fatal=
floating_point=default
gas=default
+host_makefile_frag=
hosts=
-next_prefix=
next_host=
+next_prefix=
next_site=
next_srcdir=
next_target=
progname=
recurring=
removing=
+site_makefile_frag=
srcdir=
srctrigger=
target=
+target_makefile_frag=
targets=
undefinedargs=
verbose=
elif [ -n "${next_srcdir}" ] ; then srcdir=${arg} ; next_srcdir=
elif [ -n "${next_target}" ] ; then
next_target=
- if [ -z "${targets}" ] ; then
+ case "${targets}" in
+ "")
newtargets="${targets} ${arg}"
targets="${newtargets}"
- else
+ ;;
+ *)
echo '***' Can only configure for one target at a time.
fatal=yes
- fi
+ ;;
+ esac
elif [ -n "${next_tmpdir}" ] ; then
next_tmpdir=
tmpdiroption="--tmpdir=${arg}"
fatal=true
;;
-host=* | --host=* | --hos=* | --ho=*)
- if [ -z "${hosts}" ] ; then
+ case "${hosts}" in
+ "")
newhosts="${hosts} `echo ${arg} | sed 's/^[-a-z]*=//'`"
hosts="${newhosts}"
- else
+ ;;
+ *)
echo '***' Can only configure for one host at a time.
fatal=yes
- fi
+ ;;
+ esac
;;
-nfp | --nf*)
floating_point=no
next_srcdir=yes
;;
-target=* | --target=* | --targe=* | --targ=* | --tar=* | --ta=*)
- if [ -z "${targets}" ] ; then
+ case "${targets}" in
+ "")
newtargets="${targets} `echo ${arg} | sed 's/^[-a-z]*=//'`"
targets="${newtargets}"
- else
+ ;;
+ *)
echo '***' Can only configure for one target at a time.
fatal=yes
- fi
+ ;;
+ esac
;;
-target | --target | --targe | --targ | --tar | --ta)
next_target=yes
fatal=true
;;
*)
- if [ -z "${undefs}" ] ; then
+ case "${undefs}" in
+ "")
newundefs="${undefs} ${arg}"
undefs=${newundefs}
- else
+ ;;
+ *)
echo '***' Can only configure for one host and one target at a time.
fatal=yes
- fi
+ ;;
+ esac
;;
esac
fi
done
# process host and target
-if [ -z "${fatal}" ] ; then
+case "${fatal}" in
+"")
# # Complain if an arg is missing
# if [ -z "${hosts}" ] ; then
# (echo ;
echo '***' You must tell me for which host you want to configure.
fatal=yes
else
- if [ -z "${hosts}" ] ; then
- hosts=${undefs}
- fi
+ case "${hosts}" in
+ "") hosts=${undefs} ;;
+ *) ;;
+ esac
- if [ -z "${targets}" ] ; then
- if [ -n "${undefs}" ] ; then
- targets=${undefs}
- else
- targets=${hosts}
- fi
- fi
+ case "${targets}" in
+ "")
+ case "${undefs}" in
+ "") targets=${hosts} ;;
+ *) targets=${undefs} ;;
+ esac
+ ;;
+ *) ;;
+ esac
fi
-fi
+ ;;
+*) ;;
+esac
if [ -n "${fatal}" -o "${hosts}" = "help" ] ; then
(echo "Usage: configure HOST" ;
exit 1
fi
-if [ -z "${srcdir}" ] ; then
+case "${srcdir}" in
+"")
if [ -r configure.in ] ; then
srcdir=.
