 'after-import: ${_this:S,${SRCTOP},\${SRCTOP},}'; \ 114 echo ' cd $${.CURDIR} && $${.MAKE} -f ${_this:S,${SRCTOP},\${SRCTOP},}'; \ 115 echo ) > ${.TARGET} 116 @cmp -s ${.TARGET} ${.CURDIR}/Makefile || \ 117 mv ${.TARGET} ${.CURDIR}/Makefile 118 119_utmakefile: bootstrap ${MAKEFILE} 120 @echo Generating ${.CURDIR}/unit-tests/Makefile 121 @mkdir -p ${.CURDIR}/unit-tests 122 @(echo '# This is a generated file, do NOT edit!'; \ 123 echo '# See ${_this:S,${SRCTOP}/,,}'; \ 124 echo '#'; ${ECHO_TAG} '# $$${HOST_OS}$$'; \ 125 ${MAKEFILE_SED} \ 126 -e '/^UNIT_TESTS/s,=.*,= $${srcdir},' \ 127 ${BMAKE_SRC}/unit-tests/Makefile ) > ${.TARGET} 128 @cmp -s ${.TARGET} ${.CURDIR}/unit-tests/Makefile || \ 129 mv ${.TARGET} ${.CURDIR}/unit-tests/Makefile 130 131 132.include <bsd.obj.mk> 133 134