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# $FreeBSD$
.if ${MK_DIRDEPS_BUILD} == "yes"
MAKE_PRINT_VAR_ON_ERROR+= \
.CURDIR \
.MAKE \
.OBJDIR \
.TARGETS \
DESTDIR \
LD_LIBRARY_PATH \
MACHINE \
MACHINE_ARCH \
MAKEOBJDIRPREFIX \
MAKESYSPATH \
MAKE_VERSION\
PATH \
SRCTOP \
OBJTOP \
${MAKE_PRINT_VAR_ON_ERROR_XTRAS}
.if ${.MAKE.LEVEL} > 0
MAKE_PRINT_VAR_ON_ERROR += .MAKE.MAKEFILES .PATH
.endif
.endif
.include "src.sys.mk"
.if ${.MAKE.MODE:Mmeta*} != ""
# we can afford to use cookies to prevent some targets
# re-running needlessly but only when using filemon.
.if ${.MAKE.MODE:Mnofilemon} == ""
META_COOKIE= ${COOKIE.${.TARGET}:U${.OBJDIR}/${.TARGET}}
META_COOKIE_RM= @rm -f ${META_COOKIE}
META_COOKIE_TOUCH= @touch ${META_COOKIE}
CLEANFILES+= ${META_TARGETS}
_meta_dep_before: .USEBEFORE .NOTMAIN
${META_COOKIE_RM}
_meta_dep_after: .USE .NOTMAIN
${META_COOKIE_TOUCH}
# Attach this to a target to allow it to benefit from meta mode's
# not rerunning a command if it doesn't need to be considering its
# metafile/filemon-tracked dependencies.
META_DEPS= _meta_dep_before _meta_dep_after .META
.endif
.else
# some targets need to be .PHONY - but not in meta mode
META_NOPHONY= .PHONY
.endif
META_NOPHONY?=
META_COOKIE_RM?=
META_COOKIE_TOUCH?=
META_DEPS+= ${META_NOPHONY}
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