else
echo '***' "Can't find configure.in. Try using -srcdir=some_dir"
exit 1
fi
-fi
+ ;;
+*) ;;
+esac
+# default datadir
+case "${datadir}" in
+"") datadir="$(prefix)/lib" ;;
+*) ;;
+esac
+
### break up ${srcdir}/configure.in.
-if [ -z "`grep '^# per\-host:' ${srcdir}/configure.in`" ] ; then
+case "`grep '^# per\-host:' ${srcdir}/configure.in`" in
+"")
echo '***' ${srcdir}/configure.in has no "per-host:" line. 1>&2
exit 1
-fi
+ ;;
+*) ;;
+esac
-if [ -z "`grep '^# per\-target:' ${srcdir}/configure.in`" ] ; then
+case "`grep '^# per\-target:' ${srcdir}/configure.in`" in
+"")
echo '***' ${srcdir}/configure.in has no "per-target:" line. 1>&2
exit 1
-fi
+ ;;
+*) ;;
+esac
-if [ -z "${TMPDIR}" ] ; then
- TMPDIR=/tmp ; export TMPDIR
-fi
+case "${TMPDIR}" in
+"") TMPDIR=/tmp ; export TMPDIR ;;
+*) ;;
+esac
# keep this filename short for &%*%$*# 14 char file names
tmpfile=${TMPDIR}/cONf$$
. ${tmpfile}.com
# some sanity checks on configure.in
-if [ -z "${srctrigger}" ] ; then
+case "${srctrigger}" in
+"")
echo '***' srctrigger not set in ${PWD}/configure.in.
exit 1
-fi
+ ;;
+*) ;;
+esac
for host in ${hosts} ; do
# Default other arg
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/mh-${host}
- if [ ! -f ${host_makefile_frag} ]
- then
- host_makefile_frag=config/mh-${host_alias}
- fi
. ${tmpfile}.hst
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/mt-${target}
- if [ ! -f ${target_makefile_frag} ]
- then
- target_makefile_frag=config/mt-${target_alias}
- fi
. ${tmpfile}.tgt
- if [ "${host_alias}" = "${target_alias}" ] ; then
- subdirname=H-${host_alias}
- else
- subdirname=X-${host_alias}-${target_alias}
- fi
+ case "${host_alias}" in
+ "${target_alias}") subdirname=H-${host_alias} ;;
+ *) subdirname=X-${host_alias}-${target_alias} ;;
+ esac
- if [ -n "${namesubdir}" ] ; then
- subdirname=${namesubdir}
- fi
+ case "${namesubdir}" in
+ "") ;;
+ *) subdirname=${namesubdir} ;;
+ esac
- if [ -n "${removing}" ] ; then
- rm -f ${Makefile} config.status ${links}
- else
+ case "${removing}" in
+ "")
# Find the source files, if location was not specified.
- if [ -z "${srcdir}" ] ; then
+ case "${srcdir}" in
+ "")
srcdirdefaulted=1
srcdir=.
if [ ! -r ${srctrigger} ] ; then
srcdir=..
fi
- fi
+ ;;
+ *) ;;
+ esac
if [ ! -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 ${PWD}/.." 1>&2
- fi
+ case "${srcdirdefaulted}" in
+ "") echo '***' "${progname}: Can't find ${srcname} sources in ${PWD}/${srcdir}" 1>&2 ;;
+ *) echo '***' "${progname}: Can't find ${srcname} sources in ${PWD}/. or ${PWD}/.." 1>&2 ;;
+ esac
echo '***' \(At least ${srctrigger} is missing.\) 1>&2
exit 1
exit 1
fi
- if [ -n "${verbose}" ] ; then
- echo "Linked \"${link}\" to \"${srcdir}/${file}\"."
- fi
+ case "${verbose}" in
+ "") ;;
+ *) echo "Linked \"${link}\" to \"${srcdir}/${file}\"." ;;
+ esac
done
# Create a .gdbinit file which runs the one in srcdir
case ${srcdir} in
.)
;;
- *)
- echo "# "${NO_EDIT} > .gdbinit
- echo "dir ." >> .gdbinit
- echo "dir ${srcdir}" >> .gdbinit
- echo "source ${srcdir}/.gdbinit" >> .gdbinit
+ *) cat > .gdbinit <<EOF
+# ${NO_EDIT} > .gdbinit
+dir .
+dir ${srcdir}
+source ${srcdir}/.gdbinit
+EOF
;;
esac
fi
# Install a makefile, and make it set VPATH
# if necessary so that the sources are found.
# Also change its value of srcdir.
+ # NOTE: Makefile generation constitutes the majority of the time in configure. Hence, this section has
+ # been somewhat optimized and is perhaps a bit twisty.
