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) 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.if ${.MAKE.MODE:Mmeta*} != "" 83# we can afford to use cookies to prevent some targets 84# re-running needlessly but only when using filemon. 85# Targets that should support the meta mode cookie handling should just be 86# added to META_TARGETS. If bsd.sys.mk cannot be included then ${META_DEPS} 87# should be added as a target dependency as well. Otherwise the target 88# is added to in bsd.sys.mk since it comes last. 89.if ${.MAKE.MODE:Mnofilemon} == "" 90# Prepend .OBJDIR if not already there. 91_META_COOKIE_COND= "${.TARGET:M${.OBJDIR}/*}" == "" 92_META_COOKIE_DEFAULT= ${${_META_COOKIE_COND}:?${.OBJDIR}/${.TARGET}:${.TARGET}} 93# Use the default if COOKIE.${.TARGET} is not defined. 94META_COOKIE= ${COOKIE.${.TARGET}:U${_META_COOKIE_DEFAULT}} 95META_COOKIE_RM= @rm -f ${META_COOKIE} 96META_COOKIE_TOUCH= @touch ${META_COOKIE} 97CLEANFILES+= ${META_TARGETS} 98_meta_dep_before: .USEBEFORE .NOTMAIN 99 ${META_COOKIE_RM} 100_meta_dep_after: .USE .NOTMAIN 101 ${META_COOKIE_TOUCH} 102# Attach this to a target to allow it to benefit from meta mode's 103# not rerunning a command if it doesn't need to be considering its 104# metafile/filemon-tracked dependencies. 105META_DEPS= _meta_dep_before _meta_dep_after .META 106.endif 107.else 108# some targets need to be .PHONY - but not in meta mode 109META_NOPHONY= .PHONY 110.endif 111META_NOPHONY?= 112META_COOKIE_RM?= 113META_COOKIE_TOUCH?= 114META_DEPS+= ${META_NOPHONY} 115 116.endif 117