1################################################################# 2# 3# Generate crunched binaries using crunchgen(1). 4# 5# General notes: 6# 7# A number of Make variables are used to generate the crunchgen config file. 8# 9# CRUNCH_SRCDIRS: lists directories to search for included programs 10# CRUNCH_PROGS: lists programs to be included 11# CRUNCH_LIBS: libraries to statically link with 12# CRUNCH_SHLIBS: libraries to dynamically link with 13# CRUNCH_BUILDOPTS: generic build options to be added to every program 14# CRUNCH_BUILDTOOLS: lists programs that need build tools built in the 15# local architecture. 16# 17# Special options can be specified for individual programs 18# CRUNCH_SRCDIR_${P}: base source directory for program ${P} 19# CRUNCH_BUILDOPTS_${P}: additional build options for ${P} 20# CRUNCH_ALIAS_${P}: additional names to be used for ${P} 21# 22# By default, any name appearing in CRUNCH_PROGS or CRUNCH_ALIAS_${P} 23# will be used to generate a hard link to the resulting binary. 24# Specific links can be suppressed by setting 25# CRUNCH_SUPPRESS_LINK_${NAME} to 1. 26# 27# If CRUNCH_GENERATE_LINKS is set to no, no links will be generated. 28# 29 30# $FreeBSD: head/share/mk/bsd.crunchgen.mk 305257 2016-09-01 23:52:20Z bdrewery $ 31 32################################################################## 33# The following is pretty nearly a generic crunchgen-handling makefile 34# 35 36CONF= ${PROG}.conf 37OUTMK= ${PROG}.mk 38OUTC= ${PROG}.c 39OUTPUTS=${OUTMK} ${OUTC} ${PROG}.cache 40CRUNCHOBJS= ${.OBJDIR} 41CRUNCH_GENERATE_LINKS?= yes 42 43CLEANFILES+= ${CONF} *.o *.lo *.c *.mk *.cache *.a *.h 44 45# Set a default SRCDIR for each for simpler handling below. 46.for D in ${CRUNCH_SRCDIRS} 47.for P in ${CRUNCH_PROGS_${D}} 48CRUNCH_SRCDIR_${P}?= ${.CURDIR}/../../../${D}/${P} 49.endfor 50.endfor 51 52# Program names and their aliases contribute hardlinks to 'rescue' executable, 53# except for those that get suppressed. 54.for D in ${CRUNCH_SRCDIRS} 55.for P in ${CRUNCH_PROGS_${D}} 56${OUTPUTS}: ${CRUNCH_SRCDIR_${P}}/Makefile 57.if ${CRUNCH_GENERATE_LINKS} == "yes" 58.ifndef CRUNCH_SUPPRESS_LINK_${P} 59LINKS+= ${BINDIR}/${PROG} ${BINDIR}/${P} 60.endif 61.for A in ${CRUNCH_ALIAS_${P}} 62.ifndef CRUNCH_SUPPRESS_LINK_${A} 63LINKS+= ${BINDIR}/${PROG} ${BINDIR}/${A} 64.endif 65.endfor 66.endif 67.endfor 68.endfor 69 70.if !defined(_SKIP_BUILD) 71all: ${PROG} 72.endif 73exe: ${PROG} 74 75${CONF}: Makefile 76 echo \# Auto-generated, do not edit >${.TARGET} 77.ifdef CRUNCH_BUILDOPTS 78 echo buildopts ${CRUNCH_BUILDOPTS} >>${.TARGET} 79.endif 80.ifdef CRUNCH_LIBS 81 echo libs ${CRUNCH_LIBS} >>${.TARGET} 82.endif 83.ifdef CRUNCH_SHLIBS 84 echo libs_so ${CRUNCH_SHLIBS} >>${.TARGET} 85.endif 