#!/bin/sh # Configuration script # Copyright (C) 1988, 1990, 1991 Free Software Foundation, Inc. #This file is part of GNU. # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ # $Id$ # # Shell script to create proper links to machine-dependent files in # preparation for compilation. # # If configure succeeds, it leaves its status in config.status. # If configure fails after disturbing the status quo, # config.status is removed. # remove=rm hard_link=ln symbolic_link='ln -s' #for Test #remove="echo rm" #hard_link="echo ln" #symbolic_link="echo ln -s" progname=$0 # clear some things potentially inherited from environment. ansi= arguments=$* defaulttargets= destdir= fatal= hostsubdir= Makefile=Makefile Makefile_in=Makefile.in norecursion= recurring= removing= srcdir= srctrigger= target= targets= commontargets= configdirs= targetsubdir= template= verbose= for arg in $*; do case ${arg} in -ansi | +a*) ansi=true clib=clib ;; -destdir=* | +destdir=* | +destdi=* | +destd=* | +dest=* | +des=* | +de=* | +d=*) destdir=`echo ${arg} | sed 's/[+-]d[a-z]*=//'` ;; -languages=* | +languages=* | +language=* | +languag=* \ | +langua=* | +langu=* | +lang=* | +lan=* | +la=* \ | +l=*) languages="${languages} `echo ${arg} | sed 's/[+-]l[a-z]*=//'`" ;; -gas | +g*) gas=yes ;; -help | +h*) fatal=true ;; -nfp | +nf*) nfp=yes ;; -norecursion | +no*) norecursion=true ;; -recurring | +recurring | +recurrin | +recurri | +recurr | +recur | +recu | +rec | +re) recurring=true ;; -rm | +rm) removing=${arg} ;; # -srcdir=* | +srcdir=* | +srcdi=* | +srcd=* | +src=* | +sr=* | +s=*) # srcdir=`echo ${arg} | sed 's/[+-]s[a-z]*=//'` # ;; -subdirs | +f* | +su*) subdirs=${arg} ;; -target=* | +target=* | +targe=* | +targ=* | +tar=* | +ta=*) if [ -n "${targets}" ] ; then subdirs="+subdirs" fi newtargets="${targets} `echo ${arg} | sed 's/[+-]t[a-z]*=//'`" targets="${newtargets}" ;; -template=* | +template=* | +templat=* | +templa=* | +templ=* | +temp=* | +tem=* | +te=*) template=`echo ${arg} | sed 's/[+-]template=//'` ;; -v | -verbose | +v*) verbose=${arg} ;; -* | +*) (echo ; echo "Unrecognized option: \"${arg}\"". ; echo) 1>&2 fatal=true ;; *) if [ -n "${hosts}" ] ; then subdirs="+subdirs" fi newhosts="${hosts} ${arg}" hosts=${newhosts} ;; esac done if [ -n "${verbose}" ] ; then echo `pwd`/configure $* fi # process host and target only if not rebuilding configure itself or removing. if [ -z "${template}" -a -z "${removing}" -a -z "${fatal}" ] ; then # Complain if an arg is missing if [ -z "${hosts}" ] ; then (echo ; echo "configure: No HOST specified." ; echo) 1>&2 fatal=true fi fi if [ -n "${fatal}" -o "${hosts}" = "help" ] ; then (echo "Usage: configure HOST" ; echo ; echo "Options: [defaults in brackets]" ; echo " +ansi configure w/ANSI library. [no ansi lib]" ; echo " +destdir=MYDIR configure for installation into MYDIR. [/usr/local]" ; echo " +subdirs configure in subdirectories. [in source directories]" ; echo " +lang=LANG configure to build LANG. [gcc]" ; echo " +help print this message. [normal config]" ; echo " +gas configure the compilers for use with gas. [native as]" ; echo " +nfp configure the compilers default to soft floating point. [hard float]" ; echo " +norecursion configure this directory only. [recurse]" ; echo " +rm remove this configuration. [build a configuration]" ; echo " +target=TARGET configure for TARGET. [TARGET = HOST]" ; echo " +template=TEM rebuild configure using TEM. [normal config]" ; echo ; echo "Where HOST and TARGET are something like \"vax\", \"sun3\", \"encore\", etc." ; echo "Asking for more than one \"+target\" implies \"+subdirs\". Any other" ; echo "options given will apply to all targets.") 1>&2 if [ -r config.status ] ; then cat config.status fi exit 1 fi #### configure.in common parts come in here. # This file is a shell script fragment that supplies the information # necessary to tailor a template configure script into the configure # script appropriate for this directory. For more information, check # any existing configure script. configdirs= srctrigger=readline.c srcname="the readline library" ## end of common part. # are we rebuilding config itself? if [ -n "${template}" ] ; then if [ ! -r ${template} ] ; then echo '***' "Can't find template ${template}." 