1# $FreeBSD$ 2 3.if ${MK_DIRDEPS_BUILD} == "yes" 4MAKE_PRINT_VAR_ON_ERROR+= \ 5 .CURDIR \ 6 .MAKE \ 7 .OBJDIR \ 8 .TARGETS \ 9 DESTDIR \ 10 LD_LIBRARY_PATH \ 11 MACHINE \ 12 MACHINE_ARCH \ 13 MAKEOBJDIRPREFIX \ 14 MAKESYSPATH \ 15 MAKE_VERSION\ 16 PATH \ 17 SRCTOP \ 18 OBJTOP \ 19 ${MAKE_PRINT_VAR_ON_ERROR_XTRAS} 20 21.if ${.MAKE.LEVEL} > 0 22MAKE_PRINT_VAR_ON_ERROR += .MAKE.MAKEFILES .PATH 23.endif 24.endif 25 26.include "src.sys.mk" 27 28.if ${.MAKE.MODE:Mmeta*} != "" 29# we can afford to use cookies to prevent some targets 30# re-running needlessly but only when using filemon. 31.if ${.MAKE.MODE:Mnofilemon} == "" 32META_COOKIE= ${COOKIE.${.TARGET}:U${.OBJDIR}/${.TARGET}} 33META_COOKIE_RM= @rm -f ${META_COOKIE} 34META_COOKIE_TOUCH= @touch ${META_COOKIE} 35CLEANFILES+= ${META_TARGETS} 36_meta_dep_before: .USEBEFORE .NOTMAIN 37 ${META_COOKIE_RM} 38_meta_dep_after: .USE .NOTMAIN 39 ${META_COOKIE_TOUCH} 40# Attach this to a target to allow it to benefit from meta mode's 41# not rerunning a command if it doesn't need to be considering its 42# metafile/filemon-tracked dependencies. 43META_DEPS= _meta_dep_before _meta_dep_after .META 44.endif 45.else 46# some targets need to be .PHONY - but not in meta mode 47META_NOPHONY= .PHONY 48.endif 49META_NOPHONY?= 50META_COOKIE_RM?= 51META_COOKIE_TOUCH?= 52META_DEPS+= ${META_NOPHONY} 53