1 # $Id: bsd.after-import.mk,v 1.13 2017/08/13 00:56:10 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 '/include.*VERSION/d' \
60 -e '/^PROG/ { s,=,?=,;s,bmake,$${.CURDIR:T},; }' \
61 -e 's,^.-include,.sinclude,' \
62 -e '/^\..*include *</ { s,<,<bsd.,;/autoconf/d; }' \
63 -e 's,${SRCTOP},$${SRCTOP},g'
65 # These are the simple files we want to capture
66 configured_files= config.h Makefile.config unit-tests/Makefile
68 after-import: bootstrap ${MAKEFILE}
69 .for f in ${configured_files:M*.[ch]}
71 @mkdir -p ${${.CURDIR}/$f:L:H}
72 @(echo '/* $$${HOST_OS}$$ */'; cat ${HOST_OS}/$f) > ${.CURDIR}/$f
74 .for f in ${configured_files:M*Makefile*}
76 @mkdir -p ${${.CURDIR}/$f:L:H}
77 @(echo '# This is a generated file, do NOT edit!'; \
78 echo '# See ${_this:S,${SRCTOP}/,,}'; \
79 echo '#'; echo '# $$${HOST_OS}$$'; echo; \
80 echo 'SRCTOP?= $${.CURDIR:${${.CURDIR}/$f:L:H:S,${SRCTOP}/,,:C,[^/]+,H,g:S,/,:,g}}'; echo; \
81 ${MAKEFILE_SED} ${HOST_OS}/$f ) > ${.CURDIR}/$f
84 # this needs the most work
85 _makefile: bootstrap ${MAKEFILE}
86 @echo Generating ${.CURDIR}/Makefile
87 @(echo '# This is a generated file, do NOT edit!'; \
88 echo '# See ${_this:S,${SRCTOP}/,,}'; \
89 echo '#'; echo '# $$${HOST_OS}$$'; \
90 echo; echo '.sinclude "Makefile.inc"'; \
91 echo; echo 'SRCTOP?= $${.CURDIR:${.CURDIR:S,${SRCTOP}/,,:C,[^/]+,H,g:S,/,:,g}}'; \
92 echo; echo '# look here first for config.h'; \
93 echo 'CFLAGS+= -I$${.CURDIR}'; echo; \
94 echo '# for after-import'; \
95 echo 'CLEANDIRS+= ${HOST_OS}'; \
96 echo 'CLEANFILES+= bootstrap'; echo; \
98 ${1 2:L:@n@-e '/start-delete$n/,/end-delete$n/d'@} \
99 ${BMAKE_SRC}/Makefile; \
100 echo; echo '# override some simple things'; \
101 echo 'BINDIR= /usr/bin'; \
102 echo 'MANDIR= ${MANDIR:U/usr/share/man}'; \
103 echo; echo '# make sure we get this'; \
104 echo 'CFLAGS+= $${COPTS.$${.IMPSRC:T}}'; \
105 echo; echo 'after-import: ${_this:S,${SRCTOP},\${SRCTOP},}'; \
106 echo ' cd $${.CURDIR} && $${.MAKE} -f ${_this:S,${SRCTOP},\${SRCTOP},}'; \
108 @cmp -s ${.TARGET} ${.CURDIR}/Makefile || \
109 mv ${.TARGET} ${.CURDIR}/Makefile
111 .include <bsd.obj.mk>