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# $NetBSD: bsd.makevars.mk,v 1.5 2010/02/24 22:53:34 joerg Exp $
#
# This Makefile fragment is included by bsd.prefs.mk to set all of
# the variables saved through MAKEVARS. Typical usage is:
#
# .include "../../mk/bsd.prefs.mk"
#
# .if !defined(EXPENSIVE_VAR)
# EXPENSIVE_VAR!= ( ... an expensive computation ... )
# .endif
# MAKEVARS+= EXPENSIVE_VAR
#
# This causes EXPENSIVE_VAR to be computed, then subsequently stored in
# the variable cache file. The next time through, EXPENSIVE_VAR is
# set by bsd.makevars.mk, which avoids running the expensive computation
# again.
#
# The cache files are created as we pass through each phase of the build,
# and we only include the latest cache file that was created.
#
_ALL_PHASES= fetch tools extract patch \
wrapper configure build stage-install package
_REV_ALL_PHASES= package stage-install build configure wrapper \
patch extract tools fetch
# Try including the *.makevars.mk files in reverse order so that the
# latest file is included and no more. We check for _MAKEVARS_MK since
# all of the *.makevars.mk files define this symbol at the top of the
# file.
#
.for _phase_ in ${_REV_ALL_PHASES}
_MAKEVARS_MK.${_phase_}= ${WRKDIR}/.${_phase_}_makevars.mk
. if !target(${_phase_}-vars)
${_phase_}-vars: ${_MAKEVARS_MK.${_phase_}}
. endif
. if !defined(_MAKEVARS_MK)
. sinclude "${_MAKEVARS_MK.${_phase_}}"
. endif
.endfor
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