- # FIXME-someday: This business of always writing to .tem and mv back
- # is so that I don't screw things up while developing. Once this
- # template is stable, these should be optimized. xoxorich.
-
- # Define macro CROSS_COMPILE in compilation if this is a cross-compiler.
- if [ "${host}" != "${target}" ] ; then
- echo "CROSS=-DCROSS_COMPILE" > ${Makefile}
- echo "ALL=all.cross" >> ${Makefile}
- else
- echo "ALL=all.internal" > ${Makefile}
- fi
+ # code is order so as to try to sed the smallest input files we know.
- # 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}
+ # the three makefile fragments MUST end up in the resulting Makefile in this order: target, host, and site.
+ # so do these separately because I don't trust the order of sed -e expressions.
- echo "target_alias = ${target_alias}" >> ${Makefile}
- echo "target_cpu = ${target_cpu}" >> ${Makefile}
- echo "target_vendor = ${target_vendor}" >> ${Makefile}
- echo "target_os = ${target_os}" >> ${Makefile}
+ # Conditionalize for this site from "Makefile.in" (or whatever it's called) into Makefile.tem
+ case "${site}" in
+ "") cp ${srcdir}/${Makefile_in} Makefile.tem ;;
+ *)
+ site_makefile_frag=${srcdir}/config/ms-${site}
- echo "subdir =" >> ${Makefile}
- echo "unsubdir = ." >> ${Makefile}
-
- echo "VPATH = ${srcdir}" >> ${Makefile}
-
- # add "Makefile.in" (or whatever it's called)
- cat ${srcdir}/${Makefile_in} >> ${Makefile}
-
- # Conditionalize the makefile for this site.
- if [ -n "${site}" ] ; then
- site_makefile_frag=config/ms-${site}
-
- if [ -f ${srcdir}/${site_makefile_frag} ] ; then
- echo "site_makefile_frag = ${srcdir}/${site_makefile_frag}" > Makefile.tem
- sed -e "/^####/ r ${srcdir}/${site_makefile_frag}" ${Makefile} >> Makefile.tem
+ if [ -f ${site_makefile_frag} ] ; then
+ sed -e "/^####/ r ${site_makefile_frag}" ${srcdir}/${Makefile_in} \
+ >> Makefile.tem
else
- echo "site_makefile_frag =" > Makefile.tem
- cat ${Makefile} >> Makefile.tem
+ cp ${srcdir}/${Makefile_in} Makefile.tem
+ site_makefile_frag=
fi
- mv Makefile.tem ${Makefile}
- fi
+ ;;
+ esac
+ # working copy now in Makefile.tem
# Conditionalize the makefile for this host.
- if [ -f ${srcdir}/${host_makefile_frag} ] ; then
- echo "host_makefile_frag = ${srcdir}/${host_makefile_frag}" > Makefile.tem
- sed -e "/^####/ r ${srcdir}/${host_makefile_frag}" ${Makefile} >> Makefile.tem
- else
- echo "host_makefile_frag =" > Makefile.tem
- cat ${Makefile} >> Makefile.tem
- fi
- mv Makefile.tem ${Makefile}
+ case "${host_makefile_frag}" in
+ "") mv Makefile.tem ${Makefile} ;;
+ *)
