From 49b10446f95d1cc9a92dd742251b7e8658b21f03 Mon Sep 17 00:00:00 2001 From: "K. Richard Pixley" Date: Fri, 4 Oct 1991 22:52:09 +0000 Subject: [PATCH] Use john's heuristic for finding ourselves. kinda like hare krishna. --- configure | 161 ++++++++++++++++++++++++++++++++++++++++++++++---------------- 1 file changed, 121 insertions(+), 40 deletions(-) diff --git a/configure b/configure index 4e92508..068c3c0 100755 --- a/configure +++ b/configure @@ -21,6 +21,9 @@ # $Id$ +# Please email any bugs, comments, and/or additions to this file to: +# configure@cygnus.com + # # Shell script to create proper links to machine-dependent files in # preparation for compilation. @@ -30,7 +33,7 @@ # config.status is removed. # -set -e +# set -e remove=rm hard_link=ln @@ -41,8 +44,6 @@ symbolic_link='ln -s' #hard_link="echo ln" #symbolic_link="echo ln -s" -progname=$0 - # clear some things potentially inherited from environment. Makefile=Makefile @@ -56,6 +57,9 @@ destdir= fatal= hostsubdir= norecursion= +objdir= +objdiroption= +progname= recurring= removing= srcdir= @@ -65,15 +69,6 @@ targets= targetsubdir= verbose= -#if [ "$0" != "./configure" ] ; then -# exec ./configure $* -#fi - -#if [ ! -f ./config.sub ] ; then -# echo '***' Can not find config.sub. -# exit 1 -#fi - for arg in $*; do case ${arg} in @@ -101,6 +96,10 @@ do -norecursion | +no*) norecursion=true ;; + -objdir=* | +objdir=* | +objdi=* | +objd=* | +obj=* | +ob=* | +o=*) + objdiroption=${arg} + objdir=`echo ${arg} | sed 's/[+-]o[a-z]*=//'` + ;; -recurring | +recurring | +recurrin | +recurri | +recurr | +recur | +recu | +rec | +re) recurring=true ;; @@ -124,6 +123,10 @@ do newtargets="${targets} `echo ${arg} | sed 's/[+-]t[a-z]*=//'`" targets="${newtargets}" ;; + -tmpdir=* | +tmpdir=* | +tmpdi=* | +tmpd=* | +tmp=* | +tm=*) + tmpdiroption=${arg} + TMPDIR=`echo ${arg} | sed 's/[+-]t[a-z]*=//'` + ;; -v | -verbose | +v*) verbose=${arg} ;; @@ -145,9 +148,43 @@ do done if [ -n "${verbose}" ] ; then - echo `pwd`/configure $* + echo $0 $* fi +## this is a little touchy and won't always work, but... +## +## if the argv[0] starts with a slash then it is an absolute name that can be +## used as is. +## +## otherwise, if argv[0] has no slash in it, we can assume that it is on the +## path. Since PATH might include "." we also add `pwd` to the end of PATH. +## +## otherwise we prepend `pwd` to $0 and hope that will give us an absolute +## path. +## + +if (echo $0 | grep '^/' > /dev/null) ; then + progname=$0 + configsub=`echo $0 | sed -e 's:[^/]*$:config.sub:'` +else + if (echo $0 | grep '/' > /dev/null) ; then + progname=`pwd`/$0 + + if [ ! -f config.sub ] ; then + echo '***' can not find config.sub. + echo 1 + fi + + configsub=`pwd`/config.sub + else + progname=$0 + configsub="config.sub" + PATH=$PATH:`pwd` ; export PATH + fi +fi + +echo configure = ${progname}, config.sub = ${configsub} + # process host and target only if not removing. if [ -z "${removing}" -a -z "${fatal}" ] ; then # Complain if an arg is missing @@ -164,15 +201,17 @@ if [ -n "${fatal}" -o "${hosts}" = "help" ] ; then echo ; echo "Options: [defaults in brackets]" ; echo " +ansi configure w/ANSI library. [no ansi lib]" ; - echo " +destdir=MYDIR configure for installation into MYDIR. [/usr/local]" ; - echo " +subdirs configure in subdirectories. [in source directories]" ; - echo " +lang=LANG configure to build LANG. [gcc]" ; - echo " +help print this message. [normal config]" ; + echo " +destdir=MYDIR configure for installation into MYDIR. [\"/usr/local\"]" ; echo " +gas configure the compilers for use with gas. [native as]" ; + echo " +help print this message. [normal config]" ; + echo " +lang=LANG configure to build LANG. [gcc]" ; echo " +nfp configure the compilers default to soft floating point. [hard float]" ; echo " +norecursion configure this directory only. [recurse]" ; + echo " +objdir=ODIR configure in a parallel tree rooted in ODIR. [rooted in \".\"]" ; echo " +rm remove this configuration. [build a configuration]" ; + echo " +subdirs configure in subdirectories. [in source directories]" ; echo " +target=TARGET configure for TARGET. [TARGET = HOST]" ; + echo " +tmpdir=TMPDIR create temporary files in TMPDIR. [ TMPDIR = \"/tmp\" ]" ; echo ; echo "Where HOST and TARGET are something like \"vax\", \"sun3\", \"encore\", etc." ; echo "Asking for more than one \"+target\" implies \"+subdirs\". Any other" ; @@ -197,16 +236,20 @@ if [ -r configure.in ] ; then exit 1 fi + if [ -z "${TMPDIR}" ] ; then + TMPDIR=/tmp ; export TMPDIR + 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 + sed -e '/^# per\-host:/,$d' configure.in > ${TMPDIR}/configure.$$.com + sed -e '1,/^# per\-host:/d' -e '/^# per\-target:/,$d' configure.in > ${TMPDIR}/configure.$$.hst if grep -s '^# post-target:' configure.in ; then - sed -e '1,/^# per\-target:/d' -e '/^# post\-target:/,$d' configure.in > configure.tgt - sed -e '1,/^# post\-target:/d' configure.in > configure.pos + sed -e '1,/^# per\-target:/d' -e '/^# post\-target:/,$d' configure.in > ${TMPDIR}/configure.$$.tgt + sed -e '1,/^# post\-target:/d' configure.in > ${TMPDIR}/configure.$$.pos else - sed -e '1,/^# per\-target:/d' configure.in > configure.tgt - echo >configure.pos + sed -e '1,/^# per\-target:/d' configure.in > ${TMPDIR}/configure.$$.tgt + echo >${TMPDIR}/configure.$$.pos fi else @@ -216,7 +259,7 @@ fi ### do common part of configure.in -. ./configure.com +. ${TMPDIR}/configure.$$.com # some sanity checks on configure.in if [ -z "${srctrigger}" ] ; then @@ -233,32 +276,37 @@ for host in ${hosts} ; do host_alias=${host} - result=`/bin/sh ./config.sub ${host}` + result=`${configsub} ${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.hst + . ${TMPDIR}/configure.$$.hst for target in ${targets} ; do target_alias=${target} - result=`/bin/sh ./config.sub ${target}` + result=`${configsub} ${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.tgt + . ${TMPDIR}/configure.$$.tgt # Temporarily, we support only direct subdir builds. hostsubdir=H-${host_alias} targetsubdir=T-${target_alias} if [ -n "${removing}" ] ; then + if [ -n "${objdir}" ] ; then + echo '***' +rm not supported for +objdir. Just \"rm -rf ${objdir}\" by hand. + exit 1 + fi + if [ -n "${subdirs}" ] ; then if [ -d "${hostsubdir}" ] ; then rm -rf ${hostsubdir}/${targetsubdir} @@ -273,6 +321,11 @@ for host in ${hosts} ; do rm -f ${Makefile} config.status ${links} fi else + if [ -n "${objdir}" ]; then + srcdir=`pwd` + cd ${objdir} + fi + if [ -n "${subdirs}" ] ; then # check for existing status before allowing forced subdirs. if [ -f ${Makefile} ] ; then @@ -297,7 +350,9 @@ for host in ${hosts} ; do cd ${targetsubdir} - srcdir=../.. + if [ -z "${srcdir}" ] ; then + srcdir=../.. + fi else # if not subdir builds, then make sure none exist. if [ -n "`(ls .) 