Makefile revision 275339 
1# $FreeBSD: projects/bmake/targets/Makefile 275339 2014-11-30 18:45:46Z sjg $
2
3# This is the top-level makefile - derrived from the Junos version
4#
5# If a subdir that matches the requested target exists, we assume
6# a build target and initialize DIRDEPS, dirdeps.mk does the rest.
7#
8# Otherwise we include Makefile.xtras and hope it knows what to do.
9#
10
11# Copyright (c) 2010-2012, Juniper Networks, Inc.
12# 
13# Redistribution and use in source and binary forms, with or without
14# modification, are permitted provided that the following conditions 
15# are met: 
16# 1. Redistributions of source code must retain the above copyright
17#    notice, this list of conditions and the following disclaimer. 
18# 2. Redistributions in binary form must reproduce the above copyright
19#    notice, this list of conditions and the following disclaimer in the
20#    documentation and/or other materials provided with the distribution.  
21# 
22# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
23# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
24# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
25# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
26# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
27# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
28# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
29# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
30# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
31# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
32# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
33
34.if ${.MAKE.LEVEL} == 0
35
36# this is our top-level makefile
37.if make(pkg-*)
38DIRDEPS_FILTER = Mtargets/*
39.endif
40
41# in theory, this is what we want
42target_dirs = targets targets/pseudo
43# these tweak how we do it
44target_prefix = pkg- build-
45DIRDEPS := ${.TARGETS:Nall:${target_prefix:@p@S,^$p,,@:ts:}:@t@${target_dirs:@d@$d/$t@}@:@d@${exists(${SRCTOP}/$d):?$d:}@}
46
47.if ${DIRDEPS:Mtargets/pseudo/*} != ""
48# all bets are off
49PKG_MACHINE_LIST = ${ALL_MACHINE_LIST}
50.endif
51
52.if make(check-commit)
53# a special case
54DIRDEPS = targets/pseudo/check-commit
55.if defined(ALL_MACHINES)
56CHECK_MACHINE_LIST = all
57.undef ALL_MACHINES
58.endif
59SHIPDIR = no
60
61.else
62
63all_machine_list = ${ALL_MACHINE_LIST} host common
64.if defined(ALL_MACHINES)
65DIRDEPS := ${DIRDEPS:O:u:@d@${all_machine_list:O:u:@m@${exists(${SRCTOP}/$d/${.MAKE.DEPENDFILE_PREFIX:T}.$m):?$d.$m:}@}@}
66.undef ALL_MACHINES
67PKG_MACHINE_LIST ?= ${DIRDEPS:E:O:u}
68.elif defined(HOST_MACHINE) && ${MACHINE} == ${HOST_MACHINE}
69# the above may be insufficient.
70# some packages only support one machine which may not be ${MACHINE}
71# some support multiple, in which case unless ALL_MACHINES is defined
72# we only want ${MACHINE}
73plain := ${DIRDEPS:@d@${exists(${SRCTOP}/$d/${.MAKE.DEPENDFILE_PREFIX:T}):?$d:}@}
74.if ${plain} != ${DIRDEPS}
75qual := ${DIRDEPS:${plain:${M_ListToSkip}}:@d@${all_machine_list:O:u:@m@${exists(${SRCTOP}/$d/${.MAKE.DEPENDFILE_PREFIX:T}.$m):?$d.$m:}@}@}
76DIRDEPS := ${plain} ${qual}
77PKG_MACHINE_LIST ?= ${MACHINE} ${qual:E:O:u}
78.endif
79.else
80# check that a .MAKE.DEPENDFILE exists
81DIRDEPS := ${.MAKE.DEPENDFILE_PREFERENCE:T:@m@${DIRDEPS:@d@${exists(${SRCTOP}/$d/$m):?$d:}@}@:O:u}
82.endif
83.if !empty(PKG_MACHINE_LIST)
84.if ${PKG_MACHINE_LIST:Mdepend} != ""
85PKG_MACHINE_LIST = ${ALL_MACHINE_LIST}
86.endif
87PKG_MACHINE_LIST := ${PKG_MACHINE_LIST}
88.endif
89.endif
90
91# we don't use DIRDEPS_FILTER, since we only want it to 
92# apply to this initial list
93.if !empty(REQUESTED_MACHINE) && !empty(DIRDEPS)
94# this is a variant of the logic above, we want plain
95# but need to filter the qualified DIRDEPS to REQUESTED_MACHINE
96plain := ${DIRDEPS:@d@${exists(${SRCTOP}/$d/${.MAKE.DEPENDFILE_PREFIX:T}):?$d:}@}
97.if ${plain} != ${DIRDEPS}
98qual := ${DIRDEPS:${plain:${M_ListToSkip}}:M*.${REQUESTED_MACHINE}}
99.if empty(qual)
100qual := ${DIRDEPS:@d@${exists(${SRCTOP}/$d/${.MAKE.DEPENDFILE:T}):?$d.${.MAKE.DEPENDFILE:E}:}@}
101.endif
102DIRDEPS := ${plain} ${qual}
103.endif
104.if empty(DIRDEPS)
105.error ${REQUESTED_MACHINE} is not appropriate for ${DEP_RELDIR:T}
106.endif
107.endif
108
109.if !empty(build_options)
110build_options := ${build_options:O:u}
111.for v in ${build_options}
112$v = yes
113.endfor
114.export ${build_options}
115.endif
116
117.if !empty(DIRDEPS)
118# This is printed as we read the makefile
119# so provides a useful clue as to when we really started.
120# This allows us to work out how long reading 
121# Makefile.depend* takes.
122.if ${.MAKEFLAGS:M-V} == ""
123.info ${.newline}${TIME_STAMP} Start ${.TARGETS}
124now_utc = ${%s:L:gmtime}
125start_utc := ${now_utc}
126.endif
127
128_begin = count-makefiles
129
130__DEFAULT_YES_OPTIONS+= \
131	CLEAN_ERROR_LOGS
132
133.include <bsd.mkopt.mk>
134
135.if ${MK_CLEAN_ERROR_LOGS} == "yes"
136_begin += clean-error-logs
137.endif
138
139.if !empty(_begin) && !make(clean*)
140dirdeps: ${_begin} .WAIT
141.endif
142
143.include "Makefile.inc"
144
145.include <dirdeps.mk>
146
147.for t in ${.TARGETS:Nall:Nclean*:${_begin:Uall:${M_ListToSkip}}}
148$t: dirdeps
149.endfor
150
151elapsed_time= seconds=`expr ${now_utc} - ${start_utc}`
152
153count-makefiles: .NOMETA
154	@echo "${TIME_STAMP} Makefiles read: total=${.MAKE.MAKEFILES:[#]} depend=${.MAKE.MAKEFILES:M*depend*:[#]} dirdeps=${.ALLTARGETS:M${SRCTOP}*:O:u:[#]} ${elapsed_time}"
155
156.END: _build_finish
157_build_finish:	.NOMETA
158	@echo "${TIME_STAMP} Finished ${.TARGETS} ${elapsed_time}"
159
160.ERROR: _build_failed
161_build_failed: .NOMETA
162	@echo "${TIME_STAMP} Failed ${.TARGETS} ${elapsed_time}"
163
164.endif					# !empty(DIRDEPS)
165
166clean-error-logs: .NOMETA
167	@test ! -d ${meta_error_log:H} || rm -f ${meta_error_log:H}/*log
168
169.if !target(_DIRDEP_USE)
170# we did not read dirdeps.mk above, the target may be here
171.include "Makefile.xtras"
172.endif
173
174.else
175# dirdeps does it all
176all:
177.endif					# .MAKE.LEVEL == 0
178
179