contrib/bmake/bsd.after-import.mk

   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
  12 all: _makefile
  13 all: 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}
  21 BMAKE_SRC := ${.PARSEDIR}
  22
  23 # it helps to know where the top of the tree is.
  24 .if !defined(SRCTOP)
  25 srctop := ${.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} != ""
  30 srctop := ${BMAKE_SRC:tA:S,/$d,,}
  31 .endif
  32 .endfor
  33 .endif
  34 .if !empty(srctop)
  35 SRCTOP := ${srctop}
  36 .endif
  37 .endif
  38
  39 # This lets us match what boot-strap does
  40 .if !defined(HOST_OS)
  41 HOST_OS!= uname
  42 .endif
  43
  44 BOOTSTRAP_ARGS = \
  45         --prefix /usr \
  46         --share /usr/share
  47
  48 .if !empty(DEFAULT_SYS_PATH)
  49 BOOTSTRAP_ARGS += --with-default-sys-path='${DEFAULT_SYS_PATH}'
  50 .endif
  51
  52 # run boot-strap with minimal influence
  53 bootstrap:      ${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
  58 MAKEFILE_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
  65 configured_files= config.h Makefile.config unit-tests/Makefile
  66
  67 after-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