+ host_makefile_frag=${srcdir}/${host_makefile_frag}
+ if [ -f ${host_makefile_frag} ] ; then
+ sed -e "/^####/ r ${host_makefile_frag}" Makefile.tem > ${Makefile}
+ else
+ echo '***' Expected host makefile fragment \"${host_makefile_frag}\" 1>&2
+ echo '***' is missing in ${PWD}. 1>&2
+ mv Makefile.tem ${Makefile}
+ fi
+ esac
+ # working copy now in ${Makefile}
# Conditionalize the makefile for this target.
- if [ -f ${srcdir}/${target_makefile_frag} ] ; then
- echo "target_makefile_frag = ${srcdir}/${target_makefile_frag}" > Makefile.tem
- sed -e "/^####/ r ${srcdir}/${target_makefile_frag}" ${Makefile} >> Makefile.tem
- else
- echo "target_makefile_frag =" > Makefile.tem
- cat ${Makefile} >> Makefile.tem
- fi
- mv Makefile.tem ${Makefile}
-
- # set srcdir
- sed "s:^srcdir[ ]*=.*$:srcdir = ${srcdir}:" ${Makefile} > Makefile.tem
- mv Makefile.tem ${Makefile}
-
- # set prefix
- if [ -n "${prefix}" ] ; then
- sed "s:^prefix[ ]*=.*$:prefix = ${prefix}:" ${Makefile} > Makefile.tem
- mv Makefile.tem ${Makefile}
- fi
+ case "${target_makefile_frag}" in
+ "") mv ${Makefile} Makefile.tem ;;
+ *)
+ target_makefile_frag=${srcdir}/${target_makefile_frag}
+ if [ -f ${target_makefile_frag} ] ; then
+ sed -e "/^####/ r ${target_makefile_frag}" ${Makefile} >> Makefile.tem
+ else
+ mv ${Makefile} Makefile.tem
+ target_makefile_frag=
+ fi
+ ;;
+ esac
+ # real copy now in Makefile.tem
- # set datadir
- if [ -n "${datadir}" ] ; then
- sed "s:^datadir[ ]*=.*$:datadir = ${datadir}:" ${Makefile} > Makefile.tem
- mv Makefile.tem ${Makefile}
- fi
+ # prepend warning about editting, and a bunch of variables.
+ # fixme-someday: remove the subdir/unsubdir lines.
+ cat > ${Makefile} <<EOF
+# ${NO_EDIT}
+host_alias = ${host_alias}
+host_cpu = ${host_cpu}
+host_vendor = ${host_vendor}
+host_os = ${host_os}
+target_alias = ${target_alias}
+target_cpu = ${target_cpu}
+target_vendor = ${target_vendor}
+target_os = ${target_os}
+target_makefile_frag = ${target_makefile_frag}
+host_makefile_frag = ${host_makefile_frag}
+site_makefile_frag = ${site_makefile_frag}
+VPATH = ${srcdir}
+subdir =
+unsubdir = .
+EOF
+
+ # fixme: this shouldn't be in configure.
+ # Define macro CROSS_COMPILE in compilation if this is a cross-compiler.
+ case "${host}" in
+ "${target}") echo "ALL=all.internal" >> ${Makefile} ;;
+ *)
+ echo "CROSS=-DCROSS_COMPILE" >> ${Makefile}
+ echo "ALL=all.cross" >> ${Makefile}
+ ;;
+ esac
- # reset SUBDIRS
- sed "s:^SUBDIRS[ ]*=.*$:SUBDIRS = ${configdirs}:" ${Makefile} > Makefile.tem
- mv Makefile.tem ${Makefile}
+ # reset prefix, datadir, srcdir, SUBDIRS, NONSUBDIRS, remove any form
+ # feeds.
+ sed -e "s:^prefix[ ]*=.*$:prefix = ${prefix}:" \
+ -e "s:^datadir[ ]*=.*$:datadir = ${datadir}:" \
+ -e "s:^srcdir[ ]*=.*$:srcdir = ${srcdir}:" \
+ -e "s:^SUBDIRS[ ]*=.*$:SUBDIRS = ${configdirs}:" \
+ -e "s:^NONSUBDIRS[ ]*=.*$:NONSUBDIRS = ${noconfigdirs}:" \
+ -e "s/\f//" Makefile.tem >> ${Makefile}
+ # final copy now in ${Makefile}
- # reset NONSUBDIRS
- sed "s:^NONSUBDIRS[ ]*=.*$:NONSUBDIRS = ${noconfigdirs}:" ${Makefile} > Makefile.tem
- mv Makefile.tem ${Makefile}
+ rm Makefile.tem
- # remove any form feeds.
- sed -e "s/\f//" ${Makefile} > Makefile.tem
- mv Makefile.tem ${Makefile}
+ if [ -n "${verbose}" -o -z "${recurring}" ] ; then
+ case "${host_makefile_frag}" in
+ "") using= ;;
+ *) using="and \"${host_makefile_frag}\"" ;;
+ esac
- # prepend warning about editting.