86.for D in ${CRUNCH_SRCDIRS} 87.for P in ${CRUNCH_PROGS_${D}} 88 echo progs ${P} >>${.TARGET} 89 echo special ${P} srcdir ${CRUNCH_SRCDIR_${P}} >>${.TARGET} 90.ifdef CRUNCH_BUILDOPTS_${P} 91 echo special ${P} buildopts DIRPRFX=${DIRPRFX}${P}/ \ 92 ${CRUNCH_BUILDOPTS_${P}} >>${.TARGET} 93.else 94 echo special ${P} buildopts DIRPRFX=${DIRPRFX}${P}/ >>${.TARGET} 95.endif 96.ifdef CRUNCH_KEEP_${P} 97 echo special ${P} keep ${CRUNCH_KEEP_${P}} >>${.TARGET} 98.endif 99.for A in ${CRUNCH_ALIAS_${P}} 100 echo ln ${P} ${A} >>${.TARGET} 101.endfor 102.endfor 103.endfor 104 105CRUNCHGEN?= crunchgen 106CRUNCHENV?= # empty 107.ORDER: ${OUTPUTS} objs 108${OUTPUTS:[1]}: .META 109${OUTPUTS:[2..-1]}: .NOMETA 110${OUTPUTS}: ${CONF} 111 MAKE=${MAKE} ${CRUNCHENV} MAKEOBJDIRPREFIX=${CRUNCHOBJS} \ 112 ${CRUNCHGEN} -fq -m ${OUTMK} -c ${OUTC} ${CONF} 113 # Avoid redundantly calling 'make objs' which we've done by our 114 # own dependencies. 115 sed -i '' -e "s/^\(${PROG}:.*\) \$$(SUBMAKE_TARGETS)/\1/" ${OUTMK} 116 117# These 2 targets cannot use .MAKE since they depend on the generated 118# ${OUTMK} above. 119${PROG}: ${OUTPUTS} objs .NOMETA .PHONY 120 ${CRUNCHENV} MAKEOBJDIRPREFIX=${CRUNCHOBJS} \ 121 ${MAKE} .MAKE.MODE="${.MAKE.MODE} curdirOk=yes" \ 122 .MAKE.META.IGNORE_PATHS="${.MAKE.META.IGNORE_PATHS}" \ 123 -f ${OUTMK} exe 124 125objs: ${OUTMK} .META 126 ${CRUNCHENV} MAKEOBJDIRPREFIX=${CRUNCHOBJS} \ 127 ${MAKE} -f ${OUTMK} objs 128 129# <sigh> Someone should replace the bin/csh and bin/sh build-tools with 130# shell scripts so we can remove this nonsense. 131.for _tool in ${CRUNCH_BUILDTOOLS} 132build-tools-${_tool}: 133 ${_+_}cd ${.CURDIR}/../../../${_tool}; \ 134 ${CRUNCHENV} MAKEOBJDIRPREFIX=${CRUNCHOBJS} ${MAKE} obj; \ 135 ${CRUNCHENV} MAKEOBJDIRPREFIX=${CRUNCHOBJS} ${MAKE} build-tools 136build-tools: build-tools-${_tool} 137.endfor 138 139# Use a separate build tree to hold files compiled for this crunchgen binary 140# Yes, this does seem to partly duplicate bsd.subdir.mk, but I can't 141# get that to cooperate with bsd.prog.mk. Besides, many of the standard 142# targets should NOT be propagated into the components. 143.for __target in clean cleandepend cleandir obj objlink 144.for D in ${CRUNCH_SRCDIRS} 145.for P in ${CRUNCH_PROGS_${D}} 146${__target}_crunchdir_${P}: .PHONY .MAKE 147 ${_+_}cd ${CRUNCH_SRCDIR_${P}} && \ 148 ${CRUNCHENV} MAKEOBJDIRPREFIX=${CANONICALOBJDIR} ${MAKE} \ 149 DIRPRFX=${DIRPRFX}${P}/ ${CRUNCH_BUILDOPTS} ${__target} 150${__target}: ${__target}_crunchdir_${P} 151.endfor 152.endfor 153.endfor 154 155clean: 156 rm -f ${CLEANFILES} 157 ${_+_}if [ -e ${.OBJDIR}/${OUTMK} ]; then \ 158 ${CRUNCHENV} MAKEOBJDIRPREFIX=${CRUNCHOBJS} \ 159 ${MAKE} -f ${OUTMK} clean; \ 160 fi 161