freebsd-skq/share/mk/bsd.progs.mk
sjg 4f920c8c89 Do not override variables on command line that build needs to change.
It is sufficient to explicitly set DEPENDFILE in env for each sub-make.
2015-06-11 21:11:33 +00:00

124 lines
2.7 KiB
Makefile

# $FreeBSD$
# $Id: progs.mk,v 1.11 2012/11/06 17:18:54 sjg Exp $
#
# @(#) Copyright (c) 2006, Simon J. Gerraty
#
# This file is provided in the hope that it will
# be of use. There is absolutely NO WARRANTY.
# Permission to copy, redistribute or otherwise
# use this file is hereby granted provided that
# the above copyright notice and this notice are
# left intact.
#
# Please send copies of changes and bug-fixes to:
# sjg@crufty.net
#
.MAIN: all
.if defined(PROGS) || defined(PROGS_CXX)
# we really only use PROGS below...
PROGS += ${PROGS_CXX}
# In meta mode, we can capture dependenices for _one_ of the progs.
# if makefile doesn't nominate one, we use the first.
.ifndef UPDATE_DEPENDFILE_PROG
UPDATE_DEPENDFILE_PROG = ${PROGS:[1]}
.export UPDATE_DEPENDFILE_PROG
.endif
.ifndef PROG
# They may have asked us to build just one
.for t in ${PROGS}
.if make($t)
PROG ?= $t
.endif
.endfor
.endif
.if defined(PROG)
# just one of many
PROG_OVERRIDE_VARS += BINDIR DPSRCS MAN SRCS
PROG_VARS += CFLAGS CPPFLAGS CXXFLAGS DPADD DPLIBS LDADD LIBADD LDFLAGS ${PROG_OVERRIDE_VARS}
.for v in ${PROG_VARS:O:u}
.if empty(${PROG_OVERRIDE_VARS:M$v})
.if defined(${v}.${PROG})
$v += ${${v}.${PROG}}
.elif defined(${v}_${PROG})
$v += ${${v}_${PROG}}
.endif
.else
$v ?=
.endif
.endfor
# for meta mode, there can be only one!
.if ${PROG} == ${UPDATE_DEPENDFILE_PROG}
UPDATE_DEPENDFILE ?= yes
.endif
UPDATE_DEPENDFILE ?= NO
# prog.mk will do the rest
.else
all: ${FILES} ${PROGS} ${SCRIPTS}
# We cannot capture dependencies for meta mode here
UPDATE_DEPENDFILE = NO
# nor can we safely run in parallel.
.NOTPARALLEL:
.endif
.endif
# The non-recursive call to bsd.progs.mk will handle FILES; NUL out
# FILESGROUPS so recursive calls don't duplicate the work
.ifdef _RECURSING_PROGS
FILESGROUPS=
.endif
# handle being called [bsd.]progs.mk
.include <bsd.prog.mk>
.ifndef _RECURSING_PROGS
# tell progs.mk we might want to install things
PROGS_TARGETS+= checkdpadd clean cleandepend cleandir cleanobj depend install
.for p in ${PROGS}
.if defined(PROGS_CXX) && !empty(PROGS_CXX:M$p)
# bsd.prog.mk may need to know this
x.$p= PROG_CXX=$p
.endif
$p ${p}_p: .PHONY .MAKE
(cd ${.CURDIR} && \
DEPENDFILE=.depend.$p \
${MAKE} -f ${MAKEFILE} _RECURSING_PROGS= \
SUBDIR= PROG=$p ${x.$p})
.for t in ${PROGS_TARGETS:O:u}
$p.$t: .PHONY .MAKE
(cd ${.CURDIR} && \
DEPENDFILE=.depend.$p \
${MAKE} -f ${MAKEFILE} _RECURSING_PROGS= \
SUBDIR= PROG=$p ${x.$p} ${@:E})
.endfor
.endfor
.if !empty(PROGS)
.for t in ${PROGS_TARGETS:O:u}
$t: ${PROGS:%=%.$t}
.endfor
.endif
.if empty(PROGS) && !empty(SCRIPTS)
.for t in ${PROGS_TARGETS:O:u}
scripts.$t: .PHONY .MAKE
(cd ${.CURDIR} && ${MAKE} -f ${MAKEFILE} SUBDIR= _RECURSING_PROGS= \
$t)
$t: scripts.$t
.endfor
.endif
.endif