1# $FreeBSD$ 2 3.if !target(_${_this}_) 4_${_this}_: .NOTMAIN 5 6.if ${MK_DIRDEPS_BUILD} == "yes" || ${MK_META_MODE} == "yes" 7 8# Not in the below list as it may make sense for non-meta mode 9# eventually. meta.sys.mk (DIRDEPS_BUILD) also already adds these in. 10.if ${MK_DIRDEPS_BUILD} == "no" && ${MK_META_MODE} == "yes" 11MAKE_PRINT_VAR_ON_ERROR += \ 12 .ERROR_TARGET \ 13 .ERROR_META_FILE \ 14 .MAKE.LEVEL \ 15 MAKEFILE \ 16 .MAKE.MODE 17.endif 18 19_ERROR_CMD_EXEC= ${sed -n '/^CMD/s,^CMD \(.*\),\1;,p' ${.ERROR_META_FILE}:L:sh} 20_ERROR_CMD= ${!empty(.ERROR_META_FILE):?${_ERROR_CMD_EXEC}:.PHONY} 21MAKE_PRINT_VAR_ON_ERROR+= \ 22 _ERROR_CMD \ 23 .CURDIR \ 24 .MAKE \ 25 .OBJDIR \ 26 .TARGETS \ 27 CPUTYPE \ 28 DESTDIR \ 29 LD_LIBRARY_PATH \ 30 MACHINE \ 31 MACHINE_ARCH \ 32 MACHINE_CPUARCH \ 33 MAKEOBJDIRPREFIX \ 34 MAKESYSPATH \ 35 MAKE_VERSION \ 36 PATH \ 37 SRCTOP \ 38 OBJTOP \ 39 ${MAKE_PRINT_VAR_ON_ERROR_XTRAS} 40 41# Meta mode may rebuild targets that then fail. The next build won't detect 42# the meta mode change. Not all targets have a 'rm ${.TARGET}' in them 43# so force it. 44.DELETE_ON_ERROR: 45 46.if ${.MAKE.LEVEL} > 0 47MAKE_PRINT_VAR_ON_ERROR += .MAKE.MAKEFILES .PATH 48.endif 49.endif 50 51.if !empty(.OBJDIR) 52OBJTOP?= ${.OBJDIR:S,${.CURDIR},,}${SRCTOP} 53.endif 54 55.if !empty(LIBDIR) 56_PREMK_LIBDIR:= ${LIBDIR} 57.endif 58 59.include "src.sys.mk" 60.-include <site.sys.mk> 61 62.if make(*-jobs) && empty(JOB_MAX) 63# provide a reasonable? default for JOB_MAX based on ncpu 64JOB_MAX_FACTOR?= 1.33 65NPROC?= ${(type nproc || true) 2> /dev/null:L:sh:M/*:[1]} 66NPROC:= ${NPROC} 67.if !empty(NPROC) 68ncpu!= ${NPROC} 69.elif ${.MAKE.OS:NDarwin:NFreeBSD} == "" 70ncpu!= sysctl -n hw.ncpu 71.endif 72.if ${ncpu:U0} > 1 73.if ${JOB_MAX_FACTOR} == 1 74JOB_MAX:= ${ncpu} 75.else 76jm!= echo ${ncpu} \* ${JOB_MAX_FACTOR} | bc 77JOB_MAX:= ${jm:R} 78.endif 79.endif 80.endif 81 82# this will be set via local.meta.sys.env.mk if appropriate 83MK_host_egacy?= no 84 85.if ${.MAKE.MODE:Mmeta*} != "" 86# we can afford to use cookies to prevent some targets 87# re-running needlessly but only when using filemon. 88# Targets that should support the meta mode cookie handling should just be 89# added to META_TARGETS. If bsd.sys.mk cannot be included then ${META_DEPS} 90# should be added as a target dependency as well. Otherwise the target 91# is added to in bsd.sys.mk since it comes last. 92.if ${.MAKE.MODE:Mnofilemon} == "" 93# Prepend .OBJDIR if not already there. 94_META_COOKIE_COND= "${.TARGET:M${.OBJDIR}/*}" == "" 95_META_COOKIE_DEFAULT= ${${_META_COOKIE_COND}:?${.OBJDIR}/${.TARGET}:${.TARGET}} 96# Use the default if COOKIE.${.TARGET} is not defined. 97META_COOKIE= ${COOKIE.${.TARGET}:U${_META_COOKIE_DEFAULT}} 98META_COOKIE_RM= @rm -f ${META_COOKIE} 99META_COOKIE_TOUCH= @touch ${META_COOKIE} 100CLEANFILES+= ${META_TARGETS} 101_meta_dep_before: .USEBEFORE .NOTMAIN 102 ${META_COOKIE_RM} 103_meta_dep_after: .USE .NOTMAIN 104 ${META_COOKIE_TOUCH} 105# Attach this to a target to allow it to benefit from meta mode's 106# not rerunning a command if it doesn't need to be considering its 107# metafile/filemon-tracked dependencies. 108META_DEPS= _meta_dep_before _meta_dep_after .META 109.endif 110.else 111# some targets need to be .PHONY - but not in meta mode 112META_NOPHONY= .PHONY 113.endif 114META_NOPHONY?= 115META_COOKIE_RM?= 116META_COOKIE_TOUCH?= 117META_DEPS+= ${META_NOPHONY} 118 119.endif 120