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Diffstat (limited to 'contrib/bmake/mk/auto.dep.mk')
| -rw-r--r-- | contrib/bmake/mk/auto.dep.mk | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/contrib/bmake/mk/auto.dep.mk b/contrib/bmake/mk/auto.dep.mk new file mode 100644 index 000000000000..33137248d450 --- /dev/null +++ b/contrib/bmake/mk/auto.dep.mk @@ -0,0 +1,64 @@ +# +# RCSid: +# $Id: auto.dep.mk,v 1.3 2014/08/04 05:19:10 sjg Exp $ +# +# @(#) Copyright (c) 2010, 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 module provides automagic dependency generation along the +# lines suggested in the GNU make.info + +# set MKDEP_MK=auto.dep.mk and dep.mk will include us + +# This version differs from autodep.mk, in that +# we use ${.TARGET:T}.d rather than ${.TARGET:T:R}.d +# this makes it simpler to get the args to -MF and -MT right +# and ensure we can simply include all the .d files. +# +# However suffix rules do not work with something like .o.d so we +# don't even try to handle 'make depend' gracefully. +# dep.mk will handle that itself. +# +.if !target(__${.PARSEFILE}__) +__${.PARSEFILE}__: + +# this what bmake > 20100401 will look for +.MAKE.DEPENDFILE ?= .depend + +# set this to -MMD to ignore /usr/include +# actually it ignores <> so may not be a great idea +CFLAGS_MD ?= -MD +# -MF etc not available on all gcc versions. +CFLAGS_MF ?= -MF ${.TARGET:T}.d -MT ${.TARGET:T} +CFLAGS += ${CFLAGS_MD} ${CFLAGS_MF} +CXXFLAGS += ${CFLAGS_MD} ${CFLAGS_MF} + +CLEANFILES += .depend ${.MAKE.DEPENDFILE} *.d + +# skip generating dependfile for misc targets +.if ${.TARGETS:Uall:M*all} != "" +.END: ${.MAKE.DEPENDFILE} +.endif + +# doing 'make depend' isn't a big win with this model +.if !target(depend) +depend: ${.MAKE.DEPENDFILE} +.endif + +# this is trivial +${.MAKE.DEPENDFILE}: ${OBJS} ${POBJS} ${SOBJS} + -@for f in ${.ALLSRC:M*o:T:O:u:%=%.d}; do \ + echo ".-include \"$$f\""; \ + done > $@ + +.endif |