1>&2 exit 1 fi # prep the template sed -e '/^#### configure.in common parts come in here.$/,/^## end of common part.$/c\ #### configure.in common parts come in here.\ ## end of common part.' \ -e '/^#### configure.in per-host parts come in here.$/,/^## end of per-host part.$/c\ #### configure.in per-host parts come in here.\ ## end of per-host part.' \ -e '/^#### configure.in per-target parts come in here.$/,/^## end of per-target part.$/c\ #### configure.in per-target parts come in here.\ ## end of per-target part.' \ -e '/^#### configure.in post-target parts come in here.$/,/^## end of post-target part.$/c\ #### configure.in post-target parts come in here.\ ## end of post-target part.' \ < ${template} > template.new if [ -r configure.in ] ; then if [ -z "`grep '^# per\-host:' configure.in`" ] ; then echo '***' `pwd`/configure.in has no "per-host:" line. 1>&2 exit 1 fi if [ -z "`grep '^# per\-target:' configure.in`" ] ; then echo '***' `pwd`/configure.in has no "per-target:" line. 1>&2 exit 1 fi # split configure.in into common, per-host, per-target, # and post-target parts. Post-target is optional. sed -e '/^# per\-host:/,$d' configure.in > configure.com sed -e '1,/^# per\-host:/d' -e '/^# per\-target:/,$d' configure.in > configure.hst if grep -s '^# post-target:' configure.in ; then sed -e '1,/^# per\-target:/d' -e '/^# post\-target:/,$d' configure.in > configure.tgt sed -e '1,/^# post\-target:/d' configure.in > configure.pos else sed -e '1,/^# per\-target:/d' configure.in > configure.tgt echo >configure.pos fi # and insert them sed -e '/^#### configure.in common parts come in here.$/ r configure.com' \ -e '/^#### configure.in per\-host parts come in here.$/ r configure.hst' \ -e '/^#### configure.in per\-target parts come in here.$/ r configure.tgt' \ -e '/^#### configure.in post\-target parts come in here.$/ r configure.pos' \ template.new > configure.new rm -f configure.com configure.tgt configure.hst configure.pos else echo Warning: no configure.in in `pwd` cat ${template} >> configure fi chmod a+x configure.new rm template.new # mv configure configure.old mv configure.new configure if [ -n "${verbose}" ] ; then echo Rebuilt configure in `pwd` fi # Now update config.sub from the template directory. if echo "$template" | grep -s 'configure$' ; then cp `echo "$template" | sed s/configure$/config.sub/` ./config.sub.new # mv config.sub config.sub.old mv config.sub.new config.sub if [ -n "${verbose}" ] ; then echo Rebuilt config.sub in `pwd` fi fi if [ -z "${norecursion}" ] ; then # If template is relative path, make it absolute for recurring. if echo "${template}" | grep -s '^/' ; then true else template=`pwd`/${template} fi while [ -n "${configdirs}" ] ; do # set configdir to car of configdirs, configdirs to cdr of configdirs set ${configdirs}; configdir=$1; shift; configdirs=$* if [ "`echo ${configdir}.*`" != "${configdir}.*" ] ; then targetspecificdirs=${configdir}.* else targetspecificdirs= fi for i in ${configdir} ${targetspecificdirs} ; do if [ -d $i ] ; then if [ -r $i/configure ] ; then (cd $i ; ./configure +template=${template} ${verbose}) else echo Warning: No configure script in `pwd`/$i fi else if [ -n "${verbose}" ] ; then echo Warning: directory $i is missing. fi fi done done fi exit 0 fi # some sanity checks on configure.in if [ -z "${srctrigger}" ] ; then echo Warning: srctrigger not set in configure.in. `pwd` not configured. exit 1 fi for host in ${hosts} ; do # Default other arg if [ -z "${targets}" -o -n "${defaulttargets}" ] ; then targets=${host} defaulttargets=true fi host_alias=${host} result=`/bin/sh ./config.sub ${host}` host_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'` host_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'` host_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'` host=${host_cpu}-${host_vendor}-${host_os} host_makefile_frag=config/hmake-${host} #### configure.in per-host parts come in here. case "${host_os}" in sysv* | irix*) host_makefile_frag=config/hmake-sysv ;; esac ## end of per-host part. for target in ${targets} ; do target_alias=${target} result=`/bin/sh ./config.sub ${target}` target_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'` target_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'` target_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'` target=${target_cpu}-${target_vendor}-${target_os} target_makefile_frag=config/tmake-${target} #### configure.in per-target parts come in here. ## end of per-target part. # Temporarily, we support only direct subdir builds. hostsubdir=H-${host_alias} targetsubdir=T-${target_alias} if [ -n "${removing}" ] ; then if [ -n "${subdirs}" ] ; then if [ -d "${hostsubdir}" ] ; then rm -rf ${hostsubdir}/${targetsubdir} if [ -z "`(ls ${hostsubdir}) 2>&1 | grep Target- | grep -v Target-independent`" ] ; then rm -rf ${hostsubdir} fi else echo Warning: no `pwd`/${hostsubdir} to remove. fi else rm -f ${Makefile} config.status ${links} fi else if [ -n "${subdirs}" ] ; then # check for existing status before allowing forced subdirs. if [ -f ${Makefile} ] ; then echo '***' "${Makefile} already exists in source directory. `pwd` not configured." 1>&2 exit 1 fi if [ ! -d ${hostsubdir} ] ; then mkdir ${hostsubdir} ; fi cd ${hostsubdir} if [ ! -d ${targetsubdir} ] ; then if [ -z "${commontargets}" ] ; then mkdir ${targetsubdir} else if [ ! -d Target-independent ] ; then mkdir Target-independent fi ${symbolic_link} Target-independent ${targetsubdir} fi # if target independent fi # if no target dir yet cd ${targetsubdir} srcdir=../.. else # if not subdir builds, then make sure none exist. if [ -n "`(ls .) 2>&1 | grep Host-`" ] ; then echo '***' "Configured subdirs exist. `pwd` not configured." 1>&2 exit 1 fi fi # Find the source files, if location was not specified. if [ -z "${srcdir}" ] ; then srcdirdefaulted=1 srcdir=. if [ -n "${srctrigger}" -a ! -r ${srctrigger} ] ; then srcdir=.. fi fi if [ -n "${srctrigger}" -a ! -r ${srcdir}/${srctrigger} ] ; then if [ -z "${srcdirdefaulted}" ] ; then echo '***' "${progname}: Can't find ${srcname} sources in `pwd`/${srcdir}" 1>&2 else echo '***' "${progname}: Can't find ${srcname} sources in `pwd`/. or `pwd`/.." 1>&2 fi echo '***' \(At least ${srctrigger} is missing.\) 1>&2 exit 1 fi # Set up the list of links to be made. # ${links} is the list of link names, and ${files} is the list of names to link to. # Make the links. while [ -n "${files}" ] ; do # set file to car of files, files to cdr of files set ${files}; file=$1; shift; files=$* set ${links}; link=$1; shift; links=$* if [ ! -r ${srcdir}/${file} ] ; then echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2 echo '***' "since the file \"${file}\" does not exist." 1>&2 exit 1 fi ${remove} -f ${link} rm -f config.status # Make a symlink if possible, otherwise try a hard link ${symbolic_link} ${srcdir}/${file} ${link} 2>/dev/null || ${hard_link} ${srcdir}/${file} ${link} if [ ! -r ${link} ] ; then echo '***' "${progname}: unable to link \"${link}\" to \"${srcdir}/${file}\"." 1>&2 exit 1 fi if [ -n "${verbose}" ] ; then echo "Linked \"${link}\" to \"${srcdir}/${file}\"." fi done # Create a .gdbinit file which runs the one in srcdir # and tells GDB to look there for source files. case ${srcdir} in .) ;; *) echo "dir ." > .gdbinit echo "dir ${srcdir}" >> .gdbinit echo "source ${srcdir}/.gdbinit" >> .gdbinit ;; esac # Install a makefile, and make it set VPATH # if necessary so that the sources are found. # Also change its value of srcdir. # FIXME-someday: This business of always writing to .tem and mv back # is so that I don't screw things up while developing. Once this # template is