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Diffstat (limited to 'share/mk/sys.dependfile.mk')
| -rw-r--r-- | share/mk/sys.dependfile.mk | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/share/mk/sys.dependfile.mk b/share/mk/sys.dependfile.mk new file mode 100644 index 000000000000..2b99f84dff41 --- /dev/null +++ b/share/mk/sys.dependfile.mk @@ -0,0 +1,38 @@ +# $Id: sys.dependfile.mk,v 1.3 2012/04/25 15:45:04 sjg Exp $ +# +# @(#) Copyright (c) 2012, 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 +# + +# This only makes sense in meta mode. +# This allows a mixture of auto generated as well as manually edited +# dependency files, which can be differentiated by their names. +# As per dirdeps.mk we only require: +# 1. a common prefix +# 2. that machine specific files end in .${MACHINE} +# +# The .MAKE.DEPENDFILE_PREFERENCE below is an example. + +# All depend file names should start with this +.MAKE.DEPENDFILE_PREFIX ?= Makefile.depend + +# The order of preference: we will use the first one of these we find +# otherwise the 1st entry will be used by default. +.MAKE.DEPENDFILE_PREFERENCE ?= \ + ${.CURDIR}/${.MAKE.DEPENDFILE_PREFIX}.${MACHINE} \ + ${.CURDIR}/${.MAKE.DEPENDFILE_PREFIX} + +_e := ${.MAKE.DEPENDFILE_PREFERENCE:@m@${exists($m):?$m:}@} +.if !empty(_e) +.MAKE.DEPENDFILE := ${_e:[1]} +.endif +.MAKE.DEPENDFILE ?= ${.MAKE.DEPENDFILE_PREFERENCE:[1]} |