2>&1 | (grep H- ; true)`" ] ; then @@ -399,9 +454,11 @@ for host in ${hosts} ; do echo "target_os = ${target_os}" >> ${Makefile} if [ -n "${subdirs}" ] ; then - echo "subdir = /${hostsubdir}/${targetsubdir}" >> ${Makefile} + (echo "subdir = /${hostsubdir}/${targetsubdir}" ; + echo "unsubdir = ../..") >> ${Makefile} else - echo "subdir =" >> ${Makefile} + (echo "subdir =" ; + echo "unsubdir = .") >> ${Makefile} fi # echo "workdir = `pwd`" >> ${Makefile} @@ -486,8 +543,8 @@ for host in ${hosts} ; do echo "Created \"${Makefile}\"" in `pwd`${andandusing}. fi - if [ -f ./configure.pos ] ; then - . ./configure.pos + if [ -f ${TMPDIR}/configure.$$.pos ] ; then + . ${TMPDIR}/configure.$$.pos fi # describe the chosen configuration in config.status. @@ -496,8 +553,8 @@ for host in ${hosts} ; do # Makefiles. echo "#!/bin/sh -# ${srcname} was configured as follows: -${srcdir}/configure" ${arguments} `if [ -z "${norecursion}" ] ; then echo +norecursion ; else true ; fi` > config.status +# `pwd` was configured as follows: +(cd ${srcdir} ; ${progname}" ${arguments} `if [ -z "${norecursion}" ] ; then echo +norecursion ; else true ; fi` ")" > config.status chmod a+x config.status originaldir=`pwd` @@ -512,9 +569,17 @@ ${srcdir}/configure" ${arguments} `if [ -z "${norecursion}" ] ; then echo +norec fi if [ -d ${configdir} ] ; then + if [ -n "${objdir}" ] ; then + if [ ! -d ${objdir}/${configdir} ] ; then + mkdir ${objdir}/${configdir} + fi + fi + (cd ${configdir} ; - configure +recurring ${host_alias} +target=${target_alias} \ - ${verbose} ${subdirs} ${removing} +destdir=${destdir}) \ + ${progname} +recurring ${host_alias} +target=${target_alias} \ + ${verbose} ${subdirs} ${removing} +destdir=${destdir} \ + `if [ -n "${objdir}" ] ; then echo +objdir=${objdir}/${configdir} ; fi` \ + ${tmpdiroption}) \ | sed 's/^/ /' else if [ -n "${verbose}" ] ; then @@ -527,6 +592,12 @@ ${srcdir}/configure" ${arguments} `if [ -z "${norecursion}" ] ; then echo +norec # Now build a Makefile for this host. if [ -n "${subdirs}" -a ! -n "${removing}" ] ; then + push=`pwd` + + if [ -n "${objdir}" ] ; then + cd ${objdir} + fi + cd ${hostsubdir} cat > GNUmakefile << E!O!F # Makefile generated by configure for host ${host_alias}. @@ -538,20 +609,30 @@ ALL := $(shell ls -d T-*) all: E!O!F - cd .. + cd ${push} fi done # for each host ### clean up. -rm -f configure.com configure.tgt configure.hst configure.pos +rm -f ${TMPDIR}/configure.$$.com ${TMPDIR}/configure.$$.tgt ${TMPDIR}/configure.$$.hst ${TMPDIR}/configure.$$.pos exit 0 # # # $Log$ -# Revision 1.46 1991/10/02 06:29:53 rich +# Revision 1.49 1991/10/04 22:52:09 rich +# Use john's heuristic for finding ourselves. kinda like hare krishna. +# +# Revision 1.48 1991/10/02 13:17:28 rich +# take out the set -e for now +# +# Revision 1.47 1991/10/02 10:02:23 rich +# * temporary files in TMPDIR +# * +objdir +# +# Revision 1.46 1991/10/02 06:29:53 rich # Added +site=foo option for naming site specific Makefile fragments. # # Revision 1.45 1991/10/02 06:15:13 rich -- 2.7.4