stable, these should be optimized. xoxorich. # Define macro CROSS_COMPILE in compilation if this is a cross-compiler. if [ "${host}" != "${target}" ] ; then echo "CROSS=-DCROSS_COMPILE" > ${Makefile} echo "ALL=start.encap" >> ${Makefile} else echo "ALL=all.internal" > ${Makefile} fi # set target, host, VPATH echo "host_alias = ${host_alias}" >> ${Makefile} echo "host_cpu = ${host_cpu}" >> ${Makefile} echo "host_vendor = ${host_vendor}" >> ${Makefile} echo "host_os = ${host_os}" >> ${Makefile} echo "target_alias = ${target_alias}" >> ${Makefile} echo "target_cpu = ${target_cpu}" >> ${Makefile} echo "target_vendor = ${target_vendor}" >> ${Makefile} echo "target_os = ${target_os}" >> ${Makefile} if [ -n "${subdirs}" ] ; then echo "subdir = /${hostsubdir}/${targetsubdir}" >> ${Makefile} else echo "subdir =" >> ${Makefile} fi # echo "workdir = `pwd`" >> ${Makefile} echo "VPATH = ${srcdir}" >> ${Makefile} # add "Makefile.in" (or whatever it's called) cat ${srcdir}/${Makefile_in} >> ${Makefile} # Conditionalize the makefile for this host. if [ -f ${srcdir}/${host_makefile_frag} ] ; then (echo "host_makefile_frag = ${srcdir}/${host_makefile_frag}" ; sed -e "/^####/ r ${srcdir}/${host_makefile_frag}" ${Makefile}) > Makefile.tem mv Makefile.tem ${Makefile} fi # Conditionalize the makefile for this target. if [ -f ${srcdir}/${target_makefile_frag} ] ; then (echo "target_makefile_frag = ${srcdir}/${target_makefile_frag}" ; sed -e "/^####/ r ${srcdir}/${target_makefile_frag}" ${Makefile}) > Makefile.tem mv Makefile.tem ${Makefile} fi # set srcdir sed "s@^srcdir = \.@srcdir = ${srcdir}@" ${Makefile} > Makefile.tem mv Makefile.tem ${Makefile} # set destdir if [ -n "${destdir}" ] ; then sed "s:^destdir =.*$:destdir = ${destdir}:" ${Makefile} > Makefile.tem mv Makefile.tem ${Makefile} fi # reset SUBDIRS sed "s:^SUBDIRS =.*$:SUBDIRS = ${configdirs}:" ${Makefile} > Makefile.tem mv Makefile.tem ${Makefile} # reset NONSUBDIRS sed "s:^NONSUBDIRS =.*$:NONSUBDIRS = ${noconfigdirs}:" ${Makefile} > Makefile.tem mv Makefile.tem ${Makefile} using= if [ -f ${srcdir}/${host_makefile_frag} ] ; then using=" using \"${host_makefile_frag}\"" fi # remove any form feeds. sed -e "s///" ${Makefile} > Makefile.tem mv Makefile.tem ${Makefile} if [ -f ${srcdir}/${target_makefile_frag} ] ; then if [ -z "${using}" ] ; then andusing=" using \"${target_makefile_frag}\"" else andusing="${using} and \"${target_makefile_frag}\"" fi else andusing=${using} fi if [ -n "${verbose}" -o -z "${recurring}" ] ; then echo "Created \"${Makefile}\"" in `pwd`${andusing}. fi #### configure.in post-target parts come in here. ## end of post-target part. # describe the chosen configuration in config.status. # Make that file a shellscript which will reestablish # the same configuration. Used in Makefiles to rebuild # Makefiles. echo "#!/bin/sh # ${srcname} was configured as follows: ${srcdir}/configure" ${arguments} `if [ -z "${norecursion}" ] ; then echo +norecursion ; else true ; fi` > config.status chmod a+x config.status originaldir=`pwd` cd ${srcdir} fi # If there are subdirectories, then recurse. if [ -z "${norecursion}" -a -n "${configdirs}" ] ; then for configdir in ${configdirs} ; do if [ -n "${verbose}" ] ; then echo Configuring ${configdir}... fi if [ -d ${configdir} ] ; then (cd ${configdir} ; ./configure +recurring ${host_alias} +target=${target_alias} \ ${verbose} ${subdirs} ${removing} +destdir=${destdir}) \ | sed 's/^/ /' else if [ -n "${verbose}" ] ; then echo Warning: directory \"${configdir}\" is missing. fi fi done fi done # for each target # Now build a Makefile for this host. if [ -n "${subdirs}" -a ! -n "${removing}" ] ; then cd ${hostsubdir} cat > GNUmakefile << E!O!F # Makefile generated by configure for host ${host_alias}. ALL := $(shell ls -d Target-*) %: $(foreach subdir,$(ALL),$(MAKE) -C $(subdir) \$@ &&) true all: E!O!F cd .. fi done # for each host exit 0 # # Local Variables: # fill-column: 131 # End: # # end of configure