1 # $Id: bsd.after-import.mk,v 1.12 2014/02/14 23:45:49 sjg Exp $
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.
9 # The goal is to allow the benefits of autoconf without
10 # the overhead of running configure.
16 .if !defined(.PARSEDIR)
17 .error this makefile requires bmake
20 _this := ${MAKEFILE:tA}
21 BMAKE_SRC := ${.PARSEDIR}
23 # it helps to know where the top of the tree is.
25 srctop := ${.MAKE.MAKEFILES:M*src/share/mk/sys.mk:H:H:H}
28 .for d in contrib/bmake external/bsd/bmake/dist
29 .if ${BMAKE_SRC:M*/$d} != ""
30 srctop := ${BMAKE_SRC:tA:S,/$d,,}
39 # This lets us match what boot-strap does
48 .if !empty(DEFAULT_SYS_PATH)
49 BOOTSTRAP_ARGS += --with-default-sys-path='${DEFAULT_SYS_PATH}'
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}
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'
64 # These are the simple files we want to capture
65 configured_files= config.h Makefile.config unit-tests/Makefile
67 after-import: bootstrap ${MAKEFILE}
68 .for f in ${configured_files:M*.[ch]}
70 @mkdir -p ${${.CURDIR}/$f:L:H}
71 @(echo '/* $$${HOST_OS}$$ */'; cat ${HOST_OS}/$f) > ${.CURDIR}/$f
73 .for f in ${configured_files:M*Makefile*}
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?= $${.CURDIR:${${.CURDIR}/$f:L:H:S,${SRCTOP}/,,:C,[^/]+,H,g:S,/,:,g}}'; echo; \
80 ${MAKEFILE_SED} ${HOST_OS}/$f ) > ${.CURDIR}/$f
83 # this needs the most work
84 _makefile: bootstrap ${MAKEFILE}
85 @echo Generating ${.CURDIR}/Makefile
86 @(echo '# This is a generated file, do NOT edit!'; \
87 echo '# See ${_this:S,${SRCTOP}/,,}'; \
88 echo '#'; echo '# $$${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$${.CURDIR}'; echo; \
93 echo '# for after-import'; \
94 echo 'CLEANDIRS+= ${HOST_OS}'; \
95 echo 'CLEANFILES+= bootstrap'; echo; \
97 ${1 2:L:@n@-e '/start-delete$n/,/end-delete$n/d'@} \
98 ${BMAKE_SRC}/Makefile; \
99 echo; echo '# override some simple things'; \
100 echo 'BINDIR= /usr/bin'; \
101 echo 'MANDIR= ${MANDIR:U/usr/share/man}'; \
102 echo; echo '# make sure we get this'; \
103 echo 'CFLAGS+= $${COPTS.$${.IMPSRC:T}}'; \
104 echo; echo 'after-import: ${_this:S,${SRCTOP},\${SRCTOP},}'; \
105 echo ' cd $${.CURDIR} && $${.MAKE} -f ${_this:S,${SRCTOP},\${SRCTOP},}'; \
107 @cmp -s ${.TARGET} ${.CURDIR}/Makefile || \
108 mv ${.TARGET} ${.CURDIR}/Makefile
110 .include <bsd.obj.mk>