- echo "# "${NO_EDIT} > ${Makefile}.tem
- cat ${Makefile} >> ${Makefile}.tem
- mv Makefile.tem ${Makefile}
+ case "${target_makefile_frag}" in
+ "") ;;
+ *) using="${using} and \"${target_makefile_frag}\"" ;;
+ esac
- using=
- if [ -f ${srcdir}/${host_makefile_frag} ] ; then
- using="${using} and \"${host_makefile_frag}\""
- fi
- if [ -f ${srcdir}/${target_makefile_frag} ] ; then
- using="${using} and \"${target_makefile_frag}\""
- fi
- if [ -n "${site}" -a \
- -f ${srcdir}/${site_makefile_frag} ] ; then
- using="${using} and \"${site_makefile_frag}\""
- fi
- using=`echo "${using}" | sed 's/and/using/'`
- using="Created \"${Makefile}\" in ${PWD}${using}."
+ case "${site_makefile_frag}" in
+ "") ;;
+ *) using="${using} and \"${site_makefile_frag}\"" ;;
+ esac
- if [ -n "${verbose}" -o -z "${recurring}" ] ; then
- echo ${using}
+ echo "Created \"${Makefile}\" in" ${PWD} `echo "${using}" | sed 's/and/using/'`
fi
. ${tmpfile}.pos
# the same configuration. Used in Makefiles to rebuild
# Makefiles.
- if [ -z "${norecursion}" ] ; then
- arguments="${arguments} -norecursion"
- fi
+ case "${norecursion}" in
+ "") arguments="${arguments} -norecursion" ;;
+ *) ;;
+ esac
echo "#!/bin/sh
# ${NO_EDIT}
${progname}" ${arguments} "
# ${using}" > config.status
chmod a+x config.status
-
- fi
+ ;;
+ *) rm -f ${Makefile} config.status ${links} ;;
+ esac
# If there are subdirectories, then recur.
if [ -z "${norecursion}" -a -n "${configdirs}" ] ; then
for configdir in ${configdirs} ; do
- if [ -n "${verbose}" ] ; then
- echo Configuring ${configdir}...
- fi
+ case "${verbose}" in
+ "") ;;
+ *) echo Configuring ${configdir}... ;;
+ esac
if [ -d ${srcdir}/${configdir} ] ; then
- if [ "${srcdir}" != "." ] ; then
+ case "${srcdir}" in
+ ".") ;;
+ *)
if [ ! -d ./${configdir} ] ; then
mkdir ./${configdir}
fi
- fi
+ ;;
+ esac
POPDIR=${PWD}
cd ${configdir}
-### figure out what to do with srcdir
+### figure out what to do with srcdir & guest configure
case "${srcdir}" in
- ".") ;; # do nothing. We're building in place.
- /*) srcdiroption="-srcdir=${srcdir}/${configdir}" ;; # absolute path
- *) srcdiroption="-srcdir=../${srcdir}/${configdir}" ;; # otherwise relative
+ ".") newsrcdir=${srcdir} ;; # no -srcdir option. We're building in place.
+ /*) # absolute path
+ newsrcdir=${srcdir}/${configdir}
+ srcdiroption="-srcdir=${newsrcdir}"
+ ;;
+ *) # otherwise relative
+ newsrcdir=../${srcdir}/${configdir}
+ srcdiroption="-srcdir=${newsrcdir}"
+ ;;
esac
### The recursion line is here.
- if [ -f configure ] ; then
- recprog=`pwd`/configure
+ if [ -f ${newsrcdir}/configure ] ; then
+ recprog=${newsrcdir}/configure
else
recprog=${progname}
fi
fi
cd ${POPDIR}
- elif [ -n "${verbose}" ] ; then
- echo Warning: source directory \"${srcdir}/${configdir}\" is missing.
+ else
+ case "${verbose}" in
+ "") ;;
+ *) echo Warning: source directory \"${srcdir}/${configdir}\" is missing. ;;
+ esac
fi
done
fi