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#################################################################
#
# Generate crunched binaries using crunchgen(1).
#
# General notes:
#
# A number of Make variables are used to generate the crunchgen config file.
#
# CRUNCH_SRCDIRS: lists directories to search for included programs
# CRUNCH_PROGS: lists programs to be included
# CRUNCH_LIBS: libraries to statically link with
# CRUNCH_SHLIBS: libraries to dynamically link with
# CRUNCH_BUILDOPTS: generic build options to be added to every program
# CRUNCH_BUILDTOOLS: lists programs that need build tools built in the
# local architecture.
#
# Special options can be specified for individual programs
# CRUNCH_SRCDIR_${P}: base source directory for program ${P}
# CRUNCH_BUILDOPTS_${P}: additional build options for ${P}
# CRUNCH_ALIAS_${P}: additional names to be used for ${P}
#
# By default, any name appearing in CRUNCH_PROGS or CRUNCH_ALIAS_${P}
# will be used to generate a hard link to the resulting binary.
# Specific links can be suppressed by setting
# CRUNCH_SUPPRESS_LINK_${NAME} to 1.
#
# If CRUNCH_GENERATE_LINKS is set to no, no links will be generated.
#
# $FreeBSD$
##################################################################
# The following is pretty nearly a generic crunchgen-handling makefile
#
CONF= ${PROG}.conf
OUTMK= ${PROG}.mk
OUTC= ${PROG}.c
OUTPUTS=${OUTMK} ${OUTC} ${PROG}.cache
CRUNCHOBJS= ${.OBJDIR}
CRUNCH_GENERATE_LINKS?= yes
CLEANFILES+= ${CONF} *.o *.lo *.c *.mk *.cache *.a *.h
# Don't try to extract debug info from ${PROG}.
MK_DEBUG_FILES= no
# Set a default SRCDIR for each for simpler handling below.
.for D in ${CRUNCH_SRCDIRS}
.for P in ${CRUNCH_PROGS_${D}}
CRUNCH_SRCDIR_${P}?= ${.CURDIR}/../../${D}/${P}
.endfor
.endfor
# Program names and their aliases contribute hardlinks to 'rescue' executable,
# except for those that get suppressed.
.for D in ${CRUNCH_SRCDIRS}
.for P in ${CRUNCH_PROGS_${D}}
${OUTPUTS}: ${CRUNCH_SRCDIR_${P}}/Makefile
.if ${CRUNCH_GENERATE_LINKS} == "yes"
.ifndef CRUNCH_SUPPRESS_LINK_${P}
LINKS+= ${BINDIR}/${PROG} ${BINDIR}/${P}
.endif
.for A in ${CRUNCH_ALIAS_${P}}
.ifndef CRUNCH_SUPPRESS_LINK_${A}
LINKS+= ${BINDIR}/${PROG} ${BINDIR}/${A}
.endif
.endfor
.endif
.endfor
.endfor
all: ${PROG}
exe: ${PROG}
${CONF}: Makefile
echo \# Auto-generated, do not edit >${.TARGET}
.ifdef CRUNCH_BUILDOPTS
echo buildopts ${CRUNCH_BUILDOPTS} >>${.TARGET}
.endif
.ifdef CRUNCH_LIBS
echo libs ${CRUNCH_LIBS} >>${.TARGET}
.endif
.ifdef CRUNCH_SHLIBS
echo libs_so ${CRUNCH_SHLIBS} >>${.TARGET}
.endif
.for D in ${CRUNCH_SRCDIRS}
.for P in ${CRUNCH_PROGS_${D}}
echo progs ${P} >>${.TARGET}
echo special ${P} srcdir ${CRUNCH_SRCDIR_${P}} >>${.TARGET}
.ifdef CRUNCH_BUILDOPTS_${P}
echo special ${P} buildopts DIRPRFX=${DIRPRFX}${P}/ \
${CRUNCH_BUILDOPTS_${P}} >>${.TARGET}
.else
echo special ${P} buildopts DIRPRFX=${DIRPRFX}${P}/ >>${.TARGET}
.endif
.for A in ${CRUNCH_ALIAS_${P}}
echo ln ${P} ${A} >>${.TARGET}
.endfor
.endfor
.endfor
CRUNCHGEN?= crunchgen
CRUNCHENV?= MK_TESTS=no
.ORDER: ${OUTPUTS} objs
${OUTPUTS}: ${CONF} .META
MAKE=${MAKE} MAKEOBJDIRPREFIX=${CRUNCHOBJS} ${CRUNCHGEN} -fq \
-m ${OUTMK} -c ${OUTC} ${CONF}
# These 2 targets cannot use .MAKE since they depend on the generated
# ${OUTMK} above.
${PROG}: ${OUTPUTS} objs
${CRUNCHENV} MAKEOBJDIRPREFIX=${CRUNCHOBJS} ${MAKE} -f ${OUTMK} exe
objs: ${OUTMK}
${CRUNCHENV} MAKEOBJDIRPREFIX=${CRUNCHOBJS} ${MAKE} -f ${OUTMK} objs
# <sigh> Someone should replace the bin/csh and bin/sh build-tools with
# shell scripts so we can remove this nonsense.
.for _tool in ${CRUNCH_BUILDTOOLS}
build-tools-${_tool}:
${_+_}cd ${.CURDIR}/../../${_tool}; \
${CRUNCHENV} MAKEOBJDIRPREFIX=${CRUNCHOBJS} ${MAKE} obj; \
${CRUNCHENV} MAKEOBJDIRPREFIX=${CRUNCHOBJS} ${MAKE} build-tools
build-tools: build-tools-${_tool}
.endfor
# Use a separate build tree to hold files compiled for this crunchgen binary
# Yes, this does seem to partly duplicate bsd.subdir.mk, but I can't
# get that to cooperate with bsd.prog.mk. Besides, many of the standard
# targets should NOT be propagated into the components.
.for __target in clean cleandepend cleandir obj objlink
.for D in ${CRUNCH_SRCDIRS}
.for P in ${CRUNCH_PROGS_${D}}
${__target}_crunchdir_${P}: .PHONY .MAKE
${_+_}cd ${CRUNCH_SRCDIR_${P}} && \
${CRUNCHENV} MAKEOBJDIRPREFIX=${CANONICALOBJDIR} ${MAKE} \
DIRPRFX=${DIRPRFX}${P}/ ${CRUNCH_BUILDOPTS} ${__target}
${__target}: ${__target}_crunchdir_${P}
.endfor
.endfor
.endfor
clean:
rm -f ${CLEANFILES}
${_+_}if [ -e ${.OBJDIR}/${OUTMK} ]; then \
${CRUNCHENV} MAKEOBJDIRPREFIX=${CRUNCHOBJS} ${MAKE} \
-f ${OUTMK} clean; \
fi
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