bsd.progs.mk revision 298503 
1# $FreeBSD: stable/10/share/mk/bsd.progs.mk 298503 2016-04-23 07:09:23Z ngie $
2# $Id: progs.mk,v 1.11 2012/11/06 17:18:54 sjg Exp $
3#
4#	@(#) Copyright (c) 2006, Simon J. Gerraty
5#
6#	This file is provided in the hope that it will
7#	be of use.  There is absolutely NO WARRANTY.
8#	Permission to copy, redistribute or otherwise
9#	use this file is hereby granted provided that 
10#	the above copyright notice and this notice are
11#	left intact. 
12#      
13#	Please send copies of changes and bug-fixes to:
14#	sjg@crufty.net
15#
16
17.MAIN: all
18
19.if defined(PROGS) || defined(PROGS_CXX)
20# we really only use PROGS below...
21PROGS += ${PROGS_CXX}
22
23# In meta mode, we can capture dependenices for _one_ of the progs.
24# if makefile doesn't nominate one, we use the first.
25.if defined(.PARSEDIR)
26.ifndef UPDATE_DEPENDFILE_PROG
27UPDATE_DEPENDFILE_PROG = ${PROGS:[1]}
28.export UPDATE_DEPENDFILE_PROG
29.endif
30.else
31UPDATE_DEPENDFILE_PROG?= no
32.endif
33
34.if defined(PROG)
35# just one of many
36PROG_OVERRIDE_VARS +=	BINDIR BINGRP BINOWN BINMODE DPSRCS MAN NO_WERROR \
37			PROGNAME SRCS STRIP WARNS
38PROG_VARS +=	CFLAGS CXXFLAGS DEBUG_FLAGS DPADD LDADD LIBADD LINKS \
39		LDFLAGS MLINKS ${PROG_OVERRIDE_VARS}
40.for v in ${PROG_VARS:O:u}
41.if empty(${PROG_OVERRIDE_VARS:M$v})
42.if defined(${v}.${PROG})
43$v += ${${v}.${PROG}}
44.elif defined(${v}_${PROG})
45$v += ${${v}_${PROG}}
46.endif
47.else
48$v ?=
49.endif
50.endfor
51
52# for meta mode, there can be only one!
53.if ${PROG} == ${UPDATE_DEPENDFILE_PROG}
54UPDATE_DEPENDFILE ?= yes
55.endif
56UPDATE_DEPENDFILE ?= NO
57
58# ensure that we don't clobber each other's dependencies
59DEPENDFILE?= .depend.${PROG}
60# prog.mk will do the rest
61.else # !defined(PROG)
62all: ${PROGS}
63
64# We cannot capture dependencies for meta mode here
65UPDATE_DEPENDFILE = NO
66# nor can we safely run in parallel.
67.NOTPARALLEL:
68.endif
69.endif	# PROGS || PROGS_CXX
70
71# These are handled by the main make process.
72.ifdef _RECURSING_PROGS
73_PROGS_GLOBAL_VARS= CLEANFILES CLEANDIRS FILESGROUPS INCSGROUPS SCRIPTS
74.for v in ${_PROGS_GLOBAL_VARS}
75$v =
76.endfor
77.endif
78
79# handle being called [bsd.]progs.mk
80.include <bsd.prog.mk>
81
82.if !empty(PROGS) && !defined(_RECURSING_PROGS) && !defined(PROG)
83# tell progs.mk we might want to install things
84PROGS_TARGETS+= checkdpadd clean cleandepend cleandir depend install
85
86# Find common sources among the PROGS and depend on them before building
87# anything.  This allows parallelization without them each fighting over
88# the same objects.
89_PROGS_COMMON_SRCS=
90_PROGS_ALL_SRCS=
91.for p in ${PROGS}
92.for s in ${SRCS.${p}}
93.if ${_PROGS_ALL_SRCS:M${s}} && !${_PROGS_COMMON_SRCS:M${s}}
94_PROGS_COMMON_SRCS+=	${s}
95.else
96_PROGS_ALL_SRCS+=	${s}
97.endif
98.endfor
99.endfor
100.if !empty(_PROGS_COMMON_SRCS)
101_PROGS_COMMON_OBJS=	${_PROGS_COMMON_SRCS:M*.[dhly]}
102.if !empty(_PROGS_COMMON_SRCS:N*.[dhly])
103_PROGS_COMMON_OBJS+=	${_PROGS_COMMON_SRCS:N*.[dhly]:R:S/$/.o/g}
104.endif
105${PROGS}: ${_PROGS_COMMON_OBJS}
106.endif
107
108.for p in ${PROGS}
109.if defined(PROGS_CXX) && !empty(PROGS_CXX:M$p)
110# bsd.prog.mk may need to know this
111x.$p= PROG_CXX=$p
112.endif
113
114# Main PROG target
115$p ${p}_p: .PHONY .MAKE
116	(cd ${.CURDIR} && \
117	    NO_SUBDIR=1 ${MAKE} -f ${MAKEFILE} _RECURSING_PROGS=t \
118	    PROG=$p \
119	    DEPENDFILE=.depend.$p .MAKE.DEPENDFILE=.depend.$p \
120	    ${x.$p})
121
122# Pseudo targets for PROG, such as 'install'.
123.for t in ${PROGS_TARGETS:O:u}
124$p.$t: .PHONY .MAKE
125	(cd ${.CURDIR} && \
126	    NO_SUBDIR=1 ${MAKE} -f ${MAKEFILE} _RECURSING_PROGS=t \
127	    PROG=$p \
128	    DEPENDFILE=.depend.$p .MAKE.DEPENDFILE=.depend.$p \
129	    ${x.$p} ${@:E})
130.endfor
131.endfor
132
133# Depend main pseudo targets on all PROG.pseudo targets too.
134.for t in ${PROGS_TARGETS:O:u}
135.if make(${t})
136$t: ${PROGS:%=%.$t}
137.endif
138.endfor
139.endif	# !empty(PROGS) && !defined(_RECURSING_PROGS) && !defined